src/EventSubscriber/RefererEventSubscriber.php line 24

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  1. <?php
  3. namespace App\EventSubscriber;
  5. use App\Traits\UrlTrait;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  7. use Symfony\Component\HttpFoundation\RequestStack;
  8. use Symfony\Component\HttpKernel\Event\ControllerEvent;
  9. use Twig\Environment;
  11. class RefererEventSubscriber implements EventSubscriberInterface
  12. {
  13.     use UrlTrait;
  15.     private Environment $twig;
  16.     private RequestStack $requestStack;
  18.     public function __construct(Environment $twig, RequestStack $requestStack)
  19.     {
  20.         $this->twig = $twig;
  21.         $this->requestStack = $requestStack;
  22.     }
  24.     public function onControllerEvent(ControllerEvent $event)
  25.     {
  26.         $headers = $event->getRequest()->headers;
  27.         $referer = $headers->get('referer');
  28.         $euroUrl = $_ENV['EUROCAMIONES_URL'] ?? null;
  30.         $hostReferer = $this->getHostUrl($referer);
  31.         $hostEuroUrl = $this->getHostUrl($euroUrl);
  33.         $refererFromEuro = $hostReferer == $hostEuroUrl;
  35.         $session = $this->requestStack->getSession();
  36.         if (!$session->get('referer_euro')) {
  37.             $session->set('referer_euro', $refererFromEuro);
  38.         }
  40.         $this->twig->addGlobal('referer_euro', $refererFromEuro);
  41.     }
  43.     public static function getSubscribedEvents(): array
  44.     {
  45.         return [
  46.             ControllerEvent::class => 'onControllerEvent',
  47.         ];
  48.     }
  49. }