PathAliasDeleteByPath.php

<?php

namespace Drupal\rules\Plugin\RulesAction;

use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\rules\Core\RulesActionBase;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a 'Delete alias for a path' action.
 *
 * @todo Add access callback information from Drupal 7.
 *
 * @RulesAction(
 *   id = "rules_path_alias_delete_by_path",
 *   label = @Translation("Delete all aliases for a path"),
 *   category = @Translation("Path"),
 *   provider = "path_alias",
 *   context_definitions = {
 *     "path" = @ContextDefinition("string",
 *       label = @Translation("Existing system path"),
 *       description = @Translation("Specifies the existing path for which you wish to delete the alias. For example, '/node/1'. Use an absolute path and do not add a trailing slash.")
 *     ),
 *   }
 * )
 */
class PathAliasDeleteByPath extends RulesActionBase implements ContainerFactoryPluginInterface {
    
    /**
     * The alias storage service.
     *
     * @var \Drupal\Core\Entity\EntityStorageInterface
     */
    protected $aliasStorage;
    
    /**
     * Constructs a PathAliasDeleteByPath object.
     *
     * @param array $configuration
     *   A configuration array containing information about the plugin instance.
     * @param string $plugin_id
     *   The plugin ID for the plugin instance.
     * @param mixed $plugin_definition
     *   The plugin implementation definition.
     * @param \Drupal\Core\Entity\EntityStorageInterface $alias_storage
     *   The alias storage service.
     */
    public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityStorageInterface $alias_storage) {
        parent::__construct($configuration, $plugin_id, $plugin_definition);
        $this->aliasStorage = $alias_storage;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
        return new static($configuration, $plugin_id, $plugin_definition, $container->get('entity_type.manager')
            ->getStorage('path_alias'));
    }
    
    /**
     * Delete existing aliases for a given path.
     *
     * @param string $path
     *   Existing system path.
     */
    protected function doExecute($path) {
        $aliases = $this->aliasStorage
            ->loadByProperties([
            'path' => $path,
        ]);
        $this->aliasStorage
            ->delete($aliases);
    }

}