function editor_entity_update in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/editor/editor.module \editor_entity_update()
2. 10 core/modules/editor/editor.module \editor_entity_update()

Implements hook_entity_update().

File

core/modules/editor/editor.module, line 380

Adds bindings for client-side "text editors" to text formats.

Code

function editor_entity_update(EntityInterface $entity) {

  // Only act on content entities.
  if (!$entity instanceof FieldableEntityInterface) {
    return;
  }

  // On new revisions, all files are considered to be a new usage and no
  // deletion of previous file usages are necessary.
  if (!empty($entity->original) && $entity
    ->getRevisionId() != $entity->original
    ->getRevisionId()) {
    $referenced_files_by_field = _editor_get_file_uuids_by_field($entity);
    foreach ($referenced_files_by_field as $field => $uuids) {
      _editor_record_file_usage($uuids, $entity);
    }
  }
  else {
    $original_uuids_by_field = _editor_get_file_uuids_by_field($entity->original);
    $uuids_by_field = _editor_get_file_uuids_by_field($entity);

    // Detect file usages that should be incremented.
    foreach ($uuids_by_field as $field => $uuids) {
      $added_files = array_diff($uuids_by_field[$field], $original_uuids_by_field[$field]);
      _editor_record_file_usage($added_files, $entity);
    }

    // Detect file usages that should be decremented.
    foreach ($original_uuids_by_field as $field => $uuids) {
      $removed_files = array_diff($original_uuids_by_field[$field], $uuids_by_field[$field]);
      _editor_delete_file_usage($removed_files, $entity, 1);
    }
  }
}