Symfony2 CRUD, GET returns JSON but POST creates EMPTY records and PUT does nothing

Question

I am new to Symfony2 and many bundles but I am working on a prototype REST API and I have used the FOSRestBundle and also playing around with the native CRUD generated by Symfony2. However, I have found that while the Symfony2 CRUD code returns the correct JSON formatted response, POST gives me an error and I am looking for explanations and tutorials on how to solve the problem. Look at the code for both GET and POST for an entity, lets say address in this case:

/**
 * Lists all Address entities.
 *
 * @Route("/", name="address")
 * @Method("GET")
 * @Template()
 */
public function indexAction()
{
    $em = $this->getDoctrine()->getManager();

    $entities = $em->getRepository('MyWebServicesBundle:Address')->findAll();

    return array(
        'entities' => $entities,
    );
}
/**
 * Creates a new Address entity.
 *
 * @Route("/", name="address_create")
 * @Method("POST")
 * @Template("MyWebServicesBundle:Address:new.html.twig")
 */
public function createAction(Request $request)
{
    $entity = new Address();
    $form = $this->createCreateForm($entity);
    $form->handleRequest($request);

    // Inserted new code for deserialization
    $entity->setUseruid($request->request->get("useruid"));
    $entity->setCity($request->request->get("city"));
    $entity->setLatitude($request->request->get("latitude"));
    $entity->setLongitude($request->request->get("longitude"));

    $serializer = JMS\Serializer\SerializerBuilder::create()->build();
    $entity = $serializer->deserialize($request->request->all(), 'Name\BundleName\Entity\Address', 'json');

    if ($form->isValid()) {
        $em = $this->getDoctrine()->getManager();
        $em->persist($entity);
        $em->flush();

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

    return array(
        'entity' => $entity,
        'form'   => $form->createView(),
    );
}

Lets say I am using AJAX to send requests to the API and here is my code for both GET and POST respectively:

        $.ajax({
            dataType: "json",
            type: "GET",
            url: "/symfony/web/app_dev.php/address/",
            success: function (responseText)
            {
                alert("Request was successful, data received: " + responseText); 
            },
            error: function (error) {
                alert(JSON.stringify(error));
            }
        });

        $.ajax({
            dataType: "json",
            type: "POST",
            data: {"id":1,"useruid":"Nothing","type":"Office in Space","latitude":"74.3","longitude":"33.2","displayed":true,"public":true,"verified":true,"street":"Something","city":"Something","country":"Space","region":"North America","created":"2009-03-07T00:00:00-0500","delete_status":"active"},
            url: "/symfony/web/app_dev.php/address/",
            success: function (responseText)
            {
                console.log("Request was successful, data received: " + JSON.stringify(responseText)); 

            },
            error: function (error) {
                alert(JSON.stringify(error));
            }
        });

While GET returns the correct, POST returns the following error: {"code":500,"message":"Warning: json_encode(): recursion detected in /var/www/projects/symfony/vendor/jms/serializer/src/JMS/Serializer/JsonSerializationVisitor.php line 29"}. What do I need to do resolve the error? I can return a single entity or all entities but POST which is just to send data to the path to create the entity gives the error. I have updated my JMSSerializer bundle from 0.12.* to dev-master and also checked to be sure that no NULL values are in the data to be sent by AJAX but the error remains. How can I make my POST controller create data from the valid JSON sent to it in a POST?

I also tried PUT and the result was the same and it does not update the resource, shouldn't just update the record in the table? Let me know if I need to provide any more information to figure out the source of this bug! Code has been edited above.

Symfony2 CRUD, GET returns JSON but POST creates EMPTY records and PUT does nothing

Answers (1)

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