public CalculateCartFlow(ICalculateSubTotal calculateSubTotal, ICalculateTax calculateTax, ICalculateDiscount calculateDiscount, ICalculateTotal calculateTotal)
{
this.calculateSubTotal = calculateSubTotal;
this.calculateTax = calculateTax;
this.calculateDiscount = calculateDiscount;
this.calculateTotal = calculateTotal;
}
public CalculateCartFlow(CalculateSubTotal calculateSubTotal,
CalculateTax calculateTax, CalculateDiscount calculateDiscount,
CalculateGrandTotal calculateGrandTotal)
{
this.calculateSubTotal = calculateSubTotal;
this.calculateTax = calculateTax;
this.calculateDiscount = calculateDiscount;
this.calculateGrandTotal = calculateGrandTotal;
}
public TaxTests()
{
var services = new ServiceCollection();
services.AddTransient <ITaxTypeRepository, TaxTypeRepository>();
services.AddTransient <ITaxCalculationRepository, TaxCalculationRepository>();
services.AddSingleton <ICalculateTax, CalculateTax>();
services.AddSingleton <IDataLayer, DataLayer>();
var serviceProvider = services.BuildServiceProvider();
//_dataLayer = serviceProvider.GetService<IDataLayer>();
_calculateTax = serviceProvider.GetService <ICalculateTax>();
}
public decimal Process(ICalculateTax taxCalculator)
{
// hardcoding some quantities and prices for this example
long itemNumber = 3;
decimal itemPrice = 7.99m; // pretending that the price is the same in all currencies :)
bool isFood = false;
// Lots of other order pre-processing going on here...
// ...
// Calculate the tax
decimal tax = taxCalculator.TaxAmount(itemNumber, itemPrice, isFood);
// Lots of order payment processing and receipt generation going on here...
// ...
Console.WriteLine("Total tax amount on 23.97 is: {0}", tax);
return((itemNumber * itemPrice) + tax);
}
/// <summary>
/// Simulates a call to process an order
/// </summary>
/// <param name="taxCalculator">This parameter would be determined by logic/config
/// elsewhere that contained business rules that would determine which tax formula to use</param>
private static void ProcessOrder(ICalculateTax taxCalculator)
{
IOrder order = new Order(); // NOTE: We would normally use a factory or something to create the Order class
decimal total = order.Process(taxCalculator);
}
public SalesOrder(ICalculateTax taxCalculator)
{
this.taxCalculator = taxCalculator;
}
public TaxServicesController(ICalculateTax calculateTax, IDataLayer dataLayer)
{
_dataLayer = dataLayer;
_calculateTax = calculateTax;
}
