function ChangedItem::preSave

Overrides FieldItemBase::preSave

File

core/lib/Drupal/Core/Field/Plugin/Field/FieldType/ChangedItem.php, line 28

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 = REQUEST_TIME;
    }
    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();
        
        /** @var \Drupal\Core\Entity\ContentEntityInterface $original */
        $original = $entity->original;
        $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 = REQUEST_TIME;
            }
        }
    }
}