public async Task <ActionResult <TaxResponse> > GetBenefitTaxAsync([FromBody] BenefitTaxRequest request)
{
await RequestUtilites.ValidatebenfitTaxRequestAsync(_taxOfficeClient, request);
var benefitTaxSummary = await _beneFitTaxService.CalculateNetCost(request);
return(Ok(new TaxResponse(benefitTaxSummary.NetCost)));
}
private async Task <int> GetTaxTable(BenefitTaxRequest benefitTaxRequest)
{
if (benefitTaxRequest.ChurchMember == true && !string.IsNullOrEmpty(benefitTaxRequest.Congregation))
{
return(await _taxOfficeClient.GetChurchMemberTaxTable(benefitTaxRequest.Municipality, benefitTaxRequest.ChurchMember, benefitTaxRequest.Congregation));
}
return(await _taxOfficeClient.GetTaxTable(benefitTaxRequest.Municipality));
}
public async Task <TaxResponse> CalculateNetCost(BenefitTaxRequest benefitTaxRequest)
{
// Get Tax table
var taxtable = await GetTaxTable(benefitTaxRequest);
// Get income from and to
var incomePairNoBenefit = _taxCalculationService.GetIncomeInterval(benefitTaxRequest.Income);
var incomePairWithBenefit = _taxCalculationService.GetIncomeInterval(benefitTaxRequest.Income + benefitTaxRequest.BenefitTax);
// Calculate tax to deduct
var taxToDeductNoBenefit = await _taxOfficeClient.GetTaxToDeduct(taxtable, "30B", incomePairNoBenefit.IncomeTop, benefitTaxRequest.IncomeYear, incomePairNoBenefit.IncomeBottom);
var taxToDeductWithBenefit = await _taxOfficeClient.GetTaxToDeduct(taxtable, "30B", incomePairWithBenefit.IncomeTop, benefitTaxRequest.IncomeYear, incomePairWithBenefit.IncomeBottom);
var netIncomeNoBeneFit = benefitTaxRequest.Income - taxToDeductNoBenefit;
var netIncomeWithBenefit = benefitTaxRequest.Income - taxToDeductWithBenefit;
// Return net cost
return(new TaxResponse(netIncomeNoBeneFit - netIncomeWithBenefit));
}
public static async Task <BenefitTaxRequest> ValidatebenfitTaxRequestAsync(ITaxAgencyClient _taxOfficeClient, BenefitTaxRequest request)
{
if (request == null)
{
throw new ValidationException("Request cannot be null", nameof(request));
}
if (request.ChurchMember != false)
{
var validatedCongregation = await ValidateCongregation(_taxOfficeClient, request.Congregation, 2020, request.Municipality);
}
return(request);
}
