public static TrainDataEntity GetDataModelFromInputString(string snNumber, string inputStr, out ushort serverComputedCrc)
{
inputStr = inputStr.StringCuttedBy("%");
var paramPositions =
Array.ConvertAll(ConfigurationManager.AppSettings["parameterPositions"].Split(','), int.Parse);
var dataModel = new TrainDataEntity();
// retrieve date, because it's in integer
dataModel.MeasurementDateTime = GetDateTime(inputStr.Substring(paramPositions[4] * 2, 12));
var byteArray = inputStr.SplitInParts(2).Select(s => byte.Parse(s, NumberStyles.HexNumber)).ToArray();
var index = 1;
dataModel.PackageNumber = ushort.Parse(snNumber);
dataModel.SystemSerialNumber = BitConverter.ToUInt16(byteArray, paramPositions[index++]);
dataModel.ProviderName = Encoding.Default.GetString(byteArray.SubArray(paramPositions[index++], 15)).StringCuttedBy("\0");
dataModel.IsSystemWorking = BitConverter.ToBoolean(byteArray, paramPositions[index++]);
// skipping date
index += 6;
dataModel.EnvironmentTemperature = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.Radiator1Temperature = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.Radiator2Temperature = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.FootstepTemperature = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.TurbineTemperature = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.OilTemperature = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.TransformatorTemperature = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.CabinTemperature = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.VoltageAkb = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.Heater1FuelConsumption = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.Heater2FuelConsumption = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.AirHeaterFuelConsumption = BitConverter.ToSingle(byteArray, paramPositions[index++]);
dataModel.Heater1Flags = BitConverter.ToUInt16(byteArray, paramPositions[index++]);
dataModel.Heater2Flags = BitConverter.ToUInt16(byteArray, paramPositions[index++]);
dataModel.AirHeaterFlags = BitConverter.ToUInt16(byteArray, paramPositions[index++]);
dataModel.SystemFlags = byteArray[paramPositions[index++]];
dataModel.CrcData = BitConverter.ToUInt16(byteArray, paramPositions[index]);
serverComputedCrc = Crc16Calculator.ComputeCrc16Bit(byteArray, byteArray.Length - 2);
return(dataModel);
}
// PUT: api/Trains
public HttpResponseMessage Put()
{
// Достать из зарпоса контент
var content = Request.Content;
// Разделить контент на 2 части
var contentStrings = content.ReadAsStringAsync().Result.Split('=');
// Создать модель данных
TrainDataEntity model = new TrainDataEntity();
var newId = -1;
ushort serverCrc;
// Попробовать разобрать контент и преобразовать в объект
try
{
model = ParameterParser.GetDataModelFromInputString(
contentStrings[0].Substring(4),
contentStrings[1], out serverCrc);
// Если CRC совпадает - сохранить данные в базу
if (serverCrc == model.CrcData)
{
newId = _repository.Save(model);
}
}
catch (Exception exception)
{
serverCrc = 0;
}
// Отправить ответ источнику запроса
var response = Request.CreateResponse(HttpStatusCode.OK, new ResponseModel
{
Message = $"Is successful received: {newId != -1}; computed CRC: {serverCrc}; actual CRC: {model.CrcData}; new Id is: {newId}"
});
return(response);
}