src/EventListener/AddPaginationHeaders.php line 13

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  1. <?php
  4. namespace App\EventListener;
  7. use ApiPlatform\Core\Bridge\Doctrine\Orm\Paginator;
  8. use Symfony\Component\HttpKernel\Event\ResponseEvent;
  10. final class AddPaginationHeaders
  11. {
  13.     public function addHeaders(ResponseEvent $event): void
  14.     {
  15.         $request = $event->getRequest();
  17.         if (($data = $request->attributes->get('data')) && $data instanceof Paginator && in_array('application/json', $request->getAcceptableContentTypes())) {
  18.             $response = $event->getResponse();
  19.             if( $data->getTotalItems() > 0 ) {
  20.                 $headers = [
  21.                     'x-current-page' => intval($data->getCurrentPage()),
  22.                     'x-total-items' => intval($data->getTotalItems()),
  23.                     'x-items-per-page' => intval($data->getItemsPerPage()),
  24.                     'x-last-page' => intval($data->getLastPage()),
  25.                     'x-items' => $data->count(),
  26.                 ];
  27.                 if ( $data->getCurrentPage() < $data->getLastPage() ) {
  28.                     $headers['x-next-page'] = intval($data->getCurrentPage() + 1);
  29.                 }
  30.             } else {
  31.                 $headers = [
  32.                     'x-total-items' => 0,
  33.                     'x-items' => 0,
  34.                 ];
  35.             }
  36.             $response->headers->add($headers);
  37.         }
  38.     }
  39. }