src/Event/PaginationEventSubscriber.php line 23

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  1. <?php
  3. namespace App\Event;
  5. use Doctrine\ORM\Query;
  6. use Doctrine\ORM\Tools\Pagination\CountWalker;
  7. use Doctrine\ORM\Tools\Pagination\Paginator;
  8. use Knp\Component\Pager\Event\ItemsEvent;
  9. use Knp\Component\Pager\Event\Subscriber\Paginate\Doctrine\ORM\QuerySubscriber;
  10. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  11. use Symfony\Component\HttpFoundation\Request;
  13. class PaginationEventSubscriber extends QuerySubscriber implements EventSubscriberInterface
  14. {
  16.     public static function getSubscribedEvents(): array
  17.     {
  18.         return [
  19.           'knp_pager.items' => ['items', 0]
  20.         ];
  21.     }
  23.     public function items(ItemsEvent $event): void
  24.     {
  25.         if (!$event->target instanceof Query) {
  26.             return;
  27.         }
  28.         $event->stopPropagation();
  30.         $useOutputWalkers = false;
  31.         if (isset($event->options['wrap-queries'])) {
  32.             $useOutputWalkers = $event->options['wrap-queries'];
  33.         }
  35.         $offset = $event->getOffset();
  36.         $request = Request::createFromGlobals();
  37.         if (null !== $optionalOffset = $request->get('paginate_optional_offset')) {
  38.             $offset += $optionalOffset;
  39.         }
  41.         $event->target
  42.             ->setFirstResult($offset)
  43.             ->setMaxResults($event->getLimit())
  44.             ->setHint(CountWalker::HINT_DISTINCT, $event->options['distinct'])
  45.         ;
  47.         $fetchJoinCollection = true;
  48.         if ($event->target->hasHint(self::HINT_FETCH_JOIN_COLLECTION)) {
  49.             $fetchJoinCollection = $event->target->getHint(self::HINT_FETCH_JOIN_COLLECTION);
  50.         } else if (isset($event->options['distinct'])) {
  51.             $fetchJoinCollection = $event->options['distinct'];
  52.         }
  54.         $paginator = new Paginator($event->target, $fetchJoinCollection);
  55.         $paginator->setUseOutputWalkers($useOutputWalkers);
  56.         if (($count = $event->target->getHint(self::HINT_COUNT)) !== false) {
  57.             $event->count = (int) $count;
  58.         } else {
  59.             $event->count = count($paginator);
  60.         }
  61.         $event->items = iterator_to_array($paginator);
  62.     }
  63. }