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. }