src/EventSubscriber/OfflineSubscriber.php line 22

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  1. <?php
  3. namespace App\EventSubscriber;
  5. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  6. use Symfony\Component\HttpFoundation\Response;
  7. use Symfony\Component\HttpKernel\Event\RequestEvent;
  8. use Symfony\Component\HttpKernel\KernelEvents;
  9. use Twig\Environment;
  11. final class OfflineSubscriber implements EventSubscriberInterface
  12. {
  13. private $appOnline;
  14. private $twig;
  16. public function __construct(bool $appOnline, Environment $twig)
  17. {
  18. $this->appOnline = $appOnline;
  19. $this->twig = $twig;
  20. }
  22. public function onKernelRequest(RequestEvent $event): void
  23. {
  24. if ($this->appOnline || !$event->isMainRequest()) {
  25. return;
  26. }
  28. $event->setResponse(new Response(
  29. $this->twig->render('error/offline.html.twig'),
  30. Response::HTTP_NOT_FOUND
  31. ));
  32. }
  34. public static function getSubscribedEvents(): array
  35. {
  36. return [
  37. KernelEvents::REQUEST => ['onKernelRequest', 256],
  38. ];
  39. }
  40. }