route set updates

backend/app/Set/UseCases/UpdateSet/UpdateIconImage.php

@@ -0,0 +1,93 @@
+<?php
+
+namespace App\Set\UseCases\UpdateSet;
+
+use App\Exceptions\BadRequestException;
+use App\Exceptions\NotFoundException;
+use App\Set\Set;
+use App\Set\SetRepository;
+use App\Shared\Files\FileToUpload;
+use App\Shared\Files\Filesystem;
+
+class UpdateIconImage
+{
+    private const ALLOWED_MIME_TYPES = [
+        'image/jpeg',
+        'image/png',
+        'image/webp',
+    ];
+
+    private const MAX_SIZE_BYTES = 5 * 1024 * 1024;
+
+    public function __construct(
+        private SetRepository $setRepository,
+        private Filesystem $filesystem,
+    ) {
+    }
+
+    /**
+     * @throws BadRequestException
+     * @throws NotFoundException
+     */
+    public function execute(UpdateIconImageRequest $request): Set
+    {
+        if ($request->id === null) {
+            throw new BadRequestException('setId is required');
+        }
+
+        if (
+            $request->fileContents === null
+            || $request->fileOriginalName === null
+            || $request->fileMimeType === null
+            || $request->fileSizeBytes === null
+        ) {
+            throw new BadRequestException('icon image is required');
+        }
+
+        if (
+            ! in_array(
+                $request->fileMimeType,
+                self::ALLOWED_MIME_TYPES,
+                true,
+            )
+        ) {
+            throw new BadRequestException(
+                'icon image must be a jpeg, png or webp image',
+            );
+        }
+
+        if ($request->fileSizeBytes > self::MAX_SIZE_BYTES) {
+            throw new BadRequestException(
+                'icon image must be 5MB or smaller',
+            );
+        }
+
+        $set = $this->setRepository->find($request->id);
+        if ($set === null) {
+            throw new NotFoundException('Set not found');
+        }
+
+        $oldIconImageUrl = $set->getIconImageUrl();
+        $iconImage = new FileToUpload(
+            contents: $request->fileContents,
+            originalName: $request->fileOriginalName,
+            mimeType: $request->fileMimeType,
+            sizeBytes: $request->fileSizeBytes,
+        );
+        $path = $this->filesystem->upload($iconImage, 'set-icons');
+        $set->setIconImageUrl($path);
+        $updatedSet = $this->setRepository->update($set);
+        $this->deleteManagedSetIcon($oldIconImageUrl);
+
+        return $updatedSet;
+    }
+
+    private function deleteManagedSetIcon(string $path): void
+    {
+        if (! str_starts_with($path, 'set-icons/')) {
+            return;
+        }
+
+        $this->filesystem->delete($path);
+    }
+}