fix(scanner): improve M3U playlist import times (#2706)

scanner/playlist_importer.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	"time"
 
 	"github.com/mattn/go-zglob"
 	"github.com/navidrome/navidrome/conf"
@@ -36,6 +37,7 @@ func (s *playlistImporter) processPlaylists(ctx context.Context, dir string) int
 		return count
 	}
 	for _, f := range files {
+		started := time.Now()
 		if strings.HasPrefix(f.Name(), ".") {
 			continue
 		}
@@ -47,9 +49,9 @@ func (s *playlistImporter) processPlaylists(ctx context.Context, dir string) int
 			continue
 		}
 		if pls.IsSmartPlaylist() {
-			log.Debug("Imported smart playlist", "name", pls.Name, "lastUpdated", pls.UpdatedAt, "path", pls.Path, "numTracks", pls.SongCount)
+			log.Debug("Imported smart playlist", "name", pls.Name, "lastUpdated", pls.UpdatedAt, "path", pls.Path, "elapsed", time.Since(started))
 		} else {
-			log.Debug("Imported playlist", "name", pls.Name, "lastUpdated", pls.UpdatedAt, "path", pls.Path, "numTracks", pls.SongCount)
+			log.Debug("Imported playlist", "name", pls.Name, "lastUpdated", pls.UpdatedAt, "path", pls.Path, "numTracks", len(pls.Tracks), "elapsed", time.Since(started))
 		}
 		s.cacheWarmer.PreCache(pls.CoverArtID())
 		count++

scanner/playlist_importer_test.go

@@ -77,6 +77,15 @@ func (r *mockedMediaFile) FindByPath(s string) (*model.MediaFile, error) {
 	}, nil
 }
 
+func (r *mockedMediaFile) FindByPaths(paths []string) (model.MediaFiles, error) {
+	var mfs model.MediaFiles
+	for _, path := range paths {
+		mf, _ := r.FindByPath(path)
+		mfs = append(mfs, *mf)
+	}
+	return mfs, nil
+}
+
 type mockedPlaylist struct {
 	model.PlaylistRepository
 }