<?php

namespace App\Entity;

use App\Repository\MyEntityRepository;
use Doctrine\ORM\Mapping as ORM;

#[ORM\Entity(repositoryClass: MyEntityRepository::class)]
class MyEntity
{
    #[ORM\Id]
    #[ORM\GeneratedValue]
    #[ORM\Column]
    private ?int $id = null;

    #[ORM\Column(length: 255)]
    private ?string $name = null;

    public function getId(): ?int
    {
        return $this->id;
    }

    public function getName(): ?string
    {
        return $this->name;
    }

    public function setName(string $name): static
    {
        $this->name = $name;

        return $this;
    }
}

<?php

namespace App\Form;

use App\Entity\MyEntity;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class MyEntityType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options): void
    {
        $builder
            ->add('name', options: [
                'required' => false,
            ])
        ;
    }

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

<?php

namespace App\Controller;

use App\Entity\MyEntity;
use App\Form\MyEntityType;
use App\Repository\MyEntityRepository;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;

#[Route('/my/entity')]
final class MyEntityController extends AbstractController
{
    #[Route(name: 'app_my_entity_index', methods: ['GET'])]
    public function index(MyEntityRepository $myEntityRepository): Response
    {
        return $this->render('my_entity/index.html.twig', [
            'my_entities' => $myEntityRepository->findAll(),
        ]);
    }

    #[Route('/new', name: 'app_my_entity_new', methods: ['GET', 'POST'])]
    public function new(Request $request, EntityManagerInterface $entityManager): Response
    {
        $myEntity = new MyEntity();
        $form = $this->createForm(MyEntityType::class, $myEntity);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $entityManager->persist($myEntity);
            $entityManager->flush();

            return $this->redirectToRoute('app_my_entity_index', [], Response::HTTP_SEE_OTHER);
        }

        return $this->render('my_entity/new.html.twig', [
            'my_entity' => $myEntity,
            'form' => $form,
        ]);
    }

    #[Route('/{id}', name: 'app_my_entity_show', methods: ['GET'])]
    public function show(MyEntity $myEntity): Response
    {
        return $this->render('my_entity/show.html.twig', [
            'my_entity' => $myEntity,
        ]);
    }

    #[Route('/{id}/edit', name: 'app_my_entity_edit', methods: ['GET', 'POST'])]
    public function edit(Request $request, MyEntity $myEntity, EntityManagerInterface $entityManager): Response
    {
        $form = $this->createForm(MyEntityType::class, $myEntity);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $entityManager->flush();

            return $this->redirectToRoute('app_my_entity_index', [], Response::HTTP_SEE_OTHER);
        }

        return $this->render('my_entity/edit.html.twig', [
            'my_entity' => $myEntity,
            'form' => $form,
        ]);
    }

    #[Route('/{id}', name: 'app_my_entity_delete', methods: ['POST'])]
    public function delete(Request $request, MyEntity $myEntity, EntityManagerInterface $entityManager): Response
    {
        if ($this->isCsrfTokenValid('delete'.$myEntity->getId(), $request->getPayload()->getString('_token'))) {
            $entityManager->remove($myEntity);
            $entityManager->flush();
        }

        return $this->redirectToRoute('app_my_entity_index', [], Response::HTTP_SEE_OTHER);
    }
}