rater/src/Controller/SubjectController.php

<?php

namespace App\Controller;

use App\Entity\Restaurant;
use App\Repository\SubjectRepository;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;

class SubjectController extends AbstractController
{
    #[Route('/')]
    public function index(
        Request $request,
        EntityManagerInterface $em,
        SubjectRepository $repo,
    ): Response {
        $subject = new Restaurant();
        $subject->setName("MyRestaurant");

        $form = $this->createFormBuilder($subject)
            ->add('name', TextType::class)
            ->add('save', SubmitType::class)
            ->getForm();

        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $subject->setCreatedBy($this->getUser());
            $em->persist($subject);
            $em->flush();

            return $this->redirectToRoute('app_subject_index');
        }

        $subjects = $repo->findAll();

        return $this->render('index/page.html.twig', [
            'form' => $form,
            'subjects' => $subjects,
        ]);
    }

    #[Route('/', 'subject_new', methods: ["POST"])]
    public function save(): RedirectResponse
    {
        return $this->redirect('/');
    }
}