twyrael/src/Controller/RegisterController.php

<?php

namespace App\Controller;

use App\Entity\User;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Form\Extension\Core\Type\RepeatedType;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\Extension\Core\Type\PasswordType;
use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
use Symfony\Component\Form\Extension\Core\Type\TextareaType;
use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;

class RegisterController extends AbstractController
{
    /**
     * @Route("/register", name="register")
     */
    public function index(Request $request, UserPasswordEncoderInterface $encoder): Response
    {
        $session = $this->get('session');

        if (null !== $session->get('user')) {
            $session->save();
            return $this->redirectToRoute('home');
        }

        $user = new User();

        // Instanciation du fromBuilder
        $formBuilder = $this->createFormBuilder();

        // Ajout des champs
        $formBuilder
            ->add('identifiant', TextType::class)
            ->add('mot_de_passe', RepeatedType::class, array(
                'type' => PasswordType::class,
                'first_options' => array('label' => 'Mot de passe'),
                'second_options' => array('label' => 'Répéter le mot de passe')
            ))
            ->add('description', TextareaType::class, ['required' => false])
            ->add('profil_prive', CheckboxType::class, ['required' => false])
            ->setAction($this->generateUrl('register'));

        // Génération du formulaire
        $form = $formBuilder->getForm();

        if ($request->getMethod() == 'POST') {

            $form->handleRequest($request);
            if ($form->isValid()) {
                $chosen_username = $form->get("identifiant")->getData();
                $em = $this->getDoctrine()->getManager();
                $repository_profile = $em->getRepository(User::class);
                $profile = $repository_profile->findOneBy(array('username' => $chosen_username));
                if ($profile) {
                    return $this->render('register/index.html.twig', [
                        'message' => "Nom d'utilisateur déjà existant",
                        'form' => $form->createView()
                    ]);
                }
                $user->setUsername($form->get("identifiant")->getData());
                $encoded_passwd = $encoder->encodePassword($user, $form->get('mot_de_passe')->getData());
                $user->setPassword($encoded_passwd);
                $user->setIsPrivate($form->get("profil_prive")->getData());
                $user->setDescription($form->get('description')->getData());
                $em->persist($user);
                $em->flush();
                return $this->redirectToRoute('index');
            }
        }

        return $this->render('register/index.html.twig', [
            'form' => $form->createView(),
            'message' => ""
        ]);
    }
}