private CalculateVatRequest CreateCalculateVatRequest()
{
CalculateVatRequest result = new CalculateVatRequest();
decimal netto = 0;
bool isValidNetto = Decimal.TryParse(tbNetto.Text, out netto);
result.Netto = netto;
result.TaxRate = ((GuiObjects.ListElement <decimal>)cbbTaxRate.SelectedItem).Value;
return(result);
}
protected override IEnumerable<Message> Validate<T1>(CalculateRequestBase request)
{
CalculateVatRequest innerRequest = (CalculateVatRequest)request;
if (!validRates.Contains(innerRequest.TaxRate))
{
yield return CreateError("Stawka podatku nieprawidłowa.");
}
if (innerRequest.Netto < 0 || innerRequest.Netto > arbitraryMaximumSensibleNetto)
{
yield return CreateError("Kwota netto nieprawidłowa.");
}
}
private void btnCalculate_Click(object sender, EventArgs e)
{
Logic.Logic logic = new Logic.Logic();
CalculateVatRequest request = CreateCalculateVatRequest();
CalculateVatResponse response = logic.HandleCalculateRequest(request) as CalculateVatResponse;
if (response != null && response.IsValid)
{
//zakładając że chcemy zaokrąglenie
response.Result = Math.Round(response.Result, 2, MidpointRounding.AwayFromZero);
tbBrutto.Text = String.Format("{0:0.##}", response.Result);
}
else
{
// można też gdzieś wrzucić komunikaty walidacyjne
tbBrutto.Text = String.Empty;
}
}
protected override decimal CalculateResult<T1>(CalculateRequestBase request)
{
CalculateVatRequest innerRequest = (CalculateVatRequest)request;
decimal result = (innerRequest.TaxRate + 1) * innerRequest.Netto;
return result;
}
