public function nav_locale($name, $locale)
 {
     $contentsNav = $this->container->get('session')->has($name . $locale) ? $this->container->get('session')->get($name . $locale) : $this->container->get('doctrine')->getRepository('AppBundle:Nav')->findOneBy(['name' => $name, 'locale' => $locale]);
     if ($contentsNav) {
         $data = $contentsNav->getContentsNav();
         $result = "<ul class='nav navbar-nav'>";
         foreach ($data as $item) {
             if ($item->getType() == 'category') {
                 $route = $this->routingExtenxion->getPath('app_blog_category', ['slug' => $item->getSlug()]);
                 $result .= "<li><a href='" . $route . "'>" . $item->getName() . '</a></li>';
             }
             if ($item->getType() == 'page') {
                 $route = $this->routingExtenxion->getPath('app_page', ['slug' => $item->getSlug()]);
                 $result .= "<li><a href='" . $route . "'>" . $item->getName() . '</a></li>';
             }
         }
         $result .= '</ul>';
         if (!$this->container->get('session')->has($name . $locale)) {
             $this->container->get('session')->set($name . $locale, $contentsNav);
         }
         return $result;
     }
 }