ldc-dam/app/Models/Sujet.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Sujet extends Model
{

	/**
	 * The primary key associated with the table.
	 *
	 * @var string
	 */
	protected $primaryKey = 'codeSujet';

		/**
	   * The users that belong to the sujet.
	   */
	   public function users()
	   {
		   return $this->belongsToMany('App\User', 'sujets_users', 'sujet_id', 'user_id');
	   }

	   /**
        * Get the dossier for the sujet.
        */
       public function dossiers()
       {
           return $this->hasMany('App\Models\Dossier');
       }

	   /**
		* Get the variantes for the sujet.
		*/
	   public function variantes()
	   {
		   return $this->hasMany('App\Models\Variante', 'sujet_id', 'codeSujet');
	   }

	   /**
	   * Get the typeVue for the sujet.
	   */
	  public function typeVues()
	  {
		  return $this->hasMany('App\Models\Typevue', 'sujet_id', 'codeSujet');
	  }

	   /**
        * Get the medias for the sujet.
        */
       public function medias()
       {
           return $this->hasMany('App\Models\Media');
       }

	   /**
	  * The formats that belong to the sujet.
	  */
	  public function formats()
	  {
		  return $this->belongsToMany('App\Models\Format', 'sujets_formats', 'sujet_id', 'format_id');
	  }

	  /**
   * Get the recherches for the sujet.
   */
	 public function recherches()
	 {
	  return $this->hasMany('App\Models\Recherche');
	 }
}