public void ReturnCorrectVehicleRate_When_VehicleCatCIsPassed(VehicleCategory vehicleCategory)
{
var expectedResult = new VehicleRatesModel
{
DayLightRates = 12,
NightlyRates = 8
};
VehicleRatesModel actualResult = _vehicleRatesService.GetRatesByVehicleCategory(vehicleCategory);
Assert.AreEqual(expectedResult.DayLightRates, actualResult.DayLightRates);
Assert.AreEqual(expectedResult.NightlyRates, actualResult.NightlyRates);
}
public VehicleCalculationResultModel CalculateFee(VehicleFeeCalculationDTO vehicleFeeCalculationDTO)
{
Vehicle vehicle =
_lab08ParkingLotUnitOfWork.VehicleRepository.GetAll().FirstOrDefault(v => v.Number == vehicleFeeCalculationDTO.VehicleNumber);
if (vehicle == null)
{
return(new VehicleCalculationResultModel()
{
Fee = 0,
Message = "Vehicle not found!"
});
}
VehicleRatesModel rates = _vehicleRatesService.GetRatesByVehicleCategory(vehicle.VehicleCategory);
int result = 0;
double totalDays = (vehicleFeeCalculationDTO.CheckTime - vehicle.EntryTime).TotalDays;
int wholeDays = (int)Math.Truncate(totalDays);
if (wholeDays > 0)
{
result = wholeDays * 12 * rates.DayLightRates + wholeDays * 12 * rates.NightlyRates;
DateTime reminder = vehicleFeeCalculationDTO.CheckTime.AddDays(wholeDays);
result = result + CalculateWhenStayTimeIsLessThanADay(reminder, vehicleFeeCalculationDTO.CheckTime, rates);
}
else
{
result = CalculateWhenStayTimeIsLessThanADay(vehicle.EntryTime, vehicleFeeCalculationDTO.CheckTime, rates);
}
return(new VehicleCalculationResultModel()
{
Fee = ApplyDiscount(result, vehicle.DiscountCard),
Message = "Vehicle fee calculated."
});;
}
private int CalculateWhenStayTimeIsLessThanADay(DateTime startDate, DateTime endDate, VehicleRatesModel rates)
{
int result = 0;
var daylyRatesStart = new DateTime(endDate.Year, endDate.Month, endDate.Day, 8, 0, 0);
var daylyRatesEnd = new DateTime(endDate.Year, endDate.Month, endDate.Day, 18, 0, 0);
if (startDate < daylyRatesStart)
{
int calculatedHours = (int)Math.Round((daylyRatesStart - startDate).TotalHours + 0.5);
result = calculatedHours * rates.NightlyRates;
startDate = startDate.AddHours(calculatedHours);
}
if (endDate < daylyRatesEnd)
{
result += (int)Math.Round((endDate - startDate).TotalHours + 0.5) * rates.DayLightRates;
}
else
{
result += (int)Math.Round((daylyRatesEnd - startDate).TotalHours + 0.5) * rates.DayLightRates +
(int)Math.Round((endDate - daylyRatesEnd).TotalHours - 1 + 0.5) * rates.NightlyRates;
}
return(result);
}
