src/EventSubscriber/DeviceAwareSubscriber.php line 36

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  1. <?php
  2.     /**
  3.      * project: Pimcore - Schutzverband Nuernberg Rostbratwuerste
  4.      * User: erikb
  5.      * Year: 2022
  6.      */
  8.     namespace App\EventSubscriber;
  10.     use App\Controller\DeviceAwareController;
  11.     use Pimcore\Tool\DeviceDetector;
  12.     use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  13.     use Symfony\Component\HttpKernel\Event\ControllerEvent;
  14.     use Symfony\Component\HttpKernel\Event\RequestEvent;
  15.     use Symfony\Component\HttpKernel\KernelEvents;
  16.     use Twig\Environment;
  18.     class DeviceAwareSubscriber implements EventSubscriberInterface {
  20.         protected DeviceDetector $_deviceDetector;
  22.         public function __construct(
  23.             protected Environment $twig
  24.         ) { }
  26.         public function onKernelRequest(RequestEvent $event) {
  27.             // set the variables as soon as possible, so that we're not getting troubles in
  28.             // onKernelController() if the twig environment was already initialized before
  29.             // defining global variables is only possible before the twig environment was initialized
  30.             // however you can change the value of the variable at any time later on
  31.             if ($event->isMainRequest()) {
  32.                 $this->twig->addGlobal( 'device', null);
  33.             }
  34.         }
  36.         public function onKernelController(ControllerEvent $event) {
  37.             $controller = $event->getController();
  38.             $method = null;
  40.             // when a controller class defines multiple action methods, the controller
  41.             // is returned as [$controllerInstance, 'methodName']
  44.             if (is_array($controller)) {
  45.                 $method = $controller[1];
  46.                 $controller = $controller[0];
  47.             }
  49.             if ($controller instanceof DeviceAwareController) {
  50.                 $this->_deviceDetector = DeviceDetector::getInstance();
  51.                 $this->twig->addGlobal( 'device', $this->_deviceDetector->getDevice());
  52.                 $event->getRequest()->attributes->set('_device', $this->_deviceDetector->getDevice());
  53.             }
  54.         }
  56.         public static function getSubscribedEvents() {
  57.             return [
  58.                 KernelEvents::CONTROLLER => 'onKernelController',
  59.                 KernelEvents::REQUEST => ['onKernelRequest', 700]
  60.             ];
  61.         }
  62.     }