Create everything required to login and register

src/Controller/SecurityController.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Controller;
+
+use App\Entity\User;
+use App\Form\RegistrationFormType;
+use Doctrine\ORM\EntityManagerInterface;
+use Exception;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Security\Http\Authentication\AuthenticationUtils;
+
+class SecurityController extends AbstractController
+{
+    #[Route('/login', name: 'login')]
+    public function login(AuthenticationUtils $authenticationUtils): Response
+    {
+        $error = $authenticationUtils->getLastAuthenticationError();
+        $lastUsername = $authenticationUtils->getLastUsername();
+
+        return $this->render('security/login.html.twig', [
+            'last_username' => $lastUsername,
+            'error' => $error,
+        ]);
+    }
+
+    #[Route('/logout', name: 'logout')]
+    public function logout(): void
+    {
+        // controller can be blank: it will never be called!
+        throw new Exception('Don\'t forget to activate logout in security.yaml');
+    }
+
+    #[Route('/register', name: 'register')]
+    public function register(
+        Request                     $request,
+        UserPasswordHasherInterface $userPasswordHasher,
+        EntityManagerInterface      $entityManager,
+    ): Response
+    {
+        $user = new User();
+        $form = $this->createForm(RegistrationFormType::class, $user);
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            if ($form->get('plainPassword')->getData() !== $form->get('plainPasswordRepeated')->getData()) {
+                $this->addFlash('error', 'Password and password repeated must be the same');
+            } else {
+                $user->setPassword(
+                    $userPasswordHasher->hashPassword(
+                        $user,
+                        $form->get('plainPassword')->getData()
+                    )
+                );
+
+                $entityManager->persist($user);
+                $entityManager->flush();
+                // do anything else you need here, like send an email
+                $this->addFlash('success', sprintf('Successfully registered user %s', $user->getUsername()));
+
+                return $this->redirectToRoute('register');
+            }
+        }
+
+        return $this->render('security/register.html.twig', [
+            'registrationForm' => $form->createView(),
+        ]);
+    }
+}