public function addAction(Request $request)
    {
        $post = new Post();

        $form = $this->createFormBuilder($post)
            ->add('title', 'text')
            ->add('text', 'text')
            ->add('date', 'date')
            ->add('save', 'submit')
            ->getForm();

        $form->handleRequest($request);

        if($form->isValid()) {
            $em = $this->getDoctrine()->getManager();
            $em->persist($post);
            $em->flush();
            return new Response('Dodanie do bazy');
        }
        return $this->render('DudekmBlogBundle:Default:form.html.twig', array(
            'form' => $form->createView()
        ));
    }