first commit

.env.example

@@ -0,0 +1,15 @@
+SERVER_PORT=:9000
+
+DB_ROOT_PASSWORD=passer1234
+DB_NAME=test
+DB_USER=test
+DB_PORT=3306
+DB_PASSWORD=passer1234
+DB_HOST=127.0.0.1
+#DB_HOST=mysql
+
+ACCESS_TOKEN_HOUR_LIFESPAN=1
+REFRESH_TOKEN_HOUR_LIFESPAN=2
+ACCESS_TOKEN_SECRET=secret_1246@@@@!!/shghj_---QaZerftQWWWfz
+REFRESH_TOKEN_SECRET=refreshh_1246@@@@fgfgfhsbsqZGJBnsbjsbSH!!/shghj_---QaZerftQWWWfz
+TOKEN_PREFIX=Bearer

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/online-order.iml" filepath="$PROJECT_DIR$/.idea/online-order.iml" />
+    </modules>
+  </component>
+</project>

.idea/online-order.iml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

api/middlewares/middlewares.go

@@ -0,0 +1,36 @@
+package middlewares
+
+import (
+	"net/http"
+	jwttoken "online-order/utils/jwt_token"
+
+	"github.com/gin-gonic/gin"
+	"online-order/domain"
+)
+
+type controller struct {
+	service domain.AuthService
+}
+
+func NewMiddlewareControllers(svc domain.AuthService) *controller {
+	return &controller{
+		service: svc,
+	}
+}
+
+func (cont *controller) JwAuthtMiddleware() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		user_id, err := jwttoken.IsTokenValid(c)
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"message": "Unauthorized. Please Login first", "code": 401, "details": err.Error()})
+			return
+		}
+
+		user, _, err := cont.service.GetByID(user_id)
+		if err != nil || user == nil {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"message": "Unauthorized. User not found", "code": 401, "details": err.Error()})
+			return
+		}
+		c.Next()
+	}
+}

api/middlewares/router.go

@@ -0,0 +1,12 @@
+package middlewares
+
+import (
+	"online-order/entity"
+)
+
+func NewMiddlewareRouters(server *entity.Routers) *controller {
+	userRepo := repository_product.NewUserClient(server.Database)
+	authService := service_authentication.NewAuthService(userRepo)
+
+	return NewMiddlewareControllers(authService)
+}

configs/config.go

@@ -0,0 +1,36 @@
+package configs
+
+import (
+	"log"
+
+	"github.com/spf13/viper"
+	"online-order/entity"
+)
+
+var viper_set *viper.Viper
+
+func Initialize() {
+
+}
+
+// Function called anytime we need to use setting on .env file
+func LoadConfigEnv() entity.Config {
+	var config entity.Config
+
+	viper.SetConfigName(".env") //Name fof the file
+	viper.SetConfigType("env")  // tye of file
+	viper.AddConfigPath(".")    // File location
+	viper.AutomaticEnv()
+
+	err := viper.ReadInConfig()
+	if err != nil {
+		log.Fatalf("Error while reading from .env: %v", err)
+	}
+
+	err = viper.Unmarshal(&config)
+	if err != nil {
+		log.Fatalf("Error while unmarshalling .env file: %v", err)
+	}
+
+	return config
+}

configs/database.go

@@ -0,0 +1,40 @@
+package configs
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"time"
+
+	entsql "entgo.io/ent/dialect/sql"
+	logger "github.com/rs/zerolog/log"
+
+	"online-order/ent"
+)
+
+func NewDBConnection() *ent.Client {
+	conf := LoadConfigEnv() //Load .env settings
+
+	// Start by connecting to database
+	dbSource := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?parseTime=true", conf.DbUser, conf.DbPassword, conf.DbHost, conf.DbPort, conf.DbName)
+	db, err := open(dbSource)
+	if err != nil {
+		log.Panic("Database error: ... ", err.Error())
+	}
+	logger.Info().Msg("Database creation ...")
+	return db
+}
+
+// To create new database connection
+func open(source string) (*ent.Client, error) {
+	db, err := sql.Open("mysql", source)
+	if err != nil {
+		return nil, err
+	}
+	db.SetMaxIdleConns(10)
+	db.SetMaxOpenConns(100)
+	db.SetConnMaxLifetime(time.Hour)
+	// Create an ent.Driver from `db`.
+	drv := entsql.OpenDB("mysql", db)
+	return ent.NewClient(ent.Driver(drv)), nil
+}

ent/business.go

@@ -0,0 +1,218 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"fmt"
+	"online-order/ent/business"
+	"strings"
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+)
+
+// Business is the model entity for the Business schema.
+type Business struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Name holds the value of the "name" field.
+	Name string `json:"name,omitempty"`
+	// Slug holds the value of the "slug" field.
+	Slug string `json:"slug,omitempty"`
+	// BotID holds the value of the "bot_id" field.
+	BotID *string `json:"bot_id,omitempty"`
+	// Description holds the value of the "description" field.
+	Description *string `json:"description,omitempty"`
+	// Company holds the value of the "company" field.
+	Company string `json:"company,omitempty"`
+	// AboutUs holds the value of the "about_us" field.
+	AboutUs *string `json:"about_us,omitempty"`
+	// CreatedAt holds the value of the "created_at" field.
+	CreatedAt time.Time `json:"created_at,omitempty"`
+	// UpdatedAt holds the value of the "updated_at" field.
+	UpdatedAt time.Time `json:"updated_at,omitempty"`
+	// Edges holds the relations/edges for other nodes in the graph.
+	// The values are being populated by the BusinessQuery when eager-loading is set.
+	Edges        BusinessEdges `json:"edges"`
+	selectValues sql.SelectValues
+}
+
+// BusinessEdges holds the relations/edges for other nodes in the graph.
+type BusinessEdges struct {
+	// BusinessCategory holds the value of the businessCategory edge.
+	BusinessCategory []*BusinessCategory `json:"businessCategory,omitempty"`
+	// loadedTypes holds the information for reporting if a
+	// type was loaded (or requested) in eager-loading or not.
+	loadedTypes [1]bool
+}
+
+// BusinessCategoryOrErr returns the BusinessCategory value or an error if the edge
+// was not loaded in eager-loading.
+func (e BusinessEdges) BusinessCategoryOrErr() ([]*BusinessCategory, error) {
+	if e.loadedTypes[0] {
+		return e.BusinessCategory, nil
+	}
+	return nil, &NotLoadedError{edge: "businessCategory"}
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*Business) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case business.FieldID:
+			values[i] = new(sql.NullInt64)
+		case business.FieldName, business.FieldSlug, business.FieldBotID, business.FieldDescription, business.FieldCompany, business.FieldAboutUs:
+			values[i] = new(sql.NullString)
+		case business.FieldCreatedAt, business.FieldUpdatedAt:
+			values[i] = new(sql.NullTime)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the Business fields.
+func (b *Business) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case business.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			b.ID = int(value.Int64)
+		case business.FieldName:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field name", values[i])
+			} else if value.Valid {
+				b.Name = value.String
+			}
+		case business.FieldSlug:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field slug", values[i])
+			} else if value.Valid {
+				b.Slug = value.String
+			}
+		case business.FieldBotID:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field bot_id", values[i])
+			} else if value.Valid {
+				b.BotID = new(string)
+				*b.BotID = value.String
+			}
+		case business.FieldDescription:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field description", values[i])
+			} else if value.Valid {
+				b.Description = new(string)
+				*b.Description = value.String
+			}
+		case business.FieldCompany:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field company", values[i])
+			} else if value.Valid {
+				b.Company = value.String
+			}
+		case business.FieldAboutUs:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field about_us", values[i])
+			} else if value.Valid {
+				b.AboutUs = new(string)
+				*b.AboutUs = value.String
+			}
+		case business.FieldCreatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field created_at", values[i])
+			} else if value.Valid {
+				b.CreatedAt = value.Time
+			}
+		case business.FieldUpdatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field updated_at", values[i])
+			} else if value.Valid {
+				b.UpdatedAt = value.Time
+			}
+		default:
+			b.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the Business.
+// This includes values selected through modifiers, order, etc.
+func (b *Business) Value(name string) (ent.Value, error) {
+	return b.selectValues.Get(name)
+}
+
+// QueryBusinessCategory queries the "businessCategory" edge of the Business entity.
+func (b *Business) QueryBusinessCategory() *BusinessCategoryQuery {
+	return NewBusinessClient(b.config).QueryBusinessCategory(b)
+}
+
+// Update returns a builder for updating this Business.
+// Note that you need to call Business.Unwrap() before calling this method if this Business
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (b *Business) Update() *BusinessUpdateOne {
+	return NewBusinessClient(b.config).UpdateOne(b)
+}
+
+// Unwrap unwraps the Business entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (b *Business) Unwrap() *Business {
+	_tx, ok := b.config.driver.(*txDriver)
+	if !ok {
+		panic("ent: Business is not a transactional entity")
+	}
+	b.config.driver = _tx.drv
+	return b
+}
+
+// String implements the fmt.Stringer.
+func (b *Business) String() string {
+	var builder strings.Builder
+	builder.WriteString("Business(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", b.ID))
+	builder.WriteString("name=")
+	builder.WriteString(b.Name)
+	builder.WriteString(", ")
+	builder.WriteString("slug=")
+	builder.WriteString(b.Slug)
+	builder.WriteString(", ")
+	if v := b.BotID; v != nil {
+		builder.WriteString("bot_id=")
+		builder.WriteString(*v)
+	}
+	builder.WriteString(", ")
+	if v := b.Description; v != nil {
+		builder.WriteString("description=")
+		builder.WriteString(*v)
+	}
+	builder.WriteString(", ")
+	builder.WriteString("company=")
+	builder.WriteString(b.Company)
+	builder.WriteString(", ")
+	if v := b.AboutUs; v != nil {
+		builder.WriteString("about_us=")
+		builder.WriteString(*v)
+	}
+	builder.WriteString(", ")
+	builder.WriteString("created_at=")
+	builder.WriteString(b.CreatedAt.Format(time.ANSIC))
+	builder.WriteString(", ")
+	builder.WriteString("updated_at=")
+	builder.WriteString(b.UpdatedAt.Format(time.ANSIC))
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// Businesses is a parsable slice of Business.
+type Businesses []*Business

ent/business/business.go

@@ -0,0 +1,153 @@
+// Code generated by ent, DO NOT EDIT.
+
+package business
+
+import (
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the business type in the database.
+	Label = "business"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldName holds the string denoting the name field in the database.
+	FieldName = "name"
+	// FieldSlug holds the string denoting the slug field in the database.
+	FieldSlug = "slug"
+	// FieldBotID holds the string denoting the bot_id field in the database.
+	FieldBotID = "bot_id"
+	// FieldDescription holds the string denoting the description field in the database.
+	FieldDescription = "description"
+	// FieldCompany holds the string denoting the company field in the database.
+	FieldCompany = "company"
+	// FieldAboutUs holds the string denoting the about_us field in the database.
+	FieldAboutUs = "about_us"
+	// FieldCreatedAt holds the string denoting the created_at field in the database.
+	FieldCreatedAt = "created_at"
+	// FieldUpdatedAt holds the string denoting the updated_at field in the database.
+	FieldUpdatedAt = "updated_at"
+	// EdgeBusinessCategory holds the string denoting the businesscategory edge name in mutations.
+	EdgeBusinessCategory = "businessCategory"
+	// Table holds the table name of the business in the database.
+	Table = "businesses"
+	// BusinessCategoryTable is the table that holds the businessCategory relation/edge. The primary key declared below.
+	BusinessCategoryTable = "business_category_businesses"
+	// BusinessCategoryInverseTable is the table name for the BusinessCategory entity.
+	// It exists in this package in order to avoid circular dependency with the "businesscategory" package.
+	BusinessCategoryInverseTable = "business_categories"
+)
+
+// Columns holds all SQL columns for business fields.
+var Columns = []string{
+	FieldID,
+	FieldName,
+	FieldSlug,
+	FieldBotID,
+	FieldDescription,
+	FieldCompany,
+	FieldAboutUs,
+	FieldCreatedAt,
+	FieldUpdatedAt,
+}
+
+var (
+	// BusinessCategoryPrimaryKey and BusinessCategoryColumn2 are the table columns denoting the
+	// primary key for the businessCategory relation (M2M).
+	BusinessCategoryPrimaryKey = []string{"business_category_id", "business_id"}
+)
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// DefaultName holds the default value on creation for the "name" field.
+	DefaultName string
+	// DefaultCompany holds the default value on creation for the "company" field.
+	DefaultCompany string
+	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
+	DefaultCreatedAt func() time.Time
+	// DefaultUpdatedAt holds the default value on creation for the "updated_at" field.
+	DefaultUpdatedAt func() time.Time
+	// UpdateDefaultUpdatedAt holds the default value on update for the "updated_at" field.
+	UpdateDefaultUpdatedAt func() time.Time
+)
+
+// OrderOption defines the ordering options for the Business queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByName orders the results by the name field.
+func ByName(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldName, opts...).ToFunc()
+}
+
+// BySlug orders the results by the slug field.
+func BySlug(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldSlug, opts...).ToFunc()
+}
+
+// ByBotID orders the results by the bot_id field.
+func ByBotID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldBotID, opts...).ToFunc()
+}
+
+// ByDescription orders the results by the description field.
+func ByDescription(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldDescription, opts...).ToFunc()
+}
+
+// ByCompany orders the results by the company field.
+func ByCompany(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCompany, opts...).ToFunc()
+}
+
+// ByAboutUs orders the results by the about_us field.
+func ByAboutUs(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldAboutUs, opts...).ToFunc()
+}
+
+// ByCreatedAt orders the results by the created_at field.
+func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()
+}
+
+// ByUpdatedAt orders the results by the updated_at field.
+func ByUpdatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUpdatedAt, opts...).ToFunc()
+}
+
+// ByBusinessCategoryCount orders the results by businessCategory count.
+func ByBusinessCategoryCount(opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborsCount(s, newBusinessCategoryStep(), opts...)
+	}
+}
+
+// ByBusinessCategory orders the results by businessCategory terms.
+func ByBusinessCategory(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newBusinessCategoryStep(), append([]sql.OrderTerm{term}, terms...)...)
+	}
+}
+func newBusinessCategoryStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(BusinessCategoryInverseTable, FieldID),
+		sqlgraph.Edge(sqlgraph.M2M, true, BusinessCategoryTable, BusinessCategoryPrimaryKey...),
+	)
+}

ent/business/where.go

@@ -0,0 +1,624 @@
+// Code generated by ent, DO NOT EDIT.
+
+package business
+
+import (
+	"online-order/ent/predicate"
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.Business {
+	return predicate.Business(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.Business {
+	return predicate.Business(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.Business {
+	return predicate.Business(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.Business {
+	return predicate.Business(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.Business {
+	return predicate.Business(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.Business {
+	return predicate.Business(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.Business {
+	return predicate.Business(sql.FieldLTE(FieldID, id))
+}
+
+// Name applies equality check predicate on the "name" field. It's identical to NameEQ.
+func Name(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldName, v))
+}
+
+// Slug applies equality check predicate on the "slug" field. It's identical to SlugEQ.
+func Slug(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldSlug, v))
+}
+
+// BotID applies equality check predicate on the "bot_id" field. It's identical to BotIDEQ.
+func BotID(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldBotID, v))
+}
+
+// Description applies equality check predicate on the "description" field. It's identical to DescriptionEQ.
+func Description(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldDescription, v))
+}
+
+// Company applies equality check predicate on the "company" field. It's identical to CompanyEQ.
+func Company(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldCompany, v))
+}
+
+// AboutUs applies equality check predicate on the "about_us" field. It's identical to AboutUsEQ.
+func AboutUs(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldAboutUs, v))
+}
+
+// CreatedAt applies equality check predicate on the "created_at" field. It's identical to CreatedAtEQ.
+func CreatedAt(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// UpdatedAt applies equality check predicate on the "updated_at" field. It's identical to UpdatedAtEQ.
+func UpdatedAt(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldUpdatedAt, v))
+}
+
+// NameEQ applies the EQ predicate on the "name" field.
+func NameEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldName, v))
+}
+
+// NameNEQ applies the NEQ predicate on the "name" field.
+func NameNEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldNEQ(FieldName, v))
+}
+
+// NameIn applies the In predicate on the "name" field.
+func NameIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldIn(FieldName, vs...))
+}
+
+// NameNotIn applies the NotIn predicate on the "name" field.
+func NameNotIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldNotIn(FieldName, vs...))
+}
+
+// NameGT applies the GT predicate on the "name" field.
+func NameGT(v string) predicate.Business {
+	return predicate.Business(sql.FieldGT(FieldName, v))
+}
+
+// NameGTE applies the GTE predicate on the "name" field.
+func NameGTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldGTE(FieldName, v))
+}
+
+// NameLT applies the LT predicate on the "name" field.
+func NameLT(v string) predicate.Business {
+	return predicate.Business(sql.FieldLT(FieldName, v))
+}
+
+// NameLTE applies the LTE predicate on the "name" field.
+func NameLTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldLTE(FieldName, v))
+}
+
+// NameContains applies the Contains predicate on the "name" field.
+func NameContains(v string) predicate.Business {
+	return predicate.Business(sql.FieldContains(FieldName, v))
+}
+
+// NameHasPrefix applies the HasPrefix predicate on the "name" field.
+func NameHasPrefix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasPrefix(FieldName, v))
+}
+
+// NameHasSuffix applies the HasSuffix predicate on the "name" field.
+func NameHasSuffix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasSuffix(FieldName, v))
+}
+
+// NameEqualFold applies the EqualFold predicate on the "name" field.
+func NameEqualFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldEqualFold(FieldName, v))
+}
+
+// NameContainsFold applies the ContainsFold predicate on the "name" field.
+func NameContainsFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldContainsFold(FieldName, v))
+}
+
+// SlugEQ applies the EQ predicate on the "slug" field.
+func SlugEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldSlug, v))
+}
+
+// SlugNEQ applies the NEQ predicate on the "slug" field.
+func SlugNEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldNEQ(FieldSlug, v))
+}
+
+// SlugIn applies the In predicate on the "slug" field.
+func SlugIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldIn(FieldSlug, vs...))
+}
+
+// SlugNotIn applies the NotIn predicate on the "slug" field.
+func SlugNotIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldNotIn(FieldSlug, vs...))
+}
+
+// SlugGT applies the GT predicate on the "slug" field.
+func SlugGT(v string) predicate.Business {
+	return predicate.Business(sql.FieldGT(FieldSlug, v))
+}
+
+// SlugGTE applies the GTE predicate on the "slug" field.
+func SlugGTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldGTE(FieldSlug, v))
+}
+
+// SlugLT applies the LT predicate on the "slug" field.
+func SlugLT(v string) predicate.Business {
+	return predicate.Business(sql.FieldLT(FieldSlug, v))
+}
+
+// SlugLTE applies the LTE predicate on the "slug" field.
+func SlugLTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldLTE(FieldSlug, v))
+}
+
+// SlugContains applies the Contains predicate on the "slug" field.
+func SlugContains(v string) predicate.Business {
+	return predicate.Business(sql.FieldContains(FieldSlug, v))
+}
+
+// SlugHasPrefix applies the HasPrefix predicate on the "slug" field.
+func SlugHasPrefix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasPrefix(FieldSlug, v))
+}
+
+// SlugHasSuffix applies the HasSuffix predicate on the "slug" field.
+func SlugHasSuffix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasSuffix(FieldSlug, v))
+}
+
+// SlugEqualFold applies the EqualFold predicate on the "slug" field.
+func SlugEqualFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldEqualFold(FieldSlug, v))
+}
+
+// SlugContainsFold applies the ContainsFold predicate on the "slug" field.
+func SlugContainsFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldContainsFold(FieldSlug, v))
+}
+
+// BotIDEQ applies the EQ predicate on the "bot_id" field.
+func BotIDEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldBotID, v))
+}
+
+// BotIDNEQ applies the NEQ predicate on the "bot_id" field.
+func BotIDNEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldNEQ(FieldBotID, v))
+}
+
+// BotIDIn applies the In predicate on the "bot_id" field.
+func BotIDIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldIn(FieldBotID, vs...))
+}
+
+// BotIDNotIn applies the NotIn predicate on the "bot_id" field.
+func BotIDNotIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldNotIn(FieldBotID, vs...))
+}
+
+// BotIDGT applies the GT predicate on the "bot_id" field.
+func BotIDGT(v string) predicate.Business {
+	return predicate.Business(sql.FieldGT(FieldBotID, v))
+}
+
+// BotIDGTE applies the GTE predicate on the "bot_id" field.
+func BotIDGTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldGTE(FieldBotID, v))
+}
+
+// BotIDLT applies the LT predicate on the "bot_id" field.
+func BotIDLT(v string) predicate.Business {
+	return predicate.Business(sql.FieldLT(FieldBotID, v))
+}
+
+// BotIDLTE applies the LTE predicate on the "bot_id" field.
+func BotIDLTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldLTE(FieldBotID, v))
+}
+
+// BotIDContains applies the Contains predicate on the "bot_id" field.
+func BotIDContains(v string) predicate.Business {
+	return predicate.Business(sql.FieldContains(FieldBotID, v))
+}
+
+// BotIDHasPrefix applies the HasPrefix predicate on the "bot_id" field.
+func BotIDHasPrefix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasPrefix(FieldBotID, v))
+}
+
+// BotIDHasSuffix applies the HasSuffix predicate on the "bot_id" field.
+func BotIDHasSuffix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasSuffix(FieldBotID, v))
+}
+
+// BotIDEqualFold applies the EqualFold predicate on the "bot_id" field.
+func BotIDEqualFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldEqualFold(FieldBotID, v))
+}
+
+// BotIDContainsFold applies the ContainsFold predicate on the "bot_id" field.
+func BotIDContainsFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldContainsFold(FieldBotID, v))
+}
+
+// DescriptionEQ applies the EQ predicate on the "description" field.
+func DescriptionEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldDescription, v))
+}
+
+// DescriptionNEQ applies the NEQ predicate on the "description" field.
+func DescriptionNEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldNEQ(FieldDescription, v))
+}
+
+// DescriptionIn applies the In predicate on the "description" field.
+func DescriptionIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldIn(FieldDescription, vs...))
+}
+
+// DescriptionNotIn applies the NotIn predicate on the "description" field.
+func DescriptionNotIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldNotIn(FieldDescription, vs...))
+}
+
+// DescriptionGT applies the GT predicate on the "description" field.
+func DescriptionGT(v string) predicate.Business {
+	return predicate.Business(sql.FieldGT(FieldDescription, v))
+}
+
+// DescriptionGTE applies the GTE predicate on the "description" field.
+func DescriptionGTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldGTE(FieldDescription, v))
+}
+
+// DescriptionLT applies the LT predicate on the "description" field.
+func DescriptionLT(v string) predicate.Business {
+	return predicate.Business(sql.FieldLT(FieldDescription, v))
+}
+
+// DescriptionLTE applies the LTE predicate on the "description" field.
+func DescriptionLTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldLTE(FieldDescription, v))
+}
+
+// DescriptionContains applies the Contains predicate on the "description" field.
+func DescriptionContains(v string) predicate.Business {
+	return predicate.Business(sql.FieldContains(FieldDescription, v))
+}
+
+// DescriptionHasPrefix applies the HasPrefix predicate on the "description" field.
+func DescriptionHasPrefix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasPrefix(FieldDescription, v))
+}
+
+// DescriptionHasSuffix applies the HasSuffix predicate on the "description" field.
+func DescriptionHasSuffix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasSuffix(FieldDescription, v))
+}
+
+// DescriptionIsNil applies the IsNil predicate on the "description" field.
+func DescriptionIsNil() predicate.Business {
+	return predicate.Business(sql.FieldIsNull(FieldDescription))
+}
+
+// DescriptionNotNil applies the NotNil predicate on the "description" field.
+func DescriptionNotNil() predicate.Business {
+	return predicate.Business(sql.FieldNotNull(FieldDescription))
+}
+
+// DescriptionEqualFold applies the EqualFold predicate on the "description" field.
+func DescriptionEqualFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldEqualFold(FieldDescription, v))
+}
+
+// DescriptionContainsFold applies the ContainsFold predicate on the "description" field.
+func DescriptionContainsFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldContainsFold(FieldDescription, v))
+}
+
+// CompanyEQ applies the EQ predicate on the "company" field.
+func CompanyEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldCompany, v))
+}
+
+// CompanyNEQ applies the NEQ predicate on the "company" field.
+func CompanyNEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldNEQ(FieldCompany, v))
+}
+
+// CompanyIn applies the In predicate on the "company" field.
+func CompanyIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldIn(FieldCompany, vs...))
+}
+
+// CompanyNotIn applies the NotIn predicate on the "company" field.
+func CompanyNotIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldNotIn(FieldCompany, vs...))
+}
+
+// CompanyGT applies the GT predicate on the "company" field.
+func CompanyGT(v string) predicate.Business {
+	return predicate.Business(sql.FieldGT(FieldCompany, v))
+}
+
+// CompanyGTE applies the GTE predicate on the "company" field.
+func CompanyGTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldGTE(FieldCompany, v))
+}
+
+// CompanyLT applies the LT predicate on the "company" field.
+func CompanyLT(v string) predicate.Business {
+	return predicate.Business(sql.FieldLT(FieldCompany, v))
+}
+
+// CompanyLTE applies the LTE predicate on the "company" field.
+func CompanyLTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldLTE(FieldCompany, v))
+}
+
+// CompanyContains applies the Contains predicate on the "company" field.
+func CompanyContains(v string) predicate.Business {
+	return predicate.Business(sql.FieldContains(FieldCompany, v))
+}
+
+// CompanyHasPrefix applies the HasPrefix predicate on the "company" field.
+func CompanyHasPrefix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasPrefix(FieldCompany, v))
+}
+
+// CompanyHasSuffix applies the HasSuffix predicate on the "company" field.
+func CompanyHasSuffix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasSuffix(FieldCompany, v))
+}
+
+// CompanyEqualFold applies the EqualFold predicate on the "company" field.
+func CompanyEqualFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldEqualFold(FieldCompany, v))
+}
+
+// CompanyContainsFold applies the ContainsFold predicate on the "company" field.
+func CompanyContainsFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldContainsFold(FieldCompany, v))
+}
+
+// AboutUsEQ applies the EQ predicate on the "about_us" field.
+func AboutUsEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldAboutUs, v))
+}
+
+// AboutUsNEQ applies the NEQ predicate on the "about_us" field.
+func AboutUsNEQ(v string) predicate.Business {
+	return predicate.Business(sql.FieldNEQ(FieldAboutUs, v))
+}
+
+// AboutUsIn applies the In predicate on the "about_us" field.
+func AboutUsIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldIn(FieldAboutUs, vs...))
+}
+
+// AboutUsNotIn applies the NotIn predicate on the "about_us" field.
+func AboutUsNotIn(vs ...string) predicate.Business {
+	return predicate.Business(sql.FieldNotIn(FieldAboutUs, vs...))
+}
+
+// AboutUsGT applies the GT predicate on the "about_us" field.
+func AboutUsGT(v string) predicate.Business {
+	return predicate.Business(sql.FieldGT(FieldAboutUs, v))
+}
+
+// AboutUsGTE applies the GTE predicate on the "about_us" field.
+func AboutUsGTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldGTE(FieldAboutUs, v))
+}
+
+// AboutUsLT applies the LT predicate on the "about_us" field.
+func AboutUsLT(v string) predicate.Business {
+	return predicate.Business(sql.FieldLT(FieldAboutUs, v))
+}
+
+// AboutUsLTE applies the LTE predicate on the "about_us" field.
+func AboutUsLTE(v string) predicate.Business {
+	return predicate.Business(sql.FieldLTE(FieldAboutUs, v))
+}
+
+// AboutUsContains applies the Contains predicate on the "about_us" field.
+func AboutUsContains(v string) predicate.Business {
+	return predicate.Business(sql.FieldContains(FieldAboutUs, v))
+}
+
+// AboutUsHasPrefix applies the HasPrefix predicate on the "about_us" field.
+func AboutUsHasPrefix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasPrefix(FieldAboutUs, v))
+}
+
+// AboutUsHasSuffix applies the HasSuffix predicate on the "about_us" field.
+func AboutUsHasSuffix(v string) predicate.Business {
+	return predicate.Business(sql.FieldHasSuffix(FieldAboutUs, v))
+}
+
+// AboutUsIsNil applies the IsNil predicate on the "about_us" field.
+func AboutUsIsNil() predicate.Business {
+	return predicate.Business(sql.FieldIsNull(FieldAboutUs))
+}
+
+// AboutUsNotNil applies the NotNil predicate on the "about_us" field.
+func AboutUsNotNil() predicate.Business {
+	return predicate.Business(sql.FieldNotNull(FieldAboutUs))
+}
+
+// AboutUsEqualFold applies the EqualFold predicate on the "about_us" field.
+func AboutUsEqualFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldEqualFold(FieldAboutUs, v))
+}
+
+// AboutUsContainsFold applies the ContainsFold predicate on the "about_us" field.
+func AboutUsContainsFold(v string) predicate.Business {
+	return predicate.Business(sql.FieldContainsFold(FieldAboutUs, v))
+}
+
+// CreatedAtEQ applies the EQ predicate on the "created_at" field.
+func CreatedAtEQ(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtNEQ applies the NEQ predicate on the "created_at" field.
+func CreatedAtNEQ(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldNEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtIn applies the In predicate on the "created_at" field.
+func CreatedAtIn(vs ...time.Time) predicate.Business {
+	return predicate.Business(sql.FieldIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtNotIn applies the NotIn predicate on the "created_at" field.
+func CreatedAtNotIn(vs ...time.Time) predicate.Business {
+	return predicate.Business(sql.FieldNotIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtGT applies the GT predicate on the "created_at" field.
+func CreatedAtGT(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldGT(FieldCreatedAt, v))
+}
+
+// CreatedAtGTE applies the GTE predicate on the "created_at" field.
+func CreatedAtGTE(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldGTE(FieldCreatedAt, v))
+}
+
+// CreatedAtLT applies the LT predicate on the "created_at" field.
+func CreatedAtLT(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldLT(FieldCreatedAt, v))
+}
+
+// CreatedAtLTE applies the LTE predicate on the "created_at" field.
+func CreatedAtLTE(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldLTE(FieldCreatedAt, v))
+}
+
+// UpdatedAtEQ applies the EQ predicate on the "updated_at" field.
+func UpdatedAtEQ(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldEQ(FieldUpdatedAt, v))
+}
+
+// UpdatedAtNEQ applies the NEQ predicate on the "updated_at" field.
+func UpdatedAtNEQ(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldNEQ(FieldUpdatedAt, v))
+}
+
+// UpdatedAtIn applies the In predicate on the "updated_at" field.
+func UpdatedAtIn(vs ...time.Time) predicate.Business {
+	return predicate.Business(sql.FieldIn(FieldUpdatedAt, vs...))
+}
+
+// UpdatedAtNotIn applies the NotIn predicate on the "updated_at" field.
+func UpdatedAtNotIn(vs ...time.Time) predicate.Business {
+	return predicate.Business(sql.FieldNotIn(FieldUpdatedAt, vs...))
+}
+
+// UpdatedAtGT applies the GT predicate on the "updated_at" field.
+func UpdatedAtGT(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldGT(FieldUpdatedAt, v))
+}
+
+// UpdatedAtGTE applies the GTE predicate on the "updated_at" field.
+func UpdatedAtGTE(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldGTE(FieldUpdatedAt, v))
+}
+
+// UpdatedAtLT applies the LT predicate on the "updated_at" field.
+func UpdatedAtLT(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldLT(FieldUpdatedAt, v))
+}
+
+// UpdatedAtLTE applies the LTE predicate on the "updated_at" field.
+func UpdatedAtLTE(v time.Time) predicate.Business {
+	return predicate.Business(sql.FieldLTE(FieldUpdatedAt, v))
+}
+
+// HasBusinessCategory applies the HasEdge predicate on the "businessCategory" edge.
+func HasBusinessCategory() predicate.Business {
+	return predicate.Business(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, true, BusinessCategoryTable, BusinessCategoryPrimaryKey...),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasBusinessCategoryWith applies the HasEdge predicate on the "businessCategory" edge with a given conditions (other predicates).
+func HasBusinessCategoryWith(preds ...predicate.BusinessCategory) predicate.Business {
+	return predicate.Business(func(s *sql.Selector) {
+		step := newBusinessCategoryStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.Business) predicate.Business {
+	return predicate.Business(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.Business) predicate.Business {
+	return predicate.Business(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.Business) predicate.Business {
+	return predicate.Business(sql.NotPredicates(p))
+}

ent/business_create.go

@@ -0,0 +1,371 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"online-order/ent/business"
+	"online-order/ent/businesscategory"
+	"time"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// BusinessCreate is the builder for creating a Business entity.
+type BusinessCreate struct {
+	config
+	mutation *BusinessMutation
+	hooks    []Hook
+}
+
+// SetName sets the "name" field.
+func (bc *BusinessCreate) SetName(s string) *BusinessCreate {
+	bc.mutation.SetName(s)
+	return bc
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (bc *BusinessCreate) SetNillableName(s *string) *BusinessCreate {
+	if s != nil {
+		bc.SetName(*s)
+	}
+	return bc
+}
+
+// SetSlug sets the "slug" field.
+func (bc *BusinessCreate) SetSlug(s string) *BusinessCreate {
+	bc.mutation.SetSlug(s)
+	return bc
+}
+
+// SetBotID sets the "bot_id" field.
+func (bc *BusinessCreate) SetBotID(s string) *BusinessCreate {
+	bc.mutation.SetBotID(s)
+	return bc
+}
+
+// SetDescription sets the "description" field.
+func (bc *BusinessCreate) SetDescription(s string) *BusinessCreate {
+	bc.mutation.SetDescription(s)
+	return bc
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (bc *BusinessCreate) SetNillableDescription(s *string) *BusinessCreate {
+	if s != nil {
+		bc.SetDescription(*s)
+	}
+	return bc
+}
+
+// SetCompany sets the "company" field.
+func (bc *BusinessCreate) SetCompany(s string) *BusinessCreate {
+	bc.mutation.SetCompany(s)
+	return bc
+}
+
+// SetNillableCompany sets the "company" field if the given value is not nil.
+func (bc *BusinessCreate) SetNillableCompany(s *string) *BusinessCreate {
+	if s != nil {
+		bc.SetCompany(*s)
+	}
+	return bc
+}
+
+// SetAboutUs sets the "about_us" field.
+func (bc *BusinessCreate) SetAboutUs(s string) *BusinessCreate {
+	bc.mutation.SetAboutUs(s)
+	return bc
+}
+
+// SetNillableAboutUs sets the "about_us" field if the given value is not nil.
+func (bc *BusinessCreate) SetNillableAboutUs(s *string) *BusinessCreate {
+	if s != nil {
+		bc.SetAboutUs(*s)
+	}
+	return bc
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (bc *BusinessCreate) SetCreatedAt(t time.Time) *BusinessCreate {
+	bc.mutation.SetCreatedAt(t)
+	return bc
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (bc *BusinessCreate) SetNillableCreatedAt(t *time.Time) *BusinessCreate {
+	if t != nil {
+		bc.SetCreatedAt(*t)
+	}
+	return bc
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (bc *BusinessCreate) SetUpdatedAt(t time.Time) *BusinessCreate {
+	bc.mutation.SetUpdatedAt(t)
+	return bc
+}
+
+// SetNillableUpdatedAt sets the "updated_at" field if the given value is not nil.
+func (bc *BusinessCreate) SetNillableUpdatedAt(t *time.Time) *BusinessCreate {
+	if t != nil {
+		bc.SetUpdatedAt(*t)
+	}
+	return bc
+}
+
+// AddBusinessCategoryIDs adds the "businessCategory" edge to the BusinessCategory entity by IDs.
+func (bc *BusinessCreate) AddBusinessCategoryIDs(ids ...int) *BusinessCreate {
+	bc.mutation.AddBusinessCategoryIDs(ids...)
+	return bc
+}
+
+// AddBusinessCategory adds the "businessCategory" edges to the BusinessCategory entity.
+func (bc *BusinessCreate) AddBusinessCategory(b ...*BusinessCategory) *BusinessCreate {
+	ids := make([]int, len(b))
+	for i := range b {
+		ids[i] = b[i].ID
+	}
+	return bc.AddBusinessCategoryIDs(ids...)
+}
+
+// Mutation returns the BusinessMutation object of the builder.
+func (bc *BusinessCreate) Mutation() *BusinessMutation {
+	return bc.mutation
+}
+
+// Save creates the Business in the database.
+func (bc *BusinessCreate) Save(ctx context.Context) (*Business, error) {
+	bc.defaults()
+	return withHooks(ctx, bc.sqlSave, bc.mutation, bc.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (bc *BusinessCreate) SaveX(ctx context.Context) *Business {
+	v, err := bc.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (bc *BusinessCreate) Exec(ctx context.Context) error {
+	_, err := bc.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bc *BusinessCreate) ExecX(ctx context.Context) {
+	if err := bc.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (bc *BusinessCreate) defaults() {
+	if _, ok := bc.mutation.Name(); !ok {
+		v := business.DefaultName
+		bc.mutation.SetName(v)
+	}
+	if _, ok := bc.mutation.Company(); !ok {
+		v := business.DefaultCompany
+		bc.mutation.SetCompany(v)
+	}
+	if _, ok := bc.mutation.CreatedAt(); !ok {
+		v := business.DefaultCreatedAt()
+		bc.mutation.SetCreatedAt(v)
+	}
+	if _, ok := bc.mutation.UpdatedAt(); !ok {
+		v := business.DefaultUpdatedAt()
+		bc.mutation.SetUpdatedAt(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (bc *BusinessCreate) check() error {
+	if _, ok := bc.mutation.Name(); !ok {
+		return &ValidationError{Name: "name", err: errors.New(`ent: missing required field "Business.name"`)}
+	}
+	if _, ok := bc.mutation.Slug(); !ok {
+		return &ValidationError{Name: "slug", err: errors.New(`ent: missing required field "Business.slug"`)}
+	}
+	if _, ok := bc.mutation.BotID(); !ok {
+		return &ValidationError{Name: "bot_id", err: errors.New(`ent: missing required field "Business.bot_id"`)}
+	}
+	if _, ok := bc.mutation.Company(); !ok {
+		return &ValidationError{Name: "company", err: errors.New(`ent: missing required field "Business.company"`)}
+	}
+	if _, ok := bc.mutation.CreatedAt(); !ok {
+		return &ValidationError{Name: "created_at", err: errors.New(`ent: missing required field "Business.created_at"`)}
+	}
+	if _, ok := bc.mutation.UpdatedAt(); !ok {
+		return &ValidationError{Name: "updated_at", err: errors.New(`ent: missing required field "Business.updated_at"`)}
+	}
+	return nil
+}
+
+func (bc *BusinessCreate) sqlSave(ctx context.Context) (*Business, error) {
+	if err := bc.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := bc.createSpec()
+	if err := sqlgraph.CreateNode(ctx, bc.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	bc.mutation.id = &_node.ID
+	bc.mutation.done = true
+	return _node, nil
+}
+
+func (bc *BusinessCreate) createSpec() (*Business, *sqlgraph.CreateSpec) {
+	var (
+		_node = &Business{config: bc.config}
+		_spec = sqlgraph.NewCreateSpec(business.Table, sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt))
+	)
+	if value, ok := bc.mutation.Name(); ok {
+		_spec.SetField(business.FieldName, field.TypeString, value)
+		_node.Name = value
+	}
+	if value, ok := bc.mutation.Slug(); ok {
+		_spec.SetField(business.FieldSlug, field.TypeString, value)
+		_node.Slug = value
+	}
+	if value, ok := bc.mutation.BotID(); ok {
+		_spec.SetField(business.FieldBotID, field.TypeString, value)
+		_node.BotID = &value
+	}
+	if value, ok := bc.mutation.Description(); ok {
+		_spec.SetField(business.FieldDescription, field.TypeString, value)
+		_node.Description = &value
+	}
+	if value, ok := bc.mutation.Company(); ok {
+		_spec.SetField(business.FieldCompany, field.TypeString, value)
+		_node.Company = value
+	}
+	if value, ok := bc.mutation.AboutUs(); ok {
+		_spec.SetField(business.FieldAboutUs, field.TypeString, value)
+		_node.AboutUs = &value
+	}
+	if value, ok := bc.mutation.CreatedAt(); ok {
+		_spec.SetField(business.FieldCreatedAt, field.TypeTime, value)
+		_node.CreatedAt = value
+	}
+	if value, ok := bc.mutation.UpdatedAt(); ok {
+		_spec.SetField(business.FieldUpdatedAt, field.TypeTime, value)
+		_node.UpdatedAt = value
+	}
+	if nodes := bc.mutation.BusinessCategoryIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   business.BusinessCategoryTable,
+			Columns: business.BusinessCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// BusinessCreateBulk is the builder for creating many Business entities in bulk.
+type BusinessCreateBulk struct {
+	config
+	err      error
+	builders []*BusinessCreate
+}
+
+// Save creates the Business entities in the database.
+func (bcb *BusinessCreateBulk) Save(ctx context.Context) ([]*Business, error) {
+	if bcb.err != nil {
+		return nil, bcb.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(bcb.builders))
+	nodes := make([]*Business, len(bcb.builders))
+	mutators := make([]Mutator, len(bcb.builders))
+	for i := range bcb.builders {
+		func(i int, root context.Context) {
+			builder := bcb.builders[i]
+			builder.defaults()
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*BusinessMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, bcb.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, bcb.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, bcb.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (bcb *BusinessCreateBulk) SaveX(ctx context.Context) []*Business {
+	v, err := bcb.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (bcb *BusinessCreateBulk) Exec(ctx context.Context) error {
+	_, err := bcb.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bcb *BusinessCreateBulk) ExecX(ctx context.Context) {
+	if err := bcb.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

ent/business_delete.go

@@ -0,0 +1,88 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"online-order/ent/business"
+	"online-order/ent/predicate"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// BusinessDelete is the builder for deleting a Business entity.
+type BusinessDelete struct {
+	config
+	hooks    []Hook
+	mutation *BusinessMutation
+}
+
+// Where appends a list predicates to the BusinessDelete builder.
+func (bd *BusinessDelete) Where(ps ...predicate.Business) *BusinessDelete {
+	bd.mutation.Where(ps...)
+	return bd
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (bd *BusinessDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, bd.sqlExec, bd.mutation, bd.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bd *BusinessDelete) ExecX(ctx context.Context) int {
+	n, err := bd.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (bd *BusinessDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(business.Table, sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt))
+	if ps := bd.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, bd.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	bd.mutation.done = true
+	return affected, err
+}
+
+// BusinessDeleteOne is the builder for deleting a single Business entity.
+type BusinessDeleteOne struct {
+	bd *BusinessDelete
+}
+
+// Where appends a list predicates to the BusinessDelete builder.
+func (bdo *BusinessDeleteOne) Where(ps ...predicate.Business) *BusinessDeleteOne {
+	bdo.bd.mutation.Where(ps...)
+	return bdo
+}
+
+// Exec executes the deletion query.
+func (bdo *BusinessDeleteOne) Exec(ctx context.Context) error {
+	n, err := bdo.bd.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{business.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bdo *BusinessDeleteOne) ExecX(ctx context.Context) {
+	if err := bdo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

ent/business_query.go

@@ -0,0 +1,636 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"database/sql/driver"
+	"fmt"
+	"math"
+	"online-order/ent/business"
+	"online-order/ent/businesscategory"
+	"online-order/ent/predicate"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// BusinessQuery is the builder for querying Business entities.
+type BusinessQuery struct {
+	config
+	ctx                  *QueryContext
+	order                []business.OrderOption
+	inters               []Interceptor
+	predicates           []predicate.Business
+	withBusinessCategory *BusinessCategoryQuery
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the BusinessQuery builder.
+func (bq *BusinessQuery) Where(ps ...predicate.Business) *BusinessQuery {
+	bq.predicates = append(bq.predicates, ps...)
+	return bq
+}
+
+// Limit the number of records to be returned by this query.
+func (bq *BusinessQuery) Limit(limit int) *BusinessQuery {
+	bq.ctx.Limit = &limit
+	return bq
+}
+
+// Offset to start from.
+func (bq *BusinessQuery) Offset(offset int) *BusinessQuery {
+	bq.ctx.Offset = &offset
+	return bq
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (bq *BusinessQuery) Unique(unique bool) *BusinessQuery {
+	bq.ctx.Unique = &unique
+	return bq
+}
+
+// Order specifies how the records should be ordered.
+func (bq *BusinessQuery) Order(o ...business.OrderOption) *BusinessQuery {
+	bq.order = append(bq.order, o...)
+	return bq
+}
+
+// QueryBusinessCategory chains the current query on the "businessCategory" edge.
+func (bq *BusinessQuery) QueryBusinessCategory() *BusinessCategoryQuery {
+	query := (&BusinessCategoryClient{config: bq.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := bq.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := bq.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(business.Table, business.FieldID, selector),
+			sqlgraph.To(businesscategory.Table, businesscategory.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, true, business.BusinessCategoryTable, business.BusinessCategoryPrimaryKey...),
+		)
+		fromU = sqlgraph.SetNeighbors(bq.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// First returns the first Business entity from the query.
+// Returns a *NotFoundError when no Business was found.
+func (bq *BusinessQuery) First(ctx context.Context) (*Business, error) {
+	nodes, err := bq.Limit(1).All(setContextOp(ctx, bq.ctx, "First"))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{business.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (bq *BusinessQuery) FirstX(ctx context.Context) *Business {
+	node, err := bq.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first Business ID from the query.
+// Returns a *NotFoundError when no Business ID was found.
+func (bq *BusinessQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = bq.Limit(1).IDs(setContextOp(ctx, bq.ctx, "FirstID")); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{business.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (bq *BusinessQuery) FirstIDX(ctx context.Context) int {
+	id, err := bq.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single Business entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one Business entity is found.
+// Returns a *NotFoundError when no Business entities are found.
+func (bq *BusinessQuery) Only(ctx context.Context) (*Business, error) {
+	nodes, err := bq.Limit(2).All(setContextOp(ctx, bq.ctx, "Only"))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{business.Label}
+	default:
+		return nil, &NotSingularError{business.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (bq *BusinessQuery) OnlyX(ctx context.Context) *Business {
+	node, err := bq.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only Business ID in the query.
+// Returns a *NotSingularError when more than one Business ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (bq *BusinessQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = bq.Limit(2).IDs(setContextOp(ctx, bq.ctx, "OnlyID")); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{business.Label}
+	default:
+		err = &NotSingularError{business.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (bq *BusinessQuery) OnlyIDX(ctx context.Context) int {
+	id, err := bq.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of Businesses.
+func (bq *BusinessQuery) All(ctx context.Context) ([]*Business, error) {
+	ctx = setContextOp(ctx, bq.ctx, "All")
+	if err := bq.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*Business, *BusinessQuery]()
+	return withInterceptors[[]*Business](ctx, bq, qr, bq.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (bq *BusinessQuery) AllX(ctx context.Context) []*Business {
+	nodes, err := bq.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of Business IDs.
+func (bq *BusinessQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if bq.ctx.Unique == nil && bq.path != nil {
+		bq.Unique(true)
+	}
+	ctx = setContextOp(ctx, bq.ctx, "IDs")
+	if err = bq.Select(business.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (bq *BusinessQuery) IDsX(ctx context.Context) []int {
+	ids, err := bq.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (bq *BusinessQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, bq.ctx, "Count")
+	if err := bq.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, bq, querierCount[*BusinessQuery](), bq.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (bq *BusinessQuery) CountX(ctx context.Context) int {
+	count, err := bq.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (bq *BusinessQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, bq.ctx, "Exist")
+	switch _, err := bq.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("ent: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (bq *BusinessQuery) ExistX(ctx context.Context) bool {
+	exist, err := bq.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the BusinessQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (bq *BusinessQuery) Clone() *BusinessQuery {
+	if bq == nil {
+		return nil
+	}
+	return &BusinessQuery{
+		config:               bq.config,
+		ctx:                  bq.ctx.Clone(),
+		order:                append([]business.OrderOption{}, bq.order...),
+		inters:               append([]Interceptor{}, bq.inters...),
+		predicates:           append([]predicate.Business{}, bq.predicates...),
+		withBusinessCategory: bq.withBusinessCategory.Clone(),
+		// clone intermediate query.
+		sql:  bq.sql.Clone(),
+		path: bq.path,
+	}
+}
+
+// WithBusinessCategory tells the query-builder to eager-load the nodes that are connected to
+// the "businessCategory" edge. The optional arguments are used to configure the query builder of the edge.
+func (bq *BusinessQuery) WithBusinessCategory(opts ...func(*BusinessCategoryQuery)) *BusinessQuery {
+	query := (&BusinessCategoryClient{config: bq.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	bq.withBusinessCategory = query
+	return bq
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.Business.Query().
+//		GroupBy(business.FieldName).
+//		Aggregate(ent.Count()).
+//		Scan(ctx, &v)
+func (bq *BusinessQuery) GroupBy(field string, fields ...string) *BusinessGroupBy {
+	bq.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &BusinessGroupBy{build: bq}
+	grbuild.flds = &bq.ctx.Fields
+	grbuild.label = business.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//	}
+//
+//	client.Business.Query().
+//		Select(business.FieldName).
+//		Scan(ctx, &v)
+func (bq *BusinessQuery) Select(fields ...string) *BusinessSelect {
+	bq.ctx.Fields = append(bq.ctx.Fields, fields...)
+	sbuild := &BusinessSelect{BusinessQuery: bq}
+	sbuild.label = business.Label
+	sbuild.flds, sbuild.scan = &bq.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a BusinessSelect configured with the given aggregations.
+func (bq *BusinessQuery) Aggregate(fns ...AggregateFunc) *BusinessSelect {
+	return bq.Select().Aggregate(fns...)
+}
+
+func (bq *BusinessQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range bq.inters {
+		if inter == nil {
+			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, bq); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range bq.ctx.Fields {
+		if !business.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+		}
+	}
+	if bq.path != nil {
+		prev, err := bq.path(ctx)
+		if err != nil {
+			return err
+		}
+		bq.sql = prev
+	}
+	return nil
+}
+
+func (bq *BusinessQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Business, error) {
+	var (
+		nodes       = []*Business{}
+		_spec       = bq.querySpec()
+		loadedTypes = [1]bool{
+			bq.withBusinessCategory != nil,
+		}
+	)
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*Business).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &Business{config: bq.config}
+		nodes = append(nodes, node)
+		node.Edges.loadedTypes = loadedTypes
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, bq.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	if query := bq.withBusinessCategory; query != nil {
+		if err := bq.loadBusinessCategory(ctx, query, nodes,
+			func(n *Business) { n.Edges.BusinessCategory = []*BusinessCategory{} },
+			func(n *Business, e *BusinessCategory) { n.Edges.BusinessCategory = append(n.Edges.BusinessCategory, e) }); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+func (bq *BusinessQuery) loadBusinessCategory(ctx context.Context, query *BusinessCategoryQuery, nodes []*Business, init func(*Business), assign func(*Business, *BusinessCategory)) error {
+	edgeIDs := make([]driver.Value, len(nodes))
+	byID := make(map[int]*Business)
+	nids := make(map[int]map[*Business]struct{})
+	for i, node := range nodes {
+		edgeIDs[i] = node.ID
+		byID[node.ID] = node
+		if init != nil {
+			init(node)
+		}
+	}
+	query.Where(func(s *sql.Selector) {
+		joinT := sql.Table(business.BusinessCategoryTable)
+		s.Join(joinT).On(s.C(businesscategory.FieldID), joinT.C(business.BusinessCategoryPrimaryKey[0]))
+		s.Where(sql.InValues(joinT.C(business.BusinessCategoryPrimaryKey[1]), edgeIDs...))
+		columns := s.SelectedColumns()
+		s.Select(joinT.C(business.BusinessCategoryPrimaryKey[1]))
+		s.AppendSelect(columns...)
+		s.SetDistinct(false)
+	})
+	if err := query.prepareQuery(ctx); err != nil {
+		return err
+	}
+	qr := QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		return query.sqlAll(ctx, func(_ context.Context, spec *sqlgraph.QuerySpec) {
+			assign := spec.Assign
+			values := spec.ScanValues
+			spec.ScanValues = func(columns []string) ([]any, error) {
+				values, err := values(columns[1:])
+				if err != nil {
+					return nil, err
+				}
+				return append([]any{new(sql.NullInt64)}, values...), nil
+			}
+			spec.Assign = func(columns []string, values []any) error {
+				outValue := int(values[0].(*sql.NullInt64).Int64)
+				inValue := int(values[1].(*sql.NullInt64).Int64)
+				if nids[inValue] == nil {
+					nids[inValue] = map[*Business]struct{}{byID[outValue]: {}}
+					return assign(columns[1:], values[1:])
+				}
+				nids[inValue][byID[outValue]] = struct{}{}
+				return nil
+			}
+		})
+	})
+	neighbors, err := withInterceptors[[]*BusinessCategory](ctx, query, qr, query.inters)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected "businessCategory" node returned %v`, n.ID)
+		}
+		for kn := range nodes {
+			assign(kn, n)
+		}
+	}
+	return nil
+}
+
+func (bq *BusinessQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := bq.querySpec()
+	_spec.Node.Columns = bq.ctx.Fields
+	if len(bq.ctx.Fields) > 0 {
+		_spec.Unique = bq.ctx.Unique != nil && *bq.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, bq.driver, _spec)
+}
+
+func (bq *BusinessQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(business.Table, business.Columns, sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt))
+	_spec.From = bq.sql
+	if unique := bq.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if bq.path != nil {
+		_spec.Unique = true
+	}
+	if fields := bq.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, business.FieldID)
+		for i := range fields {
+			if fields[i] != business.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := bq.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := bq.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := bq.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := bq.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (bq *BusinessQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(bq.driver.Dialect())
+	t1 := builder.Table(business.Table)
+	columns := bq.ctx.Fields
+	if len(columns) == 0 {
+		columns = business.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if bq.sql != nil {
+		selector = bq.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if bq.ctx.Unique != nil && *bq.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range bq.predicates {
+		p(selector)
+	}
+	for _, p := range bq.order {
+		p(selector)
+	}
+	if offset := bq.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := bq.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// BusinessGroupBy is the group-by builder for Business entities.
+type BusinessGroupBy struct {
+	selector
+	build *BusinessQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (bgb *BusinessGroupBy) Aggregate(fns ...AggregateFunc) *BusinessGroupBy {
+	bgb.fns = append(bgb.fns, fns...)
+	return bgb
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (bgb *BusinessGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, bgb.build.ctx, "GroupBy")
+	if err := bgb.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*BusinessQuery, *BusinessGroupBy](ctx, bgb.build, bgb, bgb.build.inters, v)
+}
+
+func (bgb *BusinessGroupBy) sqlScan(ctx context.Context, root *BusinessQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(bgb.fns))
+	for _, fn := range bgb.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*bgb.flds)+len(bgb.fns))
+		for _, f := range *bgb.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*bgb.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := bgb.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// BusinessSelect is the builder for selecting fields of Business entities.
+type BusinessSelect struct {
+	*BusinessQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (bs *BusinessSelect) Aggregate(fns ...AggregateFunc) *BusinessSelect {
+	bs.fns = append(bs.fns, fns...)
+	return bs
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (bs *BusinessSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, bs.ctx, "Select")
+	if err := bs.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*BusinessQuery, *BusinessSelect](ctx, bs.BusinessQuery, bs, bs.inters, v)
+}
+
+func (bs *BusinessSelect) sqlScan(ctx context.Context, root *BusinessQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(bs.fns))
+	for _, fn := range bs.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*bs.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := bs.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}

ent/business_update.go

@@ -0,0 +1,617 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"online-order/ent/business"
+	"online-order/ent/businesscategory"
+	"online-order/ent/predicate"
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// BusinessUpdate is the builder for updating Business entities.
+type BusinessUpdate struct {
+	config
+	hooks    []Hook
+	mutation *BusinessMutation
+}
+
+// Where appends a list predicates to the BusinessUpdate builder.
+func (bu *BusinessUpdate) Where(ps ...predicate.Business) *BusinessUpdate {
+	bu.mutation.Where(ps...)
+	return bu
+}
+
+// SetName sets the "name" field.
+func (bu *BusinessUpdate) SetName(s string) *BusinessUpdate {
+	bu.mutation.SetName(s)
+	return bu
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (bu *BusinessUpdate) SetNillableName(s *string) *BusinessUpdate {
+	if s != nil {
+		bu.SetName(*s)
+	}
+	return bu
+}
+
+// SetSlug sets the "slug" field.
+func (bu *BusinessUpdate) SetSlug(s string) *BusinessUpdate {
+	bu.mutation.SetSlug(s)
+	return bu
+}
+
+// SetBotID sets the "bot_id" field.
+func (bu *BusinessUpdate) SetBotID(s string) *BusinessUpdate {
+	bu.mutation.SetBotID(s)
+	return bu
+}
+
+// SetDescription sets the "description" field.
+func (bu *BusinessUpdate) SetDescription(s string) *BusinessUpdate {
+	bu.mutation.SetDescription(s)
+	return bu
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (bu *BusinessUpdate) SetNillableDescription(s *string) *BusinessUpdate {
+	if s != nil {
+		bu.SetDescription(*s)
+	}
+	return bu
+}
+
+// ClearDescription clears the value of the "description" field.
+func (bu *BusinessUpdate) ClearDescription() *BusinessUpdate {
+	bu.mutation.ClearDescription()
+	return bu
+}
+
+// SetCompany sets the "company" field.
+func (bu *BusinessUpdate) SetCompany(s string) *BusinessUpdate {
+	bu.mutation.SetCompany(s)
+	return bu
+}
+
+// SetNillableCompany sets the "company" field if the given value is not nil.
+func (bu *BusinessUpdate) SetNillableCompany(s *string) *BusinessUpdate {
+	if s != nil {
+		bu.SetCompany(*s)
+	}
+	return bu
+}
+
+// SetAboutUs sets the "about_us" field.
+func (bu *BusinessUpdate) SetAboutUs(s string) *BusinessUpdate {
+	bu.mutation.SetAboutUs(s)
+	return bu
+}
+
+// SetNillableAboutUs sets the "about_us" field if the given value is not nil.
+func (bu *BusinessUpdate) SetNillableAboutUs(s *string) *BusinessUpdate {
+	if s != nil {
+		bu.SetAboutUs(*s)
+	}
+	return bu
+}
+
+// ClearAboutUs clears the value of the "about_us" field.
+func (bu *BusinessUpdate) ClearAboutUs() *BusinessUpdate {
+	bu.mutation.ClearAboutUs()
+	return bu
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (bu *BusinessUpdate) SetCreatedAt(t time.Time) *BusinessUpdate {
+	bu.mutation.SetCreatedAt(t)
+	return bu
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (bu *BusinessUpdate) SetNillableCreatedAt(t *time.Time) *BusinessUpdate {
+	if t != nil {
+		bu.SetCreatedAt(*t)
+	}
+	return bu
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (bu *BusinessUpdate) SetUpdatedAt(t time.Time) *BusinessUpdate {
+	bu.mutation.SetUpdatedAt(t)
+	return bu
+}
+
+// AddBusinessCategoryIDs adds the "businessCategory" edge to the BusinessCategory entity by IDs.
+func (bu *BusinessUpdate) AddBusinessCategoryIDs(ids ...int) *BusinessUpdate {
+	bu.mutation.AddBusinessCategoryIDs(ids...)
+	return bu
+}
+
+// AddBusinessCategory adds the "businessCategory" edges to the BusinessCategory entity.
+func (bu *BusinessUpdate) AddBusinessCategory(b ...*BusinessCategory) *BusinessUpdate {
+	ids := make([]int, len(b))
+	for i := range b {
+		ids[i] = b[i].ID
+	}
+	return bu.AddBusinessCategoryIDs(ids...)
+}
+
+// Mutation returns the BusinessMutation object of the builder.
+func (bu *BusinessUpdate) Mutation() *BusinessMutation {
+	return bu.mutation
+}
+
+// ClearBusinessCategory clears all "businessCategory" edges to the BusinessCategory entity.
+func (bu *BusinessUpdate) ClearBusinessCategory() *BusinessUpdate {
+	bu.mutation.ClearBusinessCategory()
+	return bu
+}
+
+// RemoveBusinessCategoryIDs removes the "businessCategory" edge to BusinessCategory entities by IDs.
+func (bu *BusinessUpdate) RemoveBusinessCategoryIDs(ids ...int) *BusinessUpdate {
+	bu.mutation.RemoveBusinessCategoryIDs(ids...)
+	return bu
+}
+
+// RemoveBusinessCategory removes "businessCategory" edges to BusinessCategory entities.
+func (bu *BusinessUpdate) RemoveBusinessCategory(b ...*BusinessCategory) *BusinessUpdate {
+	ids := make([]int, len(b))
+	for i := range b {
+		ids[i] = b[i].ID
+	}
+	return bu.RemoveBusinessCategoryIDs(ids...)
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (bu *BusinessUpdate) Save(ctx context.Context) (int, error) {
+	bu.defaults()
+	return withHooks(ctx, bu.sqlSave, bu.mutation, bu.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (bu *BusinessUpdate) SaveX(ctx context.Context) int {
+	affected, err := bu.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (bu *BusinessUpdate) Exec(ctx context.Context) error {
+	_, err := bu.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bu *BusinessUpdate) ExecX(ctx context.Context) {
+	if err := bu.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (bu *BusinessUpdate) defaults() {
+	if _, ok := bu.mutation.UpdatedAt(); !ok {
+		v := business.UpdateDefaultUpdatedAt()
+		bu.mutation.SetUpdatedAt(v)
+	}
+}
+
+func (bu *BusinessUpdate) sqlSave(ctx context.Context) (n int, err error) {
+	_spec := sqlgraph.NewUpdateSpec(business.Table, business.Columns, sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt))
+	if ps := bu.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := bu.mutation.Name(); ok {
+		_spec.SetField(business.FieldName, field.TypeString, value)
+	}
+	if value, ok := bu.mutation.Slug(); ok {
+		_spec.SetField(business.FieldSlug, field.TypeString, value)
+	}
+	if value, ok := bu.mutation.BotID(); ok {
+		_spec.SetField(business.FieldBotID, field.TypeString, value)
+	}
+	if value, ok := bu.mutation.Description(); ok {
+		_spec.SetField(business.FieldDescription, field.TypeString, value)
+	}
+	if bu.mutation.DescriptionCleared() {
+		_spec.ClearField(business.FieldDescription, field.TypeString)
+	}
+	if value, ok := bu.mutation.Company(); ok {
+		_spec.SetField(business.FieldCompany, field.TypeString, value)
+	}
+	if value, ok := bu.mutation.AboutUs(); ok {
+		_spec.SetField(business.FieldAboutUs, field.TypeString, value)
+	}
+	if bu.mutation.AboutUsCleared() {
+		_spec.ClearField(business.FieldAboutUs, field.TypeString)
+	}
+	if value, ok := bu.mutation.CreatedAt(); ok {
+		_spec.SetField(business.FieldCreatedAt, field.TypeTime, value)
+	}
+	if value, ok := bu.mutation.UpdatedAt(); ok {
+		_spec.SetField(business.FieldUpdatedAt, field.TypeTime, value)
+	}
+	if bu.mutation.BusinessCategoryCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   business.BusinessCategoryTable,
+			Columns: business.BusinessCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := bu.mutation.RemovedBusinessCategoryIDs(); len(nodes) > 0 && !bu.mutation.BusinessCategoryCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   business.BusinessCategoryTable,
+			Columns: business.BusinessCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := bu.mutation.BusinessCategoryIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   business.BusinessCategoryTable,
+			Columns: business.BusinessCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if n, err = sqlgraph.UpdateNodes(ctx, bu.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{business.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	bu.mutation.done = true
+	return n, nil
+}
+
+// BusinessUpdateOne is the builder for updating a single Business entity.
+type BusinessUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *BusinessMutation
+}
+
+// SetName sets the "name" field.
+func (buo *BusinessUpdateOne) SetName(s string) *BusinessUpdateOne {
+	buo.mutation.SetName(s)
+	return buo
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (buo *BusinessUpdateOne) SetNillableName(s *string) *BusinessUpdateOne {
+	if s != nil {
+		buo.SetName(*s)
+	}
+	return buo
+}
+
+// SetSlug sets the "slug" field.
+func (buo *BusinessUpdateOne) SetSlug(s string) *BusinessUpdateOne {
+	buo.mutation.SetSlug(s)
+	return buo
+}
+
+// SetBotID sets the "bot_id" field.
+func (buo *BusinessUpdateOne) SetBotID(s string) *BusinessUpdateOne {
+	buo.mutation.SetBotID(s)
+	return buo
+}
+
+// SetDescription sets the "description" field.
+func (buo *BusinessUpdateOne) SetDescription(s string) *BusinessUpdateOne {
+	buo.mutation.SetDescription(s)
+	return buo
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (buo *BusinessUpdateOne) SetNillableDescription(s *string) *BusinessUpdateOne {
+	if s != nil {
+		buo.SetDescription(*s)
+	}
+	return buo
+}
+
+// ClearDescription clears the value of the "description" field.
+func (buo *BusinessUpdateOne) ClearDescription() *BusinessUpdateOne {
+	buo.mutation.ClearDescription()
+	return buo
+}
+
+// SetCompany sets the "company" field.
+func (buo *BusinessUpdateOne) SetCompany(s string) *BusinessUpdateOne {
+	buo.mutation.SetCompany(s)
+	return buo
+}
+
+// SetNillableCompany sets the "company" field if the given value is not nil.
+func (buo *BusinessUpdateOne) SetNillableCompany(s *string) *BusinessUpdateOne {
+	if s != nil {
+		buo.SetCompany(*s)
+	}
+	return buo
+}
+
+// SetAboutUs sets the "about_us" field.
+func (buo *BusinessUpdateOne) SetAboutUs(s string) *BusinessUpdateOne {
+	buo.mutation.SetAboutUs(s)
+	return buo
+}
+
+// SetNillableAboutUs sets the "about_us" field if the given value is not nil.
+func (buo *BusinessUpdateOne) SetNillableAboutUs(s *string) *BusinessUpdateOne {
+	if s != nil {
+		buo.SetAboutUs(*s)
+	}
+	return buo
+}
+
+// ClearAboutUs clears the value of the "about_us" field.
+func (buo *BusinessUpdateOne) ClearAboutUs() *BusinessUpdateOne {
+	buo.mutation.ClearAboutUs()
+	return buo
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (buo *BusinessUpdateOne) SetCreatedAt(t time.Time) *BusinessUpdateOne {
+	buo.mutation.SetCreatedAt(t)
+	return buo
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (buo *BusinessUpdateOne) SetNillableCreatedAt(t *time.Time) *BusinessUpdateOne {
+	if t != nil {
+		buo.SetCreatedAt(*t)
+	}
+	return buo
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (buo *BusinessUpdateOne) SetUpdatedAt(t time.Time) *BusinessUpdateOne {
+	buo.mutation.SetUpdatedAt(t)
+	return buo
+}
+
+// AddBusinessCategoryIDs adds the "businessCategory" edge to the BusinessCategory entity by IDs.
+func (buo *BusinessUpdateOne) AddBusinessCategoryIDs(ids ...int) *BusinessUpdateOne {
+	buo.mutation.AddBusinessCategoryIDs(ids...)
+	return buo
+}
+
+// AddBusinessCategory adds the "businessCategory" edges to the BusinessCategory entity.
+func (buo *BusinessUpdateOne) AddBusinessCategory(b ...*BusinessCategory) *BusinessUpdateOne {
+	ids := make([]int, len(b))
+	for i := range b {
+		ids[i] = b[i].ID
+	}
+	return buo.AddBusinessCategoryIDs(ids...)
+}
+
+// Mutation returns the BusinessMutation object of the builder.
+func (buo *BusinessUpdateOne) Mutation() *BusinessMutation {
+	return buo.mutation
+}
+
+// ClearBusinessCategory clears all "businessCategory" edges to the BusinessCategory entity.
+func (buo *BusinessUpdateOne) ClearBusinessCategory() *BusinessUpdateOne {
+	buo.mutation.ClearBusinessCategory()
+	return buo
+}
+
+// RemoveBusinessCategoryIDs removes the "businessCategory" edge to BusinessCategory entities by IDs.
+func (buo *BusinessUpdateOne) RemoveBusinessCategoryIDs(ids ...int) *BusinessUpdateOne {
+	buo.mutation.RemoveBusinessCategoryIDs(ids...)
+	return buo
+}
+
+// RemoveBusinessCategory removes "businessCategory" edges to BusinessCategory entities.
+func (buo *BusinessUpdateOne) RemoveBusinessCategory(b ...*BusinessCategory) *BusinessUpdateOne {
+	ids := make([]int, len(b))
+	for i := range b {
+		ids[i] = b[i].ID
+	}
+	return buo.RemoveBusinessCategoryIDs(ids...)
+}
+
+// Where appends a list predicates to the BusinessUpdate builder.
+func (buo *BusinessUpdateOne) Where(ps ...predicate.Business) *BusinessUpdateOne {
+	buo.mutation.Where(ps...)
+	return buo
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (buo *BusinessUpdateOne) Select(field string, fields ...string) *BusinessUpdateOne {
+	buo.fields = append([]string{field}, fields...)
+	return buo
+}
+
+// Save executes the query and returns the updated Business entity.
+func (buo *BusinessUpdateOne) Save(ctx context.Context) (*Business, error) {
+	buo.defaults()
+	return withHooks(ctx, buo.sqlSave, buo.mutation, buo.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (buo *BusinessUpdateOne) SaveX(ctx context.Context) *Business {
+	node, err := buo.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (buo *BusinessUpdateOne) Exec(ctx context.Context) error {
+	_, err := buo.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (buo *BusinessUpdateOne) ExecX(ctx context.Context) {
+	if err := buo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (buo *BusinessUpdateOne) defaults() {
+	if _, ok := buo.mutation.UpdatedAt(); !ok {
+		v := business.UpdateDefaultUpdatedAt()
+		buo.mutation.SetUpdatedAt(v)
+	}
+}
+
+func (buo *BusinessUpdateOne) sqlSave(ctx context.Context) (_node *Business, err error) {
+	_spec := sqlgraph.NewUpdateSpec(business.Table, business.Columns, sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt))
+	id, ok := buo.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Business.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := buo.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, business.FieldID)
+		for _, f := range fields {
+			if !business.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+			}
+			if f != business.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := buo.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := buo.mutation.Name(); ok {
+		_spec.SetField(business.FieldName, field.TypeString, value)
+	}
+	if value, ok := buo.mutation.Slug(); ok {
+		_spec.SetField(business.FieldSlug, field.TypeString, value)
+	}
+	if value, ok := buo.mutation.BotID(); ok {
+		_spec.SetField(business.FieldBotID, field.TypeString, value)
+	}
+	if value, ok := buo.mutation.Description(); ok {
+		_spec.SetField(business.FieldDescription, field.TypeString, value)
+	}
+	if buo.mutation.DescriptionCleared() {
+		_spec.ClearField(business.FieldDescription, field.TypeString)
+	}
+	if value, ok := buo.mutation.Company(); ok {
+		_spec.SetField(business.FieldCompany, field.TypeString, value)
+	}
+	if value, ok := buo.mutation.AboutUs(); ok {
+		_spec.SetField(business.FieldAboutUs, field.TypeString, value)
+	}
+	if buo.mutation.AboutUsCleared() {
+		_spec.ClearField(business.FieldAboutUs, field.TypeString)
+	}
+	if value, ok := buo.mutation.CreatedAt(); ok {
+		_spec.SetField(business.FieldCreatedAt, field.TypeTime, value)
+	}
+	if value, ok := buo.mutation.UpdatedAt(); ok {
+		_spec.SetField(business.FieldUpdatedAt, field.TypeTime, value)
+	}
+	if buo.mutation.BusinessCategoryCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   business.BusinessCategoryTable,
+			Columns: business.BusinessCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := buo.mutation.RemovedBusinessCategoryIDs(); len(nodes) > 0 && !buo.mutation.BusinessCategoryCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   business.BusinessCategoryTable,
+			Columns: business.BusinessCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := buo.mutation.BusinessCategoryIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   business.BusinessCategoryTable,
+			Columns: business.BusinessCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	_node = &Business{config: buo.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, buo.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{business.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	buo.mutation.done = true
+	return _node, nil
+}

ent/businesscategory.go

@@ -0,0 +1,151 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"fmt"
+	"online-order/ent/businesscategory"
+	"strings"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+)
+
+// BusinessCategory is the model entity for the BusinessCategory schema.
+type BusinessCategory struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Slug holds the value of the "slug" field.
+	Slug string `json:"slug,omitempty"`
+	// Name holds the value of the "name" field.
+	Name string `json:"name,omitempty"`
+	// Description holds the value of the "description" field.
+	Description string `json:"description,omitempty"`
+	// Edges holds the relations/edges for other nodes in the graph.
+	// The values are being populated by the BusinessCategoryQuery when eager-loading is set.
+	Edges        BusinessCategoryEdges `json:"edges"`
+	selectValues sql.SelectValues
+}
+
+// BusinessCategoryEdges holds the relations/edges for other nodes in the graph.
+type BusinessCategoryEdges struct {
+	// Businesses holds the value of the businesses edge.
+	Businesses []*Business `json:"businesses,omitempty"`
+	// loadedTypes holds the information for reporting if a
+	// type was loaded (or requested) in eager-loading or not.
+	loadedTypes [1]bool
+}
+
+// BusinessesOrErr returns the Businesses value or an error if the edge
+// was not loaded in eager-loading.
+func (e BusinessCategoryEdges) BusinessesOrErr() ([]*Business, error) {
+	if e.loadedTypes[0] {
+		return e.Businesses, nil
+	}
+	return nil, &NotLoadedError{edge: "businesses"}
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*BusinessCategory) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case businesscategory.FieldID:
+			values[i] = new(sql.NullInt64)
+		case businesscategory.FieldSlug, businesscategory.FieldName, businesscategory.FieldDescription:
+			values[i] = new(sql.NullString)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the BusinessCategory fields.
+func (bc *BusinessCategory) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case businesscategory.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			bc.ID = int(value.Int64)
+		case businesscategory.FieldSlug:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field slug", values[i])
+			} else if value.Valid {
+				bc.Slug = value.String
+			}
+		case businesscategory.FieldName:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field name", values[i])
+			} else if value.Valid {
+				bc.Name = value.String
+			}
+		case businesscategory.FieldDescription:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field description", values[i])
+			} else if value.Valid {
+				bc.Description = value.String
+			}
+		default:
+			bc.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the BusinessCategory.
+// This includes values selected through modifiers, order, etc.
+func (bc *BusinessCategory) Value(name string) (ent.Value, error) {
+	return bc.selectValues.Get(name)
+}
+
+// QueryBusinesses queries the "businesses" edge of the BusinessCategory entity.
+func (bc *BusinessCategory) QueryBusinesses() *BusinessQuery {
+	return NewBusinessCategoryClient(bc.config).QueryBusinesses(bc)
+}
+
+// Update returns a builder for updating this BusinessCategory.
+// Note that you need to call BusinessCategory.Unwrap() before calling this method if this BusinessCategory
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (bc *BusinessCategory) Update() *BusinessCategoryUpdateOne {
+	return NewBusinessCategoryClient(bc.config).UpdateOne(bc)
+}
+
+// Unwrap unwraps the BusinessCategory entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (bc *BusinessCategory) Unwrap() *BusinessCategory {
+	_tx, ok := bc.config.driver.(*txDriver)
+	if !ok {
+		panic("ent: BusinessCategory is not a transactional entity")
+	}
+	bc.config.driver = _tx.drv
+	return bc
+}
+
+// String implements the fmt.Stringer.
+func (bc *BusinessCategory) String() string {
+	var builder strings.Builder
+	builder.WriteString("BusinessCategory(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", bc.ID))
+	builder.WriteString("slug=")
+	builder.WriteString(bc.Slug)
+	builder.WriteString(", ")
+	builder.WriteString("name=")
+	builder.WriteString(bc.Name)
+	builder.WriteString(", ")
+	builder.WriteString("description=")
+	builder.WriteString(bc.Description)
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// BusinessCategories is a parsable slice of BusinessCategory.
+type BusinessCategories []*BusinessCategory

ent/businesscategory/businesscategory.go

@@ -0,0 +1,105 @@
+// Code generated by ent, DO NOT EDIT.
+
+package businesscategory
+
+import (
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the businesscategory type in the database.
+	Label = "business_category"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldSlug holds the string denoting the slug field in the database.
+	FieldSlug = "slug"
+	// FieldName holds the string denoting the name field in the database.
+	FieldName = "name"
+	// FieldDescription holds the string denoting the description field in the database.
+	FieldDescription = "description"
+	// EdgeBusinesses holds the string denoting the businesses edge name in mutations.
+	EdgeBusinesses = "businesses"
+	// Table holds the table name of the businesscategory in the database.
+	Table = "business_categories"
+	// BusinessesTable is the table that holds the businesses relation/edge. The primary key declared below.
+	BusinessesTable = "business_category_businesses"
+	// BusinessesInverseTable is the table name for the Business entity.
+	// It exists in this package in order to avoid circular dependency with the "business" package.
+	BusinessesInverseTable = "businesses"
+)
+
+// Columns holds all SQL columns for businesscategory fields.
+var Columns = []string{
+	FieldID,
+	FieldSlug,
+	FieldName,
+	FieldDescription,
+}
+
+var (
+	// BusinessesPrimaryKey and BusinessesColumn2 are the table columns denoting the
+	// primary key for the businesses relation (M2M).
+	BusinessesPrimaryKey = []string{"business_category_id", "business_id"}
+)
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// DefaultName holds the default value on creation for the "name" field.
+	DefaultName string
+	// DefaultDescription holds the default value on creation for the "description" field.
+	DefaultDescription string
+)
+
+// OrderOption defines the ordering options for the BusinessCategory queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// BySlug orders the results by the slug field.
+func BySlug(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldSlug, opts...).ToFunc()
+}
+
+// ByName orders the results by the name field.
+func ByName(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldName, opts...).ToFunc()
+}
+
+// ByDescription orders the results by the description field.
+func ByDescription(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldDescription, opts...).ToFunc()
+}
+
+// ByBusinessesCount orders the results by businesses count.
+func ByBusinessesCount(opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborsCount(s, newBusinessesStep(), opts...)
+	}
+}
+
+// ByBusinesses orders the results by businesses terms.
+func ByBusinesses(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newBusinessesStep(), append([]sql.OrderTerm{term}, terms...)...)
+	}
+}
+func newBusinessesStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(BusinessesInverseTable, FieldID),
+		sqlgraph.Edge(sqlgraph.M2M, false, BusinessesTable, BusinessesPrimaryKey...),
+	)
+}

ent/businesscategory/where.go

@@ -0,0 +1,303 @@
+// Code generated by ent, DO NOT EDIT.
+
+package businesscategory
+
+import (
+	"online-order/ent/predicate"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldLTE(FieldID, id))
+}
+
+// Slug applies equality check predicate on the "slug" field. It's identical to SlugEQ.
+func Slug(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEQ(FieldSlug, v))
+}
+
+// Name applies equality check predicate on the "name" field. It's identical to NameEQ.
+func Name(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEQ(FieldName, v))
+}
+
+// Description applies equality check predicate on the "description" field. It's identical to DescriptionEQ.
+func Description(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEQ(FieldDescription, v))
+}
+
+// SlugEQ applies the EQ predicate on the "slug" field.
+func SlugEQ(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEQ(FieldSlug, v))
+}
+
+// SlugNEQ applies the NEQ predicate on the "slug" field.
+func SlugNEQ(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldNEQ(FieldSlug, v))
+}
+
+// SlugIn applies the In predicate on the "slug" field.
+func SlugIn(vs ...string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldIn(FieldSlug, vs...))
+}
+
+// SlugNotIn applies the NotIn predicate on the "slug" field.
+func SlugNotIn(vs ...string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldNotIn(FieldSlug, vs...))
+}
+
+// SlugGT applies the GT predicate on the "slug" field.
+func SlugGT(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldGT(FieldSlug, v))
+}
+
+// SlugGTE applies the GTE predicate on the "slug" field.
+func SlugGTE(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldGTE(FieldSlug, v))
+}
+
+// SlugLT applies the LT predicate on the "slug" field.
+func SlugLT(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldLT(FieldSlug, v))
+}
+
+// SlugLTE applies the LTE predicate on the "slug" field.
+func SlugLTE(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldLTE(FieldSlug, v))
+}
+
+// SlugContains applies the Contains predicate on the "slug" field.
+func SlugContains(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldContains(FieldSlug, v))
+}
+
+// SlugHasPrefix applies the HasPrefix predicate on the "slug" field.
+func SlugHasPrefix(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldHasPrefix(FieldSlug, v))
+}
+
+// SlugHasSuffix applies the HasSuffix predicate on the "slug" field.
+func SlugHasSuffix(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldHasSuffix(FieldSlug, v))
+}
+
+// SlugEqualFold applies the EqualFold predicate on the "slug" field.
+func SlugEqualFold(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEqualFold(FieldSlug, v))
+}
+
+// SlugContainsFold applies the ContainsFold predicate on the "slug" field.
+func SlugContainsFold(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldContainsFold(FieldSlug, v))
+}
+
+// NameEQ applies the EQ predicate on the "name" field.
+func NameEQ(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEQ(FieldName, v))
+}
+
+// NameNEQ applies the NEQ predicate on the "name" field.
+func NameNEQ(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldNEQ(FieldName, v))
+}
+
+// NameIn applies the In predicate on the "name" field.
+func NameIn(vs ...string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldIn(FieldName, vs...))
+}
+
+// NameNotIn applies the NotIn predicate on the "name" field.
+func NameNotIn(vs ...string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldNotIn(FieldName, vs...))
+}
+
+// NameGT applies the GT predicate on the "name" field.
+func NameGT(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldGT(FieldName, v))
+}
+
+// NameGTE applies the GTE predicate on the "name" field.
+func NameGTE(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldGTE(FieldName, v))
+}
+
+// NameLT applies the LT predicate on the "name" field.
+func NameLT(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldLT(FieldName, v))
+}
+
+// NameLTE applies the LTE predicate on the "name" field.
+func NameLTE(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldLTE(FieldName, v))
+}
+
+// NameContains applies the Contains predicate on the "name" field.
+func NameContains(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldContains(FieldName, v))
+}
+
+// NameHasPrefix applies the HasPrefix predicate on the "name" field.
+func NameHasPrefix(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldHasPrefix(FieldName, v))
+}
+
+// NameHasSuffix applies the HasSuffix predicate on the "name" field.
+func NameHasSuffix(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldHasSuffix(FieldName, v))
+}
+
+// NameEqualFold applies the EqualFold predicate on the "name" field.
+func NameEqualFold(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEqualFold(FieldName, v))
+}
+
+// NameContainsFold applies the ContainsFold predicate on the "name" field.
+func NameContainsFold(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldContainsFold(FieldName, v))
+}
+
+// DescriptionEQ applies the EQ predicate on the "description" field.
+func DescriptionEQ(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEQ(FieldDescription, v))
+}
+
+// DescriptionNEQ applies the NEQ predicate on the "description" field.
+func DescriptionNEQ(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldNEQ(FieldDescription, v))
+}
+
+// DescriptionIn applies the In predicate on the "description" field.
+func DescriptionIn(vs ...string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldIn(FieldDescription, vs...))
+}
+
+// DescriptionNotIn applies the NotIn predicate on the "description" field.
+func DescriptionNotIn(vs ...string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldNotIn(FieldDescription, vs...))
+}
+
+// DescriptionGT applies the GT predicate on the "description" field.
+func DescriptionGT(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldGT(FieldDescription, v))
+}
+
+// DescriptionGTE applies the GTE predicate on the "description" field.
+func DescriptionGTE(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldGTE(FieldDescription, v))
+}
+
+// DescriptionLT applies the LT predicate on the "description" field.
+func DescriptionLT(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldLT(FieldDescription, v))
+}
+
+// DescriptionLTE applies the LTE predicate on the "description" field.
+func DescriptionLTE(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldLTE(FieldDescription, v))
+}
+
+// DescriptionContains applies the Contains predicate on the "description" field.
+func DescriptionContains(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldContains(FieldDescription, v))
+}
+
+// DescriptionHasPrefix applies the HasPrefix predicate on the "description" field.
+func DescriptionHasPrefix(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldHasPrefix(FieldDescription, v))
+}
+
+// DescriptionHasSuffix applies the HasSuffix predicate on the "description" field.
+func DescriptionHasSuffix(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldHasSuffix(FieldDescription, v))
+}
+
+// DescriptionEqualFold applies the EqualFold predicate on the "description" field.
+func DescriptionEqualFold(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldEqualFold(FieldDescription, v))
+}
+
+// DescriptionContainsFold applies the ContainsFold predicate on the "description" field.
+func DescriptionContainsFold(v string) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.FieldContainsFold(FieldDescription, v))
+}
+
+// HasBusinesses applies the HasEdge predicate on the "businesses" edge.
+func HasBusinesses() predicate.BusinessCategory {
+	return predicate.BusinessCategory(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, false, BusinessesTable, BusinessesPrimaryKey...),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasBusinessesWith applies the HasEdge predicate on the "businesses" edge with a given conditions (other predicates).
+func HasBusinessesWith(preds ...predicate.Business) predicate.BusinessCategory {
+	return predicate.BusinessCategory(func(s *sql.Selector) {
+		step := newBusinessesStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.BusinessCategory) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.BusinessCategory) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.BusinessCategory) predicate.BusinessCategory {
+	return predicate.BusinessCategory(sql.NotPredicates(p))
+}

ent/businesscategory_create.go

@@ -0,0 +1,271 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"online-order/ent/business"
+	"online-order/ent/businesscategory"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// BusinessCategoryCreate is the builder for creating a BusinessCategory entity.
+type BusinessCategoryCreate struct {
+	config
+	mutation *BusinessCategoryMutation
+	hooks    []Hook
+}
+
+// SetSlug sets the "slug" field.
+func (bcc *BusinessCategoryCreate) SetSlug(s string) *BusinessCategoryCreate {
+	bcc.mutation.SetSlug(s)
+	return bcc
+}
+
+// SetName sets the "name" field.
+func (bcc *BusinessCategoryCreate) SetName(s string) *BusinessCategoryCreate {
+	bcc.mutation.SetName(s)
+	return bcc
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (bcc *BusinessCategoryCreate) SetNillableName(s *string) *BusinessCategoryCreate {
+	if s != nil {
+		bcc.SetName(*s)
+	}
+	return bcc
+}
+
+// SetDescription sets the "description" field.
+func (bcc *BusinessCategoryCreate) SetDescription(s string) *BusinessCategoryCreate {
+	bcc.mutation.SetDescription(s)
+	return bcc
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (bcc *BusinessCategoryCreate) SetNillableDescription(s *string) *BusinessCategoryCreate {
+	if s != nil {
+		bcc.SetDescription(*s)
+	}
+	return bcc
+}
+
+// AddBusinessIDs adds the "businesses" edge to the Business entity by IDs.
+func (bcc *BusinessCategoryCreate) AddBusinessIDs(ids ...int) *BusinessCategoryCreate {
+	bcc.mutation.AddBusinessIDs(ids...)
+	return bcc
+}
+
+// AddBusinesses adds the "businesses" edges to the Business entity.
+func (bcc *BusinessCategoryCreate) AddBusinesses(b ...*Business) *BusinessCategoryCreate {
+	ids := make([]int, len(b))
+	for i := range b {
+		ids[i] = b[i].ID
+	}
+	return bcc.AddBusinessIDs(ids...)
+}
+
+// Mutation returns the BusinessCategoryMutation object of the builder.
+func (bcc *BusinessCategoryCreate) Mutation() *BusinessCategoryMutation {
+	return bcc.mutation
+}
+
+// Save creates the BusinessCategory in the database.
+func (bcc *BusinessCategoryCreate) Save(ctx context.Context) (*BusinessCategory, error) {
+	bcc.defaults()
+	return withHooks(ctx, bcc.sqlSave, bcc.mutation, bcc.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (bcc *BusinessCategoryCreate) SaveX(ctx context.Context) *BusinessCategory {
+	v, err := bcc.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (bcc *BusinessCategoryCreate) Exec(ctx context.Context) error {
+	_, err := bcc.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bcc *BusinessCategoryCreate) ExecX(ctx context.Context) {
+	if err := bcc.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (bcc *BusinessCategoryCreate) defaults() {
+	if _, ok := bcc.mutation.Name(); !ok {
+		v := businesscategory.DefaultName
+		bcc.mutation.SetName(v)
+	}
+	if _, ok := bcc.mutation.Description(); !ok {
+		v := businesscategory.DefaultDescription
+		bcc.mutation.SetDescription(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (bcc *BusinessCategoryCreate) check() error {
+	if _, ok := bcc.mutation.Slug(); !ok {
+		return &ValidationError{Name: "slug", err: errors.New(`ent: missing required field "BusinessCategory.slug"`)}
+	}
+	if _, ok := bcc.mutation.Name(); !ok {
+		return &ValidationError{Name: "name", err: errors.New(`ent: missing required field "BusinessCategory.name"`)}
+	}
+	if _, ok := bcc.mutation.Description(); !ok {
+		return &ValidationError{Name: "description", err: errors.New(`ent: missing required field "BusinessCategory.description"`)}
+	}
+	return nil
+}
+
+func (bcc *BusinessCategoryCreate) sqlSave(ctx context.Context) (*BusinessCategory, error) {
+	if err := bcc.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := bcc.createSpec()
+	if err := sqlgraph.CreateNode(ctx, bcc.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	bcc.mutation.id = &_node.ID
+	bcc.mutation.done = true
+	return _node, nil
+}
+
+func (bcc *BusinessCategoryCreate) createSpec() (*BusinessCategory, *sqlgraph.CreateSpec) {
+	var (
+		_node = &BusinessCategory{config: bcc.config}
+		_spec = sqlgraph.NewCreateSpec(businesscategory.Table, sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt))
+	)
+	if value, ok := bcc.mutation.Slug(); ok {
+		_spec.SetField(businesscategory.FieldSlug, field.TypeString, value)
+		_node.Slug = value
+	}
+	if value, ok := bcc.mutation.Name(); ok {
+		_spec.SetField(businesscategory.FieldName, field.TypeString, value)
+		_node.Name = value
+	}
+	if value, ok := bcc.mutation.Description(); ok {
+		_spec.SetField(businesscategory.FieldDescription, field.TypeString, value)
+		_node.Description = value
+	}
+	if nodes := bcc.mutation.BusinessesIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   businesscategory.BusinessesTable,
+			Columns: businesscategory.BusinessesPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// BusinessCategoryCreateBulk is the builder for creating many BusinessCategory entities in bulk.
+type BusinessCategoryCreateBulk struct {
+	config
+	err      error
+	builders []*BusinessCategoryCreate
+}
+
+// Save creates the BusinessCategory entities in the database.
+func (bccb *BusinessCategoryCreateBulk) Save(ctx context.Context) ([]*BusinessCategory, error) {
+	if bccb.err != nil {
+		return nil, bccb.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(bccb.builders))
+	nodes := make([]*BusinessCategory, len(bccb.builders))
+	mutators := make([]Mutator, len(bccb.builders))
+	for i := range bccb.builders {
+		func(i int, root context.Context) {
+			builder := bccb.builders[i]
+			builder.defaults()
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*BusinessCategoryMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, bccb.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, bccb.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, bccb.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (bccb *BusinessCategoryCreateBulk) SaveX(ctx context.Context) []*BusinessCategory {
+	v, err := bccb.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (bccb *BusinessCategoryCreateBulk) Exec(ctx context.Context) error {
+	_, err := bccb.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bccb *BusinessCategoryCreateBulk) ExecX(ctx context.Context) {
+	if err := bccb.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

ent/businesscategory_delete.go

@@ -0,0 +1,88 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"online-order/ent/businesscategory"
+	"online-order/ent/predicate"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// BusinessCategoryDelete is the builder for deleting a BusinessCategory entity.
+type BusinessCategoryDelete struct {
+	config
+	hooks    []Hook
+	mutation *BusinessCategoryMutation
+}
+
+// Where appends a list predicates to the BusinessCategoryDelete builder.
+func (bcd *BusinessCategoryDelete) Where(ps ...predicate.BusinessCategory) *BusinessCategoryDelete {
+	bcd.mutation.Where(ps...)
+	return bcd
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (bcd *BusinessCategoryDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, bcd.sqlExec, bcd.mutation, bcd.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bcd *BusinessCategoryDelete) ExecX(ctx context.Context) int {
+	n, err := bcd.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (bcd *BusinessCategoryDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(businesscategory.Table, sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt))
+	if ps := bcd.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, bcd.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	bcd.mutation.done = true
+	return affected, err
+}
+
+// BusinessCategoryDeleteOne is the builder for deleting a single BusinessCategory entity.
+type BusinessCategoryDeleteOne struct {
+	bcd *BusinessCategoryDelete
+}
+
+// Where appends a list predicates to the BusinessCategoryDelete builder.
+func (bcdo *BusinessCategoryDeleteOne) Where(ps ...predicate.BusinessCategory) *BusinessCategoryDeleteOne {
+	bcdo.bcd.mutation.Where(ps...)
+	return bcdo
+}
+
+// Exec executes the deletion query.
+func (bcdo *BusinessCategoryDeleteOne) Exec(ctx context.Context) error {
+	n, err := bcdo.bcd.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{businesscategory.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bcdo *BusinessCategoryDeleteOne) ExecX(ctx context.Context) {
+	if err := bcdo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

ent/businesscategory_query.go

@@ -0,0 +1,636 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"database/sql/driver"
+	"fmt"
+	"math"
+	"online-order/ent/business"
+	"online-order/ent/businesscategory"
+	"online-order/ent/predicate"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// BusinessCategoryQuery is the builder for querying BusinessCategory entities.
+type BusinessCategoryQuery struct {
+	config
+	ctx            *QueryContext
+	order          []businesscategory.OrderOption
+	inters         []Interceptor
+	predicates     []predicate.BusinessCategory
+	withBusinesses *BusinessQuery
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the BusinessCategoryQuery builder.
+func (bcq *BusinessCategoryQuery) Where(ps ...predicate.BusinessCategory) *BusinessCategoryQuery {
+	bcq.predicates = append(bcq.predicates, ps...)
+	return bcq
+}
+
+// Limit the number of records to be returned by this query.
+func (bcq *BusinessCategoryQuery) Limit(limit int) *BusinessCategoryQuery {
+	bcq.ctx.Limit = &limit
+	return bcq
+}
+
+// Offset to start from.
+func (bcq *BusinessCategoryQuery) Offset(offset int) *BusinessCategoryQuery {
+	bcq.ctx.Offset = &offset
+	return bcq
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (bcq *BusinessCategoryQuery) Unique(unique bool) *BusinessCategoryQuery {
+	bcq.ctx.Unique = &unique
+	return bcq
+}
+
+// Order specifies how the records should be ordered.
+func (bcq *BusinessCategoryQuery) Order(o ...businesscategory.OrderOption) *BusinessCategoryQuery {
+	bcq.order = append(bcq.order, o...)
+	return bcq
+}
+
+// QueryBusinesses chains the current query on the "businesses" edge.
+func (bcq *BusinessCategoryQuery) QueryBusinesses() *BusinessQuery {
+	query := (&BusinessClient{config: bcq.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := bcq.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := bcq.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(businesscategory.Table, businesscategory.FieldID, selector),
+			sqlgraph.To(business.Table, business.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, false, businesscategory.BusinessesTable, businesscategory.BusinessesPrimaryKey...),
+		)
+		fromU = sqlgraph.SetNeighbors(bcq.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// First returns the first BusinessCategory entity from the query.
+// Returns a *NotFoundError when no BusinessCategory was found.
+func (bcq *BusinessCategoryQuery) First(ctx context.Context) (*BusinessCategory, error) {
+	nodes, err := bcq.Limit(1).All(setContextOp(ctx, bcq.ctx, "First"))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{businesscategory.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (bcq *BusinessCategoryQuery) FirstX(ctx context.Context) *BusinessCategory {
+	node, err := bcq.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first BusinessCategory ID from the query.
+// Returns a *NotFoundError when no BusinessCategory ID was found.
+func (bcq *BusinessCategoryQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = bcq.Limit(1).IDs(setContextOp(ctx, bcq.ctx, "FirstID")); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{businesscategory.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (bcq *BusinessCategoryQuery) FirstIDX(ctx context.Context) int {
+	id, err := bcq.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single BusinessCategory entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one BusinessCategory entity is found.
+// Returns a *NotFoundError when no BusinessCategory entities are found.
+func (bcq *BusinessCategoryQuery) Only(ctx context.Context) (*BusinessCategory, error) {
+	nodes, err := bcq.Limit(2).All(setContextOp(ctx, bcq.ctx, "Only"))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{businesscategory.Label}
+	default:
+		return nil, &NotSingularError{businesscategory.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (bcq *BusinessCategoryQuery) OnlyX(ctx context.Context) *BusinessCategory {
+	node, err := bcq.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only BusinessCategory ID in the query.
+// Returns a *NotSingularError when more than one BusinessCategory ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (bcq *BusinessCategoryQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = bcq.Limit(2).IDs(setContextOp(ctx, bcq.ctx, "OnlyID")); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{businesscategory.Label}
+	default:
+		err = &NotSingularError{businesscategory.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (bcq *BusinessCategoryQuery) OnlyIDX(ctx context.Context) int {
+	id, err := bcq.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of BusinessCategories.
+func (bcq *BusinessCategoryQuery) All(ctx context.Context) ([]*BusinessCategory, error) {
+	ctx = setContextOp(ctx, bcq.ctx, "All")
+	if err := bcq.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*BusinessCategory, *BusinessCategoryQuery]()
+	return withInterceptors[[]*BusinessCategory](ctx, bcq, qr, bcq.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (bcq *BusinessCategoryQuery) AllX(ctx context.Context) []*BusinessCategory {
+	nodes, err := bcq.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of BusinessCategory IDs.
+func (bcq *BusinessCategoryQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if bcq.ctx.Unique == nil && bcq.path != nil {
+		bcq.Unique(true)
+	}
+	ctx = setContextOp(ctx, bcq.ctx, "IDs")
+	if err = bcq.Select(businesscategory.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (bcq *BusinessCategoryQuery) IDsX(ctx context.Context) []int {
+	ids, err := bcq.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (bcq *BusinessCategoryQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, bcq.ctx, "Count")
+	if err := bcq.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, bcq, querierCount[*BusinessCategoryQuery](), bcq.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (bcq *BusinessCategoryQuery) CountX(ctx context.Context) int {
+	count, err := bcq.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (bcq *BusinessCategoryQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, bcq.ctx, "Exist")
+	switch _, err := bcq.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("ent: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (bcq *BusinessCategoryQuery) ExistX(ctx context.Context) bool {
+	exist, err := bcq.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the BusinessCategoryQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (bcq *BusinessCategoryQuery) Clone() *BusinessCategoryQuery {
+	if bcq == nil {
+		return nil
+	}
+	return &BusinessCategoryQuery{
+		config:         bcq.config,
+		ctx:            bcq.ctx.Clone(),
+		order:          append([]businesscategory.OrderOption{}, bcq.order...),
+		inters:         append([]Interceptor{}, bcq.inters...),
+		predicates:     append([]predicate.BusinessCategory{}, bcq.predicates...),
+		withBusinesses: bcq.withBusinesses.Clone(),
+		// clone intermediate query.
+		sql:  bcq.sql.Clone(),
+		path: bcq.path,
+	}
+}
+
+// WithBusinesses tells the query-builder to eager-load the nodes that are connected to
+// the "businesses" edge. The optional arguments are used to configure the query builder of the edge.
+func (bcq *BusinessCategoryQuery) WithBusinesses(opts ...func(*BusinessQuery)) *BusinessCategoryQuery {
+	query := (&BusinessClient{config: bcq.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	bcq.withBusinesses = query
+	return bcq
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Slug string `json:"slug,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.BusinessCategory.Query().
+//		GroupBy(businesscategory.FieldSlug).
+//		Aggregate(ent.Count()).
+//		Scan(ctx, &v)
+func (bcq *BusinessCategoryQuery) GroupBy(field string, fields ...string) *BusinessCategoryGroupBy {
+	bcq.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &BusinessCategoryGroupBy{build: bcq}
+	grbuild.flds = &bcq.ctx.Fields
+	grbuild.label = businesscategory.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Slug string `json:"slug,omitempty"`
+//	}
+//
+//	client.BusinessCategory.Query().
+//		Select(businesscategory.FieldSlug).
+//		Scan(ctx, &v)
+func (bcq *BusinessCategoryQuery) Select(fields ...string) *BusinessCategorySelect {
+	bcq.ctx.Fields = append(bcq.ctx.Fields, fields...)
+	sbuild := &BusinessCategorySelect{BusinessCategoryQuery: bcq}
+	sbuild.label = businesscategory.Label
+	sbuild.flds, sbuild.scan = &bcq.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a BusinessCategorySelect configured with the given aggregations.
+func (bcq *BusinessCategoryQuery) Aggregate(fns ...AggregateFunc) *BusinessCategorySelect {
+	return bcq.Select().Aggregate(fns...)
+}
+
+func (bcq *BusinessCategoryQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range bcq.inters {
+		if inter == nil {
+			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, bcq); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range bcq.ctx.Fields {
+		if !businesscategory.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+		}
+	}
+	if bcq.path != nil {
+		prev, err := bcq.path(ctx)
+		if err != nil {
+			return err
+		}
+		bcq.sql = prev
+	}
+	return nil
+}
+
+func (bcq *BusinessCategoryQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*BusinessCategory, error) {
+	var (
+		nodes       = []*BusinessCategory{}
+		_spec       = bcq.querySpec()
+		loadedTypes = [1]bool{
+			bcq.withBusinesses != nil,
+		}
+	)
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*BusinessCategory).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &BusinessCategory{config: bcq.config}
+		nodes = append(nodes, node)
+		node.Edges.loadedTypes = loadedTypes
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, bcq.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	if query := bcq.withBusinesses; query != nil {
+		if err := bcq.loadBusinesses(ctx, query, nodes,
+			func(n *BusinessCategory) { n.Edges.Businesses = []*Business{} },
+			func(n *BusinessCategory, e *Business) { n.Edges.Businesses = append(n.Edges.Businesses, e) }); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+func (bcq *BusinessCategoryQuery) loadBusinesses(ctx context.Context, query *BusinessQuery, nodes []*BusinessCategory, init func(*BusinessCategory), assign func(*BusinessCategory, *Business)) error {
+	edgeIDs := make([]driver.Value, len(nodes))
+	byID := make(map[int]*BusinessCategory)
+	nids := make(map[int]map[*BusinessCategory]struct{})
+	for i, node := range nodes {
+		edgeIDs[i] = node.ID
+		byID[node.ID] = node
+		if init != nil {
+			init(node)
+		}
+	}
+	query.Where(func(s *sql.Selector) {
+		joinT := sql.Table(businesscategory.BusinessesTable)
+		s.Join(joinT).On(s.C(business.FieldID), joinT.C(businesscategory.BusinessesPrimaryKey[1]))
+		s.Where(sql.InValues(joinT.C(businesscategory.BusinessesPrimaryKey[0]), edgeIDs...))
+		columns := s.SelectedColumns()
+		s.Select(joinT.C(businesscategory.BusinessesPrimaryKey[0]))
+		s.AppendSelect(columns...)
+		s.SetDistinct(false)
+	})
+	if err := query.prepareQuery(ctx); err != nil {
+		return err
+	}
+	qr := QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		return query.sqlAll(ctx, func(_ context.Context, spec *sqlgraph.QuerySpec) {
+			assign := spec.Assign
+			values := spec.ScanValues
+			spec.ScanValues = func(columns []string) ([]any, error) {
+				values, err := values(columns[1:])
+				if err != nil {
+					return nil, err
+				}
+				return append([]any{new(sql.NullInt64)}, values...), nil
+			}
+			spec.Assign = func(columns []string, values []any) error {
+				outValue := int(values[0].(*sql.NullInt64).Int64)
+				inValue := int(values[1].(*sql.NullInt64).Int64)
+				if nids[inValue] == nil {
+					nids[inValue] = map[*BusinessCategory]struct{}{byID[outValue]: {}}
+					return assign(columns[1:], values[1:])
+				}
+				nids[inValue][byID[outValue]] = struct{}{}
+				return nil
+			}
+		})
+	})
+	neighbors, err := withInterceptors[[]*Business](ctx, query, qr, query.inters)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected "businesses" node returned %v`, n.ID)
+		}
+		for kn := range nodes {
+			assign(kn, n)
+		}
+	}
+	return nil
+}
+
+func (bcq *BusinessCategoryQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := bcq.querySpec()
+	_spec.Node.Columns = bcq.ctx.Fields
+	if len(bcq.ctx.Fields) > 0 {
+		_spec.Unique = bcq.ctx.Unique != nil && *bcq.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, bcq.driver, _spec)
+}
+
+func (bcq *BusinessCategoryQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(businesscategory.Table, businesscategory.Columns, sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt))
+	_spec.From = bcq.sql
+	if unique := bcq.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if bcq.path != nil {
+		_spec.Unique = true
+	}
+	if fields := bcq.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, businesscategory.FieldID)
+		for i := range fields {
+			if fields[i] != businesscategory.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := bcq.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := bcq.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := bcq.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := bcq.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (bcq *BusinessCategoryQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(bcq.driver.Dialect())
+	t1 := builder.Table(businesscategory.Table)
+	columns := bcq.ctx.Fields
+	if len(columns) == 0 {
+		columns = businesscategory.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if bcq.sql != nil {
+		selector = bcq.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if bcq.ctx.Unique != nil && *bcq.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range bcq.predicates {
+		p(selector)
+	}
+	for _, p := range bcq.order {
+		p(selector)
+	}
+	if offset := bcq.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := bcq.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// BusinessCategoryGroupBy is the group-by builder for BusinessCategory entities.
+type BusinessCategoryGroupBy struct {
+	selector
+	build *BusinessCategoryQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (bcgb *BusinessCategoryGroupBy) Aggregate(fns ...AggregateFunc) *BusinessCategoryGroupBy {
+	bcgb.fns = append(bcgb.fns, fns...)
+	return bcgb
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (bcgb *BusinessCategoryGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, bcgb.build.ctx, "GroupBy")
+	if err := bcgb.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*BusinessCategoryQuery, *BusinessCategoryGroupBy](ctx, bcgb.build, bcgb, bcgb.build.inters, v)
+}
+
+func (bcgb *BusinessCategoryGroupBy) sqlScan(ctx context.Context, root *BusinessCategoryQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(bcgb.fns))
+	for _, fn := range bcgb.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*bcgb.flds)+len(bcgb.fns))
+		for _, f := range *bcgb.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*bcgb.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := bcgb.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// BusinessCategorySelect is the builder for selecting fields of BusinessCategory entities.
+type BusinessCategorySelect struct {
+	*BusinessCategoryQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (bcs *BusinessCategorySelect) Aggregate(fns ...AggregateFunc) *BusinessCategorySelect {
+	bcs.fns = append(bcs.fns, fns...)
+	return bcs
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (bcs *BusinessCategorySelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, bcs.ctx, "Select")
+	if err := bcs.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*BusinessCategoryQuery, *BusinessCategorySelect](ctx, bcs.BusinessCategoryQuery, bcs, bcs.inters, v)
+}
+
+func (bcs *BusinessCategorySelect) sqlScan(ctx context.Context, root *BusinessCategoryQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(bcs.fns))
+	for _, fn := range bcs.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*bcs.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := bcs.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}

ent/businesscategory_update.go

@@ -0,0 +1,424 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"online-order/ent/business"
+	"online-order/ent/businesscategory"
+	"online-order/ent/predicate"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// BusinessCategoryUpdate is the builder for updating BusinessCategory entities.
+type BusinessCategoryUpdate struct {
+	config
+	hooks    []Hook
+	mutation *BusinessCategoryMutation
+}
+
+// Where appends a list predicates to the BusinessCategoryUpdate builder.
+func (bcu *BusinessCategoryUpdate) Where(ps ...predicate.BusinessCategory) *BusinessCategoryUpdate {
+	bcu.mutation.Where(ps...)
+	return bcu
+}
+
+// SetSlug sets the "slug" field.
+func (bcu *BusinessCategoryUpdate) SetSlug(s string) *BusinessCategoryUpdate {
+	bcu.mutation.SetSlug(s)
+	return bcu
+}
+
+// SetName sets the "name" field.
+func (bcu *BusinessCategoryUpdate) SetName(s string) *BusinessCategoryUpdate {
+	bcu.mutation.SetName(s)
+	return bcu
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (bcu *BusinessCategoryUpdate) SetNillableName(s *string) *BusinessCategoryUpdate {
+	if s != nil {
+		bcu.SetName(*s)
+	}
+	return bcu
+}
+
+// SetDescription sets the "description" field.
+func (bcu *BusinessCategoryUpdate) SetDescription(s string) *BusinessCategoryUpdate {
+	bcu.mutation.SetDescription(s)
+	return bcu
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (bcu *BusinessCategoryUpdate) SetNillableDescription(s *string) *BusinessCategoryUpdate {
+	if s != nil {
+		bcu.SetDescription(*s)
+	}
+	return bcu
+}
+
+// AddBusinessIDs adds the "businesses" edge to the Business entity by IDs.
+func (bcu *BusinessCategoryUpdate) AddBusinessIDs(ids ...int) *BusinessCategoryUpdate {
+	bcu.mutation.AddBusinessIDs(ids...)
+	return bcu
+}
+
+// AddBusinesses adds the "businesses" edges to the Business entity.
+func (bcu *BusinessCategoryUpdate) AddBusinesses(b ...*Business) *BusinessCategoryUpdate {
+	ids := make([]int, len(b))
+	for i := range b {
+		ids[i] = b[i].ID
+	}
+	return bcu.AddBusinessIDs(ids...)
+}
+
+// Mutation returns the BusinessCategoryMutation object of the builder.
+func (bcu *BusinessCategoryUpdate) Mutation() *BusinessCategoryMutation {
+	return bcu.mutation
+}
+
+// ClearBusinesses clears all "businesses" edges to the Business entity.
+func (bcu *BusinessCategoryUpdate) ClearBusinesses() *BusinessCategoryUpdate {
+	bcu.mutation.ClearBusinesses()
+	return bcu
+}
+
+// RemoveBusinessIDs removes the "businesses" edge to Business entities by IDs.
+func (bcu *BusinessCategoryUpdate) RemoveBusinessIDs(ids ...int) *BusinessCategoryUpdate {
+	bcu.mutation.RemoveBusinessIDs(ids...)
+	return bcu
+}
+
+// RemoveBusinesses removes "businesses" edges to Business entities.
+func (bcu *BusinessCategoryUpdate) RemoveBusinesses(b ...*Business) *BusinessCategoryUpdate {
+	ids := make([]int, len(b))
+	for i := range b {
+		ids[i] = b[i].ID
+	}
+	return bcu.RemoveBusinessIDs(ids...)
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (bcu *BusinessCategoryUpdate) Save(ctx context.Context) (int, error) {
+	return withHooks(ctx, bcu.sqlSave, bcu.mutation, bcu.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (bcu *BusinessCategoryUpdate) SaveX(ctx context.Context) int {
+	affected, err := bcu.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (bcu *BusinessCategoryUpdate) Exec(ctx context.Context) error {
+	_, err := bcu.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bcu *BusinessCategoryUpdate) ExecX(ctx context.Context) {
+	if err := bcu.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (bcu *BusinessCategoryUpdate) sqlSave(ctx context.Context) (n int, err error) {
+	_spec := sqlgraph.NewUpdateSpec(businesscategory.Table, businesscategory.Columns, sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt))
+	if ps := bcu.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := bcu.mutation.Slug(); ok {
+		_spec.SetField(businesscategory.FieldSlug, field.TypeString, value)
+	}
+	if value, ok := bcu.mutation.Name(); ok {
+		_spec.SetField(businesscategory.FieldName, field.TypeString, value)
+	}
+	if value, ok := bcu.mutation.Description(); ok {
+		_spec.SetField(businesscategory.FieldDescription, field.TypeString, value)
+	}
+	if bcu.mutation.BusinessesCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   businesscategory.BusinessesTable,
+			Columns: businesscategory.BusinessesPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := bcu.mutation.RemovedBusinessesIDs(); len(nodes) > 0 && !bcu.mutation.BusinessesCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   businesscategory.BusinessesTable,
+			Columns: businesscategory.BusinessesPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := bcu.mutation.BusinessesIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   businesscategory.BusinessesTable,
+			Columns: businesscategory.BusinessesPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if n, err = sqlgraph.UpdateNodes(ctx, bcu.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{businesscategory.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	bcu.mutation.done = true
+	return n, nil
+}
+
+// BusinessCategoryUpdateOne is the builder for updating a single BusinessCategory entity.
+type BusinessCategoryUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *BusinessCategoryMutation
+}
+
+// SetSlug sets the "slug" field.
+func (bcuo *BusinessCategoryUpdateOne) SetSlug(s string) *BusinessCategoryUpdateOne {
+	bcuo.mutation.SetSlug(s)
+	return bcuo
+}
+
+// SetName sets the "name" field.
+func (bcuo *BusinessCategoryUpdateOne) SetName(s string) *BusinessCategoryUpdateOne {
+	bcuo.mutation.SetName(s)
+	return bcuo
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (bcuo *BusinessCategoryUpdateOne) SetNillableName(s *string) *BusinessCategoryUpdateOne {
+	if s != nil {
+		bcuo.SetName(*s)
+	}
+	return bcuo
+}
+
+// SetDescription sets the "description" field.
+func (bcuo *BusinessCategoryUpdateOne) SetDescription(s string) *BusinessCategoryUpdateOne {
+	bcuo.mutation.SetDescription(s)
+	return bcuo
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (bcuo *BusinessCategoryUpdateOne) SetNillableDescription(s *string) *BusinessCategoryUpdateOne {
+	if s != nil {
+		bcuo.SetDescription(*s)
+	}
+	return bcuo
+}
+
+// AddBusinessIDs adds the "businesses" edge to the Business entity by IDs.
+func (bcuo *BusinessCategoryUpdateOne) AddBusinessIDs(ids ...int) *BusinessCategoryUpdateOne {
+	bcuo.mutation.AddBusinessIDs(ids...)
+	return bcuo
+}
+
+// AddBusinesses adds the "businesses" edges to the Business entity.
+func (bcuo *BusinessCategoryUpdateOne) AddBusinesses(b ...*Business) *BusinessCategoryUpdateOne {
+	ids := make([]int, len(b))
+	for i := range b {
+		ids[i] = b[i].ID
+	}
+	return bcuo.AddBusinessIDs(ids...)
+}
+
+// Mutation returns the BusinessCategoryMutation object of the builder.
+func (bcuo *BusinessCategoryUpdateOne) Mutation() *BusinessCategoryMutation {
+	return bcuo.mutation
+}
+
+// ClearBusinesses clears all "businesses" edges to the Business entity.
+func (bcuo *BusinessCategoryUpdateOne) ClearBusinesses() *BusinessCategoryUpdateOne {
+	bcuo.mutation.ClearBusinesses()
+	return bcuo
+}
+
+// RemoveBusinessIDs removes the "businesses" edge to Business entities by IDs.
+func (bcuo *BusinessCategoryUpdateOne) RemoveBusinessIDs(ids ...int) *BusinessCategoryUpdateOne {
+	bcuo.mutation.RemoveBusinessIDs(ids...)
+	return bcuo
+}
+
+// RemoveBusinesses removes "businesses" edges to Business entities.
+func (bcuo *BusinessCategoryUpdateOne) RemoveBusinesses(b ...*Business) *BusinessCategoryUpdateOne {
+	ids := make([]int, len(b))
+	for i := range b {
+		ids[i] = b[i].ID
+	}
+	return bcuo.RemoveBusinessIDs(ids...)
+}
+
+// Where appends a list predicates to the BusinessCategoryUpdate builder.
+func (bcuo *BusinessCategoryUpdateOne) Where(ps ...predicate.BusinessCategory) *BusinessCategoryUpdateOne {
+	bcuo.mutation.Where(ps...)
+	return bcuo
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (bcuo *BusinessCategoryUpdateOne) Select(field string, fields ...string) *BusinessCategoryUpdateOne {
+	bcuo.fields = append([]string{field}, fields...)
+	return bcuo
+}
+
+// Save executes the query and returns the updated BusinessCategory entity.
+func (bcuo *BusinessCategoryUpdateOne) Save(ctx context.Context) (*BusinessCategory, error) {
+	return withHooks(ctx, bcuo.sqlSave, bcuo.mutation, bcuo.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (bcuo *BusinessCategoryUpdateOne) SaveX(ctx context.Context) *BusinessCategory {
+	node, err := bcuo.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (bcuo *BusinessCategoryUpdateOne) Exec(ctx context.Context) error {
+	_, err := bcuo.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (bcuo *BusinessCategoryUpdateOne) ExecX(ctx context.Context) {
+	if err := bcuo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (bcuo *BusinessCategoryUpdateOne) sqlSave(ctx context.Context) (_node *BusinessCategory, err error) {
+	_spec := sqlgraph.NewUpdateSpec(businesscategory.Table, businesscategory.Columns, sqlgraph.NewFieldSpec(businesscategory.FieldID, field.TypeInt))
+	id, ok := bcuo.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "BusinessCategory.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := bcuo.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, businesscategory.FieldID)
+		for _, f := range fields {
+			if !businesscategory.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+			}
+			if f != businesscategory.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := bcuo.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := bcuo.mutation.Slug(); ok {
+		_spec.SetField(businesscategory.FieldSlug, field.TypeString, value)
+	}
+	if value, ok := bcuo.mutation.Name(); ok {
+		_spec.SetField(businesscategory.FieldName, field.TypeString, value)
+	}
+	if value, ok := bcuo.mutation.Description(); ok {
+		_spec.SetField(businesscategory.FieldDescription, field.TypeString, value)
+	}
+	if bcuo.mutation.BusinessesCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   businesscategory.BusinessesTable,
+			Columns: businesscategory.BusinessesPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := bcuo.mutation.RemovedBusinessesIDs(); len(nodes) > 0 && !bcuo.mutation.BusinessesCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   businesscategory.BusinessesTable,
+			Columns: businesscategory.BusinessesPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := bcuo.mutation.BusinessesIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   businesscategory.BusinessesTable,
+			Columns: businesscategory.BusinessesPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(business.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	_node = &BusinessCategory{config: bcuo.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, bcuo.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{businesscategory.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	bcuo.mutation.done = true
+	return _node, nil
+}

ent/client.go

@@ -0,0 +1,830 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+	"reflect"
+
+	"online-order/ent/migrate"
+
+	"online-order/ent/business"
+	"online-order/ent/businesscategory"
+	"online-order/ent/product"
+	"online-order/ent/productcategory"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// Client is the client that holds all ent builders.
+type Client struct {
+	config
+	// Schema is the client for creating, migrating and dropping schema.
+	Schema *migrate.Schema
+	// Business is the client for interacting with the Business builders.
+	Business *BusinessClient
+	// BusinessCategory is the client for interacting with the BusinessCategory builders.
+	BusinessCategory *BusinessCategoryClient
+	// Product is the client for interacting with the Product builders.
+	Product *ProductClient
+	// ProductCategory is the client for interacting with the ProductCategory builders.
+	ProductCategory *ProductCategoryClient
+}
+
+// NewClient creates a new client configured with the given options.
+func NewClient(opts ...Option) *Client {
+	cfg := config{log: log.Println, hooks: &hooks{}, inters: &inters{}}
+	cfg.options(opts...)
+	client := &Client{config: cfg}
+	client.init()
+	return client
+}
+
+func (c *Client) init() {
+	c.Schema = migrate.NewSchema(c.driver)
+	c.Business = NewBusinessClient(c.config)
+	c.BusinessCategory = NewBusinessCategoryClient(c.config)
+	c.Product = NewProductClient(c.config)
+	c.ProductCategory = NewProductCategoryClient(c.config)
+}
+
+type (
+	// config is the configuration for the client and its builder.
+	config struct {
+		// driver used for executing database requests.
+		driver dialect.Driver
+		// debug enable a debug logging.
+		debug bool
+		// log used for logging on debug mode.
+		log func(...any)
+		// hooks to execute on mutations.
+		hooks *hooks
+		// interceptors to execute on queries.
+		inters *inters
+	}
+	// Option function to configure the client.
+	Option func(*config)
+)
+
+// options applies the options on the config object.
+func (c *config) options(opts ...Option) {
+	for _, opt := range opts {
+		opt(c)
+	}
+	if c.debug {
+		c.driver = dialect.Debug(c.driver, c.log)
+	}
+}
+
+// Debug enables debug logging on the ent.Driver.
+func Debug() Option {
+	return func(c *config) {
+		c.debug = true
+	}
+}
+
+// Log sets the logging function for debug mode.
+func Log(fn func(...any)) Option {
+	return func(c *config) {
+		c.log = fn
+	}
+}
+
+// Driver configures the client driver.
+func Driver(driver dialect.Driver) Option {
+	return func(c *config) {
+		c.driver = driver
+	}
+}
+
+// Open opens a database/sql.DB specified by the driver name and
+// the data source name, and returns a new client attached to it.
+// Optional parameters can be added for configuring the client.
+func Open(driverName, dataSourceName string, options ...Option) (*Client, error) {
+	switch driverName {
+	case dialect.MySQL, dialect.Postgres, dialect.SQLite:
+		drv, err := sql.Open(driverName, dataSourceName)
+		if err != nil {
+			return nil, err
+		}
+		return NewClient(append(options, Driver(drv))...), nil
+	default:
+		return nil, fmt.Errorf("unsupported driver: %q", driverName)
+	}
+}
+
+// ErrTxStarted is returned when trying to start a new transaction from a transactional client.
+var ErrTxStarted = errors.New("ent: cannot start a transaction within a transaction")
+
+// Tx returns a new transactional client. The provided context
+// is used until the transaction is committed or rolled back.
+func (c *Client) Tx(ctx context.Context) (*Tx, error) {
+	if _, ok := c.driver.(*txDriver); ok {
+		return nil, ErrTxStarted
+	}
+	tx, err := newTx(ctx, c.driver)
+	if err != nil {
+		return nil, fmt.Errorf("ent: starting a transaction: %w", err)
+	}
+	cfg := c.config
+	cfg.driver = tx
+	return &Tx{
+		ctx:              ctx,
+		config:           cfg,
+		Business:         NewBusinessClient(cfg),
+		BusinessCategory: NewBusinessCategoryClient(cfg),
+		Product:          NewProductClient(cfg),
+		ProductCategory:  NewProductCategoryClient(cfg),
+	}, nil
+}
+
+// BeginTx returns a transactional client with specified options.
+func (c *Client) BeginTx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
+	if _, ok := c.driver.(*txDriver); ok {
+		return nil, errors.New("ent: cannot start a transaction within a transaction")
+	}
+	tx, err := c.driver.(interface {
+		BeginTx(context.Context, *sql.TxOptions) (dialect.Tx, error)
+	}).BeginTx(ctx, opts)
+	if err != nil {
+		return nil, fmt.Errorf("ent: starting a transaction: %w", err)
+	}
+	cfg := c.config
+	cfg.driver = &txDriver{tx: tx, drv: c.driver}
+	return &Tx{
+		ctx:              ctx,
+		config:           cfg,
+		Business:         NewBusinessClient(cfg),
+		BusinessCategory: NewBusinessCategoryClient(cfg),
+		Product:          NewProductClient(cfg),
+		ProductCategory:  NewProductCategoryClient(cfg),
+	}, nil
+}
+
+// Debug returns a new debug-client. It's used to get verbose logging on specific operations.
+//
+//	client.Debug().
+//		Business.
+//		Query().
+//		Count(ctx)
+func (c *Client) Debug() *Client {
+	if c.debug {
+		return c
+	}
+	cfg := c.config
+	cfg.driver = dialect.Debug(c.driver, c.log)
+	client := &Client{config: cfg}
+	client.init()
+	return client
+}
+
+// Close closes the database connection and prevents new queries from starting.
+func (c *Client) Close() error {
+	return c.driver.Close()
+}
+
+// Use adds the mutation hooks to all the entity clients.
+// In order to add hooks to a specific client, call: `client.Node.Use(...)`.
+func (c *Client) Use(hooks ...Hook) {
+	c.Business.Use(hooks...)
+	c.BusinessCategory.Use(hooks...)
+	c.Product.Use(hooks...)
+	c.ProductCategory.Use(hooks...)
+}
+
+// Intercept adds the query interceptors to all the entity clients.
+// In order to add interceptors to a specific client, call: `client.Node.Intercept(...)`.
+func (c *Client) Intercept(interceptors ...Interceptor) {
+	c.Business.Intercept(interceptors...)
+	c.BusinessCategory.Intercept(interceptors...)
+	c.Product.Intercept(interceptors...)
+	c.ProductCategory.Intercept(interceptors...)
+}
+
+// Mutate implements the ent.Mutator interface.
+func (c *Client) Mutate(ctx context.Context, m Mutation) (Value, error) {
+	switch m := m.(type) {
+	case *BusinessMutation:
+		return c.Business.mutate(ctx, m)
+	case *BusinessCategoryMutation:
+		return c.BusinessCategory.mutate(ctx, m)
+	case *ProductMutation:
+		return c.Product.mutate(ctx, m)
+	case *ProductCategoryMutation:
+		return c.ProductCategory.mutate(ctx, m)
+	default:
+		return nil, fmt.Errorf("ent: unknown mutation type %T", m)
+	}
+}
+
+// BusinessClient is a client for the Business schema.
+type BusinessClient struct {
+	config
+}
+
+// NewBusinessClient returns a client for the Business from the given config.
+func NewBusinessClient(c config) *BusinessClient {
+	return &BusinessClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `business.Hooks(f(g(h())))`.
+func (c *BusinessClient) Use(hooks ...Hook) {
+	c.hooks.Business = append(c.hooks.Business, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `business.Intercept(f(g(h())))`.
+func (c *BusinessClient) Intercept(interceptors ...Interceptor) {
+	c.inters.Business = append(c.inters.Business, interceptors...)
+}
+
+// Create returns a builder for creating a Business entity.
+func (c *BusinessClient) Create() *BusinessCreate {
+	mutation := newBusinessMutation(c.config, OpCreate)
+	return &BusinessCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of Business entities.
+func (c *BusinessClient) CreateBulk(builders ...*BusinessCreate) *BusinessCreateBulk {
+	return &BusinessCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *BusinessClient) MapCreateBulk(slice any, setFunc func(*BusinessCreate, int)) *BusinessCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &BusinessCreateBulk{err: fmt.Errorf("calling to BusinessClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*BusinessCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &BusinessCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for Business.
+func (c *BusinessClient) Update() *BusinessUpdate {
+	mutation := newBusinessMutation(c.config, OpUpdate)
+	return &BusinessUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *BusinessClient) UpdateOne(b *Business) *BusinessUpdateOne {
+	mutation := newBusinessMutation(c.config, OpUpdateOne, withBusiness(b))
+	return &BusinessUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *BusinessClient) UpdateOneID(id int) *BusinessUpdateOne {
+	mutation := newBusinessMutation(c.config, OpUpdateOne, withBusinessID(id))
+	return &BusinessUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for Business.
+func (c *BusinessClient) Delete() *BusinessDelete {
+	mutation := newBusinessMutation(c.config, OpDelete)
+	return &BusinessDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *BusinessClient) DeleteOne(b *Business) *BusinessDeleteOne {
+	return c.DeleteOneID(b.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *BusinessClient) DeleteOneID(id int) *BusinessDeleteOne {
+	builder := c.Delete().Where(business.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.op = OpDeleteOne
+	return &BusinessDeleteOne{builder}
+}
+
+// Query returns a query builder for Business.
+func (c *BusinessClient) Query() *BusinessQuery {
+	return &BusinessQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeBusiness},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a Business entity by its id.
+func (c *BusinessClient) Get(ctx context.Context, id int) (*Business, error) {
+	return c.Query().Where(business.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *BusinessClient) GetX(ctx context.Context, id int) *Business {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// QueryBusinessCategory queries the businessCategory edge of a Business.
+func (c *BusinessClient) QueryBusinessCategory(b *Business) *BusinessCategoryQuery {
+	query := (&BusinessCategoryClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := b.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(business.Table, business.FieldID, id),
+			sqlgraph.To(businesscategory.Table, businesscategory.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, true, business.BusinessCategoryTable, business.BusinessCategoryPrimaryKey...),
+		)
+		fromV = sqlgraph.Neighbors(b.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// Hooks returns the client hooks.
+func (c *BusinessClient) Hooks() []Hook {
+	return c.hooks.Business
+}
+
+// Interceptors returns the client interceptors.
+func (c *BusinessClient) Interceptors() []Interceptor {
+	return c.inters.Business
+}
+
+func (c *BusinessClient) mutate(ctx context.Context, m *BusinessMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&BusinessCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&BusinessUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&BusinessUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&BusinessDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Business mutation op: %q", m.Op())
+	}
+}
+
+// BusinessCategoryClient is a client for the BusinessCategory schema.
+type BusinessCategoryClient struct {
+	config
+}
+
+// NewBusinessCategoryClient returns a client for the BusinessCategory from the given config.
+func NewBusinessCategoryClient(c config) *BusinessCategoryClient {
+	return &BusinessCategoryClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `businesscategory.Hooks(f(g(h())))`.
+func (c *BusinessCategoryClient) Use(hooks ...Hook) {
+	c.hooks.BusinessCategory = append(c.hooks.BusinessCategory, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `businesscategory.Intercept(f(g(h())))`.
+func (c *BusinessCategoryClient) Intercept(interceptors ...Interceptor) {
+	c.inters.BusinessCategory = append(c.inters.BusinessCategory, interceptors...)
+}
+
+// Create returns a builder for creating a BusinessCategory entity.
+func (c *BusinessCategoryClient) Create() *BusinessCategoryCreate {
+	mutation := newBusinessCategoryMutation(c.config, OpCreate)
+	return &BusinessCategoryCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of BusinessCategory entities.
+func (c *BusinessCategoryClient) CreateBulk(builders ...*BusinessCategoryCreate) *BusinessCategoryCreateBulk {
+	return &BusinessCategoryCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *BusinessCategoryClient) MapCreateBulk(slice any, setFunc func(*BusinessCategoryCreate, int)) *BusinessCategoryCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &BusinessCategoryCreateBulk{err: fmt.Errorf("calling to BusinessCategoryClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*BusinessCategoryCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &BusinessCategoryCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for BusinessCategory.
+func (c *BusinessCategoryClient) Update() *BusinessCategoryUpdate {
+	mutation := newBusinessCategoryMutation(c.config, OpUpdate)
+	return &BusinessCategoryUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *BusinessCategoryClient) UpdateOne(bc *BusinessCategory) *BusinessCategoryUpdateOne {
+	mutation := newBusinessCategoryMutation(c.config, OpUpdateOne, withBusinessCategory(bc))
+	return &BusinessCategoryUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *BusinessCategoryClient) UpdateOneID(id int) *BusinessCategoryUpdateOne {
+	mutation := newBusinessCategoryMutation(c.config, OpUpdateOne, withBusinessCategoryID(id))
+	return &BusinessCategoryUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for BusinessCategory.
+func (c *BusinessCategoryClient) Delete() *BusinessCategoryDelete {
+	mutation := newBusinessCategoryMutation(c.config, OpDelete)
+	return &BusinessCategoryDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *BusinessCategoryClient) DeleteOne(bc *BusinessCategory) *BusinessCategoryDeleteOne {
+	return c.DeleteOneID(bc.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *BusinessCategoryClient) DeleteOneID(id int) *BusinessCategoryDeleteOne {
+	builder := c.Delete().Where(businesscategory.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.op = OpDeleteOne
+	return &BusinessCategoryDeleteOne{builder}
+}
+
+// Query returns a query builder for BusinessCategory.
+func (c *BusinessCategoryClient) Query() *BusinessCategoryQuery {
+	return &BusinessCategoryQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeBusinessCategory},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a BusinessCategory entity by its id.
+func (c *BusinessCategoryClient) Get(ctx context.Context, id int) (*BusinessCategory, error) {
+	return c.Query().Where(businesscategory.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *BusinessCategoryClient) GetX(ctx context.Context, id int) *BusinessCategory {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// QueryBusinesses queries the businesses edge of a BusinessCategory.
+func (c *BusinessCategoryClient) QueryBusinesses(bc *BusinessCategory) *BusinessQuery {
+	query := (&BusinessClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := bc.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(businesscategory.Table, businesscategory.FieldID, id),
+			sqlgraph.To(business.Table, business.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, false, businesscategory.BusinessesTable, businesscategory.BusinessesPrimaryKey...),
+		)
+		fromV = sqlgraph.Neighbors(bc.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// Hooks returns the client hooks.
+func (c *BusinessCategoryClient) Hooks() []Hook {
+	return c.hooks.BusinessCategory
+}
+
+// Interceptors returns the client interceptors.
+func (c *BusinessCategoryClient) Interceptors() []Interceptor {
+	return c.inters.BusinessCategory
+}
+
+func (c *BusinessCategoryClient) mutate(ctx context.Context, m *BusinessCategoryMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&BusinessCategoryCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&BusinessCategoryUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&BusinessCategoryUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&BusinessCategoryDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown BusinessCategory mutation op: %q", m.Op())
+	}
+}
+
+// ProductClient is a client for the Product schema.
+type ProductClient struct {
+	config
+}
+
+// NewProductClient returns a client for the Product from the given config.
+func NewProductClient(c config) *ProductClient {
+	return &ProductClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `product.Hooks(f(g(h())))`.
+func (c *ProductClient) Use(hooks ...Hook) {
+	c.hooks.Product = append(c.hooks.Product, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `product.Intercept(f(g(h())))`.
+func (c *ProductClient) Intercept(interceptors ...Interceptor) {
+	c.inters.Product = append(c.inters.Product, interceptors...)
+}
+
+// Create returns a builder for creating a Product entity.
+func (c *ProductClient) Create() *ProductCreate {
+	mutation := newProductMutation(c.config, OpCreate)
+	return &ProductCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of Product entities.
+func (c *ProductClient) CreateBulk(builders ...*ProductCreate) *ProductCreateBulk {
+	return &ProductCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *ProductClient) MapCreateBulk(slice any, setFunc func(*ProductCreate, int)) *ProductCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &ProductCreateBulk{err: fmt.Errorf("calling to ProductClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*ProductCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &ProductCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for Product.
+func (c *ProductClient) Update() *ProductUpdate {
+	mutation := newProductMutation(c.config, OpUpdate)
+	return &ProductUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *ProductClient) UpdateOne(pr *Product) *ProductUpdateOne {
+	mutation := newProductMutation(c.config, OpUpdateOne, withProduct(pr))
+	return &ProductUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *ProductClient) UpdateOneID(id int) *ProductUpdateOne {
+	mutation := newProductMutation(c.config, OpUpdateOne, withProductID(id))
+	return &ProductUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for Product.
+func (c *ProductClient) Delete() *ProductDelete {
+	mutation := newProductMutation(c.config, OpDelete)
+	return &ProductDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *ProductClient) DeleteOne(pr *Product) *ProductDeleteOne {
+	return c.DeleteOneID(pr.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *ProductClient) DeleteOneID(id int) *ProductDeleteOne {
+	builder := c.Delete().Where(product.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.op = OpDeleteOne
+	return &ProductDeleteOne{builder}
+}
+
+// Query returns a query builder for Product.
+func (c *ProductClient) Query() *ProductQuery {
+	return &ProductQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeProduct},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a Product entity by its id.
+func (c *ProductClient) Get(ctx context.Context, id int) (*Product, error) {
+	return c.Query().Where(product.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *ProductClient) GetX(ctx context.Context, id int) *Product {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// QueryProductCategory queries the productCategory edge of a Product.
+func (c *ProductClient) QueryProductCategory(pr *Product) *ProductCategoryQuery {
+	query := (&ProductCategoryClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := pr.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(product.Table, product.FieldID, id),
+			sqlgraph.To(productcategory.Table, productcategory.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, true, product.ProductCategoryTable, product.ProductCategoryPrimaryKey...),
+		)
+		fromV = sqlgraph.Neighbors(pr.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// Hooks returns the client hooks.
+func (c *ProductClient) Hooks() []Hook {
+	return c.hooks.Product
+}
+
+// Interceptors returns the client interceptors.
+func (c *ProductClient) Interceptors() []Interceptor {
+	return c.inters.Product
+}
+
+func (c *ProductClient) mutate(ctx context.Context, m *ProductMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&ProductCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&ProductUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&ProductUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&ProductDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Product mutation op: %q", m.Op())
+	}
+}
+
+// ProductCategoryClient is a client for the ProductCategory schema.
+type ProductCategoryClient struct {
+	config
+}
+
+// NewProductCategoryClient returns a client for the ProductCategory from the given config.
+func NewProductCategoryClient(c config) *ProductCategoryClient {
+	return &ProductCategoryClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `productcategory.Hooks(f(g(h())))`.
+func (c *ProductCategoryClient) Use(hooks ...Hook) {
+	c.hooks.ProductCategory = append(c.hooks.ProductCategory, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `productcategory.Intercept(f(g(h())))`.
+func (c *ProductCategoryClient) Intercept(interceptors ...Interceptor) {
+	c.inters.ProductCategory = append(c.inters.ProductCategory, interceptors...)
+}
+
+// Create returns a builder for creating a ProductCategory entity.
+func (c *ProductCategoryClient) Create() *ProductCategoryCreate {
+	mutation := newProductCategoryMutation(c.config, OpCreate)
+	return &ProductCategoryCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of ProductCategory entities.
+func (c *ProductCategoryClient) CreateBulk(builders ...*ProductCategoryCreate) *ProductCategoryCreateBulk {
+	return &ProductCategoryCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *ProductCategoryClient) MapCreateBulk(slice any, setFunc func(*ProductCategoryCreate, int)) *ProductCategoryCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &ProductCategoryCreateBulk{err: fmt.Errorf("calling to ProductCategoryClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*ProductCategoryCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &ProductCategoryCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for ProductCategory.
+func (c *ProductCategoryClient) Update() *ProductCategoryUpdate {
+	mutation := newProductCategoryMutation(c.config, OpUpdate)
+	return &ProductCategoryUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *ProductCategoryClient) UpdateOne(pc *ProductCategory) *ProductCategoryUpdateOne {
+	mutation := newProductCategoryMutation(c.config, OpUpdateOne, withProductCategory(pc))
+	return &ProductCategoryUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *ProductCategoryClient) UpdateOneID(id int) *ProductCategoryUpdateOne {
+	mutation := newProductCategoryMutation(c.config, OpUpdateOne, withProductCategoryID(id))
+	return &ProductCategoryUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for ProductCategory.
+func (c *ProductCategoryClient) Delete() *ProductCategoryDelete {
+	mutation := newProductCategoryMutation(c.config, OpDelete)
+	return &ProductCategoryDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *ProductCategoryClient) DeleteOne(pc *ProductCategory) *ProductCategoryDeleteOne {
+	return c.DeleteOneID(pc.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *ProductCategoryClient) DeleteOneID(id int) *ProductCategoryDeleteOne {
+	builder := c.Delete().Where(productcategory.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.op = OpDeleteOne
+	return &ProductCategoryDeleteOne{builder}
+}
+
+// Query returns a query builder for ProductCategory.
+func (c *ProductCategoryClient) Query() *ProductCategoryQuery {
+	return &ProductCategoryQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeProductCategory},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a ProductCategory entity by its id.
+func (c *ProductCategoryClient) Get(ctx context.Context, id int) (*ProductCategory, error) {
+	return c.Query().Where(productcategory.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *ProductCategoryClient) GetX(ctx context.Context, id int) *ProductCategory {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// QueryProducts queries the products edge of a ProductCategory.
+func (c *ProductCategoryClient) QueryProducts(pc *ProductCategory) *ProductQuery {
+	query := (&ProductClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := pc.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(productcategory.Table, productcategory.FieldID, id),
+			sqlgraph.To(product.Table, product.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, false, productcategory.ProductsTable, productcategory.ProductsPrimaryKey...),
+		)
+		fromV = sqlgraph.Neighbors(pc.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// Hooks returns the client hooks.
+func (c *ProductCategoryClient) Hooks() []Hook {
+	return c.hooks.ProductCategory
+}
+
+// Interceptors returns the client interceptors.
+func (c *ProductCategoryClient) Interceptors() []Interceptor {
+	return c.inters.ProductCategory
+}
+
+func (c *ProductCategoryClient) mutate(ctx context.Context, m *ProductCategoryMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&ProductCategoryCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&ProductCategoryUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&ProductCategoryUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&ProductCategoryDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown ProductCategory mutation op: %q", m.Op())
+	}
+}
+
+// hooks and interceptors per client, for fast access.
+type (
+	hooks struct {
+		Business, BusinessCategory, Product, ProductCategory []ent.Hook
+	}
+	inters struct {
+		Business, BusinessCategory, Product, ProductCategory []ent.Interceptor
+	}
+)

ent/ent.go

@@ -0,0 +1,614 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"online-order/ent/business"
+	"online-order/ent/businesscategory"
+	"online-order/ent/product"
+	"online-order/ent/productcategory"
+	"reflect"
+	"sync"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// ent aliases to avoid import conflicts in user's code.
+type (
+	Op            = ent.Op
+	Hook          = ent.Hook
+	Value         = ent.Value
+	Query         = ent.Query
+	QueryContext  = ent.QueryContext
+	Querier       = ent.Querier
+	QuerierFunc   = ent.QuerierFunc
+	Interceptor   = ent.Interceptor
+	InterceptFunc = ent.InterceptFunc
+	Traverser     = ent.Traverser
+	TraverseFunc  = ent.TraverseFunc
+	Policy        = ent.Policy
+	Mutator       = ent.Mutator
+	Mutation      = ent.Mutation
+	MutateFunc    = ent.MutateFunc
+)
+
+type clientCtxKey struct{}
+
+// FromContext returns a Client stored inside a context, or nil if there isn't one.
+func FromContext(ctx context.Context) *Client {
+	c, _ := ctx.Value(clientCtxKey{}).(*Client)
+	return c
+}
+
+// NewContext returns a new context with the given Client attached.
+func NewContext(parent context.Context, c *Client) context.Context {
+	return context.WithValue(parent, clientCtxKey{}, c)
+}
+
+type txCtxKey struct{}
+
+// TxFromContext returns a Tx stored inside a context, or nil if there isn't one.
+func TxFromContext(ctx context.Context) *Tx {
+	tx, _ := ctx.Value(txCtxKey{}).(*Tx)
+	return tx
+}
+
+// NewTxContext returns a new context with the given Tx attached.
+func NewTxContext(parent context.Context, tx *Tx) context.Context {
+	return context.WithValue(parent, txCtxKey{}, tx)
+}
+
+// OrderFunc applies an ordering on the sql selector.
+// Deprecated: Use Asc/Desc functions or the package builders instead.
+type OrderFunc func(*sql.Selector)
+
+var (
+	initCheck   sync.Once
+	columnCheck sql.ColumnCheck
+)
+
+// columnChecker checks if the column exists in the given table.
+func checkColumn(table, column string) error {
+	initCheck.Do(func() {
+		columnCheck = sql.NewColumnCheck(map[string]func(string) bool{
+			business.Table:         business.ValidColumn,
+			businesscategory.Table: businesscategory.ValidColumn,
+			product.Table:          product.ValidColumn,
+			productcategory.Table:  productcategory.ValidColumn,
+		})
+	})
+	return columnCheck(table, column)
+}
+
+// Asc applies the given fields in ASC order.
+func Asc(fields ...string) func(*sql.Selector) {
+	return func(s *sql.Selector) {
+		for _, f := range fields {
+			if err := checkColumn(s.TableName(), f); err != nil {
+				s.AddError(&ValidationError{Name: f, err: fmt.Errorf("ent: %w", err)})
+			}
+			s.OrderBy(sql.Asc(s.C(f)))
+		}
+	}
+}
+
+// Desc applies the given fields in DESC order.
+func Desc(fields ...string) func(*sql.Selector) {
+	return func(s *sql.Selector) {
+		for _, f := range fields {
+			if err := checkColumn(s.TableName(), f); err != nil {
+				s.AddError(&ValidationError{Name: f, err: fmt.Errorf("ent: %w", err)})
+			}
+			s.OrderBy(sql.Desc(s.C(f)))
+		}
+	}
+}
+
+// AggregateFunc applies an aggregation step on the group-by traversal/selector.
+type AggregateFunc func(*sql.Selector) string
+
+// As is a pseudo aggregation function for renaming another other functions with custom names. For example:
+//
+//	GroupBy(field1, field2).
+//	Aggregate(ent.As(ent.Sum(field1), "sum_field1"), (ent.As(ent.Sum(field2), "sum_field2")).
+//	Scan(ctx, &v)
+func As(fn AggregateFunc, end string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		return sql.As(fn(s), end)
+	}
+}
+
+// Count applies the "count" aggregation function on each group.
+func Count() AggregateFunc {
+	return func(s *sql.Selector) string {
+		return sql.Count("*")
+	}
+}
+
+// Max applies the "max" aggregation function on the given field of each group.
+func Max(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Max(s.C(field))
+	}
+}
+
+// Mean applies the "mean" aggregation function on the given field of each group.
+func Mean(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Avg(s.C(field))
+	}
+}
+
+// Min applies the "min" aggregation function on the given field of each group.
+func Min(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Min(s.C(field))
+	}
+}
+
+// Sum applies the "sum" aggregation function on the given field of each group.
+func Sum(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Sum(s.C(field))
+	}
+}
+
+// ValidationError returns when validating a field or edge fails.
+type ValidationError struct {
+	Name string // Field or edge name.
+	err  error
+}
+
+// Error implements the error interface.
+func (e *ValidationError) Error() string {
+	return e.err.Error()
+}
+
+// Unwrap implements the errors.Wrapper interface.
+func (e *ValidationError) Unwrap() error {
+	return e.err
+}
+
+// IsValidationError returns a boolean indicating whether the error is a validation error.
+func IsValidationError(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *ValidationError
+	return errors.As(err, &e)
+}
+
+// NotFoundError returns when trying to fetch a specific entity and it was not found in the database.
+type NotFoundError struct {
+	label string
+}
+
+// Error implements the error interface.
+func (e *NotFoundError) Error() string {
+	return "ent: " + e.label + " not found"
+}
+
+// IsNotFound returns a boolean indicating whether the error is a not found error.
+func IsNotFound(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotFoundError
+	return errors.As(err, &e)
+}
+
+// MaskNotFound masks not found error.
+func MaskNotFound(err error) error {
+	if IsNotFound(err) {
+		return nil
+	}
+	return err
+}
+
+// NotSingularError returns when trying to fetch a singular entity and more then one was found in the database.
+type NotSingularError struct {
+	label string
+}
+
+// Error implements the error interface.
+func (e *NotSingularError) Error() string {
+	return "ent: " + e.label + " not singular"
+}
+
+// IsNotSingular returns a boolean indicating whether the error is a not singular error.
+func IsNotSingular(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotSingularError
+	return errors.As(err, &e)
+}
+
+// NotLoadedError returns when trying to get a node that was not loaded by the query.
+type NotLoadedError struct {
+	edge string
+}
+
+// Error implements the error interface.
+func (e *NotLoadedError) Error() string {
+	return "ent: " + e.edge + " edge was not loaded"
+}
+
+// IsNotLoaded returns a boolean indicating whether the error is a not loaded error.
+func IsNotLoaded(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotLoadedError
+	return errors.As(err, &e)
+}
+
+// ConstraintError returns when trying to create/update one or more entities and
+// one or more of their constraints failed. For example, violation of edge or
+// field uniqueness.
+type ConstraintError struct {
+	msg  string
+	wrap error
+}
+
+// Error implements the error interface.
+func (e ConstraintError) Error() string {
+	return "ent: constraint failed: " + e.msg
+}
+
+// Unwrap implements the errors.Wrapper interface.
+func (e *ConstraintError) Unwrap() error {
+	return e.wrap
+}
+
+// IsConstraintError returns a boolean indicating whether the error is a constraint failure.
+func IsConstraintError(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *ConstraintError
+	return errors.As(err, &e)
+}
+
+// selector embedded by the different Select/GroupBy builders.
+type selector struct {
+	label string
+	flds  *[]string
+	fns   []AggregateFunc
+	scan  func(context.Context, any) error
+}
+
+// ScanX is like Scan, but panics if an error occurs.
+func (s *selector) ScanX(ctx context.Context, v any) {
+	if err := s.scan(ctx, v); err != nil {
+		panic(err)
+	}
+}
+
+// Strings returns list of strings from a selector. It is only allowed when selecting one field.
+func (s *selector) Strings(ctx context.Context) ([]string, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Strings is not achievable when selecting more than 1 field")
+	}
+	var v []string
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// StringsX is like Strings, but panics if an error occurs.
+func (s *selector) StringsX(ctx context.Context) []string {
+	v, err := s.Strings(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// String returns a single string from a selector. It is only allowed when selecting one field.
+func (s *selector) String(ctx context.Context) (_ string, err error) {
+	var v []string
+	if v, err = s.Strings(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Strings returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// StringX is like String, but panics if an error occurs.
+func (s *selector) StringX(ctx context.Context) string {
+	v, err := s.String(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Ints returns list of ints from a selector. It is only allowed when selecting one field.
+func (s *selector) Ints(ctx context.Context) ([]int, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Ints is not achievable when selecting more than 1 field")
+	}
+	var v []int
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// IntsX is like Ints, but panics if an error occurs.
+func (s *selector) IntsX(ctx context.Context) []int {
+	v, err := s.Ints(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Int returns a single int from a selector. It is only allowed when selecting one field.
+func (s *selector) Int(ctx context.Context) (_ int, err error) {
+	var v []int
+	if v, err = s.Ints(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Ints returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// IntX is like Int, but panics if an error occurs.
+func (s *selector) IntX(ctx context.Context) int {
+	v, err := s.Int(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Float64s returns list of float64s from a selector. It is only allowed when selecting one field.
+func (s *selector) Float64s(ctx context.Context) ([]float64, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Float64s is not achievable when selecting more than 1 field")
+	}
+	var v []float64
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// Float64sX is like Float64s, but panics if an error occurs.
+func (s *selector) Float64sX(ctx context.Context) []float64 {
+	v, err := s.Float64s(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Float64 returns a single float64 from a selector. It is only allowed when selecting one field.
+func (s *selector) Float64(ctx context.Context) (_ float64, err error) {
+	var v []float64
+	if v, err = s.Float64s(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Float64s returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// Float64X is like Float64, but panics if an error occurs.
+func (s *selector) Float64X(ctx context.Context) float64 {
+	v, err := s.Float64(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Bools returns list of bools from a selector. It is only allowed when selecting one field.
+func (s *selector) Bools(ctx context.Context) ([]bool, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Bools is not achievable when selecting more than 1 field")
+	}
+	var v []bool
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// BoolsX is like Bools, but panics if an error occurs.
+func (s *selector) BoolsX(ctx context.Context) []bool {
+	v, err := s.Bools(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Bool returns a single bool from a selector. It is only allowed when selecting one field.
+func (s *selector) Bool(ctx context.Context) (_ bool, err error) {
+	var v []bool
+	if v, err = s.Bools(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Bools returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// BoolX is like Bool, but panics if an error occurs.
+func (s *selector) BoolX(ctx context.Context) bool {
+	v, err := s.Bool(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// withHooks invokes the builder operation with the given hooks, if any.
+func withHooks[V Value, M any, PM interface {
+	*M
+	Mutation
+}](ctx context.Context, exec func(context.Context) (V, error), mutation PM, hooks []Hook) (value V, err error) {
+	if len(hooks) == 0 {
+		return exec(ctx)
+	}
+	var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+		mutationT, ok := any(m).(PM)
+		if !ok {
+			return nil, fmt.Errorf("unexpected mutation type %T", m)
+		}
+		// Set the mutation to the builder.
+		*mutation = *mutationT
+		return exec(ctx)
+	})
+	for i := len(hooks) - 1; i >= 0; i-- {
+		if hooks[i] == nil {
+			return value, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
+		}
+		mut = hooks[i](mut)
+	}
+	v, err := mut.Mutate(ctx, mutation)
+	if err != nil {
+		return value, err
+	}
+	nv, ok := v.(V)
+	if !ok {
+		return value, fmt.Errorf("unexpected node type %T returned from %T", v, mutation)
+	}
+	return nv, nil
+}
+
+// setContextOp returns a new context with the given QueryContext attached (including its op) in case it does not exist.
+func setContextOp(ctx context.Context, qc *QueryContext, op string) context.Context {
+	if ent.QueryFromContext(ctx) == nil {
+		qc.Op = op
+		ctx = ent.NewQueryContext(ctx, qc)
+	}
+	return ctx
+}
+
+func querierAll[V Value, Q interface {
+	sqlAll(context.Context, ...queryHook) (V, error)
+}]() Querier {
+	return QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		return query.sqlAll(ctx)
+	})
+}
+
+func querierCount[Q interface {
+	sqlCount(context.Context) (int, error)
+}]() Querier {
+	return QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		return query.sqlCount(ctx)
+	})
+}
+
+func withInterceptors[V Value](ctx context.Context, q Query, qr Querier, inters []Interceptor) (v V, err error) {
+	for i := len(inters) - 1; i >= 0; i-- {
+		qr = inters[i].Intercept(qr)
+	}
+	rv, err := qr.Query(ctx, q)
+	if err != nil {
+		return v, err
+	}
+	vt, ok := rv.(V)
+	if !ok {
+		return v, fmt.Errorf("unexpected type %T returned from %T. expected type: %T", vt, q, v)
+	}
+	return vt, nil
+}
+
+func scanWithInterceptors[Q1 ent.Query, Q2 interface {
+	sqlScan(context.Context, Q1, any) error
+}](ctx context.Context, rootQuery Q1, selectOrGroup Q2, inters []Interceptor, v any) error {
+	rv := reflect.ValueOf(v)
+	var qr Querier = QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q1)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		if err := selectOrGroup.sqlScan(ctx, query, v); err != nil {
+			return nil, err
+		}
+		if k := rv.Kind(); k == reflect.Pointer && rv.Elem().CanInterface() {
+			return rv.Elem().Interface(), nil
+		}
+		return v, nil
+	})
+	for i := len(inters) - 1; i >= 0; i-- {
+		qr = inters[i].Intercept(qr)
+	}
+	vv, err := qr.Query(ctx, rootQuery)
+	if err != nil {
+		return err
+	}
+	switch rv2 := reflect.ValueOf(vv); {
+	case rv.IsNil(), rv2.IsNil(), rv.Kind() != reflect.Pointer:
+	case rv.Type() == rv2.Type():
+		rv.Elem().Set(rv2.Elem())
+	case rv.Elem().Type() == rv2.Type():
+		rv.Elem().Set(rv2)
+	}
+	return nil
+}
+
+// queryHook describes an internal hook for the different sqlAll methods.
+type queryHook func(context.Context, *sqlgraph.QuerySpec)

ent/enttest/enttest.go

@@ -0,0 +1,84 @@
+// Code generated by ent, DO NOT EDIT.
+
+package enttest
+
+import (
+	"context"
+	"online-order/ent"
+	// required by schema hooks.
+	_ "online-order/ent/runtime"
+
+	"online-order/ent/migrate"
+
+	"entgo.io/ent/dialect/sql/schema"
+)
+
+type (
+	// TestingT is the interface that is shared between
+	// testing.T and testing.B and used by enttest.
+	TestingT interface {
+		FailNow()
+		Error(...any)
+	}
+
+	// Option configures client creation.
+	Option func(*options)
+
+	options struct {
+		opts        []ent.Option
+		migrateOpts []schema.MigrateOption
+	}
+)
+
+// WithOptions forwards options to client creation.
+func WithOptions(opts ...ent.Option) Option {
+	return func(o *options) {
+		o.opts = append(o.opts, opts...)
+	}
+}
+
+// WithMigrateOptions forwards options to auto migration.
+func WithMigrateOptions(opts ...schema.MigrateOption) Option {
+	return func(o *options) {
+		o.migrateOpts = append(o.migrateOpts, opts...)
+	}
+}
+
+func newOptions(opts []Option) *options {
+	o := &options{}
+	for _, opt := range opts {
+		opt(o)
+	}
+	return o
+}
+
+// Open calls ent.Open and auto-run migration.
+func Open(t TestingT, driverName, dataSourceName string, opts ...Option) *ent.Client {
+	o := newOptions(opts)
+	c, err := ent.Open(driverName, dataSourceName, o.opts...)
+	if err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+	migrateSchema(t, c, o)
+	return c
+}
+
+// NewClient calls ent.NewClient and auto-run migration.
+func NewClient(t TestingT, opts ...Option) *ent.Client {
+	o := newOptions(opts)
+	c := ent.NewClient(o.opts...)
+	migrateSchema(t, c, o)
+	return c
+}
+func migrateSchema(t TestingT, c *ent.Client, o *options) {
+	tables, err := schema.CopyTables(migrate.Tables)
+	if err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+	if err := migrate.Create(context.Background(), c.Schema, tables, o.migrateOpts...); err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+}

ent/generate.go

@@ -0,0 +1,3 @@
+package ent
+
+//go:generate go run -mod=mod entgo.io/ent/cmd/ent generate ./schema

ent/hook/hook.go

@@ -0,0 +1,234 @@
+// Code generated by ent, DO NOT EDIT.
+
+package hook
+
+import (
+	"context"
+	"fmt"
+	"online-order/ent"
+)
+
+// The BusinessFunc type is an adapter to allow the use of ordinary
+// function as Business mutator.
+type BusinessFunc func(context.Context, *ent.BusinessMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f BusinessFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.BusinessMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.BusinessMutation", m)
+}
+
+// The BusinessCategoryFunc type is an adapter to allow the use of ordinary
+// function as BusinessCategory mutator.
+type BusinessCategoryFunc func(context.Context, *ent.BusinessCategoryMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f BusinessCategoryFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.BusinessCategoryMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.BusinessCategoryMutation", m)
+}
+
+// The ProductFunc type is an adapter to allow the use of ordinary
+// function as Product mutator.
+type ProductFunc func(context.Context, *ent.ProductMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f ProductFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.ProductMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.ProductMutation", m)
+}
+
+// The ProductCategoryFunc type is an adapter to allow the use of ordinary
+// function as ProductCategory mutator.
+type ProductCategoryFunc func(context.Context, *ent.ProductCategoryMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f ProductCategoryFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.ProductCategoryMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.ProductCategoryMutation", m)
+}
+
+// Condition is a hook condition function.
+type Condition func(context.Context, ent.Mutation) bool
+
+// And groups conditions with the AND operator.
+func And(first, second Condition, rest ...Condition) Condition {
+	return func(ctx context.Context, m ent.Mutation) bool {
+		if !first(ctx, m) || !second(ctx, m) {
+			return false
+		}
+		for _, cond := range rest {
+			if !cond(ctx, m) {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// Or groups conditions with the OR operator.
+func Or(first, second Condition, rest ...Condition) Condition {
+	return func(ctx context.Context, m ent.Mutation) bool {
+		if first(ctx, m) || second(ctx, m) {
+			return true
+		}
+		for _, cond := range rest {
+			if cond(ctx, m) {
+				return true
+			}
+		}
+		return false
+	}
+}
+
+// Not negates a given condition.
+func Not(cond Condition) Condition {
+	return func(ctx context.Context, m ent.Mutation) bool {
+		return !cond(ctx, m)
+	}
+}
+
+// HasOp is a condition testing mutation operation.
+func HasOp(op ent.Op) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		return m.Op().Is(op)
+	}
+}
+
+// HasAddedFields is a condition validating `.AddedField` on fields.
+func HasAddedFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		if _, exists := m.AddedField(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if _, exists := m.AddedField(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// HasClearedFields is a condition validating `.FieldCleared` on fields.
+func HasClearedFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		if exists := m.FieldCleared(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if exists := m.FieldCleared(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// HasFields is a condition validating `.Field` on fields.
+func HasFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		if _, exists := m.Field(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if _, exists := m.Field(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// If executes the given hook under condition.
+//
+//	hook.If(ComputeAverage, And(HasFields(...), HasAddedFields(...)))
+func If(hk ent.Hook, cond Condition) ent.Hook {
+	return func(next ent.Mutator) ent.Mutator {
+		return ent.MutateFunc(func(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+			if cond(ctx, m) {
+				return hk(next).Mutate(ctx, m)
+			}
+			return next.Mutate(ctx, m)
+		})
+	}
+}
+
+// On executes the given hook only for the given operation.
+//
+//	hook.On(Log, ent.Delete|ent.Create)
+func On(hk ent.Hook, op ent.Op) ent.Hook {
+	return If(hk, HasOp(op))
+}
+
+// Unless skips the given hook only for the given operation.
+//
+//	hook.Unless(Log, ent.Update|ent.UpdateOne)
+func Unless(hk ent.Hook, op ent.Op) ent.Hook {
+	return If(hk, Not(HasOp(op)))
+}
+
+// FixedError is a hook returning a fixed error.
+func FixedError(err error) ent.Hook {
+	return func(ent.Mutator) ent.Mutator {
+		return ent.MutateFunc(func(context.Context, ent.Mutation) (ent.Value, error) {
+			return nil, err
+		})
+	}
+}
+
+// Reject returns a hook that rejects all operations that match op.
+//
+//	func (T) Hooks() []ent.Hook {
+//		return []ent.Hook{
+//			Reject(ent.Delete|ent.Update),
+//		}
+//	}
+func Reject(op ent.Op) ent.Hook {
+	hk := FixedError(fmt.Errorf("%s operation is not allowed", op))
+	return On(hk, op)
+}
+
+// Chain acts as a list of hooks and is effectively immutable.
+// Once created, it will always hold the same set of hooks in the same order.
+type Chain struct {
+	hooks []ent.Hook
+}
+
+// NewChain creates a new chain of hooks.
+func NewChain(hooks ...ent.Hook) Chain {
+	return Chain{append([]ent.Hook(nil), hooks...)}
+}
+
+// Hook chains the list of hooks and returns the final hook.
+func (c Chain) Hook() ent.Hook {
+	return func(mutator ent.Mutator) ent.Mutator {
+		for i := len(c.hooks) - 1; i >= 0; i-- {
+			mutator = c.hooks[i](mutator)
+		}
+		return mutator
+	}
+}
+
+// Append extends a chain, adding the specified hook
+// as the last ones in the mutation flow.
+func (c Chain) Append(hooks ...ent.Hook) Chain {
+	newHooks := make([]ent.Hook, 0, len(c.hooks)+len(hooks))
+	newHooks = append(newHooks, c.hooks...)
+	newHooks = append(newHooks, hooks...)
+	return Chain{newHooks}
+}
+
+// Extend extends a chain, adding the specified chain
+// as the last ones in the mutation flow.
+func (c Chain) Extend(chain Chain) Chain {
+	return c.Append(chain.hooks...)
+}

ent/migrate/migrate.go

@@ -0,0 +1,64 @@
+// Code generated by ent, DO NOT EDIT.
+
+package migrate
+
+import (
+	"context"
+	"fmt"
+	"io"
+
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/sql/schema"
+)
+
+var (
+	// WithGlobalUniqueID sets the universal ids options to the migration.
+	// If this option is enabled, ent migration will allocate a 1<<32 range
+	// for the ids of each entity (table).
+	// Note that this option cannot be applied on tables that already exist.
+	WithGlobalUniqueID = schema.WithGlobalUniqueID
+	// WithDropColumn sets the drop column option to the migration.
+	// If this option is enabled, ent migration will drop old columns
+	// that were used for both fields and edges. This defaults to false.
+	WithDropColumn = schema.WithDropColumn
+	// WithDropIndex sets the drop index option to the migration.
+	// If this option is enabled, ent migration will drop old indexes
+	// that were defined in the schema. This defaults to false.
+	// Note that unique constraints are defined using `UNIQUE INDEX`,
+	// and therefore, it's recommended to enable this option to get more
+	// flexibility in the schema changes.
+	WithDropIndex = schema.WithDropIndex
+	// WithForeignKeys enables creating foreign-key in schema DDL. This defaults to true.
+	WithForeignKeys = schema.WithForeignKeys
+)
+
+// Schema is the API for creating, migrating and dropping a schema.
+type Schema struct {
+	drv dialect.Driver
+}
+
+// NewSchema creates a new schema client.
+func NewSchema(drv dialect.Driver) *Schema { return &Schema{drv: drv} }
+
+// Create creates all schema resources.
+func (s *Schema) Create(ctx context.Context, opts ...schema.MigrateOption) error {
+	return Create(ctx, s, Tables, opts...)
+}
+
+// Create creates all table resources using the given schema driver.
+func Create(ctx context.Context, s *Schema, tables []*schema.Table, opts ...schema.MigrateOption) error {
+	migrate, err := schema.NewMigrate(s.drv, opts...)
+	if err != nil {
+		return fmt.Errorf("ent/migrate: %w", err)
+	}
+	return migrate.Create(ctx, tables...)
+}
+
+// WriteTo writes the schema changes to w instead of running them against the database.
+//
+//	if err := client.Schema.WriteTo(context.Background(), os.Stdout); err != nil {
+//		log.Fatal(err)
+//	}
+func (s *Schema) WriteTo(ctx context.Context, w io.Writer, opts ...schema.MigrateOption) error {
+	return Create(ctx, &Schema{drv: &schema.WriteDriver{Writer: w, Driver: s.drv}}, Tables, opts...)
+}

ent/migrate/schema.go

@@ -0,0 +1,142 @@
+// Code generated by ent, DO NOT EDIT.
+
+package migrate
+
+import (
+	"entgo.io/ent/dialect/sql/schema"
+	"entgo.io/ent/schema/field"
+)
+
+var (
+	// BusinessesColumns holds the columns for the "businesses" table.
+	BusinessesColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "name", Type: field.TypeString, Default: "unknown"},
+		{Name: "slug", Type: field.TypeString, Unique: true},
+		{Name: "bot_id", Type: field.TypeString, Unique: true},
+		{Name: "description", Type: field.TypeString, Nullable: true},
+		{Name: "company", Type: field.TypeString, Default: "main"},
+		{Name: "about_us", Type: field.TypeString, Nullable: true},
+		{Name: "created_at", Type: field.TypeTime},
+		{Name: "updated_at", Type: field.TypeTime},
+	}
+	// BusinessesTable holds the schema information for the "businesses" table.
+	BusinessesTable = &schema.Table{
+		Name:       "businesses",
+		Columns:    BusinessesColumns,
+		PrimaryKey: []*schema.Column{BusinessesColumns[0]},
+	}
+	// BusinessCategoriesColumns holds the columns for the "business_categories" table.
+	BusinessCategoriesColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "slug", Type: field.TypeString, Unique: true},
+		{Name: "name", Type: field.TypeString, Default: "unknown"},
+		{Name: "description", Type: field.TypeString, Default: "unknown"},
+	}
+	// BusinessCategoriesTable holds the schema information for the "business_categories" table.
+	BusinessCategoriesTable = &schema.Table{
+		Name:       "business_categories",
+		Columns:    BusinessCategoriesColumns,
+		PrimaryKey: []*schema.Column{BusinessCategoriesColumns[0]},
+	}
+	// ProductsColumns holds the columns for the "products" table.
+	ProductsColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "name", Type: field.TypeString, Default: "unknown"},
+		{Name: "description", Type: field.TypeString, Nullable: true},
+		{Name: "price", Type: field.TypeFloat64, Default: 0},
+		{Name: "original_price", Type: field.TypeFloat64, Default: 0},
+		{Name: "quantity", Type: field.TypeInt, Default: 0},
+		{Name: "status", Type: field.TypeBool, Default: true},
+		{Name: "created_at", Type: field.TypeTime},
+		{Name: "updated_at", Type: field.TypeTime},
+	}
+	// ProductsTable holds the schema information for the "products" table.
+	ProductsTable = &schema.Table{
+		Name:       "products",
+		Columns:    ProductsColumns,
+		PrimaryKey: []*schema.Column{ProductsColumns[0]},
+	}
+	// ProductCategoriesColumns holds the columns for the "product_categories" table.
+	ProductCategoriesColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "name", Type: field.TypeString, Default: "unknown"},
+		{Name: "slug", Type: field.TypeString, Unique: true},
+		{Name: "description", Type: field.TypeString, Nullable: true},
+		{Name: "status", Type: field.TypeBool, Default: true},
+		{Name: "created_at", Type: field.TypeTime},
+		{Name: "updated_at", Type: field.TypeTime},
+	}
+	// ProductCategoriesTable holds the schema information for the "product_categories" table.
+	ProductCategoriesTable = &schema.Table{
+		Name:       "product_categories",
+		Columns:    ProductCategoriesColumns,
+		PrimaryKey: []*schema.Column{ProductCategoriesColumns[0]},
+	}
+	// BusinessCategoryBusinessesColumns holds the columns for the "business_category_businesses" table.
+	BusinessCategoryBusinessesColumns = []*schema.Column{
+		{Name: "business_category_id", Type: field.TypeInt},
+		{Name: "business_id", Type: field.TypeInt},
+	}
+	// BusinessCategoryBusinessesTable holds the schema information for the "business_category_businesses" table.
+	BusinessCategoryBusinessesTable = &schema.Table{
+		Name:       "business_category_businesses",
+		Columns:    BusinessCategoryBusinessesColumns,
+		PrimaryKey: []*schema.Column{BusinessCategoryBusinessesColumns[0], BusinessCategoryBusinessesColumns[1]},
+		ForeignKeys: []*schema.ForeignKey{
+			{
+				Symbol:     "business_category_businesses_business_category_id",
+				Columns:    []*schema.Column{BusinessCategoryBusinessesColumns[0]},
+				RefColumns: []*schema.Column{BusinessCategoriesColumns[0]},
+				OnDelete:   schema.Cascade,
+			},
+			{
+				Symbol:     "business_category_businesses_business_id",
+				Columns:    []*schema.Column{BusinessCategoryBusinessesColumns[1]},
+				RefColumns: []*schema.Column{BusinessesColumns[0]},
+				OnDelete:   schema.Cascade,
+			},
+		},
+	}
+	// ProductCategoryProductsColumns holds the columns for the "product_category_products" table.
+	ProductCategoryProductsColumns = []*schema.Column{
+		{Name: "product_category_id", Type: field.TypeInt},
+		{Name: "product_id", Type: field.TypeInt},
+	}
+	// ProductCategoryProductsTable holds the schema information for the "product_category_products" table.
+	ProductCategoryProductsTable = &schema.Table{
+		Name:       "product_category_products",
+		Columns:    ProductCategoryProductsColumns,
+		PrimaryKey: []*schema.Column{ProductCategoryProductsColumns[0], ProductCategoryProductsColumns[1]},
+		ForeignKeys: []*schema.ForeignKey{
+			{
+				Symbol:     "product_category_products_product_category_id",
+				Columns:    []*schema.Column{ProductCategoryProductsColumns[0]},
+				RefColumns: []*schema.Column{ProductCategoriesColumns[0]},
+				OnDelete:   schema.Cascade,
+			},
+			{
+				Symbol:     "product_category_products_product_id",
+				Columns:    []*schema.Column{ProductCategoryProductsColumns[1]},
+				RefColumns: []*schema.Column{ProductsColumns[0]},
+				OnDelete:   schema.Cascade,
+			},
+		},
+	}
+	// Tables holds all the tables in the schema.
+	Tables = []*schema.Table{
+		BusinessesTable,
+		BusinessCategoriesTable,
+		ProductsTable,
+		ProductCategoriesTable,
+		BusinessCategoryBusinessesTable,
+		ProductCategoryProductsTable,
+	}
+)
+
+func init() {
+	BusinessCategoryBusinessesTable.ForeignKeys[0].RefTable = BusinessCategoriesTable
+	BusinessCategoryBusinessesTable.ForeignKeys[1].RefTable = BusinessesTable
+	ProductCategoryProductsTable.ForeignKeys[0].RefTable = ProductCategoriesTable
+	ProductCategoryProductsTable.ForeignKeys[1].RefTable = ProductsTable
+}

ent/predicate/predicate.go

@@ -0,0 +1,19 @@
+// Code generated by ent, DO NOT EDIT.
+
+package predicate
+
+import (
+	"entgo.io/ent/dialect/sql"
+)
+
+// Business is the predicate function for business builders.
+type Business func(*sql.Selector)
+
+// BusinessCategory is the predicate function for businesscategory builders.
+type BusinessCategory func(*sql.Selector)
+
+// Product is the predicate function for product builders.
+type Product func(*sql.Selector)
+
+// ProductCategory is the predicate function for productcategory builders.
+type ProductCategory func(*sql.Selector)

ent/product.go

@@ -0,0 +1,216 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"fmt"
+	"online-order/ent/product"
+	"strings"
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+)
+
+// Product is the model entity for the Product schema.
+type Product struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Name holds the value of the "name" field.
+	Name string `json:"name,omitempty"`
+	// Description holds the value of the "description" field.
+	Description *string `json:"description,omitempty"`
+	// Price holds the value of the "price" field.
+	Price float64 `json:"price,omitempty"`
+	// OriginalPrice holds the value of the "original_price" field.
+	OriginalPrice float64 `json:"original_price,omitempty"`
+	// Quantity holds the value of the "quantity" field.
+	Quantity int `json:"quantity,omitempty"`
+	// Status holds the value of the "status" field.
+	Status bool `json:"status,omitempty"`
+	// CreatedAt holds the value of the "created_at" field.
+	CreatedAt time.Time `json:"created_at,omitempty"`
+	// UpdatedAt holds the value of the "updated_at" field.
+	UpdatedAt time.Time `json:"updated_at,omitempty"`
+	// Edges holds the relations/edges for other nodes in the graph.
+	// The values are being populated by the ProductQuery when eager-loading is set.
+	Edges        ProductEdges `json:"edges"`
+	selectValues sql.SelectValues
+}
+
+// ProductEdges holds the relations/edges for other nodes in the graph.
+type ProductEdges struct {
+	// ProductCategory holds the value of the productCategory edge.
+	ProductCategory []*ProductCategory `json:"productCategory,omitempty"`
+	// loadedTypes holds the information for reporting if a
+	// type was loaded (or requested) in eager-loading or not.
+	loadedTypes [1]bool
+}
+
+// ProductCategoryOrErr returns the ProductCategory value or an error if the edge
+// was not loaded in eager-loading.
+func (e ProductEdges) ProductCategoryOrErr() ([]*ProductCategory, error) {
+	if e.loadedTypes[0] {
+		return e.ProductCategory, nil
+	}
+	return nil, &NotLoadedError{edge: "productCategory"}
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*Product) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case product.FieldStatus:
+			values[i] = new(sql.NullBool)
+		case product.FieldPrice, product.FieldOriginalPrice:
+			values[i] = new(sql.NullFloat64)
+		case product.FieldID, product.FieldQuantity:
+			values[i] = new(sql.NullInt64)
+		case product.FieldName, product.FieldDescription:
+			values[i] = new(sql.NullString)
+		case product.FieldCreatedAt, product.FieldUpdatedAt:
+			values[i] = new(sql.NullTime)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the Product fields.
+func (pr *Product) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case product.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			pr.ID = int(value.Int64)
+		case product.FieldName:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field name", values[i])
+			} else if value.Valid {
+				pr.Name = value.String
+			}
+		case product.FieldDescription:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field description", values[i])
+			} else if value.Valid {
+				pr.Description = new(string)
+				*pr.Description = value.String
+			}
+		case product.FieldPrice:
+			if value, ok := values[i].(*sql.NullFloat64); !ok {
+				return fmt.Errorf("unexpected type %T for field price", values[i])
+			} else if value.Valid {
+				pr.Price = value.Float64
+			}
+		case product.FieldOriginalPrice:
+			if value, ok := values[i].(*sql.NullFloat64); !ok {
+				return fmt.Errorf("unexpected type %T for field original_price", values[i])
+			} else if value.Valid {
+				pr.OriginalPrice = value.Float64
+			}
+		case product.FieldQuantity:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field quantity", values[i])
+			} else if value.Valid {
+				pr.Quantity = int(value.Int64)
+			}
+		case product.FieldStatus:
+			if value, ok := values[i].(*sql.NullBool); !ok {
+				return fmt.Errorf("unexpected type %T for field status", values[i])
+			} else if value.Valid {
+				pr.Status = value.Bool
+			}
+		case product.FieldCreatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field created_at", values[i])
+			} else if value.Valid {
+				pr.CreatedAt = value.Time
+			}
+		case product.FieldUpdatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field updated_at", values[i])
+			} else if value.Valid {
+				pr.UpdatedAt = value.Time
+			}
+		default:
+			pr.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the Product.
+// This includes values selected through modifiers, order, etc.
+func (pr *Product) Value(name string) (ent.Value, error) {
+	return pr.selectValues.Get(name)
+}
+
+// QueryProductCategory queries the "productCategory" edge of the Product entity.
+func (pr *Product) QueryProductCategory() *ProductCategoryQuery {
+	return NewProductClient(pr.config).QueryProductCategory(pr)
+}
+
+// Update returns a builder for updating this Product.
+// Note that you need to call Product.Unwrap() before calling this method if this Product
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (pr *Product) Update() *ProductUpdateOne {
+	return NewProductClient(pr.config).UpdateOne(pr)
+}
+
+// Unwrap unwraps the Product entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (pr *Product) Unwrap() *Product {
+	_tx, ok := pr.config.driver.(*txDriver)
+	if !ok {
+		panic("ent: Product is not a transactional entity")
+	}
+	pr.config.driver = _tx.drv
+	return pr
+}
+
+// String implements the fmt.Stringer.
+func (pr *Product) String() string {
+	var builder strings.Builder
+	builder.WriteString("Product(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", pr.ID))
+	builder.WriteString("name=")
+	builder.WriteString(pr.Name)
+	builder.WriteString(", ")
+	if v := pr.Description; v != nil {
+		builder.WriteString("description=")
+		builder.WriteString(*v)
+	}
+	builder.WriteString(", ")
+	builder.WriteString("price=")
+	builder.WriteString(fmt.Sprintf("%v", pr.Price))
+	builder.WriteString(", ")
+	builder.WriteString("original_price=")
+	builder.WriteString(fmt.Sprintf("%v", pr.OriginalPrice))
+	builder.WriteString(", ")
+	builder.WriteString("quantity=")
+	builder.WriteString(fmt.Sprintf("%v", pr.Quantity))
+	builder.WriteString(", ")
+	builder.WriteString("status=")
+	builder.WriteString(fmt.Sprintf("%v", pr.Status))
+	builder.WriteString(", ")
+	builder.WriteString("created_at=")
+	builder.WriteString(pr.CreatedAt.Format(time.ANSIC))
+	builder.WriteString(", ")
+	builder.WriteString("updated_at=")
+	builder.WriteString(pr.UpdatedAt.Format(time.ANSIC))
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// Products is a parsable slice of Product.
+type Products []*Product

ent/product/product.go

@@ -0,0 +1,165 @@
+// Code generated by ent, DO NOT EDIT.
+
+package product
+
+import (
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the product type in the database.
+	Label = "product"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldName holds the string denoting the name field in the database.
+	FieldName = "name"
+	// FieldDescription holds the string denoting the description field in the database.
+	FieldDescription = "description"
+	// FieldPrice holds the string denoting the price field in the database.
+	FieldPrice = "price"
+	// FieldOriginalPrice holds the string denoting the original_price field in the database.
+	FieldOriginalPrice = "original_price"
+	// FieldQuantity holds the string denoting the quantity field in the database.
+	FieldQuantity = "quantity"
+	// FieldStatus holds the string denoting the status field in the database.
+	FieldStatus = "status"
+	// FieldCreatedAt holds the string denoting the created_at field in the database.
+	FieldCreatedAt = "created_at"
+	// FieldUpdatedAt holds the string denoting the updated_at field in the database.
+	FieldUpdatedAt = "updated_at"
+	// EdgeProductCategory holds the string denoting the productcategory edge name in mutations.
+	EdgeProductCategory = "productCategory"
+	// Table holds the table name of the product in the database.
+	Table = "products"
+	// ProductCategoryTable is the table that holds the productCategory relation/edge. The primary key declared below.
+	ProductCategoryTable = "product_category_products"
+	// ProductCategoryInverseTable is the table name for the ProductCategory entity.
+	// It exists in this package in order to avoid circular dependency with the "productcategory" package.
+	ProductCategoryInverseTable = "product_categories"
+)
+
+// Columns holds all SQL columns for product fields.
+var Columns = []string{
+	FieldID,
+	FieldName,
+	FieldDescription,
+	FieldPrice,
+	FieldOriginalPrice,
+	FieldQuantity,
+	FieldStatus,
+	FieldCreatedAt,
+	FieldUpdatedAt,
+}
+
+var (
+	// ProductCategoryPrimaryKey and ProductCategoryColumn2 are the table columns denoting the
+	// primary key for the productCategory relation (M2M).
+	ProductCategoryPrimaryKey = []string{"product_category_id", "product_id"}
+)
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// DefaultName holds the default value on creation for the "name" field.
+	DefaultName string
+	// DefaultPrice holds the default value on creation for the "price" field.
+	DefaultPrice float64
+	// PriceValidator is a validator for the "price" field. It is called by the builders before save.
+	PriceValidator func(float64) error
+	// DefaultOriginalPrice holds the default value on creation for the "original_price" field.
+	DefaultOriginalPrice float64
+	// OriginalPriceValidator is a validator for the "original_price" field. It is called by the builders before save.
+	OriginalPriceValidator func(float64) error
+	// DefaultQuantity holds the default value on creation for the "quantity" field.
+	DefaultQuantity int
+	// QuantityValidator is a validator for the "quantity" field. It is called by the builders before save.
+	QuantityValidator func(int) error
+	// DefaultStatus holds the default value on creation for the "status" field.
+	DefaultStatus bool
+	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
+	DefaultCreatedAt time.Time
+	// DefaultUpdatedAt holds the default value on creation for the "updated_at" field.
+	DefaultUpdatedAt time.Time
+	// UpdateDefaultUpdatedAt holds the default value on update for the "updated_at" field.
+	UpdateDefaultUpdatedAt func() time.Time
+)
+
+// OrderOption defines the ordering options for the Product queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByName orders the results by the name field.
+func ByName(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldName, opts...).ToFunc()
+}
+
+// ByDescription orders the results by the description field.
+func ByDescription(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldDescription, opts...).ToFunc()
+}
+
+// ByPrice orders the results by the price field.
+func ByPrice(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldPrice, opts...).ToFunc()
+}
+
+// ByOriginalPrice orders the results by the original_price field.
+func ByOriginalPrice(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldOriginalPrice, opts...).ToFunc()
+}
+
+// ByQuantity orders the results by the quantity field.
+func ByQuantity(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldQuantity, opts...).ToFunc()
+}
+
+// ByStatus orders the results by the status field.
+func ByStatus(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldStatus, opts...).ToFunc()
+}
+
+// ByCreatedAt orders the results by the created_at field.
+func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()
+}
+
+// ByUpdatedAt orders the results by the updated_at field.
+func ByUpdatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUpdatedAt, opts...).ToFunc()
+}
+
+// ByProductCategoryCount orders the results by productCategory count.
+func ByProductCategoryCount(opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborsCount(s, newProductCategoryStep(), opts...)
+	}
+}
+
+// ByProductCategory orders the results by productCategory terms.
+func ByProductCategory(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newProductCategoryStep(), append([]sql.OrderTerm{term}, terms...)...)
+	}
+}
+func newProductCategoryStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(ProductCategoryInverseTable, FieldID),
+		sqlgraph.Edge(sqlgraph.M2M, true, ProductCategoryTable, ProductCategoryPrimaryKey...),
+	)
+}

ent/product/where.go

@@ -0,0 +1,484 @@
+// Code generated by ent, DO NOT EDIT.
+
+package product
+
+import (
+	"online-order/ent/predicate"
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.Product {
+	return predicate.Product(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.Product {
+	return predicate.Product(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.Product {
+	return predicate.Product(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.Product {
+	return predicate.Product(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.Product {
+	return predicate.Product(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.Product {
+	return predicate.Product(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.Product {
+	return predicate.Product(sql.FieldLTE(FieldID, id))
+}
+
+// Name applies equality check predicate on the "name" field. It's identical to NameEQ.
+func Name(v string) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldName, v))
+}
+
+// Description applies equality check predicate on the "description" field. It's identical to DescriptionEQ.
+func Description(v string) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldDescription, v))
+}
+
+// Price applies equality check predicate on the "price" field. It's identical to PriceEQ.
+func Price(v float64) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldPrice, v))
+}
+
+// OriginalPrice applies equality check predicate on the "original_price" field. It's identical to OriginalPriceEQ.
+func OriginalPrice(v float64) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldOriginalPrice, v))
+}
+
+// Quantity applies equality check predicate on the "quantity" field. It's identical to QuantityEQ.
+func Quantity(v int) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldQuantity, v))
+}
+
+// Status applies equality check predicate on the "status" field. It's identical to StatusEQ.
+func Status(v bool) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldStatus, v))
+}
+
+// CreatedAt applies equality check predicate on the "created_at" field. It's identical to CreatedAtEQ.
+func CreatedAt(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// UpdatedAt applies equality check predicate on the "updated_at" field. It's identical to UpdatedAtEQ.
+func UpdatedAt(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldUpdatedAt, v))
+}
+
+// NameEQ applies the EQ predicate on the "name" field.
+func NameEQ(v string) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldName, v))
+}
+
+// NameNEQ applies the NEQ predicate on the "name" field.
+func NameNEQ(v string) predicate.Product {
+	return predicate.Product(sql.FieldNEQ(FieldName, v))
+}
+
+// NameIn applies the In predicate on the "name" field.
+func NameIn(vs ...string) predicate.Product {
+	return predicate.Product(sql.FieldIn(FieldName, vs...))
+}
+
+// NameNotIn applies the NotIn predicate on the "name" field.
+func NameNotIn(vs ...string) predicate.Product {
+	return predicate.Product(sql.FieldNotIn(FieldName, vs...))
+}
+
+// NameGT applies the GT predicate on the "name" field.
+func NameGT(v string) predicate.Product {
+	return predicate.Product(sql.FieldGT(FieldName, v))
+}
+
+// NameGTE applies the GTE predicate on the "name" field.
+func NameGTE(v string) predicate.Product {
+	return predicate.Product(sql.FieldGTE(FieldName, v))
+}
+
+// NameLT applies the LT predicate on the "name" field.
+func NameLT(v string) predicate.Product {
+	return predicate.Product(sql.FieldLT(FieldName, v))
+}
+
+// NameLTE applies the LTE predicate on the "name" field.
+func NameLTE(v string) predicate.Product {
+	return predicate.Product(sql.FieldLTE(FieldName, v))
+}
+
+// NameContains applies the Contains predicate on the "name" field.
+func NameContains(v string) predicate.Product {
+	return predicate.Product(sql.FieldContains(FieldName, v))
+}
+
+// NameHasPrefix applies the HasPrefix predicate on the "name" field.
+func NameHasPrefix(v string) predicate.Product {
+	return predicate.Product(sql.FieldHasPrefix(FieldName, v))
+}
+
+// NameHasSuffix applies the HasSuffix predicate on the "name" field.
+func NameHasSuffix(v string) predicate.Product {
+	return predicate.Product(sql.FieldHasSuffix(FieldName, v))
+}
+
+// NameEqualFold applies the EqualFold predicate on the "name" field.
+func NameEqualFold(v string) predicate.Product {
+	return predicate.Product(sql.FieldEqualFold(FieldName, v))
+}
+
+// NameContainsFold applies the ContainsFold predicate on the "name" field.
+func NameContainsFold(v string) predicate.Product {
+	return predicate.Product(sql.FieldContainsFold(FieldName, v))
+}
+
+// DescriptionEQ applies the EQ predicate on the "description" field.
+func DescriptionEQ(v string) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldDescription, v))
+}
+
+// DescriptionNEQ applies the NEQ predicate on the "description" field.
+func DescriptionNEQ(v string) predicate.Product {
+	return predicate.Product(sql.FieldNEQ(FieldDescription, v))
+}
+
+// DescriptionIn applies the In predicate on the "description" field.
+func DescriptionIn(vs ...string) predicate.Product {
+	return predicate.Product(sql.FieldIn(FieldDescription, vs...))
+}
+
+// DescriptionNotIn applies the NotIn predicate on the "description" field.
+func DescriptionNotIn(vs ...string) predicate.Product {
+	return predicate.Product(sql.FieldNotIn(FieldDescription, vs...))
+}
+
+// DescriptionGT applies the GT predicate on the "description" field.
+func DescriptionGT(v string) predicate.Product {
+	return predicate.Product(sql.FieldGT(FieldDescription, v))
+}
+
+// DescriptionGTE applies the GTE predicate on the "description" field.
+func DescriptionGTE(v string) predicate.Product {
+	return predicate.Product(sql.FieldGTE(FieldDescription, v))
+}
+
+// DescriptionLT applies the LT predicate on the "description" field.
+func DescriptionLT(v string) predicate.Product {
+	return predicate.Product(sql.FieldLT(FieldDescription, v))
+}
+
+// DescriptionLTE applies the LTE predicate on the "description" field.
+func DescriptionLTE(v string) predicate.Product {
+	return predicate.Product(sql.FieldLTE(FieldDescription, v))
+}
+
+// DescriptionContains applies the Contains predicate on the "description" field.
+func DescriptionContains(v string) predicate.Product {
+	return predicate.Product(sql.FieldContains(FieldDescription, v))
+}
+
+// DescriptionHasPrefix applies the HasPrefix predicate on the "description" field.
+func DescriptionHasPrefix(v string) predicate.Product {
+	return predicate.Product(sql.FieldHasPrefix(FieldDescription, v))
+}
+
+// DescriptionHasSuffix applies the HasSuffix predicate on the "description" field.
+func DescriptionHasSuffix(v string) predicate.Product {
+	return predicate.Product(sql.FieldHasSuffix(FieldDescription, v))
+}
+
+// DescriptionIsNil applies the IsNil predicate on the "description" field.
+func DescriptionIsNil() predicate.Product {
+	return predicate.Product(sql.FieldIsNull(FieldDescription))
+}
+
+// DescriptionNotNil applies the NotNil predicate on the "description" field.
+func DescriptionNotNil() predicate.Product {
+	return predicate.Product(sql.FieldNotNull(FieldDescription))
+}
+
+// DescriptionEqualFold applies the EqualFold predicate on the "description" field.
+func DescriptionEqualFold(v string) predicate.Product {
+	return predicate.Product(sql.FieldEqualFold(FieldDescription, v))
+}
+
+// DescriptionContainsFold applies the ContainsFold predicate on the "description" field.
+func DescriptionContainsFold(v string) predicate.Product {
+	return predicate.Product(sql.FieldContainsFold(FieldDescription, v))
+}
+
+// PriceEQ applies the EQ predicate on the "price" field.
+func PriceEQ(v float64) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldPrice, v))
+}
+
+// PriceNEQ applies the NEQ predicate on the "price" field.
+func PriceNEQ(v float64) predicate.Product {
+	return predicate.Product(sql.FieldNEQ(FieldPrice, v))
+}
+
+// PriceIn applies the In predicate on the "price" field.
+func PriceIn(vs ...float64) predicate.Product {
+	return predicate.Product(sql.FieldIn(FieldPrice, vs...))
+}
+
+// PriceNotIn applies the NotIn predicate on the "price" field.
+func PriceNotIn(vs ...float64) predicate.Product {
+	return predicate.Product(sql.FieldNotIn(FieldPrice, vs...))
+}
+
+// PriceGT applies the GT predicate on the "price" field.
+func PriceGT(v float64) predicate.Product {
+	return predicate.Product(sql.FieldGT(FieldPrice, v))
+}
+
+// PriceGTE applies the GTE predicate on the "price" field.
+func PriceGTE(v float64) predicate.Product {
+	return predicate.Product(sql.FieldGTE(FieldPrice, v))
+}
+
+// PriceLT applies the LT predicate on the "price" field.
+func PriceLT(v float64) predicate.Product {
+	return predicate.Product(sql.FieldLT(FieldPrice, v))
+}
+
+// PriceLTE applies the LTE predicate on the "price" field.
+func PriceLTE(v float64) predicate.Product {
+	return predicate.Product(sql.FieldLTE(FieldPrice, v))
+}
+
+// OriginalPriceEQ applies the EQ predicate on the "original_price" field.
+func OriginalPriceEQ(v float64) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldOriginalPrice, v))
+}
+
+// OriginalPriceNEQ applies the NEQ predicate on the "original_price" field.
+func OriginalPriceNEQ(v float64) predicate.Product {
+	return predicate.Product(sql.FieldNEQ(FieldOriginalPrice, v))
+}
+
+// OriginalPriceIn applies the In predicate on the "original_price" field.
+func OriginalPriceIn(vs ...float64) predicate.Product {
+	return predicate.Product(sql.FieldIn(FieldOriginalPrice, vs...))
+}
+
+// OriginalPriceNotIn applies the NotIn predicate on the "original_price" field.
+func OriginalPriceNotIn(vs ...float64) predicate.Product {
+	return predicate.Product(sql.FieldNotIn(FieldOriginalPrice, vs...))
+}
+
+// OriginalPriceGT applies the GT predicate on the "original_price" field.
+func OriginalPriceGT(v float64) predicate.Product {
+	return predicate.Product(sql.FieldGT(FieldOriginalPrice, v))
+}
+
+// OriginalPriceGTE applies the GTE predicate on the "original_price" field.
+func OriginalPriceGTE(v float64) predicate.Product {
+	return predicate.Product(sql.FieldGTE(FieldOriginalPrice, v))
+}
+
+// OriginalPriceLT applies the LT predicate on the "original_price" field.
+func OriginalPriceLT(v float64) predicate.Product {
+	return predicate.Product(sql.FieldLT(FieldOriginalPrice, v))
+}
+
+// OriginalPriceLTE applies the LTE predicate on the "original_price" field.
+func OriginalPriceLTE(v float64) predicate.Product {
+	return predicate.Product(sql.FieldLTE(FieldOriginalPrice, v))
+}
+
+// QuantityEQ applies the EQ predicate on the "quantity" field.
+func QuantityEQ(v int) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldQuantity, v))
+}
+
+// QuantityNEQ applies the NEQ predicate on the "quantity" field.
+func QuantityNEQ(v int) predicate.Product {
+	return predicate.Product(sql.FieldNEQ(FieldQuantity, v))
+}
+
+// QuantityIn applies the In predicate on the "quantity" field.
+func QuantityIn(vs ...int) predicate.Product {
+	return predicate.Product(sql.FieldIn(FieldQuantity, vs...))
+}
+
+// QuantityNotIn applies the NotIn predicate on the "quantity" field.
+func QuantityNotIn(vs ...int) predicate.Product {
+	return predicate.Product(sql.FieldNotIn(FieldQuantity, vs...))
+}
+
+// QuantityGT applies the GT predicate on the "quantity" field.
+func QuantityGT(v int) predicate.Product {
+	return predicate.Product(sql.FieldGT(FieldQuantity, v))
+}
+
+// QuantityGTE applies the GTE predicate on the "quantity" field.
+func QuantityGTE(v int) predicate.Product {
+	return predicate.Product(sql.FieldGTE(FieldQuantity, v))
+}
+
+// QuantityLT applies the LT predicate on the "quantity" field.
+func QuantityLT(v int) predicate.Product {
+	return predicate.Product(sql.FieldLT(FieldQuantity, v))
+}
+
+// QuantityLTE applies the LTE predicate on the "quantity" field.
+func QuantityLTE(v int) predicate.Product {
+	return predicate.Product(sql.FieldLTE(FieldQuantity, v))
+}
+
+// StatusEQ applies the EQ predicate on the "status" field.
+func StatusEQ(v bool) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldStatus, v))
+}
+
+// StatusNEQ applies the NEQ predicate on the "status" field.
+func StatusNEQ(v bool) predicate.Product {
+	return predicate.Product(sql.FieldNEQ(FieldStatus, v))
+}
+
+// CreatedAtEQ applies the EQ predicate on the "created_at" field.
+func CreatedAtEQ(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtNEQ applies the NEQ predicate on the "created_at" field.
+func CreatedAtNEQ(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldNEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtIn applies the In predicate on the "created_at" field.
+func CreatedAtIn(vs ...time.Time) predicate.Product {
+	return predicate.Product(sql.FieldIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtNotIn applies the NotIn predicate on the "created_at" field.
+func CreatedAtNotIn(vs ...time.Time) predicate.Product {
+	return predicate.Product(sql.FieldNotIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtGT applies the GT predicate on the "created_at" field.
+func CreatedAtGT(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldGT(FieldCreatedAt, v))
+}
+
+// CreatedAtGTE applies the GTE predicate on the "created_at" field.
+func CreatedAtGTE(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldGTE(FieldCreatedAt, v))
+}
+
+// CreatedAtLT applies the LT predicate on the "created_at" field.
+func CreatedAtLT(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldLT(FieldCreatedAt, v))
+}
+
+// CreatedAtLTE applies the LTE predicate on the "created_at" field.
+func CreatedAtLTE(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldLTE(FieldCreatedAt, v))
+}
+
+// UpdatedAtEQ applies the EQ predicate on the "updated_at" field.
+func UpdatedAtEQ(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldEQ(FieldUpdatedAt, v))
+}
+
+// UpdatedAtNEQ applies the NEQ predicate on the "updated_at" field.
+func UpdatedAtNEQ(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldNEQ(FieldUpdatedAt, v))
+}
+
+// UpdatedAtIn applies the In predicate on the "updated_at" field.
+func UpdatedAtIn(vs ...time.Time) predicate.Product {
+	return predicate.Product(sql.FieldIn(FieldUpdatedAt, vs...))
+}
+
+// UpdatedAtNotIn applies the NotIn predicate on the "updated_at" field.
+func UpdatedAtNotIn(vs ...time.Time) predicate.Product {
+	return predicate.Product(sql.FieldNotIn(FieldUpdatedAt, vs...))
+}
+
+// UpdatedAtGT applies the GT predicate on the "updated_at" field.
+func UpdatedAtGT(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldGT(FieldUpdatedAt, v))
+}
+
+// UpdatedAtGTE applies the GTE predicate on the "updated_at" field.
+func UpdatedAtGTE(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldGTE(FieldUpdatedAt, v))
+}
+
+// UpdatedAtLT applies the LT predicate on the "updated_at" field.
+func UpdatedAtLT(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldLT(FieldUpdatedAt, v))
+}
+
+// UpdatedAtLTE applies the LTE predicate on the "updated_at" field.
+func UpdatedAtLTE(v time.Time) predicate.Product {
+	return predicate.Product(sql.FieldLTE(FieldUpdatedAt, v))
+}
+
+// HasProductCategory applies the HasEdge predicate on the "productCategory" edge.
+func HasProductCategory() predicate.Product {
+	return predicate.Product(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, true, ProductCategoryTable, ProductCategoryPrimaryKey...),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasProductCategoryWith applies the HasEdge predicate on the "productCategory" edge with a given conditions (other predicates).
+func HasProductCategoryWith(preds ...predicate.ProductCategory) predicate.Product {
+	return predicate.Product(func(s *sql.Selector) {
+		step := newProductCategoryStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.Product) predicate.Product {
+	return predicate.Product(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.Product) predicate.Product {
+	return predicate.Product(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.Product) predicate.Product {
+	return predicate.Product(sql.NotPredicates(p))
+}

ent/product_create.go

@@ -0,0 +1,417 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"online-order/ent/product"
+	"online-order/ent/productcategory"
+	"time"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProductCreate is the builder for creating a Product entity.
+type ProductCreate struct {
+	config
+	mutation *ProductMutation
+	hooks    []Hook
+}
+
+// SetName sets the "name" field.
+func (pc *ProductCreate) SetName(s string) *ProductCreate {
+	pc.mutation.SetName(s)
+	return pc
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (pc *ProductCreate) SetNillableName(s *string) *ProductCreate {
+	if s != nil {
+		pc.SetName(*s)
+	}
+	return pc
+}
+
+// SetDescription sets the "description" field.
+func (pc *ProductCreate) SetDescription(s string) *ProductCreate {
+	pc.mutation.SetDescription(s)
+	return pc
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (pc *ProductCreate) SetNillableDescription(s *string) *ProductCreate {
+	if s != nil {
+		pc.SetDescription(*s)
+	}
+	return pc
+}
+
+// SetPrice sets the "price" field.
+func (pc *ProductCreate) SetPrice(f float64) *ProductCreate {
+	pc.mutation.SetPrice(f)
+	return pc
+}
+
+// SetNillablePrice sets the "price" field if the given value is not nil.
+func (pc *ProductCreate) SetNillablePrice(f *float64) *ProductCreate {
+	if f != nil {
+		pc.SetPrice(*f)
+	}
+	return pc
+}
+
+// SetOriginalPrice sets the "original_price" field.
+func (pc *ProductCreate) SetOriginalPrice(f float64) *ProductCreate {
+	pc.mutation.SetOriginalPrice(f)
+	return pc
+}
+
+// SetNillableOriginalPrice sets the "original_price" field if the given value is not nil.
+func (pc *ProductCreate) SetNillableOriginalPrice(f *float64) *ProductCreate {
+	if f != nil {
+		pc.SetOriginalPrice(*f)
+	}
+	return pc
+}
+
+// SetQuantity sets the "quantity" field.
+func (pc *ProductCreate) SetQuantity(i int) *ProductCreate {
+	pc.mutation.SetQuantity(i)
+	return pc
+}
+
+// SetNillableQuantity sets the "quantity" field if the given value is not nil.
+func (pc *ProductCreate) SetNillableQuantity(i *int) *ProductCreate {
+	if i != nil {
+		pc.SetQuantity(*i)
+	}
+	return pc
+}
+
+// SetStatus sets the "status" field.
+func (pc *ProductCreate) SetStatus(b bool) *ProductCreate {
+	pc.mutation.SetStatus(b)
+	return pc
+}
+
+// SetNillableStatus sets the "status" field if the given value is not nil.
+func (pc *ProductCreate) SetNillableStatus(b *bool) *ProductCreate {
+	if b != nil {
+		pc.SetStatus(*b)
+	}
+	return pc
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (pc *ProductCreate) SetCreatedAt(t time.Time) *ProductCreate {
+	pc.mutation.SetCreatedAt(t)
+	return pc
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (pc *ProductCreate) SetNillableCreatedAt(t *time.Time) *ProductCreate {
+	if t != nil {
+		pc.SetCreatedAt(*t)
+	}
+	return pc
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (pc *ProductCreate) SetUpdatedAt(t time.Time) *ProductCreate {
+	pc.mutation.SetUpdatedAt(t)
+	return pc
+}
+
+// SetNillableUpdatedAt sets the "updated_at" field if the given value is not nil.
+func (pc *ProductCreate) SetNillableUpdatedAt(t *time.Time) *ProductCreate {
+	if t != nil {
+		pc.SetUpdatedAt(*t)
+	}
+	return pc
+}
+
+// AddProductCategoryIDs adds the "productCategory" edge to the ProductCategory entity by IDs.
+func (pc *ProductCreate) AddProductCategoryIDs(ids ...int) *ProductCreate {
+	pc.mutation.AddProductCategoryIDs(ids...)
+	return pc
+}
+
+// AddProductCategory adds the "productCategory" edges to the ProductCategory entity.
+func (pc *ProductCreate) AddProductCategory(p ...*ProductCategory) *ProductCreate {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return pc.AddProductCategoryIDs(ids...)
+}
+
+// Mutation returns the ProductMutation object of the builder.
+func (pc *ProductCreate) Mutation() *ProductMutation {
+	return pc.mutation
+}
+
+// Save creates the Product in the database.
+func (pc *ProductCreate) Save(ctx context.Context) (*Product, error) {
+	pc.defaults()
+	return withHooks(ctx, pc.sqlSave, pc.mutation, pc.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (pc *ProductCreate) SaveX(ctx context.Context) *Product {
+	v, err := pc.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (pc *ProductCreate) Exec(ctx context.Context) error {
+	_, err := pc.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pc *ProductCreate) ExecX(ctx context.Context) {
+	if err := pc.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (pc *ProductCreate) defaults() {
+	if _, ok := pc.mutation.Name(); !ok {
+		v := product.DefaultName
+		pc.mutation.SetName(v)
+	}
+	if _, ok := pc.mutation.Price(); !ok {
+		v := product.DefaultPrice
+		pc.mutation.SetPrice(v)
+	}
+	if _, ok := pc.mutation.OriginalPrice(); !ok {
+		v := product.DefaultOriginalPrice
+		pc.mutation.SetOriginalPrice(v)
+	}
+	if _, ok := pc.mutation.Quantity(); !ok {
+		v := product.DefaultQuantity
+		pc.mutation.SetQuantity(v)
+	}
+	if _, ok := pc.mutation.Status(); !ok {
+		v := product.DefaultStatus
+		pc.mutation.SetStatus(v)
+	}
+	if _, ok := pc.mutation.CreatedAt(); !ok {
+		v := product.DefaultCreatedAt
+		pc.mutation.SetCreatedAt(v)
+	}
+	if _, ok := pc.mutation.UpdatedAt(); !ok {
+		v := product.DefaultUpdatedAt
+		pc.mutation.SetUpdatedAt(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (pc *ProductCreate) check() error {
+	if _, ok := pc.mutation.Name(); !ok {
+		return &ValidationError{Name: "name", err: errors.New(`ent: missing required field "Product.name"`)}
+	}
+	if _, ok := pc.mutation.Price(); !ok {
+		return &ValidationError{Name: "price", err: errors.New(`ent: missing required field "Product.price"`)}
+	}
+	if v, ok := pc.mutation.Price(); ok {
+		if err := product.PriceValidator(v); err != nil {
+			return &ValidationError{Name: "price", err: fmt.Errorf(`ent: validator failed for field "Product.price": %w`, err)}
+		}
+	}
+	if _, ok := pc.mutation.OriginalPrice(); !ok {
+		return &ValidationError{Name: "original_price", err: errors.New(`ent: missing required field "Product.original_price"`)}
+	}
+	if v, ok := pc.mutation.OriginalPrice(); ok {
+		if err := product.OriginalPriceValidator(v); err != nil {
+			return &ValidationError{Name: "original_price", err: fmt.Errorf(`ent: validator failed for field "Product.original_price": %w`, err)}
+		}
+	}
+	if _, ok := pc.mutation.Quantity(); !ok {
+		return &ValidationError{Name: "quantity", err: errors.New(`ent: missing required field "Product.quantity"`)}
+	}
+	if v, ok := pc.mutation.Quantity(); ok {
+		if err := product.QuantityValidator(v); err != nil {
+			return &ValidationError{Name: "quantity", err: fmt.Errorf(`ent: validator failed for field "Product.quantity": %w`, err)}
+		}
+	}
+	if _, ok := pc.mutation.Status(); !ok {
+		return &ValidationError{Name: "status", err: errors.New(`ent: missing required field "Product.status"`)}
+	}
+	if _, ok := pc.mutation.CreatedAt(); !ok {
+		return &ValidationError{Name: "created_at", err: errors.New(`ent: missing required field "Product.created_at"`)}
+	}
+	if _, ok := pc.mutation.UpdatedAt(); !ok {
+		return &ValidationError{Name: "updated_at", err: errors.New(`ent: missing required field "Product.updated_at"`)}
+	}
+	return nil
+}
+
+func (pc *ProductCreate) sqlSave(ctx context.Context) (*Product, error) {
+	if err := pc.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := pc.createSpec()
+	if err := sqlgraph.CreateNode(ctx, pc.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	pc.mutation.id = &_node.ID
+	pc.mutation.done = true
+	return _node, nil
+}
+
+func (pc *ProductCreate) createSpec() (*Product, *sqlgraph.CreateSpec) {
+	var (
+		_node = &Product{config: pc.config}
+		_spec = sqlgraph.NewCreateSpec(product.Table, sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt))
+	)
+	if value, ok := pc.mutation.Name(); ok {
+		_spec.SetField(product.FieldName, field.TypeString, value)
+		_node.Name = value
+	}
+	if value, ok := pc.mutation.Description(); ok {
+		_spec.SetField(product.FieldDescription, field.TypeString, value)
+		_node.Description = &value
+	}
+	if value, ok := pc.mutation.Price(); ok {
+		_spec.SetField(product.FieldPrice, field.TypeFloat64, value)
+		_node.Price = value
+	}
+	if value, ok := pc.mutation.OriginalPrice(); ok {
+		_spec.SetField(product.FieldOriginalPrice, field.TypeFloat64, value)
+		_node.OriginalPrice = value
+	}
+	if value, ok := pc.mutation.Quantity(); ok {
+		_spec.SetField(product.FieldQuantity, field.TypeInt, value)
+		_node.Quantity = value
+	}
+	if value, ok := pc.mutation.Status(); ok {
+		_spec.SetField(product.FieldStatus, field.TypeBool, value)
+		_node.Status = value
+	}
+	if value, ok := pc.mutation.CreatedAt(); ok {
+		_spec.SetField(product.FieldCreatedAt, field.TypeTime, value)
+		_node.CreatedAt = value
+	}
+	if value, ok := pc.mutation.UpdatedAt(); ok {
+		_spec.SetField(product.FieldUpdatedAt, field.TypeTime, value)
+		_node.UpdatedAt = value
+	}
+	if nodes := pc.mutation.ProductCategoryIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   product.ProductCategoryTable,
+			Columns: product.ProductCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// ProductCreateBulk is the builder for creating many Product entities in bulk.
+type ProductCreateBulk struct {
+	config
+	err      error
+	builders []*ProductCreate
+}
+
+// Save creates the Product entities in the database.
+func (pcb *ProductCreateBulk) Save(ctx context.Context) ([]*Product, error) {
+	if pcb.err != nil {
+		return nil, pcb.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(pcb.builders))
+	nodes := make([]*Product, len(pcb.builders))
+	mutators := make([]Mutator, len(pcb.builders))
+	for i := range pcb.builders {
+		func(i int, root context.Context) {
+			builder := pcb.builders[i]
+			builder.defaults()
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*ProductMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, pcb.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, pcb.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, pcb.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (pcb *ProductCreateBulk) SaveX(ctx context.Context) []*Product {
+	v, err := pcb.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (pcb *ProductCreateBulk) Exec(ctx context.Context) error {
+	_, err := pcb.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pcb *ProductCreateBulk) ExecX(ctx context.Context) {
+	if err := pcb.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

ent/product_delete.go

@@ -0,0 +1,88 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"online-order/ent/predicate"
+	"online-order/ent/product"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProductDelete is the builder for deleting a Product entity.
+type ProductDelete struct {
+	config
+	hooks    []Hook
+	mutation *ProductMutation
+}
+
+// Where appends a list predicates to the ProductDelete builder.
+func (pd *ProductDelete) Where(ps ...predicate.Product) *ProductDelete {
+	pd.mutation.Where(ps...)
+	return pd
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (pd *ProductDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, pd.sqlExec, pd.mutation, pd.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pd *ProductDelete) ExecX(ctx context.Context) int {
+	n, err := pd.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (pd *ProductDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(product.Table, sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt))
+	if ps := pd.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, pd.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	pd.mutation.done = true
+	return affected, err
+}
+
+// ProductDeleteOne is the builder for deleting a single Product entity.
+type ProductDeleteOne struct {
+	pd *ProductDelete
+}
+
+// Where appends a list predicates to the ProductDelete builder.
+func (pdo *ProductDeleteOne) Where(ps ...predicate.Product) *ProductDeleteOne {
+	pdo.pd.mutation.Where(ps...)
+	return pdo
+}
+
+// Exec executes the deletion query.
+func (pdo *ProductDeleteOne) Exec(ctx context.Context) error {
+	n, err := pdo.pd.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{product.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pdo *ProductDeleteOne) ExecX(ctx context.Context) {
+	if err := pdo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

ent/product_query.go

@@ -0,0 +1,636 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"database/sql/driver"
+	"fmt"
+	"math"
+	"online-order/ent/predicate"
+	"online-order/ent/product"
+	"online-order/ent/productcategory"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProductQuery is the builder for querying Product entities.
+type ProductQuery struct {
+	config
+	ctx                 *QueryContext
+	order               []product.OrderOption
+	inters              []Interceptor
+	predicates          []predicate.Product
+	withProductCategory *ProductCategoryQuery
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the ProductQuery builder.
+func (pq *ProductQuery) Where(ps ...predicate.Product) *ProductQuery {
+	pq.predicates = append(pq.predicates, ps...)
+	return pq
+}
+
+// Limit the number of records to be returned by this query.
+func (pq *ProductQuery) Limit(limit int) *ProductQuery {
+	pq.ctx.Limit = &limit
+	return pq
+}
+
+// Offset to start from.
+func (pq *ProductQuery) Offset(offset int) *ProductQuery {
+	pq.ctx.Offset = &offset
+	return pq
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (pq *ProductQuery) Unique(unique bool) *ProductQuery {
+	pq.ctx.Unique = &unique
+	return pq
+}
+
+// Order specifies how the records should be ordered.
+func (pq *ProductQuery) Order(o ...product.OrderOption) *ProductQuery {
+	pq.order = append(pq.order, o...)
+	return pq
+}
+
+// QueryProductCategory chains the current query on the "productCategory" edge.
+func (pq *ProductQuery) QueryProductCategory() *ProductCategoryQuery {
+	query := (&ProductCategoryClient{config: pq.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := pq.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := pq.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(product.Table, product.FieldID, selector),
+			sqlgraph.To(productcategory.Table, productcategory.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, true, product.ProductCategoryTable, product.ProductCategoryPrimaryKey...),
+		)
+		fromU = sqlgraph.SetNeighbors(pq.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// First returns the first Product entity from the query.
+// Returns a *NotFoundError when no Product was found.
+func (pq *ProductQuery) First(ctx context.Context) (*Product, error) {
+	nodes, err := pq.Limit(1).All(setContextOp(ctx, pq.ctx, "First"))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{product.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (pq *ProductQuery) FirstX(ctx context.Context) *Product {
+	node, err := pq.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first Product ID from the query.
+// Returns a *NotFoundError when no Product ID was found.
+func (pq *ProductQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = pq.Limit(1).IDs(setContextOp(ctx, pq.ctx, "FirstID")); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{product.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (pq *ProductQuery) FirstIDX(ctx context.Context) int {
+	id, err := pq.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single Product entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one Product entity is found.
+// Returns a *NotFoundError when no Product entities are found.
+func (pq *ProductQuery) Only(ctx context.Context) (*Product, error) {
+	nodes, err := pq.Limit(2).All(setContextOp(ctx, pq.ctx, "Only"))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{product.Label}
+	default:
+		return nil, &NotSingularError{product.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (pq *ProductQuery) OnlyX(ctx context.Context) *Product {
+	node, err := pq.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only Product ID in the query.
+// Returns a *NotSingularError when more than one Product ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (pq *ProductQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = pq.Limit(2).IDs(setContextOp(ctx, pq.ctx, "OnlyID")); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{product.Label}
+	default:
+		err = &NotSingularError{product.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (pq *ProductQuery) OnlyIDX(ctx context.Context) int {
+	id, err := pq.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of Products.
+func (pq *ProductQuery) All(ctx context.Context) ([]*Product, error) {
+	ctx = setContextOp(ctx, pq.ctx, "All")
+	if err := pq.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*Product, *ProductQuery]()
+	return withInterceptors[[]*Product](ctx, pq, qr, pq.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (pq *ProductQuery) AllX(ctx context.Context) []*Product {
+	nodes, err := pq.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of Product IDs.
+func (pq *ProductQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if pq.ctx.Unique == nil && pq.path != nil {
+		pq.Unique(true)
+	}
+	ctx = setContextOp(ctx, pq.ctx, "IDs")
+	if err = pq.Select(product.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (pq *ProductQuery) IDsX(ctx context.Context) []int {
+	ids, err := pq.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (pq *ProductQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, pq.ctx, "Count")
+	if err := pq.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, pq, querierCount[*ProductQuery](), pq.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (pq *ProductQuery) CountX(ctx context.Context) int {
+	count, err := pq.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (pq *ProductQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, pq.ctx, "Exist")
+	switch _, err := pq.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("ent: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (pq *ProductQuery) ExistX(ctx context.Context) bool {
+	exist, err := pq.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the ProductQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (pq *ProductQuery) Clone() *ProductQuery {
+	if pq == nil {
+		return nil
+	}
+	return &ProductQuery{
+		config:              pq.config,
+		ctx:                 pq.ctx.Clone(),
+		order:               append([]product.OrderOption{}, pq.order...),
+		inters:              append([]Interceptor{}, pq.inters...),
+		predicates:          append([]predicate.Product{}, pq.predicates...),
+		withProductCategory: pq.withProductCategory.Clone(),
+		// clone intermediate query.
+		sql:  pq.sql.Clone(),
+		path: pq.path,
+	}
+}
+
+// WithProductCategory tells the query-builder to eager-load the nodes that are connected to
+// the "productCategory" edge. The optional arguments are used to configure the query builder of the edge.
+func (pq *ProductQuery) WithProductCategory(opts ...func(*ProductCategoryQuery)) *ProductQuery {
+	query := (&ProductCategoryClient{config: pq.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	pq.withProductCategory = query
+	return pq
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.Product.Query().
+//		GroupBy(product.FieldName).
+//		Aggregate(ent.Count()).
+//		Scan(ctx, &v)
+func (pq *ProductQuery) GroupBy(field string, fields ...string) *ProductGroupBy {
+	pq.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &ProductGroupBy{build: pq}
+	grbuild.flds = &pq.ctx.Fields
+	grbuild.label = product.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//	}
+//
+//	client.Product.Query().
+//		Select(product.FieldName).
+//		Scan(ctx, &v)
+func (pq *ProductQuery) Select(fields ...string) *ProductSelect {
+	pq.ctx.Fields = append(pq.ctx.Fields, fields...)
+	sbuild := &ProductSelect{ProductQuery: pq}
+	sbuild.label = product.Label
+	sbuild.flds, sbuild.scan = &pq.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a ProductSelect configured with the given aggregations.
+func (pq *ProductQuery) Aggregate(fns ...AggregateFunc) *ProductSelect {
+	return pq.Select().Aggregate(fns...)
+}
+
+func (pq *ProductQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range pq.inters {
+		if inter == nil {
+			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, pq); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range pq.ctx.Fields {
+		if !product.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+		}
+	}
+	if pq.path != nil {
+		prev, err := pq.path(ctx)
+		if err != nil {
+			return err
+		}
+		pq.sql = prev
+	}
+	return nil
+}
+
+func (pq *ProductQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Product, error) {
+	var (
+		nodes       = []*Product{}
+		_spec       = pq.querySpec()
+		loadedTypes = [1]bool{
+			pq.withProductCategory != nil,
+		}
+	)
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*Product).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &Product{config: pq.config}
+		nodes = append(nodes, node)
+		node.Edges.loadedTypes = loadedTypes
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, pq.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	if query := pq.withProductCategory; query != nil {
+		if err := pq.loadProductCategory(ctx, query, nodes,
+			func(n *Product) { n.Edges.ProductCategory = []*ProductCategory{} },
+			func(n *Product, e *ProductCategory) { n.Edges.ProductCategory = append(n.Edges.ProductCategory, e) }); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+func (pq *ProductQuery) loadProductCategory(ctx context.Context, query *ProductCategoryQuery, nodes []*Product, init func(*Product), assign func(*Product, *ProductCategory)) error {
+	edgeIDs := make([]driver.Value, len(nodes))
+	byID := make(map[int]*Product)
+	nids := make(map[int]map[*Product]struct{})
+	for i, node := range nodes {
+		edgeIDs[i] = node.ID
+		byID[node.ID] = node
+		if init != nil {
+			init(node)
+		}
+	}
+	query.Where(func(s *sql.Selector) {
+		joinT := sql.Table(product.ProductCategoryTable)
+		s.Join(joinT).On(s.C(productcategory.FieldID), joinT.C(product.ProductCategoryPrimaryKey[0]))
+		s.Where(sql.InValues(joinT.C(product.ProductCategoryPrimaryKey[1]), edgeIDs...))
+		columns := s.SelectedColumns()
+		s.Select(joinT.C(product.ProductCategoryPrimaryKey[1]))
+		s.AppendSelect(columns...)
+		s.SetDistinct(false)
+	})
+	if err := query.prepareQuery(ctx); err != nil {
+		return err
+	}
+	qr := QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		return query.sqlAll(ctx, func(_ context.Context, spec *sqlgraph.QuerySpec) {
+			assign := spec.Assign
+			values := spec.ScanValues
+			spec.ScanValues = func(columns []string) ([]any, error) {
+				values, err := values(columns[1:])
+				if err != nil {
+					return nil, err
+				}
+				return append([]any{new(sql.NullInt64)}, values...), nil
+			}
+			spec.Assign = func(columns []string, values []any) error {
+				outValue := int(values[0].(*sql.NullInt64).Int64)
+				inValue := int(values[1].(*sql.NullInt64).Int64)
+				if nids[inValue] == nil {
+					nids[inValue] = map[*Product]struct{}{byID[outValue]: {}}
+					return assign(columns[1:], values[1:])
+				}
+				nids[inValue][byID[outValue]] = struct{}{}
+				return nil
+			}
+		})
+	})
+	neighbors, err := withInterceptors[[]*ProductCategory](ctx, query, qr, query.inters)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected "productCategory" node returned %v`, n.ID)
+		}
+		for kn := range nodes {
+			assign(kn, n)
+		}
+	}
+	return nil
+}
+
+func (pq *ProductQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := pq.querySpec()
+	_spec.Node.Columns = pq.ctx.Fields
+	if len(pq.ctx.Fields) > 0 {
+		_spec.Unique = pq.ctx.Unique != nil && *pq.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, pq.driver, _spec)
+}
+
+func (pq *ProductQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(product.Table, product.Columns, sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt))
+	_spec.From = pq.sql
+	if unique := pq.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if pq.path != nil {
+		_spec.Unique = true
+	}
+	if fields := pq.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, product.FieldID)
+		for i := range fields {
+			if fields[i] != product.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := pq.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := pq.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := pq.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := pq.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (pq *ProductQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(pq.driver.Dialect())
+	t1 := builder.Table(product.Table)
+	columns := pq.ctx.Fields
+	if len(columns) == 0 {
+		columns = product.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if pq.sql != nil {
+		selector = pq.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if pq.ctx.Unique != nil && *pq.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range pq.predicates {
+		p(selector)
+	}
+	for _, p := range pq.order {
+		p(selector)
+	}
+	if offset := pq.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := pq.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// ProductGroupBy is the group-by builder for Product entities.
+type ProductGroupBy struct {
+	selector
+	build *ProductQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (pgb *ProductGroupBy) Aggregate(fns ...AggregateFunc) *ProductGroupBy {
+	pgb.fns = append(pgb.fns, fns...)
+	return pgb
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (pgb *ProductGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, pgb.build.ctx, "GroupBy")
+	if err := pgb.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*ProductQuery, *ProductGroupBy](ctx, pgb.build, pgb, pgb.build.inters, v)
+}
+
+func (pgb *ProductGroupBy) sqlScan(ctx context.Context, root *ProductQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(pgb.fns))
+	for _, fn := range pgb.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*pgb.flds)+len(pgb.fns))
+		for _, f := range *pgb.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*pgb.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := pgb.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// ProductSelect is the builder for selecting fields of Product entities.
+type ProductSelect struct {
+	*ProductQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (ps *ProductSelect) Aggregate(fns ...AggregateFunc) *ProductSelect {
+	ps.fns = append(ps.fns, fns...)
+	return ps
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (ps *ProductSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, ps.ctx, "Select")
+	if err := ps.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*ProductQuery, *ProductSelect](ctx, ps.ProductQuery, ps, ps.inters, v)
+}
+
+func (ps *ProductSelect) sqlScan(ctx context.Context, root *ProductQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(ps.fns))
+	for _, fn := range ps.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*ps.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := ps.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}

ent/product_update.go

@@ -0,0 +1,737 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"online-order/ent/predicate"
+	"online-order/ent/product"
+	"online-order/ent/productcategory"
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProductUpdate is the builder for updating Product entities.
+type ProductUpdate struct {
+	config
+	hooks    []Hook
+	mutation *ProductMutation
+}
+
+// Where appends a list predicates to the ProductUpdate builder.
+func (pu *ProductUpdate) Where(ps ...predicate.Product) *ProductUpdate {
+	pu.mutation.Where(ps...)
+	return pu
+}
+
+// SetName sets the "name" field.
+func (pu *ProductUpdate) SetName(s string) *ProductUpdate {
+	pu.mutation.SetName(s)
+	return pu
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (pu *ProductUpdate) SetNillableName(s *string) *ProductUpdate {
+	if s != nil {
+		pu.SetName(*s)
+	}
+	return pu
+}
+
+// SetDescription sets the "description" field.
+func (pu *ProductUpdate) SetDescription(s string) *ProductUpdate {
+	pu.mutation.SetDescription(s)
+	return pu
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (pu *ProductUpdate) SetNillableDescription(s *string) *ProductUpdate {
+	if s != nil {
+		pu.SetDescription(*s)
+	}
+	return pu
+}
+
+// ClearDescription clears the value of the "description" field.
+func (pu *ProductUpdate) ClearDescription() *ProductUpdate {
+	pu.mutation.ClearDescription()
+	return pu
+}
+
+// SetPrice sets the "price" field.
+func (pu *ProductUpdate) SetPrice(f float64) *ProductUpdate {
+	pu.mutation.ResetPrice()
+	pu.mutation.SetPrice(f)
+	return pu
+}
+
+// SetNillablePrice sets the "price" field if the given value is not nil.
+func (pu *ProductUpdate) SetNillablePrice(f *float64) *ProductUpdate {
+	if f != nil {
+		pu.SetPrice(*f)
+	}
+	return pu
+}
+
+// AddPrice adds f to the "price" field.
+func (pu *ProductUpdate) AddPrice(f float64) *ProductUpdate {
+	pu.mutation.AddPrice(f)
+	return pu
+}
+
+// SetOriginalPrice sets the "original_price" field.
+func (pu *ProductUpdate) SetOriginalPrice(f float64) *ProductUpdate {
+	pu.mutation.ResetOriginalPrice()
+	pu.mutation.SetOriginalPrice(f)
+	return pu
+}
+
+// SetNillableOriginalPrice sets the "original_price" field if the given value is not nil.
+func (pu *ProductUpdate) SetNillableOriginalPrice(f *float64) *ProductUpdate {
+	if f != nil {
+		pu.SetOriginalPrice(*f)
+	}
+	return pu
+}
+
+// AddOriginalPrice adds f to the "original_price" field.
+func (pu *ProductUpdate) AddOriginalPrice(f float64) *ProductUpdate {
+	pu.mutation.AddOriginalPrice(f)
+	return pu
+}
+
+// SetQuantity sets the "quantity" field.
+func (pu *ProductUpdate) SetQuantity(i int) *ProductUpdate {
+	pu.mutation.ResetQuantity()
+	pu.mutation.SetQuantity(i)
+	return pu
+}
+
+// SetNillableQuantity sets the "quantity" field if the given value is not nil.
+func (pu *ProductUpdate) SetNillableQuantity(i *int) *ProductUpdate {
+	if i != nil {
+		pu.SetQuantity(*i)
+	}
+	return pu
+}
+
+// AddQuantity adds i to the "quantity" field.
+func (pu *ProductUpdate) AddQuantity(i int) *ProductUpdate {
+	pu.mutation.AddQuantity(i)
+	return pu
+}
+
+// SetStatus sets the "status" field.
+func (pu *ProductUpdate) SetStatus(b bool) *ProductUpdate {
+	pu.mutation.SetStatus(b)
+	return pu
+}
+
+// SetNillableStatus sets the "status" field if the given value is not nil.
+func (pu *ProductUpdate) SetNillableStatus(b *bool) *ProductUpdate {
+	if b != nil {
+		pu.SetStatus(*b)
+	}
+	return pu
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (pu *ProductUpdate) SetCreatedAt(t time.Time) *ProductUpdate {
+	pu.mutation.SetCreatedAt(t)
+	return pu
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (pu *ProductUpdate) SetNillableCreatedAt(t *time.Time) *ProductUpdate {
+	if t != nil {
+		pu.SetCreatedAt(*t)
+	}
+	return pu
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (pu *ProductUpdate) SetUpdatedAt(t time.Time) *ProductUpdate {
+	pu.mutation.SetUpdatedAt(t)
+	return pu
+}
+
+// AddProductCategoryIDs adds the "productCategory" edge to the ProductCategory entity by IDs.
+func (pu *ProductUpdate) AddProductCategoryIDs(ids ...int) *ProductUpdate {
+	pu.mutation.AddProductCategoryIDs(ids...)
+	return pu
+}
+
+// AddProductCategory adds the "productCategory" edges to the ProductCategory entity.
+func (pu *ProductUpdate) AddProductCategory(p ...*ProductCategory) *ProductUpdate {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return pu.AddProductCategoryIDs(ids...)
+}
+
+// Mutation returns the ProductMutation object of the builder.
+func (pu *ProductUpdate) Mutation() *ProductMutation {
+	return pu.mutation
+}
+
+// ClearProductCategory clears all "productCategory" edges to the ProductCategory entity.
+func (pu *ProductUpdate) ClearProductCategory() *ProductUpdate {
+	pu.mutation.ClearProductCategory()
+	return pu
+}
+
+// RemoveProductCategoryIDs removes the "productCategory" edge to ProductCategory entities by IDs.
+func (pu *ProductUpdate) RemoveProductCategoryIDs(ids ...int) *ProductUpdate {
+	pu.mutation.RemoveProductCategoryIDs(ids...)
+	return pu
+}
+
+// RemoveProductCategory removes "productCategory" edges to ProductCategory entities.
+func (pu *ProductUpdate) RemoveProductCategory(p ...*ProductCategory) *ProductUpdate {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return pu.RemoveProductCategoryIDs(ids...)
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (pu *ProductUpdate) Save(ctx context.Context) (int, error) {
+	pu.defaults()
+	return withHooks(ctx, pu.sqlSave, pu.mutation, pu.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (pu *ProductUpdate) SaveX(ctx context.Context) int {
+	affected, err := pu.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (pu *ProductUpdate) Exec(ctx context.Context) error {
+	_, err := pu.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pu *ProductUpdate) ExecX(ctx context.Context) {
+	if err := pu.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (pu *ProductUpdate) defaults() {
+	if _, ok := pu.mutation.UpdatedAt(); !ok {
+		v := product.UpdateDefaultUpdatedAt()
+		pu.mutation.SetUpdatedAt(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (pu *ProductUpdate) check() error {
+	if v, ok := pu.mutation.Price(); ok {
+		if err := product.PriceValidator(v); err != nil {
+			return &ValidationError{Name: "price", err: fmt.Errorf(`ent: validator failed for field "Product.price": %w`, err)}
+		}
+	}
+	if v, ok := pu.mutation.OriginalPrice(); ok {
+		if err := product.OriginalPriceValidator(v); err != nil {
+			return &ValidationError{Name: "original_price", err: fmt.Errorf(`ent: validator failed for field "Product.original_price": %w`, err)}
+		}
+	}
+	if v, ok := pu.mutation.Quantity(); ok {
+		if err := product.QuantityValidator(v); err != nil {
+			return &ValidationError{Name: "quantity", err: fmt.Errorf(`ent: validator failed for field "Product.quantity": %w`, err)}
+		}
+	}
+	return nil
+}
+
+func (pu *ProductUpdate) sqlSave(ctx context.Context) (n int, err error) {
+	if err := pu.check(); err != nil {
+		return n, err
+	}
+	_spec := sqlgraph.NewUpdateSpec(product.Table, product.Columns, sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt))
+	if ps := pu.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := pu.mutation.Name(); ok {
+		_spec.SetField(product.FieldName, field.TypeString, value)
+	}
+	if value, ok := pu.mutation.Description(); ok {
+		_spec.SetField(product.FieldDescription, field.TypeString, value)
+	}
+	if pu.mutation.DescriptionCleared() {
+		_spec.ClearField(product.FieldDescription, field.TypeString)
+	}
+	if value, ok := pu.mutation.Price(); ok {
+		_spec.SetField(product.FieldPrice, field.TypeFloat64, value)
+	}
+	if value, ok := pu.mutation.AddedPrice(); ok {
+		_spec.AddField(product.FieldPrice, field.TypeFloat64, value)
+	}
+	if value, ok := pu.mutation.OriginalPrice(); ok {
+		_spec.SetField(product.FieldOriginalPrice, field.TypeFloat64, value)
+	}
+	if value, ok := pu.mutation.AddedOriginalPrice(); ok {
+		_spec.AddField(product.FieldOriginalPrice, field.TypeFloat64, value)
+	}
+	if value, ok := pu.mutation.Quantity(); ok {
+		_spec.SetField(product.FieldQuantity, field.TypeInt, value)
+	}
+	if value, ok := pu.mutation.AddedQuantity(); ok {
+		_spec.AddField(product.FieldQuantity, field.TypeInt, value)
+	}
+	if value, ok := pu.mutation.Status(); ok {
+		_spec.SetField(product.FieldStatus, field.TypeBool, value)
+	}
+	if value, ok := pu.mutation.CreatedAt(); ok {
+		_spec.SetField(product.FieldCreatedAt, field.TypeTime, value)
+	}
+	if value, ok := pu.mutation.UpdatedAt(); ok {
+		_spec.SetField(product.FieldUpdatedAt, field.TypeTime, value)
+	}
+	if pu.mutation.ProductCategoryCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   product.ProductCategoryTable,
+			Columns: product.ProductCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := pu.mutation.RemovedProductCategoryIDs(); len(nodes) > 0 && !pu.mutation.ProductCategoryCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   product.ProductCategoryTable,
+			Columns: product.ProductCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := pu.mutation.ProductCategoryIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   product.ProductCategoryTable,
+			Columns: product.ProductCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if n, err = sqlgraph.UpdateNodes(ctx, pu.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{product.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	pu.mutation.done = true
+	return n, nil
+}
+
+// ProductUpdateOne is the builder for updating a single Product entity.
+type ProductUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *ProductMutation
+}
+
+// SetName sets the "name" field.
+func (puo *ProductUpdateOne) SetName(s string) *ProductUpdateOne {
+	puo.mutation.SetName(s)
+	return puo
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (puo *ProductUpdateOne) SetNillableName(s *string) *ProductUpdateOne {
+	if s != nil {
+		puo.SetName(*s)
+	}
+	return puo
+}
+
+// SetDescription sets the "description" field.
+func (puo *ProductUpdateOne) SetDescription(s string) *ProductUpdateOne {
+	puo.mutation.SetDescription(s)
+	return puo
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (puo *ProductUpdateOne) SetNillableDescription(s *string) *ProductUpdateOne {
+	if s != nil {
+		puo.SetDescription(*s)
+	}
+	return puo
+}
+
+// ClearDescription clears the value of the "description" field.
+func (puo *ProductUpdateOne) ClearDescription() *ProductUpdateOne {
+	puo.mutation.ClearDescription()
+	return puo
+}
+
+// SetPrice sets the "price" field.
+func (puo *ProductUpdateOne) SetPrice(f float64) *ProductUpdateOne {
+	puo.mutation.ResetPrice()
+	puo.mutation.SetPrice(f)
+	return puo
+}
+
+// SetNillablePrice sets the "price" field if the given value is not nil.
+func (puo *ProductUpdateOne) SetNillablePrice(f *float64) *ProductUpdateOne {
+	if f != nil {
+		puo.SetPrice(*f)
+	}
+	return puo
+}
+
+// AddPrice adds f to the "price" field.
+func (puo *ProductUpdateOne) AddPrice(f float64) *ProductUpdateOne {
+	puo.mutation.AddPrice(f)
+	return puo
+}
+
+// SetOriginalPrice sets the "original_price" field.
+func (puo *ProductUpdateOne) SetOriginalPrice(f float64) *ProductUpdateOne {
+	puo.mutation.ResetOriginalPrice()
+	puo.mutation.SetOriginalPrice(f)
+	return puo
+}
+
+// SetNillableOriginalPrice sets the "original_price" field if the given value is not nil.
+func (puo *ProductUpdateOne) SetNillableOriginalPrice(f *float64) *ProductUpdateOne {
+	if f != nil {
+		puo.SetOriginalPrice(*f)
+	}
+	return puo
+}
+
+// AddOriginalPrice adds f to the "original_price" field.
+func (puo *ProductUpdateOne) AddOriginalPrice(f float64) *ProductUpdateOne {
+	puo.mutation.AddOriginalPrice(f)
+	return puo
+}
+
+// SetQuantity sets the "quantity" field.
+func (puo *ProductUpdateOne) SetQuantity(i int) *ProductUpdateOne {
+	puo.mutation.ResetQuantity()
+	puo.mutation.SetQuantity(i)
+	return puo
+}
+
+// SetNillableQuantity sets the "quantity" field if the given value is not nil.
+func (puo *ProductUpdateOne) SetNillableQuantity(i *int) *ProductUpdateOne {
+	if i != nil {
+		puo.SetQuantity(*i)
+	}
+	return puo
+}
+
+// AddQuantity adds i to the "quantity" field.
+func (puo *ProductUpdateOne) AddQuantity(i int) *ProductUpdateOne {
+	puo.mutation.AddQuantity(i)
+	return puo
+}
+
+// SetStatus sets the "status" field.
+func (puo *ProductUpdateOne) SetStatus(b bool) *ProductUpdateOne {
+	puo.mutation.SetStatus(b)
+	return puo
+}
+
+// SetNillableStatus sets the "status" field if the given value is not nil.
+func (puo *ProductUpdateOne) SetNillableStatus(b *bool) *ProductUpdateOne {
+	if b != nil {
+		puo.SetStatus(*b)
+	}
+	return puo
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (puo *ProductUpdateOne) SetCreatedAt(t time.Time) *ProductUpdateOne {
+	puo.mutation.SetCreatedAt(t)
+	return puo
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (puo *ProductUpdateOne) SetNillableCreatedAt(t *time.Time) *ProductUpdateOne {
+	if t != nil {
+		puo.SetCreatedAt(*t)
+	}
+	return puo
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (puo *ProductUpdateOne) SetUpdatedAt(t time.Time) *ProductUpdateOne {
+	puo.mutation.SetUpdatedAt(t)
+	return puo
+}
+
+// AddProductCategoryIDs adds the "productCategory" edge to the ProductCategory entity by IDs.
+func (puo *ProductUpdateOne) AddProductCategoryIDs(ids ...int) *ProductUpdateOne {
+	puo.mutation.AddProductCategoryIDs(ids...)
+	return puo
+}
+
+// AddProductCategory adds the "productCategory" edges to the ProductCategory entity.
+func (puo *ProductUpdateOne) AddProductCategory(p ...*ProductCategory) *ProductUpdateOne {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return puo.AddProductCategoryIDs(ids...)
+}
+
+// Mutation returns the ProductMutation object of the builder.
+func (puo *ProductUpdateOne) Mutation() *ProductMutation {
+	return puo.mutation
+}
+
+// ClearProductCategory clears all "productCategory" edges to the ProductCategory entity.
+func (puo *ProductUpdateOne) ClearProductCategory() *ProductUpdateOne {
+	puo.mutation.ClearProductCategory()
+	return puo
+}
+
+// RemoveProductCategoryIDs removes the "productCategory" edge to ProductCategory entities by IDs.
+func (puo *ProductUpdateOne) RemoveProductCategoryIDs(ids ...int) *ProductUpdateOne {
+	puo.mutation.RemoveProductCategoryIDs(ids...)
+	return puo
+}
+
+// RemoveProductCategory removes "productCategory" edges to ProductCategory entities.
+func (puo *ProductUpdateOne) RemoveProductCategory(p ...*ProductCategory) *ProductUpdateOne {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return puo.RemoveProductCategoryIDs(ids...)
+}
+
+// Where appends a list predicates to the ProductUpdate builder.
+func (puo *ProductUpdateOne) Where(ps ...predicate.Product) *ProductUpdateOne {
+	puo.mutation.Where(ps...)
+	return puo
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (puo *ProductUpdateOne) Select(field string, fields ...string) *ProductUpdateOne {
+	puo.fields = append([]string{field}, fields...)
+	return puo
+}
+
+// Save executes the query and returns the updated Product entity.
+func (puo *ProductUpdateOne) Save(ctx context.Context) (*Product, error) {
+	puo.defaults()
+	return withHooks(ctx, puo.sqlSave, puo.mutation, puo.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (puo *ProductUpdateOne) SaveX(ctx context.Context) *Product {
+	node, err := puo.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (puo *ProductUpdateOne) Exec(ctx context.Context) error {
+	_, err := puo.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (puo *ProductUpdateOne) ExecX(ctx context.Context) {
+	if err := puo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (puo *ProductUpdateOne) defaults() {
+	if _, ok := puo.mutation.UpdatedAt(); !ok {
+		v := product.UpdateDefaultUpdatedAt()
+		puo.mutation.SetUpdatedAt(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (puo *ProductUpdateOne) check() error {
+	if v, ok := puo.mutation.Price(); ok {
+		if err := product.PriceValidator(v); err != nil {
+			return &ValidationError{Name: "price", err: fmt.Errorf(`ent: validator failed for field "Product.price": %w`, err)}
+		}
+	}
+	if v, ok := puo.mutation.OriginalPrice(); ok {
+		if err := product.OriginalPriceValidator(v); err != nil {
+			return &ValidationError{Name: "original_price", err: fmt.Errorf(`ent: validator failed for field "Product.original_price": %w`, err)}
+		}
+	}
+	if v, ok := puo.mutation.Quantity(); ok {
+		if err := product.QuantityValidator(v); err != nil {
+			return &ValidationError{Name: "quantity", err: fmt.Errorf(`ent: validator failed for field "Product.quantity": %w`, err)}
+		}
+	}
+	return nil
+}
+
+func (puo *ProductUpdateOne) sqlSave(ctx context.Context) (_node *Product, err error) {
+	if err := puo.check(); err != nil {
+		return _node, err
+	}
+	_spec := sqlgraph.NewUpdateSpec(product.Table, product.Columns, sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt))
+	id, ok := puo.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Product.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := puo.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, product.FieldID)
+		for _, f := range fields {
+			if !product.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+			}
+			if f != product.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := puo.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := puo.mutation.Name(); ok {
+		_spec.SetField(product.FieldName, field.TypeString, value)
+	}
+	if value, ok := puo.mutation.Description(); ok {
+		_spec.SetField(product.FieldDescription, field.TypeString, value)
+	}
+	if puo.mutation.DescriptionCleared() {
+		_spec.ClearField(product.FieldDescription, field.TypeString)
+	}
+	if value, ok := puo.mutation.Price(); ok {
+		_spec.SetField(product.FieldPrice, field.TypeFloat64, value)
+	}
+	if value, ok := puo.mutation.AddedPrice(); ok {
+		_spec.AddField(product.FieldPrice, field.TypeFloat64, value)
+	}
+	if value, ok := puo.mutation.OriginalPrice(); ok {
+		_spec.SetField(product.FieldOriginalPrice, field.TypeFloat64, value)
+	}
+	if value, ok := puo.mutation.AddedOriginalPrice(); ok {
+		_spec.AddField(product.FieldOriginalPrice, field.TypeFloat64, value)
+	}
+	if value, ok := puo.mutation.Quantity(); ok {
+		_spec.SetField(product.FieldQuantity, field.TypeInt, value)
+	}
+	if value, ok := puo.mutation.AddedQuantity(); ok {
+		_spec.AddField(product.FieldQuantity, field.TypeInt, value)
+	}
+	if value, ok := puo.mutation.Status(); ok {
+		_spec.SetField(product.FieldStatus, field.TypeBool, value)
+	}
+	if value, ok := puo.mutation.CreatedAt(); ok {
+		_spec.SetField(product.FieldCreatedAt, field.TypeTime, value)
+	}
+	if value, ok := puo.mutation.UpdatedAt(); ok {
+		_spec.SetField(product.FieldUpdatedAt, field.TypeTime, value)
+	}
+	if puo.mutation.ProductCategoryCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   product.ProductCategoryTable,
+			Columns: product.ProductCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := puo.mutation.RemovedProductCategoryIDs(); len(nodes) > 0 && !puo.mutation.ProductCategoryCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   product.ProductCategoryTable,
+			Columns: product.ProductCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := puo.mutation.ProductCategoryIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   product.ProductCategoryTable,
+			Columns: product.ProductCategoryPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	_node = &Product{config: puo.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, puo.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{product.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	puo.mutation.done = true
+	return _node, nil
+}

ent/productcategory.go

@@ -0,0 +1,192 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"fmt"
+	"online-order/ent/productcategory"
+	"strings"
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+)
+
+// ProductCategory is the model entity for the ProductCategory schema.
+type ProductCategory struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Name holds the value of the "name" field.
+	Name string `json:"name,omitempty"`
+	// Slug holds the value of the "slug" field.
+	Slug string `json:"slug,omitempty"`
+	// Description holds the value of the "description" field.
+	Description *string `json:"description,omitempty"`
+	// Status holds the value of the "status" field.
+	Status bool `json:"status,omitempty"`
+	// CreatedAt holds the value of the "created_at" field.
+	CreatedAt time.Time `json:"created_at,omitempty"`
+	// UpdatedAt holds the value of the "updated_at" field.
+	UpdatedAt time.Time `json:"updated_at,omitempty"`
+	// Edges holds the relations/edges for other nodes in the graph.
+	// The values are being populated by the ProductCategoryQuery when eager-loading is set.
+	Edges        ProductCategoryEdges `json:"edges"`
+	selectValues sql.SelectValues
+}
+
+// ProductCategoryEdges holds the relations/edges for other nodes in the graph.
+type ProductCategoryEdges struct {
+	// Products holds the value of the products edge.
+	Products []*Product `json:"products,omitempty"`
+	// loadedTypes holds the information for reporting if a
+	// type was loaded (or requested) in eager-loading or not.
+	loadedTypes [1]bool
+}
+
+// ProductsOrErr returns the Products value or an error if the edge
+// was not loaded in eager-loading.
+func (e ProductCategoryEdges) ProductsOrErr() ([]*Product, error) {
+	if e.loadedTypes[0] {
+		return e.Products, nil
+	}
+	return nil, &NotLoadedError{edge: "products"}
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*ProductCategory) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case productcategory.FieldStatus:
+			values[i] = new(sql.NullBool)
+		case productcategory.FieldID:
+			values[i] = new(sql.NullInt64)
+		case productcategory.FieldName, productcategory.FieldSlug, productcategory.FieldDescription:
+			values[i] = new(sql.NullString)
+		case productcategory.FieldCreatedAt, productcategory.FieldUpdatedAt:
+			values[i] = new(sql.NullTime)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the ProductCategory fields.
+func (pc *ProductCategory) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case productcategory.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			pc.ID = int(value.Int64)
+		case productcategory.FieldName:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field name", values[i])
+			} else if value.Valid {
+				pc.Name = value.String
+			}
+		case productcategory.FieldSlug:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field slug", values[i])
+			} else if value.Valid {
+				pc.Slug = value.String
+			}
+		case productcategory.FieldDescription:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field description", values[i])
+			} else if value.Valid {
+				pc.Description = new(string)
+				*pc.Description = value.String
+			}
+		case productcategory.FieldStatus:
+			if value, ok := values[i].(*sql.NullBool); !ok {
+				return fmt.Errorf("unexpected type %T for field status", values[i])
+			} else if value.Valid {
+				pc.Status = value.Bool
+			}
+		case productcategory.FieldCreatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field created_at", values[i])
+			} else if value.Valid {
+				pc.CreatedAt = value.Time
+			}
+		case productcategory.FieldUpdatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field updated_at", values[i])
+			} else if value.Valid {
+				pc.UpdatedAt = value.Time
+			}
+		default:
+			pc.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the ProductCategory.
+// This includes values selected through modifiers, order, etc.
+func (pc *ProductCategory) Value(name string) (ent.Value, error) {
+	return pc.selectValues.Get(name)
+}
+
+// QueryProducts queries the "products" edge of the ProductCategory entity.
+func (pc *ProductCategory) QueryProducts() *ProductQuery {
+	return NewProductCategoryClient(pc.config).QueryProducts(pc)
+}
+
+// Update returns a builder for updating this ProductCategory.
+// Note that you need to call ProductCategory.Unwrap() before calling this method if this ProductCategory
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (pc *ProductCategory) Update() *ProductCategoryUpdateOne {
+	return NewProductCategoryClient(pc.config).UpdateOne(pc)
+}
+
+// Unwrap unwraps the ProductCategory entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (pc *ProductCategory) Unwrap() *ProductCategory {
+	_tx, ok := pc.config.driver.(*txDriver)
+	if !ok {
+		panic("ent: ProductCategory is not a transactional entity")
+	}
+	pc.config.driver = _tx.drv
+	return pc
+}
+
+// String implements the fmt.Stringer.
+func (pc *ProductCategory) String() string {
+	var builder strings.Builder
+	builder.WriteString("ProductCategory(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", pc.ID))
+	builder.WriteString("name=")
+	builder.WriteString(pc.Name)
+	builder.WriteString(", ")
+	builder.WriteString("slug=")
+	builder.WriteString(pc.Slug)
+	builder.WriteString(", ")
+	if v := pc.Description; v != nil {
+		builder.WriteString("description=")
+		builder.WriteString(*v)
+	}
+	builder.WriteString(", ")
+	builder.WriteString("status=")
+	builder.WriteString(fmt.Sprintf("%v", pc.Status))
+	builder.WriteString(", ")
+	builder.WriteString("created_at=")
+	builder.WriteString(pc.CreatedAt.Format(time.ANSIC))
+	builder.WriteString(", ")
+	builder.WriteString("updated_at=")
+	builder.WriteString(pc.UpdatedAt.Format(time.ANSIC))
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// ProductCategories is a parsable slice of ProductCategory.
+type ProductCategories []*ProductCategory

ent/productcategory/productcategory.go

@@ -0,0 +1,137 @@
+// Code generated by ent, DO NOT EDIT.
+
+package productcategory
+
+import (
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the productcategory type in the database.
+	Label = "product_category"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldName holds the string denoting the name field in the database.
+	FieldName = "name"
+	// FieldSlug holds the string denoting the slug field in the database.
+	FieldSlug = "slug"
+	// FieldDescription holds the string denoting the description field in the database.
+	FieldDescription = "description"
+	// FieldStatus holds the string denoting the status field in the database.
+	FieldStatus = "status"
+	// FieldCreatedAt holds the string denoting the created_at field in the database.
+	FieldCreatedAt = "created_at"
+	// FieldUpdatedAt holds the string denoting the updated_at field in the database.
+	FieldUpdatedAt = "updated_at"
+	// EdgeProducts holds the string denoting the products edge name in mutations.
+	EdgeProducts = "products"
+	// Table holds the table name of the productcategory in the database.
+	Table = "product_categories"
+	// ProductsTable is the table that holds the products relation/edge. The primary key declared below.
+	ProductsTable = "product_category_products"
+	// ProductsInverseTable is the table name for the Product entity.
+	// It exists in this package in order to avoid circular dependency with the "product" package.
+	ProductsInverseTable = "products"
+)
+
+// Columns holds all SQL columns for productcategory fields.
+var Columns = []string{
+	FieldID,
+	FieldName,
+	FieldSlug,
+	FieldDescription,
+	FieldStatus,
+	FieldCreatedAt,
+	FieldUpdatedAt,
+}
+
+var (
+	// ProductsPrimaryKey and ProductsColumn2 are the table columns denoting the
+	// primary key for the products relation (M2M).
+	ProductsPrimaryKey = []string{"product_category_id", "product_id"}
+)
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// DefaultName holds the default value on creation for the "name" field.
+	DefaultName string
+	// DefaultStatus holds the default value on creation for the "status" field.
+	DefaultStatus bool
+	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
+	DefaultCreatedAt time.Time
+	// DefaultUpdatedAt holds the default value on creation for the "updated_at" field.
+	DefaultUpdatedAt time.Time
+	// UpdateDefaultUpdatedAt holds the default value on update for the "updated_at" field.
+	UpdateDefaultUpdatedAt func() time.Time
+)
+
+// OrderOption defines the ordering options for the ProductCategory queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByName orders the results by the name field.
+func ByName(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldName, opts...).ToFunc()
+}
+
+// BySlug orders the results by the slug field.
+func BySlug(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldSlug, opts...).ToFunc()
+}
+
+// ByDescription orders the results by the description field.
+func ByDescription(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldDescription, opts...).ToFunc()
+}
+
+// ByStatus orders the results by the status field.
+func ByStatus(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldStatus, opts...).ToFunc()
+}
+
+// ByCreatedAt orders the results by the created_at field.
+func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()
+}
+
+// ByUpdatedAt orders the results by the updated_at field.
+func ByUpdatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUpdatedAt, opts...).ToFunc()
+}
+
+// ByProductsCount orders the results by products count.
+func ByProductsCount(opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborsCount(s, newProductsStep(), opts...)
+	}
+}
+
+// ByProducts orders the results by products terms.
+func ByProducts(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newProductsStep(), append([]sql.OrderTerm{term}, terms...)...)
+	}
+}
+func newProductsStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(ProductsInverseTable, FieldID),
+		sqlgraph.Edge(sqlgraph.M2M, false, ProductsTable, ProductsPrimaryKey...),
+	)
+}

ent/productcategory/where.go

@@ -0,0 +1,419 @@
+// Code generated by ent, DO NOT EDIT.
+
+package productcategory
+
+import (
+	"online-order/ent/predicate"
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLTE(FieldID, id))
+}
+
+// Name applies equality check predicate on the "name" field. It's identical to NameEQ.
+func Name(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldName, v))
+}
+
+// Slug applies equality check predicate on the "slug" field. It's identical to SlugEQ.
+func Slug(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldSlug, v))
+}
+
+// Description applies equality check predicate on the "description" field. It's identical to DescriptionEQ.
+func Description(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldDescription, v))
+}
+
+// Status applies equality check predicate on the "status" field. It's identical to StatusEQ.
+func Status(v bool) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldStatus, v))
+}
+
+// CreatedAt applies equality check predicate on the "created_at" field. It's identical to CreatedAtEQ.
+func CreatedAt(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// UpdatedAt applies equality check predicate on the "updated_at" field. It's identical to UpdatedAtEQ.
+func UpdatedAt(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldUpdatedAt, v))
+}
+
+// NameEQ applies the EQ predicate on the "name" field.
+func NameEQ(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldName, v))
+}
+
+// NameNEQ applies the NEQ predicate on the "name" field.
+func NameNEQ(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNEQ(FieldName, v))
+}
+
+// NameIn applies the In predicate on the "name" field.
+func NameIn(vs ...string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldIn(FieldName, vs...))
+}
+
+// NameNotIn applies the NotIn predicate on the "name" field.
+func NameNotIn(vs ...string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNotIn(FieldName, vs...))
+}
+
+// NameGT applies the GT predicate on the "name" field.
+func NameGT(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGT(FieldName, v))
+}
+
+// NameGTE applies the GTE predicate on the "name" field.
+func NameGTE(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGTE(FieldName, v))
+}
+
+// NameLT applies the LT predicate on the "name" field.
+func NameLT(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLT(FieldName, v))
+}
+
+// NameLTE applies the LTE predicate on the "name" field.
+func NameLTE(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLTE(FieldName, v))
+}
+
+// NameContains applies the Contains predicate on the "name" field.
+func NameContains(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldContains(FieldName, v))
+}
+
+// NameHasPrefix applies the HasPrefix predicate on the "name" field.
+func NameHasPrefix(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldHasPrefix(FieldName, v))
+}
+
+// NameHasSuffix applies the HasSuffix predicate on the "name" field.
+func NameHasSuffix(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldHasSuffix(FieldName, v))
+}
+
+// NameEqualFold applies the EqualFold predicate on the "name" field.
+func NameEqualFold(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEqualFold(FieldName, v))
+}
+
+// NameContainsFold applies the ContainsFold predicate on the "name" field.
+func NameContainsFold(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldContainsFold(FieldName, v))
+}
+
+// SlugEQ applies the EQ predicate on the "slug" field.
+func SlugEQ(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldSlug, v))
+}
+
+// SlugNEQ applies the NEQ predicate on the "slug" field.
+func SlugNEQ(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNEQ(FieldSlug, v))
+}
+
+// SlugIn applies the In predicate on the "slug" field.
+func SlugIn(vs ...string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldIn(FieldSlug, vs...))
+}
+
+// SlugNotIn applies the NotIn predicate on the "slug" field.
+func SlugNotIn(vs ...string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNotIn(FieldSlug, vs...))
+}
+
+// SlugGT applies the GT predicate on the "slug" field.
+func SlugGT(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGT(FieldSlug, v))
+}
+
+// SlugGTE applies the GTE predicate on the "slug" field.
+func SlugGTE(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGTE(FieldSlug, v))
+}
+
+// SlugLT applies the LT predicate on the "slug" field.
+func SlugLT(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLT(FieldSlug, v))
+}
+
+// SlugLTE applies the LTE predicate on the "slug" field.
+func SlugLTE(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLTE(FieldSlug, v))
+}
+
+// SlugContains applies the Contains predicate on the "slug" field.
+func SlugContains(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldContains(FieldSlug, v))
+}
+
+// SlugHasPrefix applies the HasPrefix predicate on the "slug" field.
+func SlugHasPrefix(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldHasPrefix(FieldSlug, v))
+}
+
+// SlugHasSuffix applies the HasSuffix predicate on the "slug" field.
+func SlugHasSuffix(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldHasSuffix(FieldSlug, v))
+}
+
+// SlugEqualFold applies the EqualFold predicate on the "slug" field.
+func SlugEqualFold(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEqualFold(FieldSlug, v))
+}
+
+// SlugContainsFold applies the ContainsFold predicate on the "slug" field.
+func SlugContainsFold(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldContainsFold(FieldSlug, v))
+}
+
+// DescriptionEQ applies the EQ predicate on the "description" field.
+func DescriptionEQ(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldDescription, v))
+}
+
+// DescriptionNEQ applies the NEQ predicate on the "description" field.
+func DescriptionNEQ(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNEQ(FieldDescription, v))
+}
+
+// DescriptionIn applies the In predicate on the "description" field.
+func DescriptionIn(vs ...string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldIn(FieldDescription, vs...))
+}
+
+// DescriptionNotIn applies the NotIn predicate on the "description" field.
+func DescriptionNotIn(vs ...string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNotIn(FieldDescription, vs...))
+}
+
+// DescriptionGT applies the GT predicate on the "description" field.
+func DescriptionGT(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGT(FieldDescription, v))
+}
+
+// DescriptionGTE applies the GTE predicate on the "description" field.
+func DescriptionGTE(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGTE(FieldDescription, v))
+}
+
+// DescriptionLT applies the LT predicate on the "description" field.
+func DescriptionLT(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLT(FieldDescription, v))
+}
+
+// DescriptionLTE applies the LTE predicate on the "description" field.
+func DescriptionLTE(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLTE(FieldDescription, v))
+}
+
+// DescriptionContains applies the Contains predicate on the "description" field.
+func DescriptionContains(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldContains(FieldDescription, v))
+}
+
+// DescriptionHasPrefix applies the HasPrefix predicate on the "description" field.
+func DescriptionHasPrefix(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldHasPrefix(FieldDescription, v))
+}
+
+// DescriptionHasSuffix applies the HasSuffix predicate on the "description" field.
+func DescriptionHasSuffix(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldHasSuffix(FieldDescription, v))
+}
+
+// DescriptionIsNil applies the IsNil predicate on the "description" field.
+func DescriptionIsNil() predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldIsNull(FieldDescription))
+}
+
+// DescriptionNotNil applies the NotNil predicate on the "description" field.
+func DescriptionNotNil() predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNotNull(FieldDescription))
+}
+
+// DescriptionEqualFold applies the EqualFold predicate on the "description" field.
+func DescriptionEqualFold(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEqualFold(FieldDescription, v))
+}
+
+// DescriptionContainsFold applies the ContainsFold predicate on the "description" field.
+func DescriptionContainsFold(v string) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldContainsFold(FieldDescription, v))
+}
+
+// StatusEQ applies the EQ predicate on the "status" field.
+func StatusEQ(v bool) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldStatus, v))
+}
+
+// StatusNEQ applies the NEQ predicate on the "status" field.
+func StatusNEQ(v bool) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNEQ(FieldStatus, v))
+}
+
+// CreatedAtEQ applies the EQ predicate on the "created_at" field.
+func CreatedAtEQ(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtNEQ applies the NEQ predicate on the "created_at" field.
+func CreatedAtNEQ(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtIn applies the In predicate on the "created_at" field.
+func CreatedAtIn(vs ...time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtNotIn applies the NotIn predicate on the "created_at" field.
+func CreatedAtNotIn(vs ...time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNotIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtGT applies the GT predicate on the "created_at" field.
+func CreatedAtGT(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGT(FieldCreatedAt, v))
+}
+
+// CreatedAtGTE applies the GTE predicate on the "created_at" field.
+func CreatedAtGTE(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGTE(FieldCreatedAt, v))
+}
+
+// CreatedAtLT applies the LT predicate on the "created_at" field.
+func CreatedAtLT(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLT(FieldCreatedAt, v))
+}
+
+// CreatedAtLTE applies the LTE predicate on the "created_at" field.
+func CreatedAtLTE(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLTE(FieldCreatedAt, v))
+}
+
+// UpdatedAtEQ applies the EQ predicate on the "updated_at" field.
+func UpdatedAtEQ(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldEQ(FieldUpdatedAt, v))
+}
+
+// UpdatedAtNEQ applies the NEQ predicate on the "updated_at" field.
+func UpdatedAtNEQ(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNEQ(FieldUpdatedAt, v))
+}
+
+// UpdatedAtIn applies the In predicate on the "updated_at" field.
+func UpdatedAtIn(vs ...time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldIn(FieldUpdatedAt, vs...))
+}
+
+// UpdatedAtNotIn applies the NotIn predicate on the "updated_at" field.
+func UpdatedAtNotIn(vs ...time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldNotIn(FieldUpdatedAt, vs...))
+}
+
+// UpdatedAtGT applies the GT predicate on the "updated_at" field.
+func UpdatedAtGT(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGT(FieldUpdatedAt, v))
+}
+
+// UpdatedAtGTE applies the GTE predicate on the "updated_at" field.
+func UpdatedAtGTE(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldGTE(FieldUpdatedAt, v))
+}
+
+// UpdatedAtLT applies the LT predicate on the "updated_at" field.
+func UpdatedAtLT(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLT(FieldUpdatedAt, v))
+}
+
+// UpdatedAtLTE applies the LTE predicate on the "updated_at" field.
+func UpdatedAtLTE(v time.Time) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.FieldLTE(FieldUpdatedAt, v))
+}
+
+// HasProducts applies the HasEdge predicate on the "products" edge.
+func HasProducts() predicate.ProductCategory {
+	return predicate.ProductCategory(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, false, ProductsTable, ProductsPrimaryKey...),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasProductsWith applies the HasEdge predicate on the "products" edge with a given conditions (other predicates).
+func HasProductsWith(preds ...predicate.Product) predicate.ProductCategory {
+	return predicate.ProductCategory(func(s *sql.Selector) {
+		step := newProductsStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.ProductCategory) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.ProductCategory) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.ProductCategory) predicate.ProductCategory {
+	return predicate.ProductCategory(sql.NotPredicates(p))
+}

ent/productcategory_create.go

@@ -0,0 +1,340 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"online-order/ent/product"
+	"online-order/ent/productcategory"
+	"time"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProductCategoryCreate is the builder for creating a ProductCategory entity.
+type ProductCategoryCreate struct {
+	config
+	mutation *ProductCategoryMutation
+	hooks    []Hook
+}
+
+// SetName sets the "name" field.
+func (pcc *ProductCategoryCreate) SetName(s string) *ProductCategoryCreate {
+	pcc.mutation.SetName(s)
+	return pcc
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (pcc *ProductCategoryCreate) SetNillableName(s *string) *ProductCategoryCreate {
+	if s != nil {
+		pcc.SetName(*s)
+	}
+	return pcc
+}
+
+// SetSlug sets the "slug" field.
+func (pcc *ProductCategoryCreate) SetSlug(s string) *ProductCategoryCreate {
+	pcc.mutation.SetSlug(s)
+	return pcc
+}
+
+// SetDescription sets the "description" field.
+func (pcc *ProductCategoryCreate) SetDescription(s string) *ProductCategoryCreate {
+	pcc.mutation.SetDescription(s)
+	return pcc
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (pcc *ProductCategoryCreate) SetNillableDescription(s *string) *ProductCategoryCreate {
+	if s != nil {
+		pcc.SetDescription(*s)
+	}
+	return pcc
+}
+
+// SetStatus sets the "status" field.
+func (pcc *ProductCategoryCreate) SetStatus(b bool) *ProductCategoryCreate {
+	pcc.mutation.SetStatus(b)
+	return pcc
+}
+
+// SetNillableStatus sets the "status" field if the given value is not nil.
+func (pcc *ProductCategoryCreate) SetNillableStatus(b *bool) *ProductCategoryCreate {
+	if b != nil {
+		pcc.SetStatus(*b)
+	}
+	return pcc
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (pcc *ProductCategoryCreate) SetCreatedAt(t time.Time) *ProductCategoryCreate {
+	pcc.mutation.SetCreatedAt(t)
+	return pcc
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (pcc *ProductCategoryCreate) SetNillableCreatedAt(t *time.Time) *ProductCategoryCreate {
+	if t != nil {
+		pcc.SetCreatedAt(*t)
+	}
+	return pcc
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (pcc *ProductCategoryCreate) SetUpdatedAt(t time.Time) *ProductCategoryCreate {
+	pcc.mutation.SetUpdatedAt(t)
+	return pcc
+}
+
+// SetNillableUpdatedAt sets the "updated_at" field if the given value is not nil.
+func (pcc *ProductCategoryCreate) SetNillableUpdatedAt(t *time.Time) *ProductCategoryCreate {
+	if t != nil {
+		pcc.SetUpdatedAt(*t)
+	}
+	return pcc
+}
+
+// AddProductIDs adds the "products" edge to the Product entity by IDs.
+func (pcc *ProductCategoryCreate) AddProductIDs(ids ...int) *ProductCategoryCreate {
+	pcc.mutation.AddProductIDs(ids...)
+	return pcc
+}
+
+// AddProducts adds the "products" edges to the Product entity.
+func (pcc *ProductCategoryCreate) AddProducts(p ...*Product) *ProductCategoryCreate {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return pcc.AddProductIDs(ids...)
+}
+
+// Mutation returns the ProductCategoryMutation object of the builder.
+func (pcc *ProductCategoryCreate) Mutation() *ProductCategoryMutation {
+	return pcc.mutation
+}
+
+// Save creates the ProductCategory in the database.
+func (pcc *ProductCategoryCreate) Save(ctx context.Context) (*ProductCategory, error) {
+	pcc.defaults()
+	return withHooks(ctx, pcc.sqlSave, pcc.mutation, pcc.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (pcc *ProductCategoryCreate) SaveX(ctx context.Context) *ProductCategory {
+	v, err := pcc.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (pcc *ProductCategoryCreate) Exec(ctx context.Context) error {
+	_, err := pcc.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pcc *ProductCategoryCreate) ExecX(ctx context.Context) {
+	if err := pcc.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (pcc *ProductCategoryCreate) defaults() {
+	if _, ok := pcc.mutation.Name(); !ok {
+		v := productcategory.DefaultName
+		pcc.mutation.SetName(v)
+	}
+	if _, ok := pcc.mutation.Status(); !ok {
+		v := productcategory.DefaultStatus
+		pcc.mutation.SetStatus(v)
+	}
+	if _, ok := pcc.mutation.CreatedAt(); !ok {
+		v := productcategory.DefaultCreatedAt
+		pcc.mutation.SetCreatedAt(v)
+	}
+	if _, ok := pcc.mutation.UpdatedAt(); !ok {
+		v := productcategory.DefaultUpdatedAt
+		pcc.mutation.SetUpdatedAt(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (pcc *ProductCategoryCreate) check() error {
+	if _, ok := pcc.mutation.Name(); !ok {
+		return &ValidationError{Name: "name", err: errors.New(`ent: missing required field "ProductCategory.name"`)}
+	}
+	if _, ok := pcc.mutation.Slug(); !ok {
+		return &ValidationError{Name: "slug", err: errors.New(`ent: missing required field "ProductCategory.slug"`)}
+	}
+	if _, ok := pcc.mutation.Status(); !ok {
+		return &ValidationError{Name: "status", err: errors.New(`ent: missing required field "ProductCategory.status"`)}
+	}
+	if _, ok := pcc.mutation.CreatedAt(); !ok {
+		return &ValidationError{Name: "created_at", err: errors.New(`ent: missing required field "ProductCategory.created_at"`)}
+	}
+	if _, ok := pcc.mutation.UpdatedAt(); !ok {
+		return &ValidationError{Name: "updated_at", err: errors.New(`ent: missing required field "ProductCategory.updated_at"`)}
+	}
+	return nil
+}
+
+func (pcc *ProductCategoryCreate) sqlSave(ctx context.Context) (*ProductCategory, error) {
+	if err := pcc.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := pcc.createSpec()
+	if err := sqlgraph.CreateNode(ctx, pcc.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	pcc.mutation.id = &_node.ID
+	pcc.mutation.done = true
+	return _node, nil
+}
+
+func (pcc *ProductCategoryCreate) createSpec() (*ProductCategory, *sqlgraph.CreateSpec) {
+	var (
+		_node = &ProductCategory{config: pcc.config}
+		_spec = sqlgraph.NewCreateSpec(productcategory.Table, sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt))
+	)
+	if value, ok := pcc.mutation.Name(); ok {
+		_spec.SetField(productcategory.FieldName, field.TypeString, value)
+		_node.Name = value
+	}
+	if value, ok := pcc.mutation.Slug(); ok {
+		_spec.SetField(productcategory.FieldSlug, field.TypeString, value)
+		_node.Slug = value
+	}
+	if value, ok := pcc.mutation.Description(); ok {
+		_spec.SetField(productcategory.FieldDescription, field.TypeString, value)
+		_node.Description = &value
+	}
+	if value, ok := pcc.mutation.Status(); ok {
+		_spec.SetField(productcategory.FieldStatus, field.TypeBool, value)
+		_node.Status = value
+	}
+	if value, ok := pcc.mutation.CreatedAt(); ok {
+		_spec.SetField(productcategory.FieldCreatedAt, field.TypeTime, value)
+		_node.CreatedAt = value
+	}
+	if value, ok := pcc.mutation.UpdatedAt(); ok {
+		_spec.SetField(productcategory.FieldUpdatedAt, field.TypeTime, value)
+		_node.UpdatedAt = value
+	}
+	if nodes := pcc.mutation.ProductsIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   productcategory.ProductsTable,
+			Columns: productcategory.ProductsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// ProductCategoryCreateBulk is the builder for creating many ProductCategory entities in bulk.
+type ProductCategoryCreateBulk struct {
+	config
+	err      error
+	builders []*ProductCategoryCreate
+}
+
+// Save creates the ProductCategory entities in the database.
+func (pccb *ProductCategoryCreateBulk) Save(ctx context.Context) ([]*ProductCategory, error) {
+	if pccb.err != nil {
+		return nil, pccb.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(pccb.builders))
+	nodes := make([]*ProductCategory, len(pccb.builders))
+	mutators := make([]Mutator, len(pccb.builders))
+	for i := range pccb.builders {
+		func(i int, root context.Context) {
+			builder := pccb.builders[i]
+			builder.defaults()
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*ProductCategoryMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, pccb.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, pccb.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, pccb.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (pccb *ProductCategoryCreateBulk) SaveX(ctx context.Context) []*ProductCategory {
+	v, err := pccb.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (pccb *ProductCategoryCreateBulk) Exec(ctx context.Context) error {
+	_, err := pccb.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pccb *ProductCategoryCreateBulk) ExecX(ctx context.Context) {
+	if err := pccb.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

ent/productcategory_delete.go

@@ -0,0 +1,88 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"online-order/ent/predicate"
+	"online-order/ent/productcategory"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProductCategoryDelete is the builder for deleting a ProductCategory entity.
+type ProductCategoryDelete struct {
+	config
+	hooks    []Hook
+	mutation *ProductCategoryMutation
+}
+
+// Where appends a list predicates to the ProductCategoryDelete builder.
+func (pcd *ProductCategoryDelete) Where(ps ...predicate.ProductCategory) *ProductCategoryDelete {
+	pcd.mutation.Where(ps...)
+	return pcd
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (pcd *ProductCategoryDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, pcd.sqlExec, pcd.mutation, pcd.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pcd *ProductCategoryDelete) ExecX(ctx context.Context) int {
+	n, err := pcd.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (pcd *ProductCategoryDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(productcategory.Table, sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt))
+	if ps := pcd.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, pcd.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	pcd.mutation.done = true
+	return affected, err
+}
+
+// ProductCategoryDeleteOne is the builder for deleting a single ProductCategory entity.
+type ProductCategoryDeleteOne struct {
+	pcd *ProductCategoryDelete
+}
+
+// Where appends a list predicates to the ProductCategoryDelete builder.
+func (pcdo *ProductCategoryDeleteOne) Where(ps ...predicate.ProductCategory) *ProductCategoryDeleteOne {
+	pcdo.pcd.mutation.Where(ps...)
+	return pcdo
+}
+
+// Exec executes the deletion query.
+func (pcdo *ProductCategoryDeleteOne) Exec(ctx context.Context) error {
+	n, err := pcdo.pcd.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{productcategory.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pcdo *ProductCategoryDeleteOne) ExecX(ctx context.Context) {
+	if err := pcdo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

ent/productcategory_query.go

@@ -0,0 +1,636 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"database/sql/driver"
+	"fmt"
+	"math"
+	"online-order/ent/predicate"
+	"online-order/ent/product"
+	"online-order/ent/productcategory"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProductCategoryQuery is the builder for querying ProductCategory entities.
+type ProductCategoryQuery struct {
+	config
+	ctx          *QueryContext
+	order        []productcategory.OrderOption
+	inters       []Interceptor
+	predicates   []predicate.ProductCategory
+	withProducts *ProductQuery
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the ProductCategoryQuery builder.
+func (pcq *ProductCategoryQuery) Where(ps ...predicate.ProductCategory) *ProductCategoryQuery {
+	pcq.predicates = append(pcq.predicates, ps...)
+	return pcq
+}
+
+// Limit the number of records to be returned by this query.
+func (pcq *ProductCategoryQuery) Limit(limit int) *ProductCategoryQuery {
+	pcq.ctx.Limit = &limit
+	return pcq
+}
+
+// Offset to start from.
+func (pcq *ProductCategoryQuery) Offset(offset int) *ProductCategoryQuery {
+	pcq.ctx.Offset = &offset
+	return pcq
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (pcq *ProductCategoryQuery) Unique(unique bool) *ProductCategoryQuery {
+	pcq.ctx.Unique = &unique
+	return pcq
+}
+
+// Order specifies how the records should be ordered.
+func (pcq *ProductCategoryQuery) Order(o ...productcategory.OrderOption) *ProductCategoryQuery {
+	pcq.order = append(pcq.order, o...)
+	return pcq
+}
+
+// QueryProducts chains the current query on the "products" edge.
+func (pcq *ProductCategoryQuery) QueryProducts() *ProductQuery {
+	query := (&ProductClient{config: pcq.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := pcq.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := pcq.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(productcategory.Table, productcategory.FieldID, selector),
+			sqlgraph.To(product.Table, product.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, false, productcategory.ProductsTable, productcategory.ProductsPrimaryKey...),
+		)
+		fromU = sqlgraph.SetNeighbors(pcq.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// First returns the first ProductCategory entity from the query.
+// Returns a *NotFoundError when no ProductCategory was found.
+func (pcq *ProductCategoryQuery) First(ctx context.Context) (*ProductCategory, error) {
+	nodes, err := pcq.Limit(1).All(setContextOp(ctx, pcq.ctx, "First"))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{productcategory.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (pcq *ProductCategoryQuery) FirstX(ctx context.Context) *ProductCategory {
+	node, err := pcq.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first ProductCategory ID from the query.
+// Returns a *NotFoundError when no ProductCategory ID was found.
+func (pcq *ProductCategoryQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = pcq.Limit(1).IDs(setContextOp(ctx, pcq.ctx, "FirstID")); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{productcategory.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (pcq *ProductCategoryQuery) FirstIDX(ctx context.Context) int {
+	id, err := pcq.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single ProductCategory entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one ProductCategory entity is found.
+// Returns a *NotFoundError when no ProductCategory entities are found.
+func (pcq *ProductCategoryQuery) Only(ctx context.Context) (*ProductCategory, error) {
+	nodes, err := pcq.Limit(2).All(setContextOp(ctx, pcq.ctx, "Only"))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{productcategory.Label}
+	default:
+		return nil, &NotSingularError{productcategory.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (pcq *ProductCategoryQuery) OnlyX(ctx context.Context) *ProductCategory {
+	node, err := pcq.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only ProductCategory ID in the query.
+// Returns a *NotSingularError when more than one ProductCategory ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (pcq *ProductCategoryQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = pcq.Limit(2).IDs(setContextOp(ctx, pcq.ctx, "OnlyID")); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{productcategory.Label}
+	default:
+		err = &NotSingularError{productcategory.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (pcq *ProductCategoryQuery) OnlyIDX(ctx context.Context) int {
+	id, err := pcq.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of ProductCategories.
+func (pcq *ProductCategoryQuery) All(ctx context.Context) ([]*ProductCategory, error) {
+	ctx = setContextOp(ctx, pcq.ctx, "All")
+	if err := pcq.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*ProductCategory, *ProductCategoryQuery]()
+	return withInterceptors[[]*ProductCategory](ctx, pcq, qr, pcq.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (pcq *ProductCategoryQuery) AllX(ctx context.Context) []*ProductCategory {
+	nodes, err := pcq.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of ProductCategory IDs.
+func (pcq *ProductCategoryQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if pcq.ctx.Unique == nil && pcq.path != nil {
+		pcq.Unique(true)
+	}
+	ctx = setContextOp(ctx, pcq.ctx, "IDs")
+	if err = pcq.Select(productcategory.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (pcq *ProductCategoryQuery) IDsX(ctx context.Context) []int {
+	ids, err := pcq.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (pcq *ProductCategoryQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, pcq.ctx, "Count")
+	if err := pcq.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, pcq, querierCount[*ProductCategoryQuery](), pcq.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (pcq *ProductCategoryQuery) CountX(ctx context.Context) int {
+	count, err := pcq.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (pcq *ProductCategoryQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, pcq.ctx, "Exist")
+	switch _, err := pcq.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("ent: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (pcq *ProductCategoryQuery) ExistX(ctx context.Context) bool {
+	exist, err := pcq.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the ProductCategoryQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (pcq *ProductCategoryQuery) Clone() *ProductCategoryQuery {
+	if pcq == nil {
+		return nil
+	}
+	return &ProductCategoryQuery{
+		config:       pcq.config,
+		ctx:          pcq.ctx.Clone(),
+		order:        append([]productcategory.OrderOption{}, pcq.order...),
+		inters:       append([]Interceptor{}, pcq.inters...),
+		predicates:   append([]predicate.ProductCategory{}, pcq.predicates...),
+		withProducts: pcq.withProducts.Clone(),
+		// clone intermediate query.
+		sql:  pcq.sql.Clone(),
+		path: pcq.path,
+	}
+}
+
+// WithProducts tells the query-builder to eager-load the nodes that are connected to
+// the "products" edge. The optional arguments are used to configure the query builder of the edge.
+func (pcq *ProductCategoryQuery) WithProducts(opts ...func(*ProductQuery)) *ProductCategoryQuery {
+	query := (&ProductClient{config: pcq.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	pcq.withProducts = query
+	return pcq
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.ProductCategory.Query().
+//		GroupBy(productcategory.FieldName).
+//		Aggregate(ent.Count()).
+//		Scan(ctx, &v)
+func (pcq *ProductCategoryQuery) GroupBy(field string, fields ...string) *ProductCategoryGroupBy {
+	pcq.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &ProductCategoryGroupBy{build: pcq}
+	grbuild.flds = &pcq.ctx.Fields
+	grbuild.label = productcategory.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//	}
+//
+//	client.ProductCategory.Query().
+//		Select(productcategory.FieldName).
+//		Scan(ctx, &v)
+func (pcq *ProductCategoryQuery) Select(fields ...string) *ProductCategorySelect {
+	pcq.ctx.Fields = append(pcq.ctx.Fields, fields...)
+	sbuild := &ProductCategorySelect{ProductCategoryQuery: pcq}
+	sbuild.label = productcategory.Label
+	sbuild.flds, sbuild.scan = &pcq.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a ProductCategorySelect configured with the given aggregations.
+func (pcq *ProductCategoryQuery) Aggregate(fns ...AggregateFunc) *ProductCategorySelect {
+	return pcq.Select().Aggregate(fns...)
+}
+
+func (pcq *ProductCategoryQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range pcq.inters {
+		if inter == nil {
+			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, pcq); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range pcq.ctx.Fields {
+		if !productcategory.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+		}
+	}
+	if pcq.path != nil {
+		prev, err := pcq.path(ctx)
+		if err != nil {
+			return err
+		}
+		pcq.sql = prev
+	}
+	return nil
+}
+
+func (pcq *ProductCategoryQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*ProductCategory, error) {
+	var (
+		nodes       = []*ProductCategory{}
+		_spec       = pcq.querySpec()
+		loadedTypes = [1]bool{
+			pcq.withProducts != nil,
+		}
+	)
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*ProductCategory).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &ProductCategory{config: pcq.config}
+		nodes = append(nodes, node)
+		node.Edges.loadedTypes = loadedTypes
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, pcq.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	if query := pcq.withProducts; query != nil {
+		if err := pcq.loadProducts(ctx, query, nodes,
+			func(n *ProductCategory) { n.Edges.Products = []*Product{} },
+			func(n *ProductCategory, e *Product) { n.Edges.Products = append(n.Edges.Products, e) }); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+func (pcq *ProductCategoryQuery) loadProducts(ctx context.Context, query *ProductQuery, nodes []*ProductCategory, init func(*ProductCategory), assign func(*ProductCategory, *Product)) error {
+	edgeIDs := make([]driver.Value, len(nodes))
+	byID := make(map[int]*ProductCategory)
+	nids := make(map[int]map[*ProductCategory]struct{})
+	for i, node := range nodes {
+		edgeIDs[i] = node.ID
+		byID[node.ID] = node
+		if init != nil {
+			init(node)
+		}
+	}
+	query.Where(func(s *sql.Selector) {
+		joinT := sql.Table(productcategory.ProductsTable)
+		s.Join(joinT).On(s.C(product.FieldID), joinT.C(productcategory.ProductsPrimaryKey[1]))
+		s.Where(sql.InValues(joinT.C(productcategory.ProductsPrimaryKey[0]), edgeIDs...))
+		columns := s.SelectedColumns()
+		s.Select(joinT.C(productcategory.ProductsPrimaryKey[0]))
+		s.AppendSelect(columns...)
+		s.SetDistinct(false)
+	})
+	if err := query.prepareQuery(ctx); err != nil {
+		return err
+	}
+	qr := QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		return query.sqlAll(ctx, func(_ context.Context, spec *sqlgraph.QuerySpec) {
+			assign := spec.Assign
+			values := spec.ScanValues
+			spec.ScanValues = func(columns []string) ([]any, error) {
+				values, err := values(columns[1:])
+				if err != nil {
+					return nil, err
+				}
+				return append([]any{new(sql.NullInt64)}, values...), nil
+			}
+			spec.Assign = func(columns []string, values []any) error {
+				outValue := int(values[0].(*sql.NullInt64).Int64)
+				inValue := int(values[1].(*sql.NullInt64).Int64)
+				if nids[inValue] == nil {
+					nids[inValue] = map[*ProductCategory]struct{}{byID[outValue]: {}}
+					return assign(columns[1:], values[1:])
+				}
+				nids[inValue][byID[outValue]] = struct{}{}
+				return nil
+			}
+		})
+	})
+	neighbors, err := withInterceptors[[]*Product](ctx, query, qr, query.inters)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected "products" node returned %v`, n.ID)
+		}
+		for kn := range nodes {
+			assign(kn, n)
+		}
+	}
+	return nil
+}
+
+func (pcq *ProductCategoryQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := pcq.querySpec()
+	_spec.Node.Columns = pcq.ctx.Fields
+	if len(pcq.ctx.Fields) > 0 {
+		_spec.Unique = pcq.ctx.Unique != nil && *pcq.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, pcq.driver, _spec)
+}
+
+func (pcq *ProductCategoryQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(productcategory.Table, productcategory.Columns, sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt))
+	_spec.From = pcq.sql
+	if unique := pcq.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if pcq.path != nil {
+		_spec.Unique = true
+	}
+	if fields := pcq.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, productcategory.FieldID)
+		for i := range fields {
+			if fields[i] != productcategory.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := pcq.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := pcq.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := pcq.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := pcq.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (pcq *ProductCategoryQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(pcq.driver.Dialect())
+	t1 := builder.Table(productcategory.Table)
+	columns := pcq.ctx.Fields
+	if len(columns) == 0 {
+		columns = productcategory.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if pcq.sql != nil {
+		selector = pcq.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if pcq.ctx.Unique != nil && *pcq.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range pcq.predicates {
+		p(selector)
+	}
+	for _, p := range pcq.order {
+		p(selector)
+	}
+	if offset := pcq.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := pcq.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// ProductCategoryGroupBy is the group-by builder for ProductCategory entities.
+type ProductCategoryGroupBy struct {
+	selector
+	build *ProductCategoryQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (pcgb *ProductCategoryGroupBy) Aggregate(fns ...AggregateFunc) *ProductCategoryGroupBy {
+	pcgb.fns = append(pcgb.fns, fns...)
+	return pcgb
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (pcgb *ProductCategoryGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, pcgb.build.ctx, "GroupBy")
+	if err := pcgb.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*ProductCategoryQuery, *ProductCategoryGroupBy](ctx, pcgb.build, pcgb, pcgb.build.inters, v)
+}
+
+func (pcgb *ProductCategoryGroupBy) sqlScan(ctx context.Context, root *ProductCategoryQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(pcgb.fns))
+	for _, fn := range pcgb.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*pcgb.flds)+len(pcgb.fns))
+		for _, f := range *pcgb.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*pcgb.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := pcgb.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// ProductCategorySelect is the builder for selecting fields of ProductCategory entities.
+type ProductCategorySelect struct {
+	*ProductCategoryQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (pcs *ProductCategorySelect) Aggregate(fns ...AggregateFunc) *ProductCategorySelect {
+	pcs.fns = append(pcs.fns, fns...)
+	return pcs
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (pcs *ProductCategorySelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, pcs.ctx, "Select")
+	if err := pcs.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*ProductCategoryQuery, *ProductCategorySelect](ctx, pcs.ProductCategoryQuery, pcs, pcs.inters, v)
+}
+
+func (pcs *ProductCategorySelect) sqlScan(ctx context.Context, root *ProductCategoryQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(pcs.fns))
+	for _, fn := range pcs.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*pcs.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := pcs.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}

ent/productcategory_update.go

@@ -0,0 +1,547 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"online-order/ent/predicate"
+	"online-order/ent/product"
+	"online-order/ent/productcategory"
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProductCategoryUpdate is the builder for updating ProductCategory entities.
+type ProductCategoryUpdate struct {
+	config
+	hooks    []Hook
+	mutation *ProductCategoryMutation
+}
+
+// Where appends a list predicates to the ProductCategoryUpdate builder.
+func (pcu *ProductCategoryUpdate) Where(ps ...predicate.ProductCategory) *ProductCategoryUpdate {
+	pcu.mutation.Where(ps...)
+	return pcu
+}
+
+// SetName sets the "name" field.
+func (pcu *ProductCategoryUpdate) SetName(s string) *ProductCategoryUpdate {
+	pcu.mutation.SetName(s)
+	return pcu
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (pcu *ProductCategoryUpdate) SetNillableName(s *string) *ProductCategoryUpdate {
+	if s != nil {
+		pcu.SetName(*s)
+	}
+	return pcu
+}
+
+// SetSlug sets the "slug" field.
+func (pcu *ProductCategoryUpdate) SetSlug(s string) *ProductCategoryUpdate {
+	pcu.mutation.SetSlug(s)
+	return pcu
+}
+
+// SetDescription sets the "description" field.
+func (pcu *ProductCategoryUpdate) SetDescription(s string) *ProductCategoryUpdate {
+	pcu.mutation.SetDescription(s)
+	return pcu
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (pcu *ProductCategoryUpdate) SetNillableDescription(s *string) *ProductCategoryUpdate {
+	if s != nil {
+		pcu.SetDescription(*s)
+	}
+	return pcu
+}
+
+// ClearDescription clears the value of the "description" field.
+func (pcu *ProductCategoryUpdate) ClearDescription() *ProductCategoryUpdate {
+	pcu.mutation.ClearDescription()
+	return pcu
+}
+
+// SetStatus sets the "status" field.
+func (pcu *ProductCategoryUpdate) SetStatus(b bool) *ProductCategoryUpdate {
+	pcu.mutation.SetStatus(b)
+	return pcu
+}
+
+// SetNillableStatus sets the "status" field if the given value is not nil.
+func (pcu *ProductCategoryUpdate) SetNillableStatus(b *bool) *ProductCategoryUpdate {
+	if b != nil {
+		pcu.SetStatus(*b)
+	}
+	return pcu
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (pcu *ProductCategoryUpdate) SetCreatedAt(t time.Time) *ProductCategoryUpdate {
+	pcu.mutation.SetCreatedAt(t)
+	return pcu
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (pcu *ProductCategoryUpdate) SetNillableCreatedAt(t *time.Time) *ProductCategoryUpdate {
+	if t != nil {
+		pcu.SetCreatedAt(*t)
+	}
+	return pcu
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (pcu *ProductCategoryUpdate) SetUpdatedAt(t time.Time) *ProductCategoryUpdate {
+	pcu.mutation.SetUpdatedAt(t)
+	return pcu
+}
+
+// AddProductIDs adds the "products" edge to the Product entity by IDs.
+func (pcu *ProductCategoryUpdate) AddProductIDs(ids ...int) *ProductCategoryUpdate {
+	pcu.mutation.AddProductIDs(ids...)
+	return pcu
+}
+
+// AddProducts adds the "products" edges to the Product entity.
+func (pcu *ProductCategoryUpdate) AddProducts(p ...*Product) *ProductCategoryUpdate {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return pcu.AddProductIDs(ids...)
+}
+
+// Mutation returns the ProductCategoryMutation object of the builder.
+func (pcu *ProductCategoryUpdate) Mutation() *ProductCategoryMutation {
+	return pcu.mutation
+}
+
+// ClearProducts clears all "products" edges to the Product entity.
+func (pcu *ProductCategoryUpdate) ClearProducts() *ProductCategoryUpdate {
+	pcu.mutation.ClearProducts()
+	return pcu
+}
+
+// RemoveProductIDs removes the "products" edge to Product entities by IDs.
+func (pcu *ProductCategoryUpdate) RemoveProductIDs(ids ...int) *ProductCategoryUpdate {
+	pcu.mutation.RemoveProductIDs(ids...)
+	return pcu
+}
+
+// RemoveProducts removes "products" edges to Product entities.
+func (pcu *ProductCategoryUpdate) RemoveProducts(p ...*Product) *ProductCategoryUpdate {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return pcu.RemoveProductIDs(ids...)
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (pcu *ProductCategoryUpdate) Save(ctx context.Context) (int, error) {
+	pcu.defaults()
+	return withHooks(ctx, pcu.sqlSave, pcu.mutation, pcu.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (pcu *ProductCategoryUpdate) SaveX(ctx context.Context) int {
+	affected, err := pcu.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (pcu *ProductCategoryUpdate) Exec(ctx context.Context) error {
+	_, err := pcu.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pcu *ProductCategoryUpdate) ExecX(ctx context.Context) {
+	if err := pcu.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (pcu *ProductCategoryUpdate) defaults() {
+	if _, ok := pcu.mutation.UpdatedAt(); !ok {
+		v := productcategory.UpdateDefaultUpdatedAt()
+		pcu.mutation.SetUpdatedAt(v)
+	}
+}
+
+func (pcu *ProductCategoryUpdate) sqlSave(ctx context.Context) (n int, err error) {
+	_spec := sqlgraph.NewUpdateSpec(productcategory.Table, productcategory.Columns, sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt))
+	if ps := pcu.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := pcu.mutation.Name(); ok {
+		_spec.SetField(productcategory.FieldName, field.TypeString, value)
+	}
+	if value, ok := pcu.mutation.Slug(); ok {
+		_spec.SetField(productcategory.FieldSlug, field.TypeString, value)
+	}
+	if value, ok := pcu.mutation.Description(); ok {
+		_spec.SetField(productcategory.FieldDescription, field.TypeString, value)
+	}
+	if pcu.mutation.DescriptionCleared() {
+		_spec.ClearField(productcategory.FieldDescription, field.TypeString)
+	}
+	if value, ok := pcu.mutation.Status(); ok {
+		_spec.SetField(productcategory.FieldStatus, field.TypeBool, value)
+	}
+	if value, ok := pcu.mutation.CreatedAt(); ok {
+		_spec.SetField(productcategory.FieldCreatedAt, field.TypeTime, value)
+	}
+	if value, ok := pcu.mutation.UpdatedAt(); ok {
+		_spec.SetField(productcategory.FieldUpdatedAt, field.TypeTime, value)
+	}
+	if pcu.mutation.ProductsCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   productcategory.ProductsTable,
+			Columns: productcategory.ProductsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := pcu.mutation.RemovedProductsIDs(); len(nodes) > 0 && !pcu.mutation.ProductsCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   productcategory.ProductsTable,
+			Columns: productcategory.ProductsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := pcu.mutation.ProductsIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   productcategory.ProductsTable,
+			Columns: productcategory.ProductsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if n, err = sqlgraph.UpdateNodes(ctx, pcu.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{productcategory.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	pcu.mutation.done = true
+	return n, nil
+}
+
+// ProductCategoryUpdateOne is the builder for updating a single ProductCategory entity.
+type ProductCategoryUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *ProductCategoryMutation
+}
+
+// SetName sets the "name" field.
+func (pcuo *ProductCategoryUpdateOne) SetName(s string) *ProductCategoryUpdateOne {
+	pcuo.mutation.SetName(s)
+	return pcuo
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (pcuo *ProductCategoryUpdateOne) SetNillableName(s *string) *ProductCategoryUpdateOne {
+	if s != nil {
+		pcuo.SetName(*s)
+	}
+	return pcuo
+}
+
+// SetSlug sets the "slug" field.
+func (pcuo *ProductCategoryUpdateOne) SetSlug(s string) *ProductCategoryUpdateOne {
+	pcuo.mutation.SetSlug(s)
+	return pcuo
+}
+
+// SetDescription sets the "description" field.
+func (pcuo *ProductCategoryUpdateOne) SetDescription(s string) *ProductCategoryUpdateOne {
+	pcuo.mutation.SetDescription(s)
+	return pcuo
+}
+
+// SetNillableDescription sets the "description" field if the given value is not nil.
+func (pcuo *ProductCategoryUpdateOne) SetNillableDescription(s *string) *ProductCategoryUpdateOne {
+	if s != nil {
+		pcuo.SetDescription(*s)
+	}
+	return pcuo
+}
+
+// ClearDescription clears the value of the "description" field.
+func (pcuo *ProductCategoryUpdateOne) ClearDescription() *ProductCategoryUpdateOne {
+	pcuo.mutation.ClearDescription()
+	return pcuo
+}
+
+// SetStatus sets the "status" field.
+func (pcuo *ProductCategoryUpdateOne) SetStatus(b bool) *ProductCategoryUpdateOne {
+	pcuo.mutation.SetStatus(b)
+	return pcuo
+}
+
+// SetNillableStatus sets the "status" field if the given value is not nil.
+func (pcuo *ProductCategoryUpdateOne) SetNillableStatus(b *bool) *ProductCategoryUpdateOne {
+	if b != nil {
+		pcuo.SetStatus(*b)
+	}
+	return pcuo
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (pcuo *ProductCategoryUpdateOne) SetCreatedAt(t time.Time) *ProductCategoryUpdateOne {
+	pcuo.mutation.SetCreatedAt(t)
+	return pcuo
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (pcuo *ProductCategoryUpdateOne) SetNillableCreatedAt(t *time.Time) *ProductCategoryUpdateOne {
+	if t != nil {
+		pcuo.SetCreatedAt(*t)
+	}
+	return pcuo
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (pcuo *ProductCategoryUpdateOne) SetUpdatedAt(t time.Time) *ProductCategoryUpdateOne {
+	pcuo.mutation.SetUpdatedAt(t)
+	return pcuo
+}
+
+// AddProductIDs adds the "products" edge to the Product entity by IDs.
+func (pcuo *ProductCategoryUpdateOne) AddProductIDs(ids ...int) *ProductCategoryUpdateOne {
+	pcuo.mutation.AddProductIDs(ids...)
+	return pcuo
+}
+
+// AddProducts adds the "products" edges to the Product entity.
+func (pcuo *ProductCategoryUpdateOne) AddProducts(p ...*Product) *ProductCategoryUpdateOne {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return pcuo.AddProductIDs(ids...)
+}
+
+// Mutation returns the ProductCategoryMutation object of the builder.
+func (pcuo *ProductCategoryUpdateOne) Mutation() *ProductCategoryMutation {
+	return pcuo.mutation
+}
+
+// ClearProducts clears all "products" edges to the Product entity.
+func (pcuo *ProductCategoryUpdateOne) ClearProducts() *ProductCategoryUpdateOne {
+	pcuo.mutation.ClearProducts()
+	return pcuo
+}
+
+// RemoveProductIDs removes the "products" edge to Product entities by IDs.
+func (pcuo *ProductCategoryUpdateOne) RemoveProductIDs(ids ...int) *ProductCategoryUpdateOne {
+	pcuo.mutation.RemoveProductIDs(ids...)
+	return pcuo
+}
+
+// RemoveProducts removes "products" edges to Product entities.
+func (pcuo *ProductCategoryUpdateOne) RemoveProducts(p ...*Product) *ProductCategoryUpdateOne {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return pcuo.RemoveProductIDs(ids...)
+}
+
+// Where appends a list predicates to the ProductCategoryUpdate builder.
+func (pcuo *ProductCategoryUpdateOne) Where(ps ...predicate.ProductCategory) *ProductCategoryUpdateOne {
+	pcuo.mutation.Where(ps...)
+	return pcuo
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (pcuo *ProductCategoryUpdateOne) Select(field string, fields ...string) *ProductCategoryUpdateOne {
+	pcuo.fields = append([]string{field}, fields...)
+	return pcuo
+}
+
+// Save executes the query and returns the updated ProductCategory entity.
+func (pcuo *ProductCategoryUpdateOne) Save(ctx context.Context) (*ProductCategory, error) {
+	pcuo.defaults()
+	return withHooks(ctx, pcuo.sqlSave, pcuo.mutation, pcuo.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (pcuo *ProductCategoryUpdateOne) SaveX(ctx context.Context) *ProductCategory {
+	node, err := pcuo.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (pcuo *ProductCategoryUpdateOne) Exec(ctx context.Context) error {
+	_, err := pcuo.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pcuo *ProductCategoryUpdateOne) ExecX(ctx context.Context) {
+	if err := pcuo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (pcuo *ProductCategoryUpdateOne) defaults() {
+	if _, ok := pcuo.mutation.UpdatedAt(); !ok {
+		v := productcategory.UpdateDefaultUpdatedAt()
+		pcuo.mutation.SetUpdatedAt(v)
+	}
+}
+
+func (pcuo *ProductCategoryUpdateOne) sqlSave(ctx context.Context) (_node *ProductCategory, err error) {
+	_spec := sqlgraph.NewUpdateSpec(productcategory.Table, productcategory.Columns, sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt))
+	id, ok := pcuo.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "ProductCategory.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := pcuo.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, productcategory.FieldID)
+		for _, f := range fields {
+			if !productcategory.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+			}
+			if f != productcategory.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := pcuo.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := pcuo.mutation.Name(); ok {
+		_spec.SetField(productcategory.FieldName, field.TypeString, value)
+	}
+	if value, ok := pcuo.mutation.Slug(); ok {
+		_spec.SetField(productcategory.FieldSlug, field.TypeString, value)
+	}
+	if value, ok := pcuo.mutation.Description(); ok {
+		_spec.SetField(productcategory.FieldDescription, field.TypeString, value)
+	}
+	if pcuo.mutation.DescriptionCleared() {
+		_spec.ClearField(productcategory.FieldDescription, field.TypeString)
+	}
+	if value, ok := pcuo.mutation.Status(); ok {
+		_spec.SetField(productcategory.FieldStatus, field.TypeBool, value)
+	}
+	if value, ok := pcuo.mutation.CreatedAt(); ok {
+		_spec.SetField(productcategory.FieldCreatedAt, field.TypeTime, value)
+	}
+	if value, ok := pcuo.mutation.UpdatedAt(); ok {
+		_spec.SetField(productcategory.FieldUpdatedAt, field.TypeTime, value)
+	}
+	if pcuo.mutation.ProductsCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   productcategory.ProductsTable,
+			Columns: productcategory.ProductsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := pcuo.mutation.RemovedProductsIDs(); len(nodes) > 0 && !pcuo.mutation.ProductsCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   productcategory.ProductsTable,
+			Columns: productcategory.ProductsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := pcuo.mutation.ProductsIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   productcategory.ProductsTable,
+			Columns: productcategory.ProductsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(product.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	_node = &ProductCategory{config: pcuo.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, pcuo.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{productcategory.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	pcuo.mutation.done = true
+	return _node, nil
+}

ent/runtime.go

@@ -0,0 +1,106 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"online-order/ent/business"
+	"online-order/ent/businesscategory"
+	"online-order/ent/product"
+	"online-order/ent/productcategory"
+	"online-order/ent/schema"
+	"time"
+)
+
+// The init function reads all schema descriptors with runtime code
+// (default values, validators, hooks and policies) and stitches it
+// to their package variables.
+func init() {
+	businessFields := schema.Business{}.Fields()
+	_ = businessFields
+	// businessDescName is the schema descriptor for name field.
+	businessDescName := businessFields[0].Descriptor()
+	// business.DefaultName holds the default value on creation for the name field.
+	business.DefaultName = businessDescName.Default.(string)
+	// businessDescCompany is the schema descriptor for company field.
+	businessDescCompany := businessFields[4].Descriptor()
+	// business.DefaultCompany holds the default value on creation for the company field.
+	business.DefaultCompany = businessDescCompany.Default.(string)
+	// businessDescCreatedAt is the schema descriptor for created_at field.
+	businessDescCreatedAt := businessFields[6].Descriptor()
+	// business.DefaultCreatedAt holds the default value on creation for the created_at field.
+	business.DefaultCreatedAt = businessDescCreatedAt.Default.(func() time.Time)
+	// businessDescUpdatedAt is the schema descriptor for updated_at field.
+	businessDescUpdatedAt := businessFields[7].Descriptor()
+	// business.DefaultUpdatedAt holds the default value on creation for the updated_at field.
+	business.DefaultUpdatedAt = businessDescUpdatedAt.Default.(func() time.Time)
+	// business.UpdateDefaultUpdatedAt holds the default value on update for the updated_at field.
+	business.UpdateDefaultUpdatedAt = businessDescUpdatedAt.UpdateDefault.(func() time.Time)
+	businesscategoryFields := schema.BusinessCategory{}.Fields()
+	_ = businesscategoryFields
+	// businesscategoryDescName is the schema descriptor for name field.
+	businesscategoryDescName := businesscategoryFields[1].Descriptor()
+	// businesscategory.DefaultName holds the default value on creation for the name field.
+	businesscategory.DefaultName = businesscategoryDescName.Default.(string)
+	// businesscategoryDescDescription is the schema descriptor for description field.
+	businesscategoryDescDescription := businesscategoryFields[2].Descriptor()
+	// businesscategory.DefaultDescription holds the default value on creation for the description field.
+	businesscategory.DefaultDescription = businesscategoryDescDescription.Default.(string)
+	productFields := schema.Product{}.Fields()
+	_ = productFields
+	// productDescName is the schema descriptor for name field.
+	productDescName := productFields[0].Descriptor()
+	// product.DefaultName holds the default value on creation for the name field.
+	product.DefaultName = productDescName.Default.(string)
+	// productDescPrice is the schema descriptor for price field.
+	productDescPrice := productFields[2].Descriptor()
+	// product.DefaultPrice holds the default value on creation for the price field.
+	product.DefaultPrice = productDescPrice.Default.(float64)
+	// product.PriceValidator is a validator for the "price" field. It is called by the builders before save.
+	product.PriceValidator = productDescPrice.Validators[0].(func(float64) error)
+	// productDescOriginalPrice is the schema descriptor for original_price field.
+	productDescOriginalPrice := productFields[3].Descriptor()
+	// product.DefaultOriginalPrice holds the default value on creation for the original_price field.
+	product.DefaultOriginalPrice = productDescOriginalPrice.Default.(float64)
+	// product.OriginalPriceValidator is a validator for the "original_price" field. It is called by the builders before save.
+	product.OriginalPriceValidator = productDescOriginalPrice.Validators[0].(func(float64) error)
+	// productDescQuantity is the schema descriptor for quantity field.
+	productDescQuantity := productFields[4].Descriptor()
+	// product.DefaultQuantity holds the default value on creation for the quantity field.
+	product.DefaultQuantity = productDescQuantity.Default.(int)
+	// product.QuantityValidator is a validator for the "quantity" field. It is called by the builders before save.
+	product.QuantityValidator = productDescQuantity.Validators[0].(func(int) error)
+	// productDescStatus is the schema descriptor for status field.
+	productDescStatus := productFields[5].Descriptor()
+	// product.DefaultStatus holds the default value on creation for the status field.
+	product.DefaultStatus = productDescStatus.Default.(bool)
+	// productDescCreatedAt is the schema descriptor for created_at field.
+	productDescCreatedAt := productFields[6].Descriptor()
+	// product.DefaultCreatedAt holds the default value on creation for the created_at field.
+	product.DefaultCreatedAt = productDescCreatedAt.Default.(time.Time)
+	// productDescUpdatedAt is the schema descriptor for updated_at field.
+	productDescUpdatedAt := productFields[7].Descriptor()
+	// product.DefaultUpdatedAt holds the default value on creation for the updated_at field.
+	product.DefaultUpdatedAt = productDescUpdatedAt.Default.(time.Time)
+	// product.UpdateDefaultUpdatedAt holds the default value on update for the updated_at field.
+	product.UpdateDefaultUpdatedAt = productDescUpdatedAt.UpdateDefault.(func() time.Time)
+	productcategoryFields := schema.ProductCategory{}.Fields()
+	_ = productcategoryFields
+	// productcategoryDescName is the schema descriptor for name field.
+	productcategoryDescName := productcategoryFields[0].Descriptor()
+	// productcategory.DefaultName holds the default value on creation for the name field.
+	productcategory.DefaultName = productcategoryDescName.Default.(string)
+	// productcategoryDescStatus is the schema descriptor for status field.
+	productcategoryDescStatus := productcategoryFields[3].Descriptor()
+	// productcategory.DefaultStatus holds the default value on creation for the status field.
+	productcategory.DefaultStatus = productcategoryDescStatus.Default.(bool)
+	// productcategoryDescCreatedAt is the schema descriptor for created_at field.
+	productcategoryDescCreatedAt := productcategoryFields[4].Descriptor()
+	// productcategory.DefaultCreatedAt holds the default value on creation for the created_at field.
+	productcategory.DefaultCreatedAt = productcategoryDescCreatedAt.Default.(time.Time)
+	// productcategoryDescUpdatedAt is the schema descriptor for updated_at field.
+	productcategoryDescUpdatedAt := productcategoryFields[5].Descriptor()
+	// productcategory.DefaultUpdatedAt holds the default value on creation for the updated_at field.
+	productcategory.DefaultUpdatedAt = productcategoryDescUpdatedAt.Default.(time.Time)
+	// productcategory.UpdateDefaultUpdatedAt holds the default value on update for the updated_at field.
+	productcategory.UpdateDefaultUpdatedAt = productcategoryDescUpdatedAt.UpdateDefault.(func() time.Time)
+}

ent/runtime/runtime.go

@@ -0,0 +1,10 @@
+// Code generated by ent, DO NOT EDIT.
+
+package runtime
+
+// The schema-stitching logic is generated in online-order/ent/runtime.go
+
+const (
+	Version = "v0.12.4"                                         // Version of ent codegen.
+	Sum     = "h1:LddPnAyxls/O7DTXZvUGDj0NZIdGSu317+aoNLJWbD8=" // Sum of ent codegen.
+)

ent/schema/business.go

@@ -0,0 +1,34 @@
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"time"
+)
+
+// Business holds the schema definition for the Business entity.
+type Business struct {
+	ent.Schema
+}
+
+// Fields of the Business.
+func (Business) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("name").Default("unknown"),
+		field.String("slug").Unique(),
+		field.String("bot_id").Nillable().Unique(),
+		field.String("description").Optional().Nillable(),
+		field.String("company").Default("main"),
+		field.String("about_us").Optional().Nillable(),
+		field.Time("created_at").Default(time.Now),
+		field.Time("updated_at").Default(time.Now).UpdateDefault(time.Now),
+	}
+}
+
+// Edges of the Business.
+func (Business) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("businessCategory", BusinessCategory.Type).Ref("businesses"),
+	}
+}

ent/schema/businesscategory.go

@@ -0,0 +1,31 @@
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+)
+
+// BusinessCategory holds the schema definition for the BusinessCategory entity.
+type BusinessCategory struct {
+	ent.Schema
+}
+
+// Fields of the BusinessCategory.
+func (BusinessCategory) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("slug").
+			Unique(),
+		field.String("name").
+			Default("unknown"),
+		field.String("description").
+			Default("unknown"),
+	}
+}
+
+// Edges of the BusinessCategory.
+func (BusinessCategory) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("businesses", Business.Type),
+	}
+}

ent/schema/product.go

@@ -0,0 +1,34 @@
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"time"
+)
+
+// Product holds the schema definition for the Product entity.
+type Product struct {
+	ent.Schema
+}
+
+// Fields of the Product.
+func (Product) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("name").Default("unknown"),
+		field.String("description").Optional().Nillable(),
+		field.Float("price").Default(0).Positive(),
+		field.Float("original_price").Default(0).Positive(),
+		field.Int("quantity").Default(0).Positive(),
+		field.Bool("status").Default(true),
+		field.Time("created_at").Default(time.Now()),
+		field.Time("updated_at").Default(time.Now()).UpdateDefault(time.Now),
+	}
+}
+
+// Edges of the Product.
+func (Product) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("productCategory", ProductCategory.Type).Ref("products"),
+	}
+}

ent/schema/productcategory.go

@@ -0,0 +1,32 @@
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"time"
+)
+
+// ProductCategory holds the schema definition for the ProductCategory entity.
+type ProductCategory struct {
+	ent.Schema
+}
+
+// Fields of the ProductCategory.
+func (ProductCategory) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("name").Default("unknown"),
+		field.String("slug").Unique(),
+		field.String("description").Optional().Nillable(),
+		field.Bool("status").Default(true),
+		field.Time("created_at").Default(time.Now()),
+		field.Time("updated_at").Default(time.Now()).UpdateDefault(time.Now),
+	}
+}
+
+// Edges of the ProductCategory.
+func (ProductCategory) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("products", Product.Type),
+	}
+}

ent/tx.go

@@ -0,0 +1,219 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"sync"
+
+	"entgo.io/ent/dialect"
+)
+
+// Tx is a transactional client that is created by calling Client.Tx().
+type Tx struct {
+	config
+	// Business is the client for interacting with the Business builders.
+	Business *BusinessClient
+	// BusinessCategory is the client for interacting with the BusinessCategory builders.
+	BusinessCategory *BusinessCategoryClient
+	// Product is the client for interacting with the Product builders.
+	Product *ProductClient
+	// ProductCategory is the client for interacting with the ProductCategory builders.
+	ProductCategory *ProductCategoryClient
+
+	// lazily loaded.
+	client     *Client
+	clientOnce sync.Once
+	// ctx lives for the life of the transaction. It is
+	// the same context used by the underlying connection.
+	ctx context.Context
+}
+
+type (
+	// Committer is the interface that wraps the Commit method.
+	Committer interface {
+		Commit(context.Context, *Tx) error
+	}
+
+	// The CommitFunc type is an adapter to allow the use of ordinary
+	// function as a Committer. If f is a function with the appropriate
+	// signature, CommitFunc(f) is a Committer that calls f.
+	CommitFunc func(context.Context, *Tx) error
+
+	// CommitHook defines the "commit middleware". A function that gets a Committer
+	// and returns a Committer. For example:
+	//
+	//	hook := func(next ent.Committer) ent.Committer {
+	//		return ent.CommitFunc(func(ctx context.Context, tx *ent.Tx) error {
+	//			// Do some stuff before.
+	//			if err := next.Commit(ctx, tx); err != nil {
+	//				return err
+	//			}
+	//			// Do some stuff after.
+	//			return nil
+	//		})
+	//	}
+	//
+	CommitHook func(Committer) Committer
+)
+
+// Commit calls f(ctx, m).
+func (f CommitFunc) Commit(ctx context.Context, tx *Tx) error {
+	return f(ctx, tx)
+}
+
+// Commit commits the transaction.
+func (tx *Tx) Commit() error {
+	txDriver := tx.config.driver.(*txDriver)
+	var fn Committer = CommitFunc(func(context.Context, *Tx) error {
+		return txDriver.tx.Commit()
+	})
+	txDriver.mu.Lock()
+	hooks := append([]CommitHook(nil), txDriver.onCommit...)
+	txDriver.mu.Unlock()
+	for i := len(hooks) - 1; i >= 0; i-- {
+		fn = hooks[i](fn)
+	}
+	return fn.Commit(tx.ctx, tx)
+}
+
+// OnCommit adds a hook to call on commit.
+func (tx *Tx) OnCommit(f CommitHook) {
+	txDriver := tx.config.driver.(*txDriver)
+	txDriver.mu.Lock()
+	txDriver.onCommit = append(txDriver.onCommit, f)
+	txDriver.mu.Unlock()
+}
+
+type (
+	// Rollbacker is the interface that wraps the Rollback method.
+	Rollbacker interface {
+		Rollback(context.Context, *Tx) error
+	}
+
+	// The RollbackFunc type is an adapter to allow the use of ordinary
+	// function as a Rollbacker. If f is a function with the appropriate
+	// signature, RollbackFunc(f) is a Rollbacker that calls f.
+	RollbackFunc func(context.Context, *Tx) error
+
+	// RollbackHook defines the "rollback middleware". A function that gets a Rollbacker
+	// and returns a Rollbacker. For example:
+	//
+	//	hook := func(next ent.Rollbacker) ent.Rollbacker {
+	//		return ent.RollbackFunc(func(ctx context.Context, tx *ent.Tx) error {
+	//			// Do some stuff before.
+	//			if err := next.Rollback(ctx, tx); err != nil {
+	//				return err
+	//			}
+	//			// Do some stuff after.
+	//			return nil
+	//		})
+	//	}
+	//
+	RollbackHook func(Rollbacker) Rollbacker
+)
+
+// Rollback calls f(ctx, m).
+func (f RollbackFunc) Rollback(ctx context.Context, tx *Tx) error {
+	return f(ctx, tx)
+}
+
+// Rollback rollbacks the transaction.
+func (tx *Tx) Rollback() error {
+	txDriver := tx.config.driver.(*txDriver)
+	var fn Rollbacker = RollbackFunc(func(context.Context, *Tx) error {
+		return txDriver.tx.Rollback()
+	})
+	txDriver.mu.Lock()
+	hooks := append([]RollbackHook(nil), txDriver.onRollback...)
+	txDriver.mu.Unlock()
+	for i := len(hooks) - 1; i >= 0; i-- {
+		fn = hooks[i](fn)
+	}
+	return fn.Rollback(tx.ctx, tx)
+}
+
+// OnRollback adds a hook to call on rollback.
+func (tx *Tx) OnRollback(f RollbackHook) {
+	txDriver := tx.config.driver.(*txDriver)
+	txDriver.mu.Lock()
+	txDriver.onRollback = append(txDriver.onRollback, f)
+	txDriver.mu.Unlock()
+}
+
+// Client returns a Client that binds to current transaction.
+func (tx *Tx) Client() *Client {
+	tx.clientOnce.Do(func() {
+		tx.client = &Client{config: tx.config}
+		tx.client.init()
+	})
+	return tx.client
+}
+
+func (tx *Tx) init() {
+	tx.Business = NewBusinessClient(tx.config)
+	tx.BusinessCategory = NewBusinessCategoryClient(tx.config)
+	tx.Product = NewProductClient(tx.config)
+	tx.ProductCategory = NewProductCategoryClient(tx.config)
+}
+
+// txDriver wraps the given dialect.Tx with a nop dialect.Driver implementation.
+// The idea is to support transactions without adding any extra code to the builders.
+// When a builder calls to driver.Tx(), it gets the same dialect.Tx instance.
+// Commit and Rollback are nop for the internal builders and the user must call one
+// of them in order to commit or rollback the transaction.
+//
+// If a closed transaction is embedded in one of the generated entities, and the entity
+// applies a query, for example: Business.QueryXXX(), the query will be executed
+// through the driver which created this transaction.
+//
+// Note that txDriver is not goroutine safe.
+type txDriver struct {
+	// the driver we started the transaction from.
+	drv dialect.Driver
+	// tx is the underlying transaction.
+	tx dialect.Tx
+	// completion hooks.
+	mu         sync.Mutex
+	onCommit   []CommitHook
+	onRollback []RollbackHook
+}
+
+// newTx creates a new transactional driver.
+func newTx(ctx context.Context, drv dialect.Driver) (*txDriver, error) {
+	tx, err := drv.Tx(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return &txDriver{tx: tx, drv: drv}, nil
+}
+
+// Tx returns the transaction wrapper (txDriver) to avoid Commit or Rollback calls
+// from the internal builders. Should be called only by the internal builders.
+func (tx *txDriver) Tx(context.Context) (dialect.Tx, error) { return tx, nil }
+
+// Dialect returns the dialect of the driver we started the transaction from.
+func (tx *txDriver) Dialect() string { return tx.drv.Dialect() }
+
+// Close is a nop close.
+func (*txDriver) Close() error { return nil }
+
+// Commit is a nop commit for the internal builders.
+// User must call `Tx.Commit` in order to commit the transaction.
+func (*txDriver) Commit() error { return nil }
+
+// Rollback is a nop rollback for the internal builders.
+// User must call `Tx.Rollback` in order to rollback the transaction.
+func (*txDriver) Rollback() error { return nil }
+
+// Exec calls tx.Exec.
+func (tx *txDriver) Exec(ctx context.Context, query string, args, v any) error {
+	return tx.tx.Exec(ctx, query, args, v)
+}
+
+// Query calls tx.Query.
+func (tx *txDriver) Query(ctx context.Context, query string, args, v any) error {
+	return tx.tx.Query(ctx, query, args, v)
+}
+
+var _ dialect.Driver = (*txDriver)(nil)

entity/config.go

@@ -0,0 +1,18 @@
+package entity
+
+type Config struct {
+	ServerPort string `mapstructure:"SERVER_PORT"`
+
+	DbRootPassword string `mapstructure:"DB_ROOT_PASSWORD"`
+	DbName         string `mapstructure:"DB_NAME"`
+	DbUser         string `mapstructure:"DB_USER"`
+	DbPassword     string `mapstructure:"DB_PASSWORD"`
+	DbHost         string `mapstructure:"DB_HOST"`
+	DbPort         string `mapstructure:"DB_PORT"`
+
+	AccessTokenHourLifespan  int    `mapstructure:"ACCESS_TOKEN_HOUR_LIFESPAN"`
+	RefreshTokenHourLifespan int    `mapstructure:"REFRESH_TOKEN_HOUR_LIFESPAN"`
+	AccessTokenSecret        string `mapstructure:"ACCESS_TOKEN_SECRET"`
+	RefreshTokenSecret       string `mapstructure:"REFRESH_TOKEN_SECRET"`
+	TokenPrefix              string `mapstructure:"TOKEN_PREFIX"`
+}

entity/error.go

@@ -0,0 +1,15 @@
+package entity
+
+import "errors"
+
+var  ErrNotFound = errors.New("not found")
+
+var ErrInvalidModel = errors.New("invalid model")
+
+var ErrCanNotBeDeleted = errors.New("can not be deleted")
+
+var ErrNullField = errors.New("some fields should not be null")
+
+var ErrInvalidPassword = errors.New("password is empty or invalid")
+
+var  ErrUserNotFound = errors.New("user does not exist")

entity/server.go

@@ -0,0 +1,16 @@
+package entity
+
+import (
+	"github.com/gin-gonic/gin"
+	"online-order/ent"
+)
+
+type RouterBase struct {
+	Database *ent.Client
+	OpenApp  *gin.RouterGroup
+}
+
+type Routers struct {
+	RouterBase
+	RestrictedApp *gin.RouterGroup
+}

go.mod

@@ -0,0 +1,51 @@
+module online-order
+
+go 1.20
+
+require (
+	entgo.io/ent v0.12.4 // indirect
+	github.com/bytedance/sonic v1.9.1 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-gonic/gin v1.9.1 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.14.0 // indirect
+	github.com/go-sql-driver/mysql v1.7.1 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
+	github.com/leodido/go-urn v1.2.4 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
+	github.com/rs/zerolog v1.31.0 // indirect
+	github.com/sagikazarmark/locafero v0.3.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.10.0 // indirect
+	github.com/spf13/cast v1.5.1 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/viper v1.17.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.11 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/arch v0.3.0 // indirect
+	golang.org/x/crypto v0.13.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/net v0.15.0 // indirect
+	golang.org/x/sys v0.12.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -0,0 +1,599 @@
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main.go

@@ -0,0 +1,61 @@
+package online_order
+
+import (
+	"context"
+	"log"
+
+	"github.com/gin-gonic/gin"
+	_ "github.com/go-sql-driver/mysql"
+	logger "github.com/rs/zerolog/log"
+
+	"online-order/api/middlewares"
+	"online-order/configs"
+	"online-order/ent/migrate"
+	"online-order/entity"
+)
+
+// To load .env file
+func init() {
+	configs.Initialize()
+}
+
+func main() {
+	logger.Info().Msg("Server starting ...")
+	conf := configs.LoadConfigEnv()
+
+	// Start by connecting to database
+	db := configs.NewDBConnection()
+	defer db.Close()
+
+	// Run the automatic migration tool to create all schema resources.
+	ctx := context.Background()
+	err := db.Schema.Create(
+		ctx,
+		migrate.WithDropIndex(true),
+		migrate.WithDropColumn(true),
+	)
+	if err != nil {
+		log.Fatalf("failed creating schema resources: %v", err)
+	}
+
+	app := gin.Default()
+	api_v1 := app.Group("api/v1")
+	api_restricted := app.Group("api/v1/in")
+
+	router_base := &entity.RouterBase{
+		Database: db,
+		OpenApp:  api_v1,
+	}
+	router := &entity.Routers{
+		RouterBase:    *router_base,
+		RestrictedApp: api_restricted,
+	}
+
+	middlewareController := middlewares.NewMiddlewareRouters(router)
+	api_restricted.Use(middlewareController.JwAuthtMiddleware())
+
+	handler_users.NewUserRouters(router)
+
+	logger.Info().Msg("Server ready to go ...")
+	app.Run(conf.ServerPort)
+}

readme.md

@@ -0,0 +1,32 @@
+# Documentation
+
+## Step 1: Set env file
+|Env name| Description|Example|
+|---|---|---|
+|SERVER_PORT|Application running port|:9000|
+|DB_ROOT_PASSWORD| Database root passwod||
+|DB_NAME| Database name||
+|DB_USER| Database User||
+|DB_PASSWORD| Database password||
+|DB_HOST| Database IP host |localhost|
+|ACCESS_TOKEN_HOUR_LIFESPAN| Duration of authentication access token you in Login in Hour |1|
+|REFRESH_TOKEN_HOUR_LIFESPAN| Duration of authentication refresh token you in Login in Hour |1|
+|ACCESS_TOKEN_SECRET| Access Secret key that allow you to generate each login token |secret_1246@@@@!!/shghj_---QaZerftQWWWfz|
+|REFRESH_TOKEN_SECRET| Refresh Secret key that allow you to generate each login token |secret_1246@@@@!!/shghj_---QaZerftQWWWfz|
+|TOKEN_PREFIX| authorization token prefix used |Bearer|
+
+Other environment variable will go there in this file
+
+
+## Step 2: Start mysql container
+
+``` text
+make db-start
+```
+
+## Step 3: Start application
+```text
+make go-server
+```
+
+https://github.com/louistwiice/go-BasicWithEnt.git

utils/common.go

@@ -0,0 +1,46 @@
+package utils
+
+import (
+	"errors"
+
+	"github.com/gin-gonic/gin"
+	"github.com/louistwiice/go/basicwithent/entity"
+	"golang.org/x/crypto/bcrypt"
+)
+
+type Response struct {
+	Code    int         `json:"code"`
+	Message string      `json:"message"`
+	Data    interface{} `json:"data"`
+}
+
+// Function used to parse API response
+func ResponseJSON(c *gin.Context, httpCode, errCode int, msg string, data interface{}) {
+	c.JSON(httpCode, Response{
+		Code:    errCode,
+		Message: msg,
+		Data:    data,
+	})
+}
+
+// Allow to cypher a given word
+func HashString(password string) (string, error) {
+	if password == "" {
+		return "", entity.ErrInvalidPassword
+	}
+	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+	if err != nil {
+		return "", err
+	}
+	return string(hashedPassword), nil
+}
+
+// Compare a cyphered word and a plain word
+func CheckHashedString(plain_word, hashed_word string) error {
+	err := bcrypt.CompareHashAndPassword([]byte(hashed_word), []byte(plain_word))
+
+	if err ==  bcrypt.ErrMismatchedHashAndPassword {
+		return errors.New("incorrect password associated with identifier")
+	}
+	return err
+}

utils/common_test.go

@@ -0,0 +1,23 @@
+package utils
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_HashString(t *testing.T) {
+	plain_password := "mikepassword"
+
+	result, err := HashString(plain_password)
+	assert.Nil(t, err)
+	assert.NotEqual(t, result, plain_password)
+}
+
+func Test_CheckHashedString(t *testing.T) {
+	plain_password := "mikepassword"
+	result, _ := HashString(plain_password)
+
+	err := CheckHashedString(plain_password, result)
+	assert.Nil(t, err)
+}

utils/jwt_token/token.go

@@ -0,0 +1,158 @@
+package jwttoken
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/golang-jwt/jwt/v4"
+	"github.com/louistwiice/go/basicwithent/configs"
+)
+
+// GenerateToken generates token when user connects himself
+func GenerateToken(user_id string) (map[string]string, error) {
+	accessclaims := make(jwt.MapClaims)  // access token claim
+	refreshclaims := make(jwt.MapClaims)  //refresh token claim
+	now_time := time.Now().UTC()
+	conf := configs.LoadConfigEnv()//LoadConfigEnv() //Load .env settings
+
+	// Generate access token
+	accessclaims["authorized"] = true
+	accessclaims["sub"] = user_id
+	accessclaims["exp"] = now_time.Add(time.Hour * time.Duration(conf.AccessTokenHourLifespan)).Unix()
+	//accessclaims["exp"] = now_time.Add(time.Hour * time.Duration(configs.GetInt("ACCESS_TOKEN_HOUR_LIFESPAN"))).Unix()
+	accessclaims["iat"] = now_time.Unix()
+	accessclaims["nbf"] = now_time.Unix()
+
+	accesstoken := jwt.NewWithClaims(jwt.SigningMethodHS256, accessclaims)
+	at, err := accesstoken.SignedString([]byte(conf.AccessTokenSecret))
+	if err != nil {
+		return nil, err
+	}
+
+	// Generate refresh token
+	refreshclaims["authorized"] = true
+	refreshclaims["sub"] = user_id
+	refreshclaims["exp"] = now_time.Add(time.Hour * time.Duration(conf.RefreshTokenHourLifespan)).Unix()
+	refreshclaims["iat"] = now_time.Unix()
+	refreshclaims["nbf"] = now_time.Unix()
+
+	refreshtoken := jwt.NewWithClaims(jwt.SigningMethodHS256, accessclaims)
+	rt, err := refreshtoken.SignedString([]byte(conf.RefreshTokenSecret))
+	if err != nil {
+		return nil, err
+	}
+
+	return map[string]string{"access_token": at, "refresh_token": rt}, nil
+}
+
+// ExtractToken retrieves the token send by the user in every request
+func ExtractToken(ctx *gin.Context) string {
+	conf := configs.LoadConfigEnv()
+	
+	bearerToken := ctx.Request.Header.Get("Authorization")
+	// If the token doesn not start with a good prefix: like Bearer, Token, ..., we return empty string
+	if !strings.HasPrefix(bearerToken, conf.TokenPrefix) {
+		return ""
+	}
+
+	if len(strings.Split(bearerToken, " ")) == 2 {
+		return strings.Split(bearerToken, " ")[1]
+	}
+	return ""
+}
+
+// IsTokenValid check if a token is valid and not expired
+func IsTokenValid(ctx *gin.Context) (string, error) {
+	tokenString := ExtractToken(ctx)
+	conf := configs.LoadConfigEnv()
+
+	token , err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
+		}
+		return []byte(conf.AccessTokenSecret), nil
+	})
+
+	if err != nil {
+		return "", err
+	}
+	if claim, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
+		return claim["sub"].(string), nil
+	}
+	return "", err
+}
+
+// ExtractTokenID extracts the user ID on a Token from Access token
+func ExtractClaimsFromAccess(ctx *gin.Context) (jwt.MapClaims, error) {
+	tokenString := ExtractToken(ctx)
+	conf := configs.LoadConfigEnv()
+
+	token , err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
+		}
+		return []byte(conf.AccessTokenSecret), nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	claims, ok := token.Claims.(jwt.MapClaims)
+	if ok && token.Valid {
+		if err != nil {
+			return nil, err
+		}
+		return claims, nil
+	}
+
+	return nil, nil
+}
+
+// ExtractTokenID extracts the user ID on a Token from refresh token
+func ExtractClaimsFromRefresh(refresh_string string) (jwt.MapClaims, error) {
+	conf := configs.LoadConfigEnv()
+
+	token , err := jwt.Parse(refresh_string, func(token *jwt.Token) (interface{}, error) {
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
+		}
+		return []byte(conf.RefreshTokenSecret), nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	claims, ok := token.Claims.(jwt.MapClaims)
+	if ok && token.Valid {
+		if err != nil {
+			return nil, err
+		}
+		return claims, nil
+	}
+
+	return nil, nil
+}
+
+// Check refresh token
+func RefreshToken(ctx *gin.Context, refresh_string string) (map[string]string, error) {
+	conf := configs.LoadConfigEnv()
+
+	rtoken , err := jwt.Parse(refresh_string, func(token *jwt.Token) (interface{}, error) {
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
+		}
+		return []byte(conf.RefreshTokenSecret), nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if refreshClaim, ok := rtoken.Claims.(jwt.MapClaims); ok && rtoken.Valid {
+		return GenerateToken(refreshClaim["sub"].(string))
+	}
+	return nil, err
+}