Remove form namespace in Symfony2 form (for REST API)

Question

I'm designing REST API with Symfony2.

For POST and PUT request i'm using a FormType. Something like :

class EmailType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->add('subject', 'textarea')
        [...]
        ;
    }

    public function getName()
    {
        return 'email';
    }
}

But when I POST, i'm must pass fields with a namespace like :

{
    "email": {
        "subject": "subject"
    }
}

But I don't want this top-level namespace !

Any ideas ?

Elnur Abdurrakhimov · Accepted Answer · 2013-10-15 22:52:17Z

7

A form type has to have a name because if you register it as a service tagged as a form type, you need to somehow reference it. In the following code snippet, email is the name of the form type:

$form = $this->formFactory->create('email', $email);

That's why you have to return a name in the form type class:

public function getName()
{
    return 'email';
}

So, instead of creating a form type without a name, just create a form — a particular instance of that form type — with an empty name:

$form = $this->formFactory->createNamed(null, 'email', $email);

An empty string — '' — instead of null works as well.

edited Oct 15, 2013 at 22:52

answered Oct 15, 2013 at 11:07

Elnur Abdurrakhimov

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4 Comments

StuBez Over a year ago

I know you didn't like the approach I suggested above. Could you add some detail in your answer about how this is a better way of dealing with this issue. Thanks.

Dandy Over a year ago

@StuBez I think it is worth changing this to the answer, as it is the better solution to attack this problem.

StuBez Over a year ago

@Dan I can't see any way to change the accepted answer but you could try contacting the person who asked the question.

Dandy Over a year ago

Totally meant to call out to @Gilles

StuBez · Accepted Answer · 2013-09-03 13:24:20Z

-3

I've used Symfony forms for JSON based APIs. You just need to change your getName() method to return '':

public function getName()
{
    return '';
}

This, cobined with the FOSRestBundle, made working with POSTed data very easy.

answered Sep 3, 2013 at 13:24

StuBez

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