public function top()
    {
        $userSession = new userSessions();
        $userID = (int) $userSession->getUserID();
        if ($userID) {
            /*
             * Home, Profile, Photo, Notification, Message, Settings
             */
            return <<<EOF
            <div class="navbar-fixed-top">
    <nav class="socialSample-navbar" role="navigation" ng-controller="navController">
<ul class="socialSample-navbar-right">
     <li class="nav-item"><a ui-sref=".home" class="home-nav-btn circle"><span class="glyphicon glyphicon-home"></span></span></a></li>
     <li class="nav-item"><a ui-sref=".profile({ uid: (mc.user.username || mc.user.uid) })" class="profile-nav-btn circle"><span class="glyphicon glyphicon-user"></span></a></li>
     <li class="nav-item"><a ui-sref=".message({ uid: (mc.user.username || mc.user.uid) })" class="message-nav-btn circle"><span class="glyphicon glyphicon-comment"></span><span class="label label-danger label-as-badge">200</span></a></li>
     <li class="nav-item"><a href="#" data-template="/notifications?ng-view=false" data-placement="left" data-animation="am-slide-left" bs-aside="aside" data-container="body" data-backdrop="false" class="notification-nav-btn circle"><span class="glyphicon glyphicon-globe"></span><span class="label label-danger label-as-badge">1</span></a></li>
     <li class="nav-item"><a href="#" class="settings-nav-btn circle" onclick="return false;" settings-popover><span class="glyphicon glyphicon-cog"></span></a></li>
</ul>
    </nav>
</div>
EOF;
        } else {
            return <<<EOF
                        <div class="navbar-fixed-top">
    <nav class="socialSample-navbar" role="navigation">
        <div class="navbar-header">
            <a target="_self" class="navbar-brand" href="/">socialSample</a>
        </div>
<ul class="nav navbar-nav navbar-right">
     <li class="nav-item"><a target="_self" href="/login" class="default-btn">Log in</a></li>
     <li class="nav-item"><a target="_self" href="/signup" class="default-btn">Sign up</a></li>
</ul>
    </nav>
    </div>
EOF;
        }
    }
 public function logoutAction()
 {
     $userSession = new userSessions();
     $userSession->deleteSession();
     $this->response->redirect('/login', true);
     $this->response->send();
     exit;
 }