ldc-mesbr-app/app/Models/Panier.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Panier extends Model
{
    use HasFactory;
    
    /**
     * @var string
     */
    protected $table = 'panier';

    /**
     * @var string
     */
    protected $primaryKey = 'panier_id';

    /**
     * @var boolean
     */
    public $timestamps = false;

    // protected $with = ['panierContents'];
    /**
     * OneToMany
     * Panier -> PanierContent
     */
    public function panierContents()
    {
        return $this->hasMany('App\Models\PanierContent', 'panier_content_panierId', 'panier_id');
    }

    /**
     * ManyToOne
     * Panier -> Campagne
     */
    public function campagne()
    {
        return $this->belongsTo('App\Models\Campagne', 'panier_campId');
    }

    /**
     * ManyToOne
     * Panier -> Contact
     */
    public function contact()
    {
        return $this->belongsTo('App\Models\Contact', 'panier_contactId');
    }
}