public Charge CalculateSubsidy(Volume volume, Tariff tariff)
{
var currentCharge = new Charge();
if (IsDataCorrect(tariff, volume) == true)
{
OnNotify?.Invoke(this, $"Расчёт начат в {DateTime.Now}");
currentCharge.Value = volume.Value * tariff.Value;
currentCharge.HouseId = tariff.HouseId;
currentCharge.ServiceId = tariff.ServiceId;
currentCharge.Month = volume.Month;
OnNotify?.Invoke(this, $"Расчёт успешно завершён в {DateTime.Now}");
return(currentCharge);
}
OnException?.Invoke(this, new Tuple <string, Exception>("some message", _ex));
return(null);
}
public Charge CalculateSubsidy(Volume volumes, Tariff tariff)
{
OnNotify?.Invoke(this, $"Расчёт начат в {DateTime.UtcNow:G}");
if (volumes.ServiceId != tariff.ServiceId)
{
InvalidInput("ServiceId", new Exception("Идентификаторы услуг у объёма и у тарифа не совпадают!"));
}
if (volumes.HouseId != tariff.HouseId)
{
InvalidInput("HouseId", new Exception("Идентификаторы домов у объёма и у тарифа не совпадают!"));
}
if (!(tariff.PeriodBegin.Month <= volumes.Month.Month && volumes.Month.Month <= tariff.PeriodEnd.Month))
{
InvalidInput("Month", new Exception("Месяц объёма не входит в период действия тарифа!"));
}
if (tariff.Value <= 0)
{
InvalidInput("Tariff Value", new Exception("Нулевое или отрицательное значение тарифа!"));
}
if (volumes.Value < 0)
{
InvalidInput("Volumes Value", new Exception("Отрицательное значение объема!"));
}
Charge charge = null;
try
{
charge = new Charge();
charge.ServiceId = volumes.ServiceId;
charge.HouseId = volumes.HouseId;
charge.Month = volumes.Month;
charge.Value = volumes.Value * tariff.Value;
}
catch (Exception ex)
{
OnException?.Invoke(this, new Tuple <string, Exception>("Subsidy calculation error! Message: ", ex));
throw;
}
OnNotify?.Invoke(this, $"Расчёт успешно завершён в {DateTime.UtcNow:G}");
return(charge);
}
public Charge CalculateSubsidy(Volume volumes, Tariff tariff)
{
OnNotify?.Invoke(this, $"Расчёт начат {DateTime.Now}");
if (volumes.HouseId != tariff.HouseId)
{
OnException?.Invoke(this, new Tuple <string, Exception>(null, new Exception("Error in HouseId")));
throw new Exception("Error in HouseId");
}
else if (volumes.ServiceId != tariff.ServiceId)
{
OnException?.Invoke(this, new Tuple <string, Exception>(null, new Exception("Error in ServiceId")));
throw new Exception("Error in ServiceId");
}
else if (volumes.Month <= tariff.PeriodBegin || volumes.Month >= tariff.PeriodEnd)
{
OnException?.Invoke(this, new Tuple <string, Exception>(null, new Exception("Error in Mounth")));
throw new Exception("Error in Mounth");
}
else if (tariff.Value <= 0)
{
OnException?.Invoke(this, new Tuple <string, Exception>(null, new Exception("Error in tariff")));
throw new Exception("Error in tariff value");
}
else if (volumes.Value < 0)
{
OnException?.Invoke(this, new Tuple <string, Exception>(null, new Exception("Error in volume")));
throw new Exception("Error in volume value");
}
else
{
OnNotify?.Invoke(this, $"Расчёт закончен {DateTime.Now}");
return(new Charge()
{
ServiceId = volumes.ServiceId,
HouseId = volumes.HouseId,
Month = volumes.Month,
Value = volumes.Value * tariff.Value
});
}
}
static void Main(string[] args)
{
Tariff tariff = new Tariff()
{
ServiceId = 1, HouseId = 1, PeriodBegin = DateTime.UtcNow, PeriodEnd = DateTime.UtcNow, Value = -10
};
Volume volume = new Volume()
{
ServiceId = 1, HouseId = 1, Month = DateTime.UtcNow, Value = 1000
};
SubsidyCalculation subsidyCalculation = new SubsidyCalculation();
try {
Charge charge = subsidyCalculation.CalculateSubsidy(volume, tariff);
Console.WriteLine("{0} {1} {2} {3}", charge.ServiceId, charge.HouseId, charge.Month, charge.Value);
}
catch (Exception ex)
{
Console.WriteLine("Error! Message: " + ex.Message);
}
Console.ReadLine();
}
public Charge CalculateSubsidy(Volume volumes, Tariff tariff)
{
try
{
Check(volumes, tariff);
OnNotify.Invoke(this, $"Расчет начат в {DateTime.Now:T}");
Charge charge = new Charge
{
HouseId = volumes.HouseId,
Month = volumes.Month,
ServiceId = volumes.ServiceId,
Value = volumes.Value * tariff.Value
};
OnNotify.Invoke(this, $"Расчет успешно завершен в {DateTime.Now:T}");
return(charge);
}
catch (Exception e)
{
OnException.Invoke(this, new Tuple <string, Exception>("Ошибка", e));
throw;
}
}
public Charge CalculateSubsidy(Volume volumes, Tariff tariff)
{
Notify($"Расчёт начат в {DateTime.Now}");
try
{
if (
Validate((volumes, tariff), x => x.Item1 != null, "Volume must not be null")
& Validate((volumes, tariff), x => x.Item2 != null, "Tariff must not be null") &&
Validate((volumes, tariff), x => x.Item2.Value > 0, "Tariff value must be positive")
& Validate((volumes, tariff), x => x.Item1.Value >= 0, "Volume value must be 0 or greater")
& Validate((volumes, tariff), x => x.Item1.HouseId == x.Item2.HouseId, "HouseId not equal")
& Validate((volumes, tariff), x => x.Item1.ServiceId == x.Item2.ServiceId, "ServiceId not equal")
& Validate((volumes, tariff), x => x.Item1.Month >= x.Item2.PeriodBegin & x.Item1.Month <= x.Item2.PeriodEnd, "Volume month not included in tariff"))
{
Notify($"Расчёт успешно завершен в {DateTime.Now}");
return(new Charge(volumes.ServiceId, volumes.HouseId, DateTime.Now, volumes.Value * tariff.Value));
}
else
{
return(null);
}
}
static void Main(string[] args)
{
var subsidyCalculation = new SubsidyCalculation();
subsidyCalculation.OnException += WriteMessageAboutException;
subsidyCalculation.OnNotify += WriteNotificationAboutCalculation;
var volume1 = new Volume()
{
HouseId = 1,
ServiceId = 1,
Month = new DateTime(2021, 1, 1),
Value = 10
};
var tariff1 = new Tariff()
{
HouseId = 1,
ServiceId = 1,
PeriodBegin = new DateTime(2021, 1, 1),
PeriodEnd = new DateTime(2021, 3, 31),
Value = 2
};
subsidyCalculation.CalculateSubsidy(volume1, tariff1);
}
static void Main(string[] args)
{
Volume[] volume = new Volume[5];
///Данные по использованному объему(подходящие)
volume[0] = new Volume()
{
ServiceId = 1,
HouseId = 1,
Month = new DateTime(2021, 2, 27),
Value = 10
};
///Данные по использованному объему с некорректным идентификатором услуги
volume[1] = new Volume()
{
ServiceId = 2,
HouseId = 1,
Month = new DateTime(2021, 2, 27),
Value = 11
};
///Данные по использованному объему с некорректным идентификатором дома
volume[2] = new Volume()
{
ServiceId = 1,
HouseId = 1,
Month = new DateTime(2021, 2, 27),
Value = 12
};
///Данные по использованному объему с некорректным месяцем
volume[3] = new Volume()
{
ServiceId = 1,
HouseId = 1,
Month = new DateTime(2021, 3, 27),
Value = 13
};
///Данные по использованному объему с некорректным значением
volume[4] = new Volume()
{
ServiceId = 1,
HouseId = 1,
Month = new DateTime(2021, 2, 27),
Value = -14
};
Tariff[] tariff = new Tariff[2];
///Данные подходящего тарифа
tariff[0] = new Tariff()
{
ServiceId = 1,
HouseId = 1,
PeriodBegin = new DateTime(2021, 2, 1),
PeriodEnd = new DateTime(2021, 2, 28),
Value = 100
};
///Данные тарифа со значением 0
tariff[1] = new Tariff()
{
ServiceId = 1,
HouseId = 1,
PeriodBegin = new DateTime(2021, 2, 1),
PeriodEnd = new DateTime(2021, 2, 28),
Value = 0
};
///Расчет
SubsidyCalculation Subsidy = new SubsidyCalculation();
Subsidy.OnNotify += dispOnNotify;
Subsidy.OnException += dispOnException;
Charge charge;
charge = Subsidy.CalculateSubsidy(volume[0], tariff[0]);
Console.WriteLine(charge.Value);
}
public Charge CalculateSubsidy(Volume volumes, Tariff tariff)
{
}
