Fix regression: Show artwork in Music Stash when browsing by folder

core/artwork.go

@@ -90,17 +90,25 @@ func (c *artwork) getImagePath(ctx context.Context, id string) (path string, las
 	}
 
 	log.Trace(ctx, "Looking for media file art", "id", id)
-	// if id is a mediafile cover id
+
+	// Check if id is a mediaFile cover id
 	var mf *model.MediaFile
 	mf, err = c.ds.MediaFile(ctx).Get(id)
+
+	// If it is not, may be an albumId
+	if err == model.ErrNotFound {
+		return c.getImagePath(ctx, "al-"+id)
+	}
 	if err != nil {
 		return
 	}
+
+	// If it is a mediaFile and it has cover art, return it
 	if mf.HasCoverArt {
 		return mf.Path, mf.UpdatedAt, nil
 	}
 
-	// if the mediafile does not have a coverArt, fallback to the album cover
+	// if the mediaFile does not have a coverArt, fallback to the album cover
 	log.Trace(ctx, "Media file does not contain art. Falling back to album art", "id", id, "albumId", "al-"+mf.AlbumID)
 	return c.getImagePath(ctx, "al-"+mf.AlbumID)
 }

core/artwork_test.go

@@ -101,6 +101,16 @@ var _ = Describe("Artwork", func() {
 			Expect(format).To(Equal("jpeg"))
 		})
 
+		It("retrieves the album artwork by album id", func() {
+			buf := new(bytes.Buffer)
+
+			Expect(artwork.Get(ctx, "222", 0, buf)).To(BeNil())
+
+			_, format, err := image.Decode(bytes.NewReader(buf.Bytes()))
+			Expect(err).To(BeNil())
+			Expect(format).To(Equal("jpeg"))
+		})
+
 		It("resized artwork art as requested", func() {
 			buf := new(bytes.Buffer)