ye

internal/transfer/transfer.go

@@ -20,11 +20,12 @@ type TrackMatcher interface {
 }
 
 type Config struct {
-	DryRun          bool
-	PublicPlaylists bool
-	Concurrency     int
-	LikedName       string
-	Progress        ProgressFunc
+	DryRun           bool
+	PublicPlaylists  bool
+	Concurrency      int
+	LikedName        string
+	TargetPlaylistID int64 // when set, add tracks to this existing playlist instead of creating a new one
+	Progress         ProgressFunc
 }
 
 type ProgressFunc func(message string)
@@ -87,14 +88,21 @@ func processPlaylist(ctx context.Context, cfg Config, writer QobuzWriter, matche
 		return res
 	}
 
-	notify(cfg, fmt.Sprintf("Transfer %d/%d creating playlist: %s", playlistIndex, playlistTotal, shortName(pl.Name)))
-	playlistID, err := writer.CreatePlaylist(ctx, pl.Name, sanitizeDescription(pl.Description), cfg.PublicPlaylists)
-	if err != nil {
-		res.Errors = append(res.Errors, fmt.Sprintf("create playlist: %v", err))
-		notify(cfg, fmt.Sprintf("Transfer %d/%d failed creating playlist: %s", playlistIndex, playlistTotal, shortName(pl.Name)))
-		return res
+	var playlistID int64
+	if cfg.TargetPlaylistID > 0 {
+		playlistID = cfg.TargetPlaylistID
+		res.TargetID = playlistID
+	} else {
+		notify(cfg, fmt.Sprintf("Transfer %d/%d creating playlist: %s", playlistIndex, playlistTotal, shortName(pl.Name)))
+		created, err := writer.CreatePlaylist(ctx, pl.Name, sanitizeDescription(pl.Description), cfg.PublicPlaylists)
+		if err != nil {
+			res.Errors = append(res.Errors, fmt.Sprintf("create playlist: %v", err))
+			notify(cfg, fmt.Sprintf("Transfer %d/%d failed creating playlist: %s", playlistIndex, playlistTotal, shortName(pl.Name)))
+			return res
+		}
+		playlistID = created
+		res.TargetID = playlistID
 	}
-	res.TargetID = playlistID
 
 	ids := uniqueIDs(matched)
 	if len(ids) == 0 {