submitShortAnswers method

Future<FlipSubmitShortAnswersResponse> submitShortAnswers(ValidationSessionInfo validationSessionInfo)

Implementation

Future<FlipSubmitShortAnswersResponse> submitShortAnswers(
    ValidationSessionInfo validationSessionInfo) async {
  Completer<FlipSubmitShortAnswersResponse> _completer =
      new Completer<FlipSubmitShortAnswersResponse>();

  if (validationSessionInfo == null) {
    _completer.complete(null);
    return _completer.future;
  }

  FlipSubmitShortAnswersRequest flipSubmitShortAnswersRequest =
      new FlipSubmitShortAnswersRequest();
  FlipSubmitShortAnswersResponse flipSubmitShortAnswersResponse;

  try {
    ParamShortAnswer answers = new ParamShortAnswer();
    List<ShortAnswer> listAnswers = List<ShortAnswer>.empty(growable: true);
    for (int i = 0;
        i < validationSessionInfo.listSessionValidationFlips.length;
        i++) {
      ShortAnswer answer = new ShortAnswer(
          answer:
              validationSessionInfo.listSessionValidationFlips[i].answerType,
          hash: validationSessionInfo.listSessionValidationFlips[i].hash);
      listAnswers.add(answer);
    }

    answers.epoch = 0;
    answers.nonce = 0;
    answers.answers = listAnswers;

    List<ParamShortAnswer> params =
        List<ParamShortAnswer>.empty(growable: true);
    params.add(answers);
    flipSubmitShortAnswersRequest.method =
        FlipSubmitShortAnswersRequest.METHOD_NAME;
    flipSubmitShortAnswersRequest.params = params;
    flipSubmitShortAnswersRequest.id = 101;
    flipSubmitShortAnswersRequest.key = keyApp;

    if (this.nodeType == NORMAL_VPS_NODE) {
      SSHClientStatus sshClientStatus;
      sshClientStatus = await VpsUtil().connectVps(apiUrl, keyApp);
      if (sshClientStatus.sshClientStatus) {
        sshClient = sshClientStatus.sshClient;
      }
      var response = await ssh.HttpClientImpl(
          clientFactory: () =>
              ssh.SSHTunneledBaseClient(sshClientStatus.sshClient)).request(
          apiUrl,
          method: 'POST',
          data: jsonEncode(mapParams),
          headers: requestHeaders);
      if (response.status == 200) {
        flipSubmitShortAnswersResponse =
            flipSubmitShortAnswersResponseFromJson(response.text);
      }
    } else {
      body = json.encode(flipSubmitShortAnswersRequest.toJson());
      logger.i(new JsonEncoder.withIndent('  ')
          .convert(flipSubmitShortAnswersRequest));
      responseHttp = await http.post(Uri.parse(this.apiUrl),
          body: body, headers: requestHeaders);
      if (responseHttp.statusCode == 200) {
        flipSubmitShortAnswersResponse =
            flipSubmitShortAnswersResponseFromJson(responseHttp.body);
      }
    }
  } catch (e) {
    logger.e(e.toString());
  }
  _completer.complete(flipSubmitShortAnswersResponse);
  return _completer.future;
}