/**
* Counts stars made by a given user.
*
* @param int $user_id
* @return int
*/
public static function countUserStars($user_id = null)
{
if (!$user_id) {
$user_id = sfPropelActAsStarredBehaviorToolkit::getUserId();
}
if (!$user_id) {
throw new sfException('Cannot retrieve current user.');
}
$c = new Criteria();
$c->add(StarPeer::USER_ID, $user_id);
return StarPeer::doCount($c);
}
/**
* Clear a star for a given object
*
* @param BaseObject $object
**/
public function clearStar(BaseObject $object)
{
$user_id = sfPropelActAsStarredBehaviorToolkit::getUserId();
if (!$user_id) {
throw new sfException('Cannot retrieve curent user.');
}
$c = new Criteria();
$c->add(StarPeer::STARRED_ID, $object->getPrimaryKey());
$c->add(StarPeer::STARRED_MODEL, get_class($object));
$c->add(StarPeer::USER_ID, $user_id);
StarPeer::doDelete($c);
}
/**
* Star a propel object.
*
*/
public function executeStarit()
{
$this->model = $this->getRequestParameter('model');
$this->id = $this->getRequestParameter('id');
$object = sfPropelActAsStarredBehaviorToolkit::retrieveStarredObject($this->model, $this->id);
if (!$object->isStarred()) {
$object->setStar();
} else {
$object->clearStar();
}
if (!$this->getRequest()->isXmlHttpRequest()) {
$referer = $this->getRequest()->getReferer();
$this->redirect($referer);
}
$this->object = $object;
}
/**
* Retrieve a starred object
*
* @param string $object_model
* @param int $object_id
* @return object
*/
public static function retrieveStarredObject($object_model, $object_id)
{
try {
$peer = sprintf('%sPeer', $object_model);
if (!class_exists($peer)) {
throw new Exception(sprintf('Unable to load class %s', $peer));
}
$object = call_user_func(array($peer, 'retrieveByPk'), $object_id);
if (is_null($object)) {
throw new Exception(sprintf('Unable to retrieve %s with primary key %s', $object_model, $object_id));
}
if (!sfPropelActAsStarredBehaviorToolkit::isStarred($object)) {
throw new Exception(sprintf('Class %s does not have the starred behavior', $object_model));
}
return $object;
} catch (Exception $e) {
return sfContext::getInstance()->getLogger()->log($e->getMessage());
}
}
