Filtre sur les select des formulaires liés à des entités (currentMerchant)

ShopBundle/Controller/Admin/AdminController.php

 
 use App\Entity\PointSale;
 use App\Entity\ProductCategory;
+use App\Entity\ProductFamily;
 use Doctrine\DBAL\Types\TextType;
+use Doctrine\ORM\EntityManager;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\EntityRepository;
 use EasyCorp\Bundle\EasyAdminBundle\Controller\EasyAdminController;
 use Symfony\Bridge\Doctrine\Form\Type\EntityType;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\Form\Extension\Core\Type\CollectionType;
+use Symfony\Component\Form\Extension\Core\Type\HiddenType;
 use Symfony\Component\Form\Extension\Core\Type\MoneyType;
+use Symfony\Component\Form\FormEvent;
+use Symfony\Component\Form\FormEvents;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Security\Core\Security;
 
 {
         protected $security;
         protected $userManager;
+        protected $em ;
 
-        public function __construct(Security $security, UserManagerInterface $userManager)
+        public function __construct(Security $security, UserManagerInterface $userManager, EntityManagerInterface $em)
         {
                 $this->security = $security;
                 $this->userManager = $userManager;
+                $this->em = $em ;
         }
 
         public function showAction()
                                 )
                         );
                 }
+
+                // @TODO : À passer dans le controller de App
+                $formBuilder->addEventListener(FormEvents::POST_SET_DATA, function (FormEvent $event) {
+                        $form = $event->getForm();
+                        $allChilds = $form->all() ;
+                        foreach($allChilds as $child) {
+
+                                $type = $child->getConfig()->getType()->getInnerType() ;
+                                if($type instanceof EntityType) {
+                                        $attributes = $child->getConfig()->getAttributes() ;
+                                        $passedOptions = $attributes['data_collector/passed_options'] ;
+                                        $classImplements = class_implements($passedOptions['class']) ;
+
+                                        if(in_array('App\Context\FilterHubInterface', $classImplements)) {
+                                                $form->add($child->getName(), EntityType::class, array(
+                                                                'class' => $this->em->getClassMetadata($passedOptions['class'])->getName(),
+                                                                'label' => $passedOptions['label'],
+                                                                'query_builder' => function (EntityRepository $repo) {
+                                                                        return $repo->createQueryBuilder('e')
+                                                                                ->where('e.hub = :currentMerchant')
+                                                                                ->setParameter(':currentMerchant', $this->getUser()->getMerchant()->getId());
+                                                                },
+                                                                'required' => $passedOptions['required'],
+                                                        )
+                                                );
+                                        }
+                                }
+                        }
+                });
+
                 return $formBuilder;
         }
 }