function entity_reference_revisions_entity_delete in Entity Reference Revisions 8

Implements hook_entity_delete().

Performs garbage collection for composite entities that were not removed by EntityReferenceRevisionsItem.

File

./entity_reference_revisions.module, line 310

Provides a field that can reference other entities.

Code

function entity_reference_revisions_entity_delete(EntityInterface $entity) {
  if (!$entity instanceof FieldableEntityInterface) {
    return;
  }
  $entity_type_manager = \Drupal::entityTypeManager();

  /** @var \Drupal\Core\Field\FieldTypePluginManager $field_type_manager */
  $field_type_manager = \Drupal::service('plugin.manager.field.field_type');
  foreach ($entity
    ->getFieldDefinitions() as $field_name => $field_definition) {
    $field_class = $field_type_manager
      ->getPluginClass($field_definition
      ->getType());
    if ($field_class == EntityReferenceRevisionsItem::class || is_subclass_of($field_class, EntityReferenceRevisionsItem::class)) {
      $target_entity_type_id = $field_definition
        ->getSetting('target_type');
      $target_entity_storage = $entity_type_manager
        ->getStorage($target_entity_type_id);
      $target_entity_type = $target_entity_storage
        ->getEntityType();
      $parent_type_field = $target_entity_type
        ->get('entity_revision_parent_type_field');
      $parent_id_field = $target_entity_type
        ->get('entity_revision_parent_id_field');
      $parent_name_field = $target_entity_type
        ->get('entity_revision_parent_field_name_field');
      if ($parent_type_field && $parent_id_field && $parent_name_field) {
        $entity_ids = $target_entity_storage
          ->getQuery()
          ->allRevisions()
          ->condition($parent_type_field, $entity
          ->getEntityTypeId())
          ->condition($parent_id_field, $entity
          ->id())
          ->condition($parent_name_field, $field_name)
          ->execute();
        if (empty($entity_ids)) {
          continue;
        }
        $entity_ids = array_unique($entity_ids);
        foreach ($entity_ids as $revision_id => $entity_id) {
          \Drupal::queue('entity_reference_revisions_orphan_purger')
            ->createItem([
            'entity_id' => $entity_id,
            'entity_type_id' => $target_entity_type_id,
          ]);
        }
      }
    }
  }
}