src/EventListener/PaginationSubscriber.php line 20

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  1. <?php
  3. namespace App\EventListener;
  5. use ApiPlatform\State\Pagination\PaginatorInterface;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  7. use Symfony\Component\HttpFoundation\Request;
  8. use Symfony\Component\HttpKernel\Event\ResponseEvent;
  9. use Symfony\Component\HttpKernel\KernelEvents;
  11. class PaginationSubscriber implements EventSubscriberInterface
  12. {
  13.     public static function getSubscribedEvents()
  14.     {
  15.         return [
  16.             KernelEvents::RESPONSE => ['addPaginationHeaders'],
  17.         ];
  18.     }
  20.     public function addPaginationHeaders(ResponseEvent $event): void
  21.     {
  22.         $method = $event->getRequest()->getMethod();
  24.         if ($method !== Request::METHOD_GET) {
  25.             return;
  26.         }
  28.         if (($data = $event->getRequest()->attributes->get('data')) && $data instanceof PaginatorInterface) {
  29.             $headers = [
  30.                 'x-pagination-current' => $data->getCurrentPage(),
  31.                 'x-pagination-page-size' => $data->getItemsPerPage(),
  32.                 'x-pagination-total' => $data->getTotalItems(),
  33.             ];
  34.             $responseHeaders = $event->getResponse()->headers;
  35.             foreach ($headers as $header => $value) {
  36.                 $responseHeaders->set($header, $value);
  37.             }
  38.         }
  39.     }
  40. }