public function confirmAction()
 {
     $request = $this->getRequest();
     $id = $request->getParam('id');
     $user_id = $request->getParam('user_id');
     $friend_user_id = $request->getParam('friend_user_id');
     $friendMapper = new Application_Model_FriendMapper();
     $friend = new Application_Model_Friend();
     $friend->setId($id);
     $friend->setUserId($user_id);
     $friend->setFriendUserId($friend_user_id);
     $friend->setConfirmed(1);
     try {
         $friendMapper->save($friend);
         $this->view->msg = 'Friend successfully confirmed';
     } catch (Exception $e) {
         throw new Exception($e->getMessage(), $e->getFile(), $e->getPrevious());
     }
 }