twyrael/src/Controller/LoginController.php

<?php

namespace App\Controller;

use App\Entity\User;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\Session\Session;
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\Security\Core\Encoder\UserPasswordEncoderInterface;

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

        if (null !== $session->get('user')) {
            $session->save();
            return $this->redirectToRoute('profile', ['id' => $session->get('user')]);
        }

        // $profile = new User();

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

        // Ajout des champs
        $formBuilder
            ->add('identifiant', TextType::class)
            ->add('mot_de_passe', PasswordType::class)
            ->setAction($this->generateUrl('login'));

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

        if ($request->getMethod() == 'POST') {
            $form->handleRequest($request);
            if ($form->isValid()) {
                $id = $form->get("identifiant")->getData();
                $passwd = $form->get('mot_de_passe')->getData();
                $em = $this->getDoctrine()->getManager();
                $repository_profile = $em->getRepository(User::class);
                $profile = $repository_profile->findOneBy(array('username' => $id));
                if ($profile) {
                    if ($encoder->isPasswordValid($profile, $passwd)) {
                        $session->set('user', $id);
                        return $this->redirectToRoute('profile', ['username' => $session->get('user')]);
                    }
                }
                return $this->render('login/index.html.twig', [
                    'message' => "Utilisateur ou mot de passe incorrect",
                    'form' => $form->createView()
                ]);
            }
        }

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