lib/DatatableBundle/src/Controller/EventStreamController.php line 27

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  1. <?php
  3. namespace EchoNumeric\DatatableBundle\src\Controller;
  5. use http\Client\Response;
  6. use Symfony\Component\HttpFoundation\JsonResponse;
  7. use Symfony\Component\HttpFoundation\RequestStack;
  9. class EventStreamController
  10. {
  11. private RequestStack $requestStack;
  14. public function __construct( RequestStack $requestStack )
  15. {
  16. $this->requestStack = $requestStack;
  17. }
  20. /**
  21. * @return JsonResponse
  22. */
  23. public function endExport(): JsonResponse
  24. {
  25. ini_set('memory_limit', '-1');
  26. $session = $this->requestStack->getSession();
  27. $isExporting = $session->get('export_datatable');
  29. if(ob_get_length() > 0) {
  30. ob_clean();
  31. }
  33. header( "Cache-Control: no-cache" );
  34. header( "Content-Type: text/event-stream" );
  36. echo "event: ping\n";
  38. if ( $isExporting ) {
  39. echo 'data: file not sent';
  40. } else {
  41. echo 'data: file sent';
  42. }
  43. echo "\n\n";
  45. ob_end_flush();
  46. flush();
  48. return new JsonResponse([], \Symfony\Component\HttpFoundation\Response::HTTP_OK);
  49. }
  50. }