getCurrentPeriod method

Future<String> getCurrentPeriod()

Implementation

Future<String> getCurrentPeriod() async {
  String currentPeriod = "";
  Completer<String> _completer = new Completer<String>();

  Map<String, dynamic> mapParams;

  try {
    DnaGetEpochRequest dnaGetEpochRequest;
    DnaGetEpochResponse dnaGetEpochResponse;
    if (this.nodeType == DEMO_NODE) {
      currentPeriod = DM_EPOCH_CURRENT_PERIOD;
    } else {
      mapParams = {
        'method': DnaGetEpochRequest.METHOD_NAME,
        'params': [],
        'id': 101,
        'key': this.keyApp
      };

      if (this.nodeType == NORMAL_VPS_NODE) {
        SSHClientStatus sshClientStatus;
        sshClientStatus = await VpsUtil().connectVps(this.apiUrl, keyApp);
        if (sshClientStatus.sshClientStatus) {
          sshClient = sshClientStatus.sshClient;
        }
        var response = await ssh.HttpClientImpl(
            clientFactory: () =>
                ssh.SSHTunneledBaseClient(sshClientStatus.sshClient)).request(
            this.apiUrl,
            method: 'POST',
            data: jsonEncode(mapParams),
            headers: requestHeaders);
        if (response.status == 200) {
          dnaGetEpochResponse = dnaGetEpochResponseFromJson(response.text);
          if (dnaGetEpochResponse.result != null) {
            currentPeriod = dnaGetEpochResponse.result.currentPeriod;
          } else {
            currentPeriod = EpochPeriod.None;
          }
        }
      } else {
        dnaGetEpochRequest = DnaGetEpochRequest.fromJson(mapParams);
        String body = json.encode(dnaGetEpochRequest.toJson());
        http.Response responseHttp = await http.post(Uri.parse(this.apiUrl),
            body: body, headers: requestHeaders);
        if (responseHttp.statusCode == 200) {
          dnaGetEpochResponse =
              dnaGetEpochResponseFromJson(responseHttp.body);
          if (dnaGetEpochResponse.result != null) {
            currentPeriod = dnaGetEpochResponse.result.currentPeriod;
          } else {
            currentPeriod = EpochPeriod.None;
          }
        }
      }
    }
  } catch (e) {
    logger.e(e.toString());
    currentPeriod = EpochPeriod.None;
  }

  _completer.complete(currentPeriod);
  return _completer.future;
}