public static function Poll::postDelete in Poll 8

Acts on deleted entities before the delete hook is invoked.

Used after the entities are deleted but before invoking the delete hook.

Parameters

\Drupal\Core\Entity\EntityStorageInterface $storage: The entity storage object.

\Drupal\Core\Entity\EntityInterface[] $entities: An array of entities.

Overrides EntityBase::postDelete

File

src/Entity/Poll.php, line 452

Class

Poll

Defines the poll entity class.

Namespace

Drupal\poll\Entity

Code

public static function postDelete(EntityStorageInterface $storage, array $entities) {
  parent::postDelete($storage, $entities);

  // Delete votes.
  foreach ($entities as $entity) {
    $storage
      ->deleteVotes($entity);
  }

  // Delete referenced choices.
  $choices = [];
  foreach ($entities as $entity) {
    $choices = array_merge($choices, $entity->choice
      ->referencedEntities());
  }
  if ($choices) {
    \Drupal::entityTypeManager()
      ->getStorage('poll_choice')
      ->delete($choices);
  }
}