PHP GROUPS_BOL_Service::isCurrentUserCanView示例

 public function join($params)
 {
     if (empty($params['groupId'])) {
         throw new Redirect404Exception();
     }
     if (!OW::getUser()->isAuthenticated()) {
         throw new AuthenticateException();
     }
     $groupId = (int) $params['groupId'];
     $userId = OW::getUser()->getId();
     $groupDto = $this->service->findGroupById($groupId);
     if ($groupDto === null) {
         throw new Redirect404Exception();
     }
     if (!$this->service->isCurrentUserCanView($groupDto->userId)) {
         throw new Redirect403Exception();
     }
     $invite = $this->service->findInvite($groupDto->id, $userId);
     if ($invite !== null) {
         $this->service->markInviteAsViewed($groupDto->id, $userId);
     } else {
         if ($groupDto->whoCanView == GROUPS_BOL_Service::WCV_INVITE) {
             $this->redirect(OW::getRouter()->urlForRoute('groups-private-group', array('groupId' => $groupDto->id)));
         }
     }
     GROUPS_BOL_Service::getInstance()->addUser($groupId, $userId);
     $redirectUrl = OW::getRouter()->urlForRoute('groups-view', array('groupId' => $groupId));
     OW::getFeedback()->info(OW::getLanguage()->text('groups', 'join_complete_message'));
     $this->redirect($redirectUrl);
 }