Controller - $app/console generate:doctrine:crud on #Symfony 2.1

gistfile1.php

/**
 * Edits an existing Project entity.
 *
 * @Route("/{id}", name="project_update")
 * @Method("PUT")
 * @Template("ProjectBundle:Project:edit.html.twig")
 */
public function updateAction(Request $request, $id)
{
    $em = $this->getDoctrine()->getManager();

    $entity = $em->getRepository('ProjectBundle:Project')->find($id);

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

    $deleteForm = $this->createDeleteForm($id);
    $editForm = $this->createForm(new ProjectType(), $entity);
    $editForm->bind($request);

    if ($editForm->isValid()) {
        $em->persist($entity);
        $em->flush();
        $this->get('session')->setFlash('success', 'Project updated ...');
        return $this->redirect($this->generateUrl('project_edit', array('id' => $id)));
    }
    else {
        $this->get('session')->setFlash('error', 'Invalid data...');
    }

    return array(
        'entity'      => $entity,
        'edit_form'   => $editForm->createView(),
        'delete_form' => $deleteForm->createView(),
    );
}

/**
 * Deletes a Project entity.
 *
 * @Route("/{id}", name="project_delete")
 * @Method("DELETE")
 */
public function deleteAction(Request $request, $id)
{
    $form = $this->createDeleteForm($id);
    $form->bind($request);

    if ($form->isValid()) {
        $em = $this->getDoctrine()->getManager();
        $entity = $em->getRepository('ProjectBundle:Project')->find($id);

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

        $em->remove($entity);
        $em->flush();
    }

    return $this->redirect($this->generateUrl('project'));
}