static void ReportWithSelectiveDiscount()
{
Console.WriteLine("name:");
var name = Console.ReadLine();
Console.WriteLine("upc:");
var upc = int.Parse(Console.ReadLine());
Console.WriteLine("basePrice:");
var basePrice = decimal.Parse(Console.ReadLine());
Console.WriteLine("tax:");
var tax = int.Parse(Console.ReadLine());
int?universalDiscount = null;
PrintYesNoQuestion("universalDiscount exists?",
() => {
Console.WriteLine("discount:");
universalDiscount = int.Parse(Console.ReadLine());
},
() => {
universalDiscount = null;
});
UpcDiscountDto upcDiscount = null;
PrintYesNoQuestion("upcDiscount exists?",
() => {
Console.WriteLine("discount:");
var innerDiscount = int.Parse(Console.ReadLine());
Console.WriteLine("upc:");
var innerUpc = int.Parse(Console.ReadLine());
upcDiscount = new UpcDiscountDto(innerUpc, innerDiscount);
},
() => {
universalDiscount = null;
});
var calculatedProductDto = new CalculateUseCase().Calculate(name, upc, basePrice, tax, universalDiscount, upcDiscount);
var universalDiscountLabel = calculatedProductDto.UniversalDiscountAmount.HasValue
? $"; universal discount: ${calculatedProductDto.UniversalDiscountAmount.Value}"
: "";
var upcDiscountLabel = calculatedProductDto.UpcDiscountAmount.HasValue
? $"; upc discount: ${calculatedProductDto.UpcDiscountAmount.Value}"
: "";
var totalDiscountLabel = calculatedProductDto.TotalDiscountAmount.HasValue
? $"; total discount: ${calculatedProductDto.TotalDiscountAmount.Value}"
: "";
Console.WriteLine($"Tax amount = ${calculatedProductDto.TaxAmount}{universalDiscountLabel}{upcDiscountLabel}");
Console.WriteLine($"New price: ${calculatedProductDto.CalculatedPrice}{totalDiscountLabel}");
}
public CalculatedProductDto Calculate(string name, int upc, decimal productPrice, int tax, int?universalDiscount, UpcDiscountDto upcDiscount)
{
var universalDiscountOption = universalDiscount.HasValue
? FSharpOption <PriceCalculations.Discount> .Some(PriceCalculations.Discount.NewDiscount(universalDiscount.Value))
: FSharpOption <PriceCalculations.Discount> .None;
var upcDiscountOption = upcDiscount != null
? FSharpOption <PriceCalculations.UpcDiscount> .Some(new PriceCalculations.UpcDiscount(
PriceCalculations.Discount.NewDiscount(upcDiscount.Discount),
ProductUpc.NewProductUpc(upcDiscount.Upc)))
: FSharpOption <PriceCalculations.UpcDiscount> .None;
Say.hello("from Say module");
var pr = new Product(
ProductName.NewProductName(name),
ProductUpc.NewProductUpc(upc),
ProductPriceModule.create(productPrice));
var priceCalculationDto = PriceCalculations.calculatePrice(
PriceCalculations.Tax.NewTax(tax),
universalDiscountOption,
upcDiscountOption,
pr);
return(new CalculatedProductDto(priceCalculationDto.upc.Item,
name,
ProductPriceModule.value(priceCalculationDto.basePrice),
ProductPriceModule.value(priceCalculationDto.taxAmount),
FSharpOption <ProductPrice> .get_IsSome(priceCalculationDto.universalDiscountAmount)
? ProductPriceModule.value(priceCalculationDto.universalDiscountAmount.Value) as decimal?
: null,
FSharpOption <ProductPrice> .get_IsSome(priceCalculationDto.upcDiscountAmount)
? ProductPriceModule.value(priceCalculationDto.upcDiscountAmount.Value) as decimal?
: null,
FSharpOption <ProductPrice> .get_IsSome(priceCalculationDto.totalDiscountAmount)
? ProductPriceModule.value(priceCalculationDto.totalDiscountAmount.Value) as decimal?
: null,
ProductPriceModule.value(priceCalculationDto.calculatedPrice)));
}
