src/EventSubscriber/PaginateDirectorySubscriber.php line 11

  1. <?php
  3. namespace App\EventSubscriber;
  5. use Knp\Component\Pager\Event\ItemsEvent;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  7. use Symfony\Component\Finder\Finder;
  9. final class PaginateDirectorySubscriber implements EventSubscriberInterface
  10. {
  11.     public function items(ItemsEvent $event): void
  12.     {
  13.         if (!is_string($event->target) || !is_dir($event->target)) {
  14.             return;
  15.         }
  16.         $finder = new Finder();
  17.         $finder
  18.             ->files()
  19.             ->depth('< 4') // 3 levels
  20.             ->in($event->target)
  21.         ;
  22.         $iterator = $finder->getIterator();
  23.         $files = iterator_to_array($iterator);
  24.         $event->count = count($files);
  25.         $event->items = array_slice($files, $event->getOffset(), $event->getLimit());
  26.         $event->stopPropagation();
  27.     }
  29.     public static function getSubscribedEvents(): array
  30.     {
  31.         return [
  32.             'knp_pager.items' => ['items', 1/* increased priority to override any internal */]
  33.         ];
  34.     }
  35. }