119. handle file upload

src/Controller/ApiFileController.php

+<?php
+
+
+namespace App\Controller;
+
+
+use App\Entity\FileManaged;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
+
+class ApiFileController extends AbstractController
+{
+    public function __invoke(Request $request, EntityManagerInterface $em, string $projectDir)
+    {
+        /**@var UploadedFile $uploadedFile * */
+        $uploadedFile = $request->files->get('file');
+        if (!$uploadedFile) {
+            throw new BadRequestHttpException('"file" is required');
+        }
+
+        $newFileName = $uploadedFile->getClientOriginalName() . '_' .
+            substr(hash('sha1', $uploadedFile->getClientOriginalName()), 0, 8) .
+            '.' . $uploadedFile->getClientOriginalExtension();
+        $file = new FileManaged();
+        $file->setMimeType($uploadedFile->getMimeType());
+        $file->setOriginName($uploadedFile->getClientOriginalName());
+        $file->setFileName($newFileName);
+        $file->setFileSize($uploadedFile->getSize());
+        $file->setPath('/uploads/images/' . $newFileName);
+
+        $em->persist($file);
+        $em->flush();
+
+        $uploadedFile->move($projectDir . '/public/uploads/images', $newFileName);
+
+        return $file;
+    }
+}
\ No newline at end of file

src/Entity/FileManaged.php

@@ -3,6 +3,7 @@
 namespace App\Entity;
 
 use ApiPlatform\Core\Annotation\ApiResource;
+use App\Controller\ApiFileController;
 use App\Repository\FileManagedRepository;
 use Doctrine\ORM\Mapping as ORM;
 
@@ -10,7 +11,36 @@ use Doctrine\ORM\Mapping as ORM;
  * @ORM\Entity(repositoryClass=FileManagedRepository::class)
  * @ORM\Table(name="file")
  */
-#[ApiResource]
+#[ApiResource(
+    collectionOperations: [
+        'get',
+        'post' => [
+            'controller' => ApiFileController::class,
+            'method' => 'post',
+            'deserialize' => false,
+            'openapi_context' => [
+                'requestBody' => [
+                    'content' => [
+                        'multipart/form-data' => [
+                            'schema' => [
+                                'type' => 'object',
+                                'properties' => [
+                                    'file' => [
+                                        'type' => 'string',
+                                        'format' => 'binary',
+                                    ],
+                                ],
+                            ],
+                        ],
+                    ],
+                ],
+            ],
+        ]
+],
+    itemOperations: [
+        'get'
+    ]
+)]
 class FileManaged
 {
     /**
@@ -45,6 +75,8 @@ class FileManaged
      */
     private $path;
 
+    private $fileUrl;
+
     public function getId(): ?int
     {
         return $this->id;
@@ -109,4 +141,22 @@ class FileManaged
 
         return $this;
     }
+
+    /**
+     * @return mixed
+     */
+    public function getFileUrl()
+    {
+        return $this->fileUrl;
+    }
+
+    /**
+     * @param mixed $fileUrl
+     */
+    public function setFileUrl($fileUrl): void
+    {
+        $this->fileUrl = $fileUrl;
+    }
+
+
 }

src/Serializer/Normalizer/FileAwareNormalizer.php

+<?php
+
+
+namespace App\Serializer\Normalizer;
+
+
+use App\Entity\FileManaged;
+use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\Serializer\Exception\CircularReferenceException;
+use Symfony\Component\Serializer\Exception\ExceptionInterface;
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
+use Symfony\Component\Serializer\Exception\LogicException;
+use Symfony\Component\Serializer\Normalizer\ContextAwareNormalizerInterface;
+use Symfony\Component\Serializer\Normalizer\NormalizerAwareInterface;
+use Symfony\Component\Serializer\Normalizer\NormalizerAwareTrait;
+
+class FileAwareNormalizer implements NormalizerAwareInterface, ContextAwareNormalizerInterface
+{
+    use NormalizerAwareTrait;
+
+    /**
+     * @var RequestStack
+     */
+    private RequestStack $requestStack;
+
+    public function __construct(RequestStack $requestStack)
+    {
+        $this->requestStack = $requestStack;
+    }
+
+    private const FILE_NORMALIZER_ALREADY_CALLED = 'file_normalizer_already_called';
+
+    public function supportsNormalization($data, string $format = null, array $context = [])
+    {
+        if (isset($context[self::FILE_NORMALIZER_ALREADY_CALLED]))
+        {
+            return false;
+        }
+        return $data instanceof FileManaged;
+    }
+
+    /**
+     * @param FileManaged $object
+     * @param string|null $format
+     * @param array $context
+     * @return array|\ArrayObject|bool|float|int|string|null
+     * @throws ExceptionInterface
+     */
+    public function normalize($object, string $format = null, array $context = [])
+    {
+        $context[self::FILE_NORMALIZER_ALREADY_CALLED] = true;
+
+        $object->setFileUrl($this->requestStack->getCurrentRequest()->getSchemeAndHttpHost() . $object->getPath());
+        return $this->normalizer->normalize($object, $format, $context);
+    }
+}
\ No newline at end of file