chore: complete update

src/Domain/Media/ImageVariantRepository.php

@@ -0,0 +1,22 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Domain\Media;
+
+use App\Framework\Database\EntityManager;
+
+final class ImageVariantRepository
+{
+    public function __construct(
+        private EntityManager $entityManager
+    ){}
+
+    public function save(ImageVariant $imageVariant): void
+    {
+        $this->entityManager->save($imageVariant);
+    }
+
+    public function findByFilename(string $filename): ?ImageVariant {
+        return $this->entityManager->findOneBy(ImageVariant::class, ['filename' => $filename]);
+    }
+}