prepareSubtitles method

Implementation

@override
Future<List<SubtitleItem>> prepareSubtitles({
  required AppModel appModel,
  required WidgetRef ref,
  required MediaItem item,
}) async {
  List<SubtitleItem> items = [];

  Map<String, dynamic> intentExtra = jsonDecode(item.extra ?? '{}');

  List<String>? fileNames;
  List<String>? subtitleNames;

  if (intentExtra['subs'] != null && intentExtra['subs.name'] != null) {
    fileNames ??= List<String>.from(intentExtra['subs']);
    subtitleNames ??= List<String>.from(intentExtra['subs.name']);
  }

  if (fileNames == null && intentExtra['subtitles_location'] != null) {
    fileNames = [intentExtra['subtitles_location']];
    subtitleNames = ['External'];
  }

  fileNames ??= [];
  subtitleNames ??= [];

  for (int i = 0; i < fileNames.length; i++) {
    String fileName = fileNames[i];
    String subtitleName = subtitleNames[i];

    String temporaryDirectoryPath = (await getTemporaryDirectory()).path;
    String temporaryFileName =
        'jidoujisho-${DateFormat('yyyyMMddTkkmmss').format(DateTime.now())}';

    try {
      File file = File('$temporaryDirectoryPath/$temporaryFileName.ass');

      http.Response request = await http.get(Uri.parse(fileName));
      Uint8List bytes = request.bodyBytes;
      await file.writeAsBytes(bytes);
      SubtitleItem? subtitleItem = await SubtitleUtils.subtitlesFromFile(
        file: file,
        metadata: subtitleName,
        source: fileName,
        type: SubtitleItemType.webSubtitle,
      );
      items.add(subtitleItem);
    } catch (e) {
      debugPrint('$e');
    }
  }

  String? preferredFilename;
  if (intentExtra['subs.enable'] != null) {
    List<String> enabledSubtitles =
        List<String>.from(intentExtra['subs.enable']);
    if (enabledSubtitles.isNotEmpty) {
      preferredFilename = enabledSubtitles.first;
    }
  }

  SubtitleItem? preferredItem =
      items.firstWhereOrNull((item) => preferredFilename == item.source);

  items.remove(preferredItem);
  if (preferredItem != null) {
    items.insert(0, preferredItem);
  }

  return items;
}