vendor/kunstmaan/node-bundle/EventListener/SlugListener.php line 75

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  1. <?php
  3. namespace Kunstmaan\NodeBundle\EventListener;
  5. use Doctrine\ORM\EntityManager;
  6. use Kunstmaan\NodeBundle\Controller\SlugActionInterface;
  7. use Kunstmaan\NodeBundle\Entity\NodeTranslation;
  8. use Kunstmaan\NodeBundle\Event\Events;
  9. use Kunstmaan\NodeBundle\Event\SlugSecurityEvent;
  10. use Symfony\Component\EventDispatcher\EventDispatcherInterface;
  11. use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
  12. use Symfony\Component\HttpKernel\Event\ControllerEvent;
  13. use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
  15. class SlugListener
  16. {
  17.     /**
  18.      * @var EntityManager
  19.      */
  20.     protected $em;
  22.     /**
  23.      * @var ControllerResolverInterface
  24.      */
  25.     protected $resolver;
  27.     /**
  28.      * @var EventDispatcherInterface
  29.      */
  30.     protected $eventDispatcher;
  32.     /**
  33.      * SlugListener constructor.
  34.      *
  35.      * @param EntityManager               $em
  36.      * @param ControllerResolverInterface $resolver
  37.      * @param EventDispatcherInterface    $eventDispatcher
  38.      */
  39.     public function __construct(EntityManager $em, ControllerResolverInterface $resolver, EventDispatcherInterface $eventDispatcher)
  40.     {
  41.         $this->em = $em;
  42.         $this->resolver = $resolver;
  43.         $this->eventDispatcher = $eventDispatcher;
  44.     }
  46.     /**
  47.      * @param FilterControllerEvent|ControllerEvent $event
  48.      *
  49.      * @throws \Exception
  50.      */
  51.     public function onKernelController($event)
  52.     {
  53.         if (!$event instanceof FilterControllerEvent && !$event instanceof ControllerEvent) {
  54.             throw new \InvalidArgumentException(\sprintf('Expected instance of type %s, %s given', \class_exists(ControllerEvent::class) ? ControllerEvent::class : FilterControllerEvent::class, \is_object($event) ? \get_class($event) : \gettype($event)));
  55.         }
  57.         $request = $event->getRequest();
  59.         // Check if the event has a nodeTranslation, if not this method can be skipped
  60.         if (!$request->attributes->has('_nodeTranslation')) {
  61.             return;
  62.         }
  64.         $nodeTranslation = $request->attributes->get('_nodeTranslation');
  65.         if (!($nodeTranslation instanceof NodeTranslation)) {
  66.             throw new \Exception('Invalid _nodeTranslation value found in request attributes');
  67.         }
  68.         $entity = $nodeTranslation->getRef($this->em);
  70.         // If the entity is an instance of the SlugActionInterface, change the controller
  71.         if ($entity instanceof SlugActionInterface) {
  72.             $request->attributes->set('_entity', $entity);
  74.             // Do security check by firing an event that gets handled by the SlugSecurityListener
  75.             $securityEvent = new SlugSecurityEvent();
  76.             $securityEvent
  77.                 ->setNode($nodeTranslation->getNode())
  78.                 ->setEntity($entity)
  79.                 ->setRequest($request)
  80.                 ->setNodeTranslation($nodeTranslation);
  82.             $this->eventDispatcher->dispatch(Events::SLUG_SECURITY, $securityEvent);
  84.             // Set the right controller
  85.             $request->attributes->set('_controller', $entity->getControllerAction());
  86.             $event->setController($this->resolver->getController($request));
  87.         }
  88.     }
  89. }