public function isFavorite($user, $object)
{
$favTbl = new Book_Model_DbTable_Favorites();
$select = $favTbl->select()->where('user_id = ?', $user->getIdentity());
$select->where('parent_object_id = ?', $object->getIdentity());
$select->where('parent_object_type = ?', $object->getType());
return $favTbl->fetchRow($select);
}
