vendor/knplabs/knp-components/src/Knp/Component/Pager/Event/Subscriber/Paginate/Doctrine/ORM/QuerySubscriber.php line 16

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  1. <?php
  3. namespace Knp\Component\Pager\Event\Subscriber\Paginate\Doctrine\ORM;
  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 Symfony\Component\EventDispatcher\EventSubscriberInterface;
  11. class QuerySubscriber implements EventSubscriberInterface
  12. {
  13.     public const HINT_COUNT = 'knp_paginator.count';
  14.     public const HINT_FETCH_JOIN_COLLECTION = 'knp_paginator.fetch_join_collection';
  16.     public function items(ItemsEvent $event): void
  17.     {
  18.         if (!$event->target instanceof Query) {
  19.             return;
  20.         }
  21.         $event->stopPropagation();
  23.         $useOutputWalkers = false;
  24.         if (isset($event->options['wrap-queries'])) {
  25.             $useOutputWalkers = $event->options['wrap-queries'];
  26.         }
  28.         $event->target
  29.             ->setFirstResult($event->getOffset())
  30.             ->setMaxResults($event->getLimit())
  31.             ->setHint(CountWalker::HINT_DISTINCT, $event->options['distinct'])
  32.         ;
  34.         $fetchJoinCollection = true;
  35.         if ($event->target->hasHint(self::HINT_FETCH_JOIN_COLLECTION)) {
  36.             $fetchJoinCollection = $event->target->getHint(self::HINT_FETCH_JOIN_COLLECTION);
  37.         } else if (isset($event->options['distinct'])) {
  38.             $fetchJoinCollection = $event->options['distinct'];
  39.         }
  41.         $paginator = new Paginator($event->target, $fetchJoinCollection);
  42.         $paginator->setUseOutputWalkers($useOutputWalkers);
  43.         if (($count = $event->target->getHint(self::HINT_COUNT)) !== false) {
  44.             $event->count = (int) $count;
  45.         } else {
  46.             $event->count = count($paginator);
  47.         }
  48.         $event->items = iterator_to_array($paginator);
  49.     }
  51.     public static function getSubscribedEvents(): array
  52.     {
  53.         return [
  54.             'knp_pager.items' => ['items', 0],
  55.         ];
  56.     }
  57. }