feat: image gallery (#2)

Reviewed-on: #2

internal/components/images/controller.go

@@ -21,7 +21,7 @@ import (
 
 var ErrNotAnImage = errors.New("not an image")
 
-func (s *Service) getMime(path string) (mimeType string, err error) {
+func (s *Service) GetMime(path string) (mimeType string, err error) {
 	info, err := s.fs.Stat(path)
 	if err != nil {
 		err = fmt.Errorf("image file info could not be fetched: %w", err)
@@ -35,13 +35,12 @@ func (s *Service) getMime(path string) (mimeType string, err error) {
 	return
 }
 
-func (s *Service) getImage(uid string) (file []byte, mimeType string, err error) {
-	path, err := PathFromUID(uid)
+func (s *Service) getImage(path string) (file []byte, mimeType string, err error) {
 	if err != nil {
 		err = fmt.Errorf("could not get path: %w", err)
 		return
 	}
-	mimeType, err = s.getMime(path)
+	mimeType, err = s.GetMime(path)
 	if err != nil {
 		return
 	}
@@ -59,7 +58,19 @@ func (s *Service) getImage(uid string) (file []byte, mimeType string, err error)
 	return
 }
 
-func (s *Service) GetImage(ctx context.Context, uid string, options Options) (img io.Reader, mimeType string, err error) {
+func (s *Service) GetImage(path string) (img Image, err error) {
+	rawImage, _, err := s.getImage(path)
+	if err != nil {
+		return
+	}
+
+	img.Path = path
+	img.Image, _, err = image.Decode(bytes.NewBuffer(rawImage))
+
+	return
+}
+
+func (s *Service) GetScaledImage(ctx context.Context, uid string, options Options) (img io.Reader, mimeType string, err error) {
 	if err = s.seph.Acquire(ctx, 1); err != nil {
 		err = fmt.Errorf("could not Acquire semaphore: %w", err)
 		return
@@ -67,7 +78,12 @@ func (s *Service) GetImage(ctx context.Context, uid string, options Options) (im
 	}
 	defer s.seph.Release(1)
 
-	rawImage, mimeType, err := s.getImage(uid)
+	path, err := PathFromUID(uid)
+	if err != nil {
+		return
+	}
+
+	rawImage, mimeType, err := s.getImage(path)
 	if err != nil {
 		return
 	}