code challenge 6 solution

src/ArgumentValueResolver/CreateAttendeeModelResolver.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\ArgumentValueResolver;
+
+use App\Domain\Model\CreateAttendeeModel;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+use Symfony\Component\Serializer\SerializerInterface;
+
+final class CreateAttendeeModelResolver implements ArgumentValueResolverInterface
+{
+    public function __construct(
+        private readonly SerializerInterface $serializer,
+    ) {
+    }
+
+    public function supports(Request $request, ArgumentMetadata $argument): bool
+    {
+        return CreateAttendeeModel::class === $argument->getType() && 'POST' === $request->getMethod();
+    }
+
+    /**
+     * @return iterable<CreateAttendeeModel>
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument): iterable
+    {
+        // it returns an iterable, because the controller method argument could be variadic
+
+        yield $this->serializer->deserialize(
+            $request->getContent(),
+            CreateAttendeeModel::class,
+            $request->getRequestFormat(),
+        );
+    }
+}

src/ArgumentValueResolver/UpdateAttendeeModelResolver.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\ArgumentValueResolver;
+
+use App\Domain\Model\UpdateAttendeeModel;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+use Symfony\Component\Serializer\SerializerInterface;
+
+final class UpdateAttendeeModelResolver implements ArgumentValueResolverInterface
+{
+    public function __construct(
+        private readonly SerializerInterface $serializer,
+    ) {
+    }
+
+    public function supports(Request $request, ArgumentMetadata $argument): bool
+    {
+        return UpdateAttendeeModel::class === $argument->getType() && 'PUT' === $request->getMethod();
+    }
+
+    /**
+     * @return iterable<UpdateAttendeeModel>
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument): iterable
+    {
+        yield $this->serializer->deserialize(
+            $request->getContent(),
+            UpdateAttendeeModel::class,
+            $request->getRequestFormat(),
+        );
+    }
+}

src/Controller/Attendee/CreateController.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Attendee;
+
+use App\Domain\AttendeeCreator;
+use App\Domain\Model\CreateAttendeeModel;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+use Symfony\Component\Serializer\SerializerInterface;
+
+#[Route('/attendees', name: 'create_attendee', methods: ['POST'])]
+final class CreateController
+{
+    public function __construct(
+        private AttendeeCreator $attendeeCreator,
+        private SerializerInterface $serializer,
+        private UrlGeneratorInterface $urlGenerator,
+    ) {
+    }
+
+    public function __invoke(Request $request, CreateAttendeeModel $createAttendeeModel)
+    {
+        $createdAttendee = $this->attendeeCreator->create($createAttendeeModel);
+
+        $serializedCreatedAttendee = $this->serializer->serialize($createdAttendee, $request->getRequestFormat());
+
+        return new Response($serializedCreatedAttendee, Response::HTTP_CREATED, [
+            'Location' => $this->urlGenerator->generate('read_attendee', [
+                'identifier' => $createdAttendee->getIdentifier(),
+            ], UrlGeneratorInterface::ABSOLUTE_URL),
+        ]);
+    }
+}

src/Controller/Attendee/UpdateController.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Attendee;
+
+use App\Domain\AttendeeUpdater;
+use App\Domain\Model\UpdateAttendeeModel;
+use App\Entity\Attendee;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Annotation\Route;
+
+#[Route('/attendees/{identifier}', name: 'update_attendee', methods: ['PUT'])]
+final class UpdateController
+{
+    public function __construct(
+        private AttendeeUpdater $attendeeUpdater,
+    ) {
+    }
+
+    public function __invoke(Request $request, Attendee $attendee, UpdateAttendeeModel $updateAttendeeModel)
+    {
+        $this->attendeeUpdater->update($attendee, $updateAttendeeModel);
+
+        return new Response(null, Response::HTTP_NO_CONTENT);
+    }
+}

src/Domain/AttendeeCreator.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Domain;
+
+use App\Domain\Model\CreateAttendeeModel;
+use App\Entity\Attendee;
+use App\Repository\AttendeeRepository;
+use Ramsey\Uuid\Uuid;
+
+final class AttendeeCreator
+{
+    public function __construct(
+        private readonly AttendeeRepository $attendeeRepository,
+    ) {
+    }
+
+    public function create(CreateAttendeeModel $createAttendeeModel): Attendee
+    {
+        $newAttendee = new Attendee(
+            Uuid::uuid4()->toString(),
+            $createAttendeeModel->firstname,
+            $createAttendeeModel->lastname,
+            $createAttendeeModel->email,
+        );
+
+        $this->attendeeRepository->save($newAttendee);
+
+        return $newAttendee;
+    }
+}

src/Domain/AttendeeUpdater.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Domain;
+
+use App\Domain\Model\UpdateAttendeeModel;
+use App\Entity\Attendee;
+use App\Repository\AttendeeRepository;
+
+final class AttendeeUpdater
+{
+    public function __construct(
+        private readonly AttendeeRepository $attendeeRepository,
+    ) {
+    }
+
+    public function update(Attendee $attendee, UpdateAttendeeModel $createAttendeeModel): Attendee
+    {
+        if ($firstname = $createAttendeeModel->firstname) {
+            $attendee->changeFirstname($firstname);
+        }
+
+        if ($lastname = $createAttendeeModel->lastname) {
+            $attendee->changeLastname($lastname);
+        }
+
+        if ($email = $createAttendeeModel->email) {
+            $attendee->changeEmail($email);
+        }
+
+        $this->attendeeRepository->save($attendee);
+
+        return $attendee;
+    }
+}

src/Domain/Model/CreateAttendeeModel.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Domain\Model;
+
+final class CreateAttendeeModel
+{
+    public string $firstname;
+    public string $lastname;
+    public string $email;
+}

src/Domain/Model/UpdateAttendeeModel.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Domain\Model;
+
+final class UpdateAttendeeModel
+{
+    public ?string $firstname = null;
+    public ?string $lastname = null;
+    public ?string $email = null;
+}

src/Repository/AttendeeRepository.php

@@ -20,4 +20,10 @@ public function __construct(ManagerRegistry $registry)
     {
         parent::__construct($registry, Attendee::class);
     }
+
+    public function save(Attendee $attendee): void
+    {
+        $this->getEntityManager()->persist($attendee);
+        $this->getEntityManager()->flush();
+    }
 }

tests/Controller/Attendee/CreateControllerTest.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Controller\Attendee;
+
+use App\Entity\Attendee;
+use App\Repository\AttendeeRepository;
+use App\Tests\ApiTestCase;
+
+class CreateControllerTest extends ApiTestCase
+{
+    public function test_it_should_create_an_attendee(): void
+    {
+        $attendeesBefore = static::getContainer()->get(AttendeeRepository::class)->findAll();
+        static::assertCount(0, $attendeesBefore);
+
+        $this->browser->request('POST', '/attendees', [], [], [],
+            <<<'EOT'
+{
+    "firstname": "Paul",
+	"lastname": "Paulsen",
+	"email": "[email protected]"
+}
+EOT
+        );
+
+        static::assertResponseStatusCodeSame(201);
+        static::assertResponseHasHeader('Content-Type');
+        static::assertResponseHasHeader('Location');
+
+        $attendeesAfter = static::getContainer()->get(AttendeeRepository::class)->findAll();
+        static::assertCount(1, $attendeesAfter);
+
+        /** @var Attendee $expectedAttendee */
+        $expectedAttendee = $attendeesAfter[0];
+        static::assertSame('Paul', $expectedAttendee->getFirstname());
+        static::assertSame('Paulsen', $expectedAttendee->getLastname());
+        static::assertSame('[email protected]', $expectedAttendee->getEmail());
+    }
+}

tests/Controller/Attendee/UpdateControllerTest.php

@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Controller\Attendee;
+
+use App\Entity\Attendee;
+use App\Repository\AttendeeRepository;
+use App\Tests\ApiTestCase;
+
+class UpdateControllerTest extends ApiTestCase
+{
+    public function test_it_should_update_an_attendee(): void
+    {
+        $this->loadFixtures([
+            __DIR__.'/fixtures/update_attendee.yaml',
+        ]);
+
+        $attendeesBefore = static::getContainer()->get(AttendeeRepository::class)->findAll();
+        static::assertCount(1, $attendeesBefore);
+
+        $this->browser->request('PUT', '/attendees/b38aa3e4-f9de-4dca-aaeb-3ec36a9feb6c', [], [], [],
+            <<<'EOT'
+{
+    "firstname": "Paul",
+	"lastname": "Paulsen",
+	"email": "[email protected]"
+}
+EOT
+        );
+
+        static::assertResponseStatusCodeSame(204);
+
+        $attendeesAfter = static::getContainer()->get(AttendeeRepository::class)->findAll();
+        static::assertCount(1, $attendeesAfter);
+
+        /** @var Attendee $expectedAttendee */
+        $expectedAttendee = $attendeesAfter[0];
+        static::assertSame('Paul', $expectedAttendee->getFirstname());
+        static::assertSame('Paulsen', $expectedAttendee->getLastname());
+        static::assertSame('[email protected]', $expectedAttendee->getEmail());
+    }
+}

tests/Controller/Attendee/fixtures/update_attendee.yaml

@@ -0,0 +1,3 @@
+App\Entity\Attendee:
+    attendee_1:
+        __construct: [ 'b38aa3e4-f9de-4dca-aaeb-3ec36a9feb6c', 'Jan', 'Schädlich', '[email protected]' ]