public function executeInput(sfWebRequest $request)
 {
     $memberId = $this->getUser()->getMemberId();
     if (!count(opCommunityIntroductionPlugin::getNotJoinCommunityFriendMemberIds($this->community->getId(), $memberId))) {
         return sfView::ERROR;
     }
     $this->form = $this->getForm();
 }
 public function executeMenu(sfWebRequest $requests)
 {
     $this->communityId = $requests->getParameter('id');
     $memberId = $this->getUser()->getMemberId();
     $this->countFriends = count(opCommunityIntroductionPlugin::getNotJoinCommunityFriendMemberIds($this->communityId, $memberId));
 }