src/EventListener/AppMessageExceptionSubscriber.php line 40

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  1. <?php
  4. namespace App\EventListener;
  7. use App\Exception\AppExceptionInterface;
  8. use App\Exception\SimpleMessageException;
  9. use Psr\Container\ContainerInterface;
  10. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  11. use Symfony\Component\HttpFoundation\RedirectResponse;
  12. use Symfony\Component\HttpKernel\Event\ExceptionEvent;
  13. use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
  14. use Symfony\Component\HttpKernel\KernelEvents;
  15. use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
  17. class AppMessageExceptionSubscriber implements EventSubscriberInterface
  18. {
  19.     /**
  20.      * @var ContainerInterface
  21.      */
  22.     private $container;
  23.     /**
  24.      * @var UrlGeneratorInterface
  25.      */
  26.     private $urlGenerator;
  27.     
  28.     public function __construct(ContainerInterface $container)
  29.     {
  30.         $this->container = $container;
  31.     }
  32.     
  33.     public static function getSubscribedEvents()
  34.     {
  35.         return array(
  36.             KernelEvents::EXCEPTION => 'onKernelException'
  37.         );
  38.     }
  39.     
  40.     public function onKernelException(ExceptionEvent $event)
  41.     {
  42.         $url = $event->getRequest()->headers->get('referer');
  43.         $e = $event->getThrowable();
  44.         if (!$e instanceof AppExceptionInterface &&
  45.               !$e instanceof AccessDeniedHttpException ) {
  46.             return;
  47.         }
  48.         
  49.         $this->container->get('session')->getFlashBag()->add('error', $e->getMessage());
  50.         if($url === null){
  51.             $url = $this->container->get('router')->generate('app_homepage');
  52.         }
  54.         $event->setResponse(new RedirectResponse($url));
  55.         
  56.         return $event;
  57.     }
  58.     
  59. }