src/EventSubscriber/PaginateSubscriber.php line 30

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  1. <?php
  3. namespace App\EventSubscriber;
  5. use Doctrine\ORM\Query;
  6. use Knp\Component\Pager\Event\ItemsEvent;
  7. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  8. use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
  10. class PaginateSubscriber implements EventSubscriberInterface
  11. {
  12.     public const ALIASSES = ['applicant', 'vacancy'];
  14.     /**
  15.      * @var AuthorizationCheckerInterface
  16.      */
  17.     private $authorizationChecker;
  19.     /**
  20.      * PaginateApplicantSubscriber constructor.
  21.      */
  22.     public function __construct(AuthorizationCheckerInterface $authorizationChecker)
  23.     {
  24.         $this->authorizationChecker = $authorizationChecker;
  25.     }
  27.     /**
  28.      * {@inheritdoc}
  29.      */
  30.     public function items(ItemsEvent $event)
  31.     {
  32.         if (!isset($event->options['alias']) || !\in_array($event->options['alias'], self::ALIASSES, true)) {
  33.             return;
  34.         }
  36.         /** @var Query $query */
  37.         $query = $event->target;
  38.         $collection = $query->getResult();
  40.         $collection = array_filter($collection, function ($entity) {
  41.             return $this->authorizationChecker->isGranted('view', $entity);
  42.         });
  44.         $event->count = \count($collection);
  45.         $event->items = \array_slice($collection, $event->getOffset(), $event->getLimit());
  46.         $event->stopPropagation();
  47.     }
  49.     /**
  50.      * {@inheritdoc}
  51.      */
  52.     public static function getSubscribedEvents()
  53.     {
  54.         return ['knp_pager.items' => ['items', 1]];
  55.     }
  56. }