parse method

@override Future<Metadata> parse(String path, [ Map<String, dynamic>? options ])

Implementation

@override
Future<Metadata> parse(String path, [Map<String, dynamic>? options]) async {
  final rawMetadata = await invokeGetMetadata(path);

  final title = rawMetadata['title'] as String?;
  final album = rawMetadata['album'] as String?;
  final artist = rawMetadata['artist'] as String?;
  final genre = rawMetadata['genre'] as String?;
  final composer = rawMetadata['composer'] as String?;
  final year = rawMetadata['year'] as int?;

  Duration? duration;
  final durationSec = rawMetadata['duration'] as double?;
  if (durationSec != null) {
    final durationUs = durationSec * 1e6;
    duration = Duration(microseconds: durationUs.toInt());
  }

  final trackValue = rawMetadata['track'];
  int? trackNumber;
  int? trackCount;

  if (trackValue != null) {
    // track number will be a number or '/' separated number which is like '1/5'
    final trackParsed = trackValue.split('/');
    switch (trackParsed.length) {
      case 0:
        break;
      case 1:
        trackNumber = int.tryParse(trackParsed[0]);
        break;
      default:
        trackNumber = int.tryParse(trackParsed[0]);
        trackCount = int.tryParse(trackParsed[1]);
        break;
    }
  }

  return Metadata(
    path: path,
    duration: duration,
    title: title,
    album: album,
    artist: artist,
    genre: genre,
    composer: composer,
    trackNumber: trackNumber,
    trackCount: trackCount,
    year: year,
    artwork: invokeGetArtwork(path),
  );
}