refac: decouple persistence and image storage behind driver registries

internal/infrastructure/useCases/CreateImage.go

@@ -24,10 +24,11 @@ var rasterFormats = map[string]string{
 
 type CreateImageUseCase struct {
 	imageRepository image.Repository
+	storage         image.Storage
 }
 
-func NewCreateImageUseCase(imageRepository image.Repository) *CreateImageUseCase {
-	return &CreateImageUseCase{imageRepository}
+func NewCreateImageUseCase(imageRepository image.Repository, storage image.Storage) *CreateImageUseCase {
+	return &CreateImageUseCase{imageRepository, storage}
 }
 
 func (g *CreateImageUseCase) CreateImage(input image.ImageInput) (image.Image, error) {
@@ -46,8 +47,13 @@ func (g *CreateImageUseCase) CreateImage(input image.ImageInput) (image.Image, e
 	}
 
 	checksum := sha256.Sum256(data)
-	return g.imageRepository.Create(image.ImageInput{
-		Content:      bytes.NewReader(data),
+	storedName, err := g.storage.Put(input.ContentType, bytes.NewReader(data))
+	if err != nil {
+		return image.Image{}, err
+	}
+
+	created, err := g.imageRepository.Create(image.Image{
+		Path:         image.PublicPath(storedName),
 		Filename:     image.NormalizeUploadFilename(input.Filename, input.ContentType),
 		Size:         int64(len(data)),
 		ContentType:  input.ContentType,
@@ -56,6 +62,11 @@ func (g *CreateImageUseCase) CreateImage(input image.ImageInput) (image.Image, e
 		SHA256:       hex.EncodeToString(checksum[:]),
 		UploadedByID: input.UploadedByID,
 	})
+	if err != nil {
+		_ = g.storage.Delete(storedName)
+		return image.Image{}, err
+	}
+	return created, nil
 }
 
 func readWithinLimit(content io.Reader) ([]byte, error) {