public function uploadAction() {

        $document = new \Repo\RepoBundle\Entity\RepoFile();
        $document->setAuthor(4449);

        $form = $this->createFormBuilder($document)
                ->add('file')
                ->getForm()
        ;


        if ($this->getRequest()->isMethod('POST')) {

            $form->bind($this->getRequest());
            if ($form->isValid()) {

                $em = $this->getDoctrine()->getManager();
                                var_dump($document->author);
                $em->persist($document);
                $em->flush();

                return $this->redirect('Repo_Strategy_upload');
            }
        }

        return $this->render('RepoRepoBundle:Strategy:upload.html.twig', array('form' => $form->createView()));
    }