feat: add similar songs functionality in agents, and Instant Mix (song-based) to UI (#4919)

* refactor: rename ArtistRadio to SimilarSongs for clarity and consistency Signed-off-by: Deluan <deluan@navidrome.org> * feat: implement GetSimilarSongsByTrack and related functionality for song similarity retrieval Signed-off-by: Deluan <deluan@navidrome.org> * feat: enhance GetSimilarSongsByTrack to include artist and album details and update tests Signed-off-by: Deluan <deluan@navidrome.org> * feat: enhance song matching by implementing title and artist filtering in loadTracksByTitleAndArtist Signed-off-by: Deluan <deluan@navidrome.org> * test: add unit tests for song matching functionality in provider Signed-off-by: Deluan <deluan@navidrome.org> * refactor: extract song matching functionality into its own file Signed-off-by: Deluan <deluan@navidrome.org> * docs: clarify similarSongsFallback function description in provider.go Signed-off-by: Deluan <deluan@navidrome.org> * refactor: initialize result slice for songs with capacity based on response length Signed-off-by: Deluan <deluan@navidrome.org> * refactor: simplify agent method calls for retrieving images and similar songs Signed-off-by: Deluan <deluan@navidrome.org> * refactor: simplify agent method calls for retrieving images and similar songs Signed-off-by: Deluan <deluan@navidrome.org> * refactor: remove outdated comments in GetSimilarSongs methods Signed-off-by: Deluan <deluan@navidrome.org> * fix: use composite key for song matches to handle duplicates by title and artist Signed-off-by: Deluan <deluan@navidrome.org> * refactor: consolidate expectations setup for similar songs tests Signed-off-by: Deluan <deluan@navidrome.org> * feat: add instant mix action to song context menu and update translations Signed-off-by: Deluan <deluan@navidrome.org> * fix(provider): handle unknown entity types in GetSimilarSongs Signed-off-by: Deluan <deluan@navidrome.org> * refactor: move playSimilar action to playbackActions and streamline song processing Signed-off-by: Deluan <deluan@navidrome.org> * format Signed-off-by: Deluan <deluan@navidrome.org> * feat: enhance instant mix functionality with loading notification and shuffle option Signed-off-by: Deluan <deluan@navidrome.org> * feat: implement fuzzy matching for similar songs based on configurable threshold Signed-off-by: Deluan <deluan@navidrome.org> * refactor: implement track matching with multiple specificity levels Signed-off-by: Deluan <deluan@navidrome.org> * refactor: enhance track matching by implementing unified scoring with specificity levels Signed-off-by: Deluan <deluan@navidrome.org> * feat: enhance deezer top tracks result with album Signed-off-by: Deluan <deluan@navidrome.org> * feat: enhance track matching with fuzzy album similarity for improved scoring Signed-off-by: Deluan <deluan@navidrome.org> * docs: document multi-phase song matching algorithm with detailed scoring and prioritization Signed-off-by: Deluan <deluan@navidrome.org> --------- Signed-off-by: Deluan <deluan@navidrome.org>
2026-01-25 16:16:43 -05:00
parent b455546fdf
commit 772d1f359b
29 changed files with 2082 additions and 525 deletions
@@ -192,6 +192,26 @@ func (l *lastfmAgent) GetArtistTopSongs(ctx context.Context, id, artistName, mbi
 	return res, nil
 }

+func (l *lastfmAgent) GetSimilarSongsByTrack(ctx context.Context, id, name, artist, mbid string, count int) ([]agents.Song, error) {
+	resp, err := l.callTrackGetSimilar(ctx, name, artist, count)
+	if err != nil {
+		return nil, err
+	}
+	if len(resp) == 0 {
+		return nil, agents.ErrNotFound
+	}
+	res := make([]agents.Song, 0, len(resp))
+	for _, t := range resp {
+		res = append(res, agents.Song{
+			Name:       t.Name,
+			MBID:       t.MBID,
+			Artist:     t.Artist.Name,
+			ArtistMBID: t.Artist.MBID,
+		})
+	}
+	return res, nil
+}
+
 var (
 	artistOpenGraphQuery = cascadia.MustCompile(`html > head > meta[property="og:image"]`)
 	artistIgnoredImage   = "2a96cbd8b46e442fc41c2b86b821562f" // Last.fm artist placeholder image name
@@ -290,6 +310,15 @@ func (l *lastfmAgent) callArtistGetTopTracks(ctx context.Context, artistName str
 	return t.Track, nil
 }

+func (l *lastfmAgent) callTrackGetSimilar(ctx context.Context, name, artist string, count int) ([]SimilarTrack, error) {
+	s, err := l.client.trackGetSimilar(ctx, name, artist, count)
+	if err != nil {
+		log.Error(ctx, "Error calling LastFM/track.getSimilar", "track", name, "artist", artist, err)
+		return nil, err
+	}
+	return s.Track, nil
+}
+
 func (l *lastfmAgent) getArtistForScrobble(track *model.MediaFile, role model.Role, displayName string) string {
 	if conf.Server.LastFM.ScrobbleFirstArtistOnly && len(track.Participants[role]) > 0 {
 		return track.Participants[role][0].Name