linkPostRequestWithFile<T extends Link> method

Future<RequestResult<T>> linkPostRequestWithFile<T extends Link>(T link, { GlobalKey<ScaffoldState>? globalKey, dynamic errorCallback()?, int timeout = 7, String fileFiled = "files", String dataField = "json", List<File>? files, })

Implementation

Future<RequestResult<T>> linkPostRequestWithFile<T extends Link>(T link,
    {GlobalKey<ScaffoldState>? globalKey,
    Function()? errorCallback,
    int timeout = 7,
    String fileFiled = "files",
    String dataField = "json",
    List<File>? files}) async {
  http.StreamedResponse response;
  try {
    MultipartRequest request =
        new http.MultipartRequest('POST', Uri.parse(serverUrl));
    request.fields[dataField] = jsonEncode(link.getSendJSON());

    if (files != null) {
      for (File file in files) {
        request.files
            .add(await http.MultipartFile.fromPath(fileFiled, file.path));
      }
    }

    response = await request.send();
  } on Exception catch (e) {
    Debug.debugging("HttpPost", "http request timeout $e");
    _showNetErrSnackBar(globalKey);
    if (errorCallback != null) errorCallback();
    return RequestResult(false, link);
  }

  if (response.statusCode == 200) {
    String bodyString = await response.stream.bytesToString();
    try {
      var json = jsonDecode(bodyString);
      link.receiveJSON(json);
      return RequestResult(true, link,
          result: json[BKConstants.BK_WORKING_RESULT]);
    } catch (e, stack) {
      String errorMessage =
          "HttpRequest receive error, error message:$e, response body:$bodyString"
          " link$link";
      Debug.debugging("HttpRequest", errorMessage);
      Debug.debugging("HttpRequest", stack.toString());
      _showNetErrSnackBar(globalKey);
    }
  } else {
    _showNetErrSnackBar(globalKey);
    Debug.debugging("HttpRequest", "network error");
  }
  return RequestResult(false, link);
}