willaengine/app/SpUserTemplate.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class SpUserTemplate extends Model{

    public $timestamps = null;

    protected $fillable = ['name_fa', 'description', 'sp_template_id', 'business_id','default_language_id'];

    public function parent()
    {
        return $this->belongsTo('App\SpUserTemplate', 'parent_id');
    }
    public function children()
    {
        return $this->hasMany('App\SpUserTemplate', 'parent_id');
    }

    public function template()
    {
        return $this->belongsTo('App\SpTemplate', 'sp_template_id');
    }

    public function pages()
    {
        return $this->belongsToMany('App\SpPage','sp_user_pages');
    }

    public function user_pages()
    {
        return $this->hasMany('App\SpUserPage');
    }

    public function home_page()
    {
        return $this->hasOne('App\SpUserPage')->where('name_en', 'Home');
    }

    public function business()
    {
        return $this->belongsTo('App\Business');
    }

    public function user_facilities()
    {
        return $this->hasMany('App\SpUserFacility');
    }

    public function facilities()
    {
        return $this->belongsToMany('App\\SpFacility', 'sp_user_facilities', 'sp_user_template_id', 'sp_facility_id');
    }


    public function images() {
        return $this->morphToMany( 'App\Gallery', 'uploadable' );
    }

    public function title_image() {
        return $this->morphToMany( 'App\Gallery', 'uploadable' )->wherePivot( 'image_role', 'TitleImage' )->where('parent_id', null);;
    }

    public function gallery() {
        return $this->morphToMany( 'App\Gallery', 'uploadable' )->wherePivot( 'image_role', 'Gallery' )->where('parent_id', null);;
    }
    public function language()
    {
        return $this->belongsTo('App\Language', 'default_language_id');
    }
    public function sites()
    {
        return $this->hasMany('App\Site');
    }

}