/**
* Add a dependency into cache.
*
* If object does not have an UUID it will be created, then stored into the
* local database.
*
* This method returns the object UUID, you can use this variable to store
* it for further usage, in save() for example.
*
* @param string $type
* Object type to add as dependency.
* @param int $identifier
* Internal id of object.
*
* @return string
* Object UUID you can then store as data.
*/
public function addDependency($type, $identifier)
{
$uuid = Yamm_EntityFactory::getUuidForType($type, $identifier, TRUE);
$this->__dependencies[$uuid] = $uuid;
return $uuid;
}
/**
* Create a content type revision, before saving new one
*
* This is kind goret (french word), what will be done here:
* * Copy old content type to a new name.
* * As the old content type has a new name, create a UUID for it
* * Change all node with content type name to old content type name (they
* should keep their old fields etc).
* * Alter the old content type with new one coming from network, and TADA
* we have multiple content types, each node keeping it content type.
*/
private function __revisionContent($new_export, $type_name)
{
// Compare both content types.
$data = cache_get('content_entity_' . $type_name, $table = 'yamm_data_store');
$old_hash = $data->data;
$new_hash = md5($new_export);
if ($old_hash != $new_hash) {
// Duplicate content, change its name.
$revision = time();
$new_name = $type_name . '-' . $revision;
db_query("UPDATE {node_type} SET type = '%s', name = CONCAT(name, ' Revision %s') WHERE type = '%s'", array($new_name, $revision, $type_name));
// Generate and save new UUID for old type.
Yamm_EntityFactory::getUuidForType('content', $new_name, TRUE);
// Update all nodes.
db_query("UPDATE {node} SET type = '%s' WHERE type = '%s'", array($new_name, $type_name));
// Save won't rely on cache.
content_clear_type_cache();
$this->_save($new_export);
}
}
/**
* (non-PHPdoc)
* @see Yamm_Sync_Backend_Interface::getEntities()
*/
public function getEntities($limit = YAMM_SYNC_DEFAULT_LIMIT, $offset = 0, $phase = 'default')
{
$ret = array();
if (!($view = self::loadView($phase))) {
throw new Yamm_Sync_ProfileException("View '" . $phase . "' does not exist.");
}
try {
// Prepare view.
$view->set_display(NULL);
$view->pre_execute();
// Emulate incremental behavior using page feature.
$view->set_use_pager(TRUE);
$view->set_items_per_page($limit);
$view->set_offset($offset);
// Get results.
$view->execute();
$count = count($view->result);
watchdog('yamm', 'View @view exports @count objects', array('@view' => $view->name, '@count' => $count), WATCHDOG_DEBUG);
$entity_type = Yamm_Sync_Backend_Views::getViewEntityType($view);
foreach ($view->result as $result) {
// We hope our user is not stupid, and set only one field which is the
// internal object id.
// FIXME: We could use the base field here.
$result = (array) $result;
$identifier = array_shift($result);
try {
$uuid = Yamm_EntityFactory::getUuidForType($entity_type, $identifier, TRUE);
$entity = Yamm_Entity::loadByUuid($uuid);
$ret[] = $entity;
} catch (Yamm_EntityException $e) {
// Just alert the site admin this entity build failed, but continue
// with others.
watchdog('yamm', '@e', array('@e' => $e->getMessage()), WATCHDOG_ERROR);
}
}
} catch (Yamm_Sync_ProfileException $e) {
watchdog('yamm_pull', '@e', array('@e' => $e->getMessage()), WATCHDOG_ERROR);
}
// Keep some memory to survive.
$view->destroy();
unset($view);
return $ret;
}
