FieldUpdateActionBase.php

<?php

namespace Drupal\Core\Field;

use Drupal\Core\Action\ActionBase;
use Drupal\Core\Session\AccountInterface;

/**
 * Provides a base for action plugins that update one or more fields.
 *
 * Example implementation:
 *
 * @code
 * class PromoteAndMakeSticky extends FieldUpdateActionBase {
 *
 *   protected function getFieldsToUpdate() {
 *     return [
 *       'status' => NODE_PROMOTED,
 *       'sticky' => NODE_STICKY,
 *     ];
 *   }
 *
 * }
 * @endcode
 *
 * @see \Drupal\Core\Action\Plugin\Action\PublishAction
 */
abstract class FieldUpdateActionBase extends ActionBase {
    
    /**
     * Gets an array of values to be set.
     *
     * @return array
     *   Array of values with field names as keys.
     */
    protected abstract function getFieldsToUpdate();
    
    /**
     * {@inheritdoc}
     */
    public function execute($entity = NULL) {
        foreach ($this->getFieldsToUpdate() as $field => $value) {
            $entity->{$field} = $value;
        }
        $entity->save();
    }
    
    /**
     * {@inheritdoc}
     */
    public function access($object, AccountInterface $account = NULL, $return_as_object = FALSE) {
        
        /** @var \Drupal\Core\Access\AccessResultInterface $result */
        $result = $object->access('update', $account, TRUE);
        foreach ($this->getFieldsToUpdate() as $field => $value) {
            $result->andIf($object->{$field}
                ->access('edit', $account, TRUE));
        }
        return $return_as_object ? $result : $result->isAllowed();
    }

}