public function processRequest()
 {
     $request = $this->getRequest();
     $user = $request->getUser();
     $this->feedOffset = $request->getInt('off');
     $this->questionOffset = $request->getInt('qoff');
     $this->answerOffset = $request->getInt('aoff');
     $side_nav = new AphrontSideNavView();
     foreach (self::$pages as $pagename => $pagetitle) {
         $class = "";
         if ($pagename == $this->page) {
             $class = 'aphront-side-nav-selected';
         }
         $linky = phutil_render_tag('a', array('href' => '/ponder/' . $pagename . '/', 'class' => $class), phutil_escape_html($pagetitle));
         $side_nav->addNavItem($linky);
     }
     switch ($this->page) {
         case self::PAGE_FEED:
             $data = PonderQuestionQuery::loadHottest($user, $this->feedOffset, self::FEED_PAGE_SIZE + 1);
             $phids = array();
             foreach ($data as $question) {
                 $phids[] = $question->getAuthorPHID();
             }
             $handles = id(new PhabricatorObjectHandleData($phids))->loadHandles();
             $side_nav->appendChild(id(new PonderQuestionFeedView())->setUser($user)->setData($data)->setHandles($handles)->setOffset($this->feedOffset)->setPageSize(self::FEED_PAGE_SIZE)->setURI(new PhutilURI("/ponder/feed/"), "off"));
             break;
         case self::PAGE_PROFILE:
             $questions = PonderQuestionQuery::loadByAuthor($user, $user->getPHID(), $this->questionOffset, self::PROFILE_QUESTION_PAGE_SIZE + 1);
             $answers = PonderAnswerQuery::loadByAuthorWithQuestions($user, $user->getPHID(), $this->answerOffset, self::PROFILE_ANSWER_PAGE_SIZE + 1);
             $phids = array($user->getPHID());
             $handles = id(new PhabricatorObjectHandleData($phids))->loadHandles();
             $side_nav->appendChild(id(new PonderUserProfileView())->setUser($user)->setQuestions($questions)->setAnswers($answers)->setHandles($handles)->setQuestionOffset($this->questionOffset)->setAnswerOffset($this->answerOffset)->setPageSize(self::PROFILE_QUESTION_PAGE_SIZE)->setURI(new PhutilURI("/ponder/profile/"), "qoff", "aoff"));
             break;
     }
     return $this->buildStandardPageResponse($side_nav, array('title' => self::$pages[$this->page]));
 }