Club Drupal

<?php

/**

 * @file

 * UUID path module functions.

 */

/**

 * Implements hook_entity_uuid_load().

 */

function uuid_path_entity_uuid_load(&$entities, $entity_type) {

  _uuid_path_load_url_aliases($entities, $entity_type);

}

/**

 * Implements hook_entity_uuid_save().

 */

function uuid_path_entity_uuid_save(&$entity, $entity_type) {

  _uuid_path_save_url_aliases($entity, $entity_type);

}

/**

 * Loads url aliases in the corresponding entity.

 */

function _uuid_path_load_url_aliases(&$entities, $entity_type) {

  $info = entity_get_info($entity_type);

  // We only care about entities with URLs.

  if (!isset($info['uri callback'])) {

    return;

  }

  $callback = $info['uri callback'];

  foreach ($entities as $id => $entity) {

    $path = $callback($entity);

    $aliases = _uuid_path_url_alias_load($path['path']);

    // Ignore local IDs.

    foreach ($aliases as &$alias) {

      unset($alias->pid);

      unset($alias->source);

    }

    $entities[$id]->url_alias = $aliases;

  }

}

/**

 * Saves the received url aliases.

 */

function _uuid_path_save_url_aliases(&$entity, $entity_type) {

  $info = entity_get_info($entity_type);

  // We only care when there is a url callback.

  if (!isset($info['uri callback'])) {

    return FALSE;

  }

  $callback = $info['uri callback'];

  $uri = $callback($entity);

  $path = $uri['path'];

  // Delete existing aliases.

  path_delete(array('source' => $path));

  // Continue if aliases are present.

  if (empty($entity->url_alias)) {

    return FALSE;

  }

  foreach ($entity->url_alias as $alias) {

    $entry = (array) $alias;

    $entry['source'] = $path;

    path_save($entry);

  }

}

/**

 * Loads all aliases associated with a path.

 *

 * @param string $path

 *   The source path to look up.

 *

 * @return array

 *   Array of paths or NULL if none found.

 */

function _uuid_path_url_alias_load($path) {

  return db_select('url_alias')

    ->condition('source', $path)

    ->fields('url_alias')

    ->execute()

    ->fetchAll(PDO::FETCH_OBJ);

}