public SalaryDetails GetSalaryDetails(SalaryInformationRequest request)
{
var salaryDetails = new SalaryDetails();
var grossIncome = request.details.GrossIncome;
if (grossIncome > 0)
{
salaryDetails.GrossIncome = grossIncome;
salaryDetails.IncomeTaxThreshold = _taxSettings.TaxThreshold;
// TODO: Refactor into smaller more maintainable parts
if (_features.UsePension)
{
salaryDetails.Pension = _taxSettings.DefaultPensionRate * grossIncome;
salaryDetails.TotalStatutoryDeductions += salaryDetails.Pension;
}
if (_features.UseNISRate)
{
salaryDetails.NIS = _taxSettings.NISRate * grossIncome;
if (_features.UseNISCap && salaryDetails.NIS > _taxSettings.NISCap)
{
salaryDetails.NIS = _taxSettings.NISCap;
}
salaryDetails.TotalStatutoryDeductions += salaryDetails.NIS;
}
if (_features.UseEducationTaxRate)
{
salaryDetails.EducationTax = _taxSettings.EducationTaxRate * (grossIncome - salaryDetails.TotalStatutoryDeductions);
salaryDetails.TotalStatutoryDeductions += salaryDetails.EducationTax;
}
if (_features.UseNHTRate)
{
salaryDetails.NHT = _taxSettings.NHTRate * grossIncome;
salaryDetails.TotalStatutoryDeductions += salaryDetails.NHT;
}
var statutoryIncome = grossIncome - salaryDetails.TotalStatutoryDeductions;
var taxableIncome = (grossIncome - (salaryDetails.Pension + salaryDetails.NIS)) - _taxSettings.TaxThreshold;
salaryDetails.TaxableIncome = taxableIncome;
if (_features.UseIncomeTax)
{
salaryDetails.IncomeTax = (grossIncome > _taxSettings.StandardIncomeTaxMark)
? taxableIncome * _taxSettings.IncomeTaxRateForIncomeAboveStandardMark
: taxableIncome * _taxSettings.IncomeTaxRateForIncomeBelowStandardMark;
}
salaryDetails.NetIncome = statutoryIncome - salaryDetails.IncomeTax;
}
return(salaryDetails);
}
public IActionResult Calculate(Decimal grossIncome, bool hasPension = false, Decimal pensionRate = 0)
{
SalaryInformationRequest request = new SalaryInformationRequest();
SalaryInformationResponse response = new SalaryInformationResponse();
try
{
request.details.GrossIncome = grossIncome;
response.Details = _taxService.GetSalaryDetails(request);
response.Success = true;
}
catch (Exception ex)
{
var errorMessage = "An exception occured while trying to process your request.";
Console.WriteLine($"{errorMessage} {ex.Message} - {ex.StackTrace}");
response = new SalaryInformationResponse();
response.Errors.Add(errorMessage);
return(BadRequest(response));
}
return(Ok(response));
}
