public int GetPrice(ISellableUnitPriceSource unit, bool vat, bool discounted = true, bool sale = true, bool ranged = true)
{
var unitDiscounted = GetOriginalPrice(unit, discounted, sale, ranged);
if (vat && !unit.PricesAreIncludingVAT)
{
return(VatCalculator.WithVat(unitDiscounted, unit.Vat));
}
if (!vat && unit.PricesAreIncludingVAT)
{
return(VatCalculator.WithoutVat(unitDiscounted, unit.Vat));
}
return(unitDiscounted);
}
public void WithoutVatFromWithVat(int amountWithVat, int amountWithoutVat)
{
Assert.AreEqual(amountWithoutVat, VatCalculator.WithoutVat(amountWithVat, 19));
}
public void WithoutVat()
{
Assert.AreEqual(84, VatCalculator.WithoutVat(100, 19));
Assert.AreEqual(85, VatCalculator.WithoutVat(101, 19));
}
public void CaclulatingBackAndForthShouldReturnSamePrice(int amount)
{
Assert.AreEqual(amount, VatCalculator.WithoutVat(VatCalculator.WithVat(amount, 19), 19));
Console.WriteLine(VatCalculator.WithoutVat(amount, 19));
Assert.AreEqual(amount, VatCalculator.WithVat(VatCalculator.WithoutVat(amount, 19), 19));
}
public int WithoutVat(bool pricesAreIncludingVAT, int originalTotal, decimal vat, int summedParts)
{
return(pricesAreIncludingVAT ? VatCalculator.WithoutVat(originalTotal, vat) : originalTotal);
}