src/EventListener/MaintenanceListener.php line 29

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  1. <?php
  3. namespace App\EventListener;
  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. class MaintenanceListener implements EventSubscriberInterface
  12. {
  13.     private bool $maintenanceMode;
  14.     private Environment $engin;
  16.     public function __construct(bool $maintenanceMode, Environment $engine)
  17.     {
  18.         $this->maintenanceMode = $maintenanceMode;
  19.         $this->engin = $engine;
  20.     }
  22.     public static function getSubscribedEvents(): array
  23.     {
  24.         return [
  25.             KernelEvents::REQUEST => 'onKernelRequest',
  26.         ];
  27.     }
  29.     public function onKernelRequest(RequestEvent $event)
  30.     {
  31.         //display a specific twig if maintenanceMode == true
  32.         if ($this->maintenanceMode) {
  33.             $html = $this->engin->render('maintenance/maintenance.html.twig');
  34.             $event->setResponse(new Response($html, 503));
  35.         }
  36.         return;
  37.     }
  38. }