public function updateAction(Request $request, $id)
    {
        $em = $this->getDoctrine()->getManager();

        $center = $em->getRepository('ChillMainBundle:Center')->find($id);

        if (!$center) {
            throw $this->createNotFoundException('Unable to find Center entity.');
        }

        $editForm = $this->createEditForm($center);
        $editForm->handleRequest($request);

        if ($editForm->isValid()) {
            $em->flush();

            return $this->redirect($this->generateUrl('admin_center_edit', array('id' => $id)));
        }

        return $this->render('ChillMainBundle:Center:edit.html.twig', array(
            'entity'      => $center,
            'edit_form'   => $editForm->createView()
        ));
    }