uploadNewImagesOrFiles<DataT extends Data> method

Implementation

RequestAndParser<http.BaseResponse, String?>
    uploadNewImagesOrFiles<DataT extends Data>(
  DataT data,
  List<XFile> files,
) {
  debugPrint('uploading images ${files.map((e) => e.name)}');
  var jsonData = data.toJson();
  final rd = RequestData.fromFiles(
    _uploadImage_r,
    json: {
      'type': Helper.getIdentifierFromData(data),
      'data': json.encode(jsonData),
    },
    multipartFiles: files,
  );

  parser(http.BaseResponse res) async {
    if (res.statusCode ~/ 100 != 2) {
      debugPrint('image uploading not ok: ${res.statusCode.toString()}');
      throw BackendCommunicationException(
          'we need a 2xx, but got ${res.statusCode}');
    }
    return (res.runtimeType == http.Response)
        ? (res as http.Response?)?.body //meh
        : await (res as http.StreamedResponse?)?.stream.bytesToString();
  }

  return RequestAndParser(rd: rd, parser: parser);
}