src/EventSubscriber/OrdUpdater.php line 32

  1. <?php
  2. namespace App\EventSubscriber;
  4. use Symfony\Component\EventDispatcher\EventSubscriberInterface,
  5.     Symfony\Component\HttpKernel\Event\ViewEvent,
  6.     Symfony\Component\HttpKernel\KernelEvents,
  7.     Symfony\Component\HttpFoundation\Request;
  9. use ApiPlatform\Symfony\EventListener\EventPriorities;
  11. use App\Entity\Interface\OrderableInterface,
  12.     App\Repository\OrderableRepository;
  14. final class OrdUpdater implements EventSubscriberInterface
  15. {
  16.     private OrderableRepository $repository;
  18.     public function __construct(OrderableRepository $repository)
  19.     {
  20.         $this->repository = $repository;
  21.     }
  23.     public static function getSubscribedEvents(): array
  24.     {
  25.         return [
  26.             KernelEvents::VIEW => [
  27.                 ['update', EventPriorities::POST_VALIDATE]
  28.             ]
  29.         ];
  30.     }
  32.     public function update(ViewEvent $event): void
  33.     {
  34.         $entity  = $event->getControllerResult();
  35.         $request = $event->getRequest();
  37.         if (
  38.             ! $request->isMethod(Request::METHOD_PUT)
  39.             || ! $entity instanceof OrderableInterface
  40.         ) {
  41.             return;
  42.         }
  44.         $originalEntity = $this->repository->getOriginalEntity($entity);
  46.         $oldOrd = $originalEntity['ord'];
  47.         $newOrd = $entity->getOrd();
  49.         if ($oldOrd === $newOrd) {
  50.             return;
  51.         }
  53.         $entitiesBetween = $this->repository->getEntitiesBetween($entity, $oldOrd, $newOrd);
  55.         foreach ($entitiesBetween as $entityBetween) {
  56.             $entityBetween->setOrd(
  57.                 $entityBetween->getOrd() + ($oldOrd > $newOrd ? 1 : - 1)
  58.             );
  59.         }
  61.         return;
  62.     }
  63. }