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1 | <?php |
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2 | |||
3 | namespace Kunstmaan\NodeBundle\EventListener; |
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4 | |||
5 | use Doctrine\ORM\EntityManager; |
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6 | use Kunstmaan\NodeBundle\Controller\SlugActionInterface; |
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7 | use Kunstmaan\NodeBundle\Entity\NodeTranslation; |
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8 | use Kunstmaan\NodeBundle\Event\Events; |
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9 | use Kunstmaan\NodeBundle\Event\SlugSecurityEvent; |
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10 | use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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11 | use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface; |
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12 | use Symfony\Component\HttpKernel\Event\FilterControllerEvent; |
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13 | |||
14 | class SlugListener |
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15 | { |
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16 | /** |
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17 | * @var EntityManager |
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18 | */ |
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19 | protected $em; |
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20 | |||
21 | /** |
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22 | * @var ControllerResolverInterface |
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23 | */ |
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24 | protected $resolver; |
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25 | |||
26 | /** |
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27 | * @var EventDispatcherInterface |
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28 | */ |
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29 | protected $eventDispatcher; |
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30 | |||
31 | /** |
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32 | * SlugListener constructor. |
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33 | * |
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34 | * @param EntityManager $em |
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35 | * @param ControllerResolverInterface $resolver |
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36 | * @param EventDispatcherInterface $eventDispatcher |
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37 | */ |
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38 | public function __construct(EntityManager $em, ControllerResolverInterface $resolver, EventDispatcherInterface $eventDispatcher) |
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39 | { |
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40 | $this->em = $em; |
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41 | $this->resolver = $resolver; |
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42 | $this->eventDispatcher = $eventDispatcher; |
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43 | } |
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44 | |||
45 | /** |
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46 | * @param FilterControllerEvent $event |
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47 | * |
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48 | * @throws \Exception |
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49 | */ |
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50 | public function onKernelController(FilterControllerEvent $event) |
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51 | { |
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52 | $request = $event->getRequest(); |
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53 | |||
54 | // Check if the event has a nodeTranslation, if not this method can be skipped |
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55 | if (!$request->attributes->has('_nodeTranslation')) { |
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56 | return; |
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57 | } |
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58 | |||
59 | $nodeTranslation = $request->attributes->get('_nodeTranslation'); |
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60 | if (!($nodeTranslation instanceof NodeTranslation)) { |
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61 | throw new \Exception('Invalid _nodeTranslation value found in request attributes'); |
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62 | } |
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63 | $entity = $nodeTranslation->getRef($this->em); |
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64 | |||
65 | // If the entity is an instance of the SlugActionInterface, change the controller |
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66 | if ($entity instanceof SlugActionInterface) { |
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67 | $request->attributes->set('_entity', $entity); |
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68 | |||
69 | // Do security check by firing an event that gets handled by the SlugSecurityListener |
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70 | $securityEvent = new SlugSecurityEvent(); |
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71 | $securityEvent |
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72 | ->setNode($nodeTranslation->getNode()) |
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73 | ->setEntity($entity) |
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74 | ->setRequest($request) |
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75 | ->setNodeTranslation($nodeTranslation); |
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76 | |||
77 | $this->eventDispatcher->dispatch(Events::SLUG_SECURITY, $securityEvent); |
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78 | |||
79 | // Set the right controller |
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80 | $request->attributes->set('_controller', $entity->getControllerAction()); |
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81 | $event->setController($this->resolver->getController($request)); |
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82 | } |
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83 | } |
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84 | } |
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85 |