| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Victoire\Bundle\ViewReferenceBundle\EventSubscriber; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Doctrine\ORM\Event\LifecycleEventArgs; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Doctrine\ORM\Events; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Symfony\Component\EventDispatcher\EventDispatcherInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Victoire\Bundle\CoreBundle\Entity\WebViewInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Victoire\Bundle\I18nBundle\Entity\ViewTranslation; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Victoire\Bundle\ViewReferenceBundle\Event\ViewReferenceEvent; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use Victoire\Bundle\ViewReferenceBundle\ViewReferenceEvents; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * Tracks if a slug changed and re-compute the view cache | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * ref: victoire_view_reference.event_subscriber. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | class ViewReferenceSubscriber implements \Doctrine\Common\EventSubscriber | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     protected $businessPageBuilder; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     protected $viewReferenceProvider; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     protected $viewReferenceHelper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     protected $dispatcher; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * ViewReferenceSubscriber constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * @param EventDispatcherInterface $dispatcher | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     public function __construct(EventDispatcherInterface $dispatcher) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |         $this->dispatcher = $dispatcher; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * @return string[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     public function getSubscribedEvents() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |             Events::postUpdate, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |             Events::postPersist, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |             Events::preRemove, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * @param LifecycleEventArgs $eventArgs | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 48 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  |     public function postUpdate(LifecycleEventArgs $eventArgs) | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  |         $this->updateViewReference($eventArgs); | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      * @param LifecycleEventArgs $eventArgs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     public function postPersist(LifecycleEventArgs $eventArgs) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |         $this->updateViewReference($eventArgs); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * @param LifecycleEventArgs $eventArgs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     public function preRemove(LifecycleEventArgs $eventArgs) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         $entity = $eventArgs->getEntity(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         // if a page is remove we remove his viewRef | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         if ($entity instanceof WebViewInterface) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |             $event = new ViewReferenceEvent($entity); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             $this->dispatcher->dispatch(ViewReferenceEvents::REMOVE_VIEW_REFERENCE, $event); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * This method dispatch the event that the view must be build/rebuild. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * @param LifecycleEventArgs $eventArgs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     private function updateViewReference(LifecycleEventArgs $eventArgs) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         $entity = $eventArgs->getEntity(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         $view = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         $translations = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |         if ($entity instanceof WebViewInterface) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |             $translations = $entity->getTranslations(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |             $view = $entity; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |         } elseif ($entity instanceof ViewTranslation && $entity->getTranslatable() instanceof WebViewInterface) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |             $translations = [$entity]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |             $view = $entity->getTranslatable(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |         // if a page is persisted we rebuild his viewRef | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |         foreach ($translations as $translation) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |             $view->setCurrentLocale($translation->getLocale()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |             $event = new ViewReferenceEvent($view); | 
                            
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                | 97 |  |  |             $this->dispatcher->dispatch(ViewReferenceEvents::UPDATE_VIEW_REFERENCE, $event); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 100 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 101 |  |  |  | 
            
                        
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: