function registration_entity_delete in Entity Registration 8

Same name and namespace in other branches

1. 8.2 registration.module \registration_entity_delete()
2. 7.2 registration.module \registration_entity_delete()
3. 7 registration.module \registration_entity_delete()

Implements hook_entity_delete().

File

./registration.module, line 859

Code

function registration_entity_delete($entity, $entity_type) {

  // Delete registrations and settings for this host entity .
  list($entity_id) = entity_extract_ids($entity_type, $entity);
  db_delete('registration')
    ->condition('entity_id', $entity_id)
    ->condition('entity_type', $entity_type)
    ->execute();
  db_delete('registration_entity')
    ->condition('entity_id', $entity_id)
    ->condition('entity_type', $entity_type)
    ->execute();

  // Remove references to a registration_type on host entities
  if ($entity_type == 'registration_type') {
    $registration_fields = field_read_fields(array(
      'type' => 'registration',
    ));
    if (!empty($registration_fields)) {
      foreach (array_keys($registration_fields) as $field_name) {
        $query = new EntityFieldQuery();
        $result = $query
          ->fieldCondition($field_name, 'registration_type', $entity->name)
          ->execute();
        foreach ($result as $host_entity_type => $entities) {
          $entities = \Drupal::entityManager()
            ->getStorage($host_entity_type);
          foreach ($entities as $entity_id => $host_entity) {
            $host_entity->{$field_name}[\Drupal\Core\Language\Language::LANGCODE_NOT_SPECIFIED][0] = NULL;
            $host_entity
              ->save();
          }
        }
      }
    }
  }
}