Piwik\Plugins\UsersManager\Controller::index PHP Method

    function index()
    {
        Piwik::checkUserIsNotAnonymous();
        Piwik::checkUserHasSomeAdminAccess();
        $view = new View('@UsersManager/index');
        $IdSitesAdmin = Request::processRequest('SitesManager.getSitesIdWithAdminAccess');
        $idSiteSelected = 1;
        if (count($IdSitesAdmin) > 0) {
            $defaultWebsiteId = $IdSitesAdmin[0];
            $idSiteSelected = Common::getRequestVar('idSite', $defaultWebsiteId);
        }
        if ($idSiteSelected === 'all') {
            $usersAccessByWebsite = array();
            $defaultReportSiteName = $this->translator->translate('UsersManager_ApplyToAllWebsites');
        } else {
            if (!Piwik::isUserHasAdminAccess($idSiteSelected) && count($IdSitesAdmin) > 0) {
                // make sure to show a website where user actually has admin access
                $idSiteSelected = $IdSitesAdmin[0];
            }
            $defaultReportSiteName = Site::getNameFor($idSiteSelected);
            try {
                $usersAccessByWebsite = Request::processRequest('UsersManager.getUsersAccessFromSite', array('idSite' => $idSiteSelected));
            } catch (NoAccessException $e) {
                return $this->noAdminAccessToWebsite($idSiteSelected, $defaultReportSiteName, $e->getMessage());
            }
        }
        // we don't want to display the user currently logged so that the user can't change his settings from admin to view...
        $currentlyLogged = Piwik::getCurrentUserLogin();
        $usersLogin = Request::processRequest('UsersManager.getUsersLogin');
        foreach ($usersLogin as $login) {
            if (!isset($usersAccessByWebsite[$login])) {
                $usersAccessByWebsite[$login] = 'noaccess';
            }
        }
        unset($usersAccessByWebsite[$currentlyLogged]);
        // $usersAccessByWebsite is not supposed to contain unexistant logins, but it does when upgrading from some old Piwik version
        foreach ($usersAccessByWebsite as $login => $access) {
            if (!in_array($login, $usersLogin)) {
                unset($usersAccessByWebsite[$login]);
                continue;
            }
        }
        ksort($usersAccessByWebsite);
        $users = array();
        $superUsers = array();
        $usersAliasByLogin = array();
        $formatter = new Formatter();
        if (Piwik::isUserHasSomeAdminAccess()) {
            $view->showLastSeen = true;
            $users = Request::processRequest('UsersManager.getUsers');
            foreach ($users as $index => $user) {
                $usersAliasByLogin[$user['login']] = $user['alias'];
                $lastSeen = LastSeenTimeLogger::getLastSeenTimeForUser($user['login']);
                $users[$index]['last_seen'] = $lastSeen == 0 ? false : $formatter->getPrettyTimeFromSeconds(time() - $lastSeen);
            }
            if (Piwik::hasUserSuperUserAccess()) {
                foreach ($users as $user) {
                    if ($user['superuser_access']) {
                        $superUsers[] = $user['login'];
                    }
                }
            }
        }
        $view->hasOnlyAdminAccess = Piwik::isUserHasSomeAdminAccess() && !Piwik::hasUserSuperUserAccess();
        $view->anonymousHasViewAccess = $this->hasAnonymousUserViewAccess($usersAccessByWebsite);
        $view->idSiteSelected = $idSiteSelected;
        $view->defaultReportSiteName = $defaultReportSiteName;
        $view->users = $users;
        $view->superUserLogins = $superUsers;
        $view->usersAliasByLogin = $usersAliasByLogin;
        $view->usersCount = count($users) - 1;
        $view->usersAccessByWebsite = $usersAccessByWebsite;
        $websites = Request::processRequest('SitesManager.getSitesWithAdminAccess');
        uasort($websites, array('Piwik\\Plugins\\UsersManager\\Controller', 'orderByName'));
        $view->websites = $websites;
        $this->setBasicVariablesView($view);
        return $view->render();
    }