public void Return_a_failed_result_when_using_a_value_less_than_or_equal_to_0_or_higher_than_or_equal_to_1(string stringValue)
{
decimal value = decimal.Parse(stringValue);
var result = VatRate.Create(value);
Assert.IsTrue(result.IsFailure);
Assert.IsNull(result.Value);
}
public void Return_a_succesful_result_when_using_a_value_between_0_and_1(string stringValue)
{
decimal value = decimal.Parse(stringValue);
var result = VatRate.Create(value);
Assert.IsTrue(result.Success);
Assert.AreEqual(value, result.Value.Value);
}
public void Create_a_purchase_info_given_valid_VatRate_and_GrossAmount()
{
VatRate vatRate = VatRate.Create(0.10m).Value;
MoneyAmount grossAmount = MoneyAmount.Create(1.10m).Value;
var result = PurchaseInfo.CreateWithGrossAmount(vatRate, grossAmount);
Assert.AreEqual(vatRate.Value, result.VatRate.Value);
Assert.AreEqual(grossAmount.Value, result.GrossAmount.Value);
Assert.AreEqual(1.0m, result.NetAmount.Value);
Assert.AreEqual(0.10m, result.VatAmount.Value);
}
public void Create_a_succesful_result_given_valid_VatRate_and_VatAmount()
{
VatRate vatRate = VatRate.Create(0.10m).Value;
MoneyAmount vatAmount = MoneyAmount.Create(1).Value;
var result = PurchaseInfo.CreateWithVatAmount(vatRate, vatAmount);
Assert.AreEqual(vatRate.Value, result.VatRate.Value);
Assert.AreEqual(vatAmount.Value, result.VatAmount.Value);
Assert.AreEqual(11.0m, result.GrossAmount.Value);
Assert.AreEqual(10.0m, result.NetAmount.Value);
}
public Result <PurchaseInfoDto> Handle(GetPurchaseInfoQuery query)
{
List <string> errors = new List <string>();
var vatRateResult = VatRate.Create(query.VatRate);
if (vatRateResult.IsFailure)
{
errors.AddRange(vatRateResult.Errors);
}
var amountResult = MoneyAmount.Create(query.Amount);
if (amountResult.IsFailure)
{
errors.AddRange(amountResult.Errors);
return(Result <PurchaseInfoDto> .ResultFail(errors));
}
if (errors.Any())
{
return(Result <PurchaseInfoDto> .ResultFail(errors));
}
if (query.AmountType == AmountType.Gross)
{
return(MapPurchaseInfoToDto(PurchaseInfo.CreateWithGrossAmount(vatRateResult.Value, amountResult.Value)));
}
else if (query.AmountType == AmountType.Net)
{
return(MapPurchaseInfoToDto(PurchaseInfo.CreateWithNetAmount(vatRateResult.Value, amountResult.Value)));
}
else if (query.AmountType == AmountType.Vat)
{
return(MapPurchaseInfoToDto(PurchaseInfo.CreateWithVatAmount(vatRateResult.Value, amountResult.Value)));
}
else
{
throw new ArgumentException(nameof(AmountType));
}
}
