Social Engine 4-Get avtar of user

$user_id=Engine_Api::()_->user->getviewer->getIdentity();

$userinfo=Engine_Api::_()->user()->getUser($user_id);

$photo_id=$user_info['photo_id'];


//Fetches table Engine4_storage_files

$filesTable=Engine_APi::_()->getDbtable('files','storage');

$adapter=Engine_Db_Table::getDefaultAdapter();

$filesTableName=$filesTable->info('name');

$query=Engine_Db_Table::getDefaultAdapter()->select("storage_path")->from($statsTableName)->where("field_id=?",$photo_id)->limit(1);

$result=$query->query()->fetch();

$result['storage_path'] //has the path to your photo