public function index()
 {
     global $wgLang, $wgUser;
     Wikia::addAssetsToOutput('global_navigation_scss');
     Wikia::addAssetsToOutput('global_navigation_js');
     //Lang for centralUrl and CNW should be the same as user language not content language
     //That's why $wgLang global is used
     $lang = $wgLang->getCode();
     $centralUrl = $this->wikiaLogoHelper->getCentralUrlForLang($lang);
     $createWikiUrl = $this->helper->getCreateNewWikiUrl($lang);
     $userCanRead = $wgUser->isAllowed('read');
     $this->response->setVal('centralUrl', $centralUrl);
     $this->response->setVal('createWikiUrl', $createWikiUrl);
     $this->response->setVal('notificationsEnabled', !empty($userCanRead));
     $this->response->setVal('isAnon', $wgUser->isAnon());
     $isGameStarLogoEnabled = $this->isGameStarLogoEnabled();
     $this->response->setVal('isGameStarLogoEnabled', $isGameStarLogoEnabled);
     if ($isGameStarLogoEnabled) {
         $this->response->addAsset('extensions/wikia/GlobalNavigation/styles/GlobalNavigationGameStar.scss');
     }
 }