public function processRequest()
 {
     $request = $this->getRequest();
     $user = $request->getUser();
     $this->answerOffset = $request->getInt('aoff');
     $pages = array('feed' => 'All Questions', 'questions' => 'Your Questions', 'answers' => 'Your Answers');
     $side_nav = $this->buildSideNavView();
     $this->page = $side_nav->selectFilter($this->page, 'feed');
     $title = $pages[$this->page];
     switch ($this->page) {
         case 'feed':
         case 'questions':
             $pager = new AphrontPagerView();
             $pager->setOffset($request->getStr('offset'));
             $pager->setURI($request->getRequestURI(), 'offset');
             $query = new PonderQuestionQuery();
             if ($this->page == 'feed') {
                 $query->setOrder(PonderQuestionQuery::ORDER_HOTTEST);
             } else {
                 $query->setOrder(PonderQuestionQuery::ORDER_CREATED)->withAuthorPHIDs(array($user->getPHID()));
             }
             $questions = $query->executeWithOffsetPager($pager);
             $this->loadHandles(mpull($questions, 'getAuthorPHID'));
             $view = $this->buildQuestionListView($questions);
             $view->setPager($pager);
             $side_nav->appendChild(id(new PhabricatorHeaderView())->setHeader($title));
             $side_nav->appendChild($view);
             break;
         case 'answers':
             $answers = PonderAnswerQuery::loadByAuthorWithQuestions($user, $user->getPHID(), $this->answerOffset, self::PROFILE_ANSWER_PAGE_SIZE + 1);
             $side_nav->appendChild(id(new PonderUserProfileView())->setUser($user)->setAnswers($answers)->setAnswerOffset($this->answerOffset)->setPageSize(self::PROFILE_ANSWER_PAGE_SIZE)->setURI(new PhutilURI("/ponder/profile/"), "aoff"));
             break;
     }
     return $this->buildApplicationPage($side_nav, array('device' => true, 'title' => $title));
 }