public function listAction()
    {
        $calendars = $this->getDoctrine()
            ->getRepository('CanalTPMttBundle:Calendar')
            ->findBy(
                ['customer' => $this->getUser()->getCustomer()],
                ['id'=>'desc']
            );

        return $this->render('CanalTPMttBundle:Calendar:list.html.twig', [
          'no_left_menu' => true,
          'calendars'    => $calendars
        ]);
    }