start method

Implementation

Future<void> start() async {
  if (_cancelToken != null) {
    return;
  }

  _cancelToken = CancelToken();

  progress.value = 0;

  try {
    file.value = await PlatformUtils.download(
      url,
      url.split('/').lastOrNull ?? 'file',
      null,
      onReceiveProgress: (a, b) {
        if (b != 0) {
          progress.value = a / b;
        }
      },
      cancelToken: _cancelToken,
    );

    if (file.value != null) {
      progress.value = 1;
      MessagePopup.success('label_file_downloaded'.l10n);
    }
  } finally {
    progress.value = 0;
  }
}