package subsonicimport ("context""fmt""math""net/http""time""github.com/navidrome/navidrome/core/scrobbler""github.com/navidrome/navidrome/log""github.com/navidrome/navidrome/model""github.com/navidrome/navidrome/model/request""github.com/navidrome/navidrome/server/events""github.com/navidrome/navidrome/server/subsonic/responses""github.com/navidrome/navidrome/utils/req")func (api *Router) SetRating(r *http.Request) (*responses.Subsonic, error) {p := req.Params(r)id, err := p.String("id")if err != nil {return nil, err}rating, err := p.Int("rating")if err != nil {return nil, err}log.Debug(r, "Setting rating", "rating", rating, "id", id)err = api.setRating(r.Context(), id, rating)if err != nil {log.Error(r, err)return nil, err}return newResponse(), nil}func (api *Router) setRating(ctx context.Context, id string, rating int) error {var repo model.AnnotatedRepositoryvar resource stringentity, err := model.GetEntityByID(ctx, api.ds, id)if err != nil {return err}switch entity.(type) {case *model.Artist:repo = api.ds.Artist(ctx)resource = "artist"case *model.Album:repo = api.ds.Album(ctx)resource = "album"default:repo = api.ds.MediaFile(ctx)resource = "song"}err = repo.SetRating(rating, id)if err != nil {return err}event := &events.RefreshResource{}api.broker.SendMessage(ctx, event.With(resource, id))return nil}func (api *Router) Star(r *http.Request) (*responses.Subsonic, error) {p := req.Params(r)ids, _ := p.Strings("id")albumIds, _ := p.Strings("albumId")artistIds, _ := p.Strings("artistId")if len(ids)+len(albumIds)+len(artistIds) == 0 {return nil, newError(responses.ErrorMissingParameter, "Required id parameter is missing")}ids = append(ids, albumIds...)ids = append(ids, artistIds...)err := api.setStar(r.Context(), true, ids...)if err != nil {return nil, err}return newResponse(), nil}func (api *Router) Unstar(r *http.Request) (*responses.Subsonic, error) {p := req.Params(r)ids, _ := p.Strings("id")albumIds, _ := p.Strings("albumId")artistIds, _ := p.Strings("artistId")if len(ids)+len(albumIds)+len(artistIds) == 0 {return nil, newError(responses.ErrorMissingParameter, "Required id parameter is missing")}ids = append(ids, albumIds...)ids = append(ids, artistIds...)err := api.setStar(r.Context(), false, ids...)if err != nil {return nil, err}return newResponse(), nil}func (api *Router) setStar(ctx context.Context, star bool, ids ...string) error {if len(ids) == 0 {return nil}log.Debug(ctx, "Changing starred", "ids", ids, "starred", star)if len(ids) == 0 {log.Warn(ctx, "Cannot star/unstar an empty list of ids")return nil}event := &events.RefreshResource{}err := api.ds.WithTxImmediate(func(tx model.DataStore) error {for _, id := range ids {exist, err := tx.Album(ctx).Exists(id)if err != nil {return err}if exist {err = tx.Album(ctx).SetStar(star, id)if err != nil {return err}event = event.With("album", id)continue}exist, err = tx.Artist(ctx).Exists(id)if err != nil {return err}if exist {err = tx.Artist(ctx).SetStar(star, id)if err != nil {return err}event = event.With("artist", id)continue}err = tx.MediaFile(ctx).SetStar(star, id)if err != nil {return err}event = event.With("song", id)}api.broker.SendMessage(ctx, event)return nil})if err != nil {log.Error(ctx, err)return err}return nil}func (api *Router) Scrobble(r *http.Request) (*responses.Subsonic, error) {p := req.Params(r)ids, err := p.Strings("id")if err != nil {return nil, err}times, _ := p.Times("time")if len(times) > 0 && len(times) != len(ids) {return nil, newError(responses.ErrorGeneric, "Wrong number of timestamps: %d, should be %d", len(times), len(ids))}submission := p.BoolOr("submission", true)position := p.IntOr("position", 0)ctx := r.Context()if submission {err := api.scrobblerSubmit(ctx, ids, times)if err != nil {log.Error(ctx, "Error registering scrobbles", "ids", ids, "times", times, err)}} else {err := api.scrobblerNowPlaying(ctx, ids[0], position)if err != nil {log.Error(ctx, "Error setting NowPlaying", "id", ids[0], err)}}return newResponse(), nil}func (api *Router) scrobblerSubmit(ctx context.Context, ids []string, times []time.Time) error {var submissions []scrobbler.Submissionlog.Debug(ctx, "Scrobbling tracks", "ids", ids, "times", times)for i, id := range ids {var t time.Timeif len(times) > 0 {t = times[i]} else {t = time.Now()}submissions = append(submissions, scrobbler.Submission{TrackID: id, Timestamp: t})}return api.scrobbler.Submit(ctx, submissions)}func (api *Router) scrobblerNowPlaying(ctx context.Context, trackId string, position int) error {mf, err := api.ds.MediaFile(ctx).Get(trackId)if err != nil {return err}if mf == nil {return fmt.Errorf(`ID "%s" not found`, trackId)}player, _ := request.PlayerFrom(ctx)username, _ := request.UsernameFrom(ctx)client, _ := request.ClientFrom(ctx)clientId, ok := request.ClientUniqueIdFrom(ctx)if !ok {clientId = player.ID}log.Info(ctx, "Now Playing", "title", mf.Title, "artist", mf.Artist, "user", username, "player", player.Name, "position", position)return api.scrobbler.ReportPlayback(ctx, scrobbler.ReportPlaybackParams{MediaId: trackId,PositionMs: int64(position) * 1000,State: scrobbler.StatePlaying,PlaybackRate: 1.0,ClientId: clientId,ClientName: client,})}func (api *Router) ReportPlayback(r *http.Request) (*responses.Subsonic, error) {p := req.Params(r)mediaId, err := p.String("mediaId")if err != nil {return nil, err}mediaType, err := p.String("mediaType")if err != nil {return nil, err}positionMs, err := p.Int64("positionMs")if err != nil {return nil, err}if positionMs < 0 {return nil, newError(responses.ErrorGeneric, "positionMs must be non-negative")}state, err := p.String("state")if err != nil {return nil, err}if !scrobbler.ValidStates[state] {return nil, newError(responses.ErrorGeneric, "Invalid state: %s", state)}playbackRate := p.Float64Or("playbackRate", 1.0)if math.IsNaN(playbackRate) || math.IsInf(playbackRate, 0) || playbackRate <= 0 {return nil, newError(responses.ErrorGeneric, "playbackRate must be a finite positive number")}ignoreScrobble := p.BoolOr("ignoreScrobble", false)ctx := r.Context()if mediaType != "song" {log.Warn(ctx, "reportPlayback received unsupported mediaType", "mediaType", mediaType, "mediaId", mediaId)}player, _ := request.PlayerFrom(ctx)client, _ := request.ClientFrom(ctx)clientId, ok := request.ClientUniqueIdFrom(ctx)if !ok {clientId = player.ID}err = api.scrobbler.ReportPlayback(ctx, scrobbler.ReportPlaybackParams{MediaId: mediaId,PositionMs: positionMs,State: state,PlaybackRate: playbackRate,IgnoreScrobble: ignoreScrobble,ClientId: clientId,ClientName: client,})if err != nil {log.Error(ctx, "Error in ReportPlayback", "mediaId", mediaId, "state", state, err)return nil, err}return newResponse(), nil}