Can listen to tracks in the browser

model/track.go

@@ -46,6 +46,33 @@ func LoadTracks(cfg *config.Config) (tracks []*Track, err error) {
 	return
 }
 
+func (t *Track) Open() (*os.File, error) {
+	return os.Open(t.Path)
+}
+
+func (t *Track) Size() (int64, error) {
+	if st, err := os.Stat(t.Path); err != nil {
+		return 0, err
+	} else {
+		return st.Size(), err
+	}
+}
+
+func (t *Track) ContentType() string {
+	switch filepath.Ext(t.Path) {
+	case ".flac":
+		return "audio/flac"
+	case ".mp3":
+		return "audio/mpeg"
+	case ".ogg":
+		return "audio/ogg"
+	case ".wav":
+		return "audio/vnd.wav"
+	}
+
+	return "application/octet-stream"
+}
+
 func (t *Track) Rename(newName string) error {
 	newPath := filepath.Join(filepath.Dir(t.Path), newName+filepath.Ext(t.Path))