Remove tracks from Playlist's GetAll

model/playlist.go

@@ -14,7 +14,7 @@ type Playlist struct {
 	SongCount int        `json:"songCount"`
 	Owner     string     `json:"owner"`
 	Public    bool       `json:"public"`
-	Tracks    MediaFiles `json:"tracks"`
+	Tracks    MediaFiles `json:"tracks,omitempty"`
 	CreatedAt time.Time  `json:"createdAt"`
 	UpdatedAt time.Time  `json:"updatedAt"`
 }

persistence/playlist_repository.go

@@ -74,11 +74,6 @@ func (r *playlistRepository) GetAll(options ...model.QueryOptions) (model.Playli
 	sel := r.newSelect(options...).Columns("*")
 	var res model.Playlists
 	err := r.queryAll(sel, &res)
-	if err != nil {
-		return nil, err
-	}
-	// TODO Maybe the tracks are not required when retrieving all playlists?
-	err = r.loadAllTracks(res)
 	return res, err
 }
 
@@ -128,15 +123,6 @@ func (r *playlistRepository) updateTracks(id string, tracks model.MediaFiles) er
 	return err
 }
 
-func (r *playlistRepository) loadAllTracks(all model.Playlists) error {
-	for i := range all {
-		if err := r.loadTracks(&all[i]); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
 func (r *playlistRepository) loadTracks(pls *model.Playlist) (err error) {
 	tracksQuery := Select().From("playlist_tracks").
 		LeftJoin("annotation on ("+