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<?php |
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namespace Victoire\Bundle\ViewReferenceBundle\EventSubscriber; |
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use Doctrine\ORM\Event\LifecycleEventArgs; |
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use Doctrine\ORM\Events; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Victoire\Bundle\CoreBundle\Entity\WebViewInterface; |
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use Victoire\Bundle\I18nBundle\Entity\ViewTranslation; |
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use Victoire\Bundle\ViewReferenceBundle\Event\ViewReferenceEvent; |
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use Victoire\Bundle\ViewReferenceBundle\ViewReferenceEvents; |
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/** |
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* Tracks if a slug changed and re-compute the view cache |
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* ref: victoire_view_reference.event_subscriber. |
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*/ |
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class ViewReferenceSubscriber implements \Doctrine\Common\EventSubscriber |
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{ |
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protected $businessPageBuilder; |
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protected $viewReferenceProvider; |
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protected $viewReferenceHelper; |
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protected $dispatcher; |
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/** |
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* ViewReferenceSubscriber constructor. |
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* |
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* @param EventDispatcherInterface $dispatcher |
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*/ |
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public function __construct(EventDispatcherInterface $dispatcher) |
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{ |
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$this->dispatcher = $dispatcher; |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getSubscribedEvents() |
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{ |
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return [ |
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Events::postUpdate, |
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Events::postPersist, |
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Events::preRemove, |
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]; |
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} |
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/** |
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* @param LifecycleEventArgs $eventArgs |
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*/ |
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public function postUpdate(LifecycleEventArgs $eventArgs) |
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{ |
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$this->updateViewReference($eventArgs); |
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} |
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/** |
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* @param LifecycleEventArgs $eventArgs |
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*/ |
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public function postPersist(LifecycleEventArgs $eventArgs) |
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{ |
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$this->updateViewReference($eventArgs); |
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} |
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/** |
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* @param LifecycleEventArgs $eventArgs |
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*/ |
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public function preRemove(LifecycleEventArgs $eventArgs) |
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{ |
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$entity = $eventArgs->getEntity(); |
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// if a page is remove we remove his viewRef |
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if ($entity instanceof WebViewInterface) { |
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$event = new ViewReferenceEvent($entity); |
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$this->dispatcher->dispatch(ViewReferenceEvents::REMOVE_VIEW_REFERENCE, $event); |
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} |
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} |
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/** |
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* This method dispatch the event that the view must be build/rebuild. |
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* |
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* @param LifecycleEventArgs $eventArgs |
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*/ |
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private function updateViewReference(LifecycleEventArgs $eventArgs) |
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{ |
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$entity = $eventArgs->getEntity(); |
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$view = null; |
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$translations = []; |
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if ($entity instanceof WebViewInterface) { |
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$translations = $entity->getTranslations(); |
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$view = $entity; |
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} elseif ($entity instanceof ViewTranslation && $entity->getTranslatable() instanceof WebViewInterface) { |
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$translations = [$entity]; |
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$view = $entity->getTranslatable(); |
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} |
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// if a page is persisted we rebuild his viewRef |
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foreach ($translations as $translation) { |
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$view->setCurrentLocale($translation->getLocale()); |
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$event = new ViewReferenceEvent($view); |
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$this->dispatcher->dispatch(ViewReferenceEvents::UPDATE_VIEW_REFERENCE, $event); |
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} |
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} |
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} |
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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: