unarchive method

DownloadServiceItem unarchive(DownloadServiceItem item, String downPath)

解压

Implementation

DownloadServiceItem unarchive(DownloadServiceItem item, String downPath) {
  _log('unarchive 解压 path:${item.h5Path} zip:${item.zipUrl}');
  Directory saveDirct =
      LocalServerConfiguration.getCurrentZipPathSyncDirectory(item.zipUrl);
  final zipFile = File(downPath);
  if (!zipFile.existsSync()) {
    throw Exception('Local server 下载包文件路径不存在：$downPath');
  }
  List<int> bytes = zipFile.readAsBytesSync();
  Archive archive = ZipDecoder().decodeBytes(bytes);

  try {
    for (final file in archive) {
      final filename = file.name;
      if (file.isFile) {
        final data = file.content as List<int>;
        String filePath = '${saveDirct.path}/$filename';
        File(filePath)
          ..createSync(recursive: true)
          ..writeAsBytesSync(data);
        item.filePath.add(filename);
      } else {
        Directory('${saveDirct.path}/$filename').create(recursive: true);
      }
    }
    item.loadState = LoadStateType.success;
    // 清理之前的缓存
    File oldfile = File(downPath);
    if (oldfile.existsSync()) {
      oldfile.deleteSync();
    }
    _log('unarchive 解压成功');
    return item;
  } catch (e) {
    _log(
        'unarchive 解压失败 item: ${item.toJson().toString()}  downPath: $downPath  err: $e');
    rethrow;
  }
}