public void Setup()
{
_vehicleTax = new VehicleTaxDto()
{
Id = 2,
VehicleTypeId = 1100,
ImportDuty = 0.2,
Vat = 0.125,
Nhil = 0.025,
GetfundLevy = 0.025,
AuLevy = 0.02,
EcowasLevy = 0.05,
EximLevy = 0.075,
ExamLevy = 0.01,
ProcessingFee = 0,
SpecialImportLevy = 0.02
};
}
public async Task <Result <double> > CalculateDuty(CalculateDutyViewModel query)
{
if (!query.Result.IsValid)
{
_logger.LogError($"Validation failed: {query.Result.Errors.FirstOrDefault().ToString()}");
return(Result.Fail(new Error(query.Result.Errors.FirstOrDefault().ToString())));
}
VehicleTaxDto taxInfo = await _vehicleRepository.FetchVehicleTaxByTypeId(query.VehicleTypeId).ConfigureAwait(false);
if (taxInfo is null)
{
_logger.LogError($"Vehicle Type does not exist: {query.Result.Errors.FirstOrDefault().ToString()}");
return(Result.Fail(new Error("Vehicle Type does not exist!")));
}
return(Result.Ok(taxInfo.CalculateDuty(query.CIF))
.WithSuccess("Vehicle Tax Listed Succesfully"));
}
public static double CalculateDuty(this VehicleTaxDto tax, double CIF) =>
CIF * (tax.ImportDuty + tax.Nhil + tax.GetfundLevy + tax.AuLevy + tax.EcowasLevy
+ tax.EximLevy + tax.ExamLevy + tax.ProcessingFee + tax.SpecialImportLevy)
+ tax.CalculateVat(CIF);
//VAT is on the duty inclusive value (CIF + Duty + NHIL + GETFUND LEVY) public static double CalculateVat(this VehicleTaxDto tax, double CIF) => (CIF + CIF * tax.ImportDuty + CIF * tax.Nhil + CIF * tax.GetfundLevy) * tax.Vat;
