public function EntityPathAliasCollector::onCalculateDependencies in Dependency Calculation 8

File

src/EventSubscriber/DependencyCollector/EntityPathAliasCollector.php, line 19

Class

EntityPathAliasCollector

Namespace

Drupal\depcalc\EventSubscriber\DependencyCollector

Code

public function onCalculateDependencies(CalculateEntityDependenciesEvent $event) {

  // @todo remove version condition once 8.7 is no longer supported.
  if ($event
    ->getEntity()
    ->getEntityTypeId() !== 'path_alias' && version_compare(\Drupal::VERSION, '8.8.0', '>=') && \Drupal::moduleHandler()
    ->moduleExists('path_alias')) {
    $entity = $event
      ->getEntity();
    try {
      $uri = "/{$entity->toUrl()->getInternalPath()}";

      /** @var \Drupal\path_alias\PathAliasStorage $storage */
      $storage = \Drupal::entityTypeManager()
        ->getStorage('path_alias');
      $paths = $storage
        ->loadByProperties([
        'path' => $uri,
      ]);
      if ($paths) {
        foreach ($paths as $path) {
          $path_wrapper = new DependentEntityWrapper($path);
          $path_wrapper
            ->addDependency($event
            ->getWrapper(), $event
            ->getStack());
          $local_dependencies = [];
          $this
            ->mergeDependencies($path_wrapper, $event
            ->getStack(), $this
            ->getCalculator()
            ->calculateDependencies($path_wrapper, $event
            ->getStack(), $local_dependencies));
          $event
            ->addDependency($path_wrapper);
        }
      }
    } catch (EntityMalformedException|UndefinedLinkTemplateException $e) {
      return;
    }
  }
}