REST with FOSRestBundle example

gistfile1.php

<?php

namespace M6\Bundle\MyRESTBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Request;
use FOS\RestBundle\Controller\Annotations as Rest;
use FOS\RestBundle\Request\ParamFetcher;
use FOS\RestBundle\View\View;
use FOS\RestBundle\Controller\Annotations\Route;

use M6\Bundle\MyRESTBundle\Form\TalkType;
use M6\Bundle\MyRESTBundle\Entity\Talk;

class MyRESTController extends Controller
{
    /**
     * @QueryParam(name="session", requirements="[0-9}{4}-[0-9]{2}-[0-9]{2}", strict="true", nullable="true", description="Talks session")
     */
    public function getTalksAction(ParamFetcher $paramFetcher) {
        if ($session = $paramFetcher->get('session')) {
            $talks = $this->get('doctrine')->getRepository('MyRESTBundle:Talk')->findBy(array(
                'session' => new \DateTime($session)
            )); 
        } else {
            $talks = $this->get('doctrine')->getRepository('MyRESTBundle:Talk')->findAll();  
        }

        return new View($talks, 200);
    }

    /**
     * @Route(requirements={"id"="\d+"})
     */
    public function getTalkAction($id) {
        $talk = $this->get('doctrine')->getRepository('MyRESTBundle:Talk')->find($id);

        if (is_null($talk)) {
            return new View('Talk not found', 404);
        }

        return new View($talk, 200);
    }
    
    public function postTalksAction(Request $request) {
        $talk = new Talk();

        $form = $this->createForm(new TalkType(), $talk);
        $form->handleRequest($request);

        if ($form->isValid()) {
            $em = $this->get('doctrine')->getEntityManager('rest');
            $em->persist($talk);
            $em->flush();

            return new View($talk, 201, array(
                'Location' => $this->generateUrl('get_talk', ['id' => $talk->getId()])
            ));
        }

        return new View($form, 422);
    }
    
    /**
     * @Route(requirements={"id"="\d+"})
     */
    public function putAction($id, Request $request)
    {
        $talk = $this->get('doctrine')->getRepository('MyRESTBundle:Talk')->find($id);

        if (is_null($talk)) {
            return $this->view('Talk not found', 404);
        }

        $form = $this->createForm(new TalkType(), $talk, ['method' => 'PUT']);
        $form->handleRequest($request);

        if ($form->isValid()) {
            $em = $this->get('doctrine')->getEntityManager('rest');
            $em->flush($talk);

            return $this->view(null, 204);
        }

        return $this->view($form, 422);
    }
    
    /**
     * @Route(requirements={"id"="\d+"})
     */
    public function deleteTalkAction($id)
    {
        $talk = $this->get('doctrine')->getRepository('MyRESTBundle:Talk')->find($id);

        if (is_null($talk)) {
            return $this->view('Talk not found', 404);
        }

        $em = $this->get('doctrine')->getEntityManager('lftrest');
        $em->remove($talk);
        $em->persist();        

        return $this->view(null, 204);
    }
}