public function executeIndex()
 {
     global $wgContLang;
     wfProfileIn(__METHOD__);
     $userProfileService = new AchUserProfileService();
     if (!$userProfileService->isVisible()) {
         $this->skipRendering();
         wfProfileOut(__METHOD__);
         return;
     }
     // add CSS and JS for this module
     $this->response->addAsset('achievements_css');
     $this->response->addAsset('achievements_js');
     $rankingService = new AchRankingService();
     // get achievement lists
     $this->ownerName = $userProfileService->getOwnerUser()->getName();
     $this->ownerBadgesCount = $userProfileService->getBadgesCount();
     $this->ownerBadges = $userProfileService->getBadgesAnnotated(0);
     $this->ownerCounters = $userProfileService->getCounters();
     $this->ownerRank = $rankingService->getUserRankingPosition($userProfileService->getOwnerUser());
     $this->ownerScore = $wgContLang->formatNum($rankingService->getUserScore($userProfileService->getOwnerUser()->getId()));
     // if user is viewing their own page
     if ($userProfileService->getViewerUser() && !$userProfileService->getViewerUser()->isAnon() && $userProfileService->getViewerUser()->getId() == $userProfileService->getOwnerUser()->getId()) {
         $this->viewer_is_owner = true;
         $challengesBadges = $userProfileService->getChallengesAnnotated();
         // Let's prune the challengesBadges list to the correct length before passing it to the template
         if ($this->max_challenges != "all") {
             $challengesBadges = array_slice($challengesBadges, 0, $this->max_challenges);
         }
         $this->challengesBadges = $challengesBadges;
     }
     // UI elements
     $this->leaderboard_url = Skin::makeSpecialUrl("Leaderboard");
     if ($userProfileService->getViewerUser() && $userProfileService->getViewerUser()->isAllowed('editinterface')) {
         $this->customize_url = Skin::makeSpecialUrl("AchievementsCustomize");
     }
     wfProfileOut(__METHOD__);
 }