/**
     * @Route("/join", name="join")
     * @param Request $request
     * @return \Symfony\Component\HttpFoundation\JsonResponse|\Symfony\Component\HttpFoundation\Response
     */
    public function join(Request $request)
    {
        $user = new User();
        $model = $this->createForm(JoinFormType::class, $user);
        $model->handleRequest($request);
        if ($request->isXmlHttpRequest())
        {
            if ($model->isSubmitted() && $model->isValid()) {
                return $this->json(['data' => $model->getData()]);
            } else {
                return $this->json(['errors' => $model->getErrors()]);
            }
        }


        return $this->render('actions/join.twig');
    }





//JoinForms


<?php

namespace App\Form;

use App\Entity\User;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\EmailType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Component\Validator\Constraints as Assert;

class JoinFormType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('email',EmailType::class,[
                'required'=>true,
            ])
            ->add('login',TextType::class,[
                'required'=>true,
                'constraints' => [
                    new Assert\Length([
                        'min'=>3,
                        'max'=>20
                    ]),
                ]
            ])
            ->add('username',TextType::class,[
                'required'=>true,
                'constraints' => [
                    new Assert\Length([
                        'min'=>3,
                        'max'=>20
                    ])
                ]
            ])
            ->add('token')
            ->add('status')
            ->add('password')
        ;
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults([
            'data_class' => User::class,
        ]);
    }
}