function ChangedItem::preSave

Overrides FieldItemBase::preSave

File

core/lib/Drupal/Core/Field/Plugin/Field/FieldType/ChangedItem.php, line 32

Class

ChangedItem

Defines the 'changed' entity field type.

Namespace

Code

public function preSave() {
  parent::preSave();
  // Set the timestamp to request time if it is not set.
  if (!$this->value) {
    $this->value = \Drupal::time()->getRequestTime();
  }
  else {
    // On an existing entity translation, the changed timestamp will only be
    // set to the request time automatically if at least one other field value
    // of the entity has changed. This detection does not run on new entities
    // and will be turned off if the changed timestamp is set manually before
    // save, for example during migrations or by using
    // \Drupal\content_translation\ContentTranslationMetadataWrapperInterface::setChangedTime().
    /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
    $entity = $this->getEntity();
    if (!$entity instanceof SynchronizableInterface || !$entity->isSyncing()) {
      $original = $entity->getOriginal();
      $langcode = $entity->language()
        ->getId();
      if (!$entity->isNew() && $original && $original->hasTranslation($langcode)) {
        $original_value = $original->getTranslation($langcode)
          ->get($this->getFieldDefinition()
          ->getName())->value;
        if ($this->value == $original_value && $entity->hasTranslationChanges()) {
          $this->value = \Drupal::time()->getRequestTime();
        }
      }
    }
  }
}