public CalculateCartFlow(ICalculateSubTotal calculateSubTotal, ICalculateTax calculateTax, ICalculateDiscount calculateDiscount, ICalculateTotal calculateTotal)
{
this.calculateSubTotal = calculateSubTotal;
this.calculateTax = calculateTax;
this.calculateDiscount = calculateDiscount;
this.calculateTotal = calculateTotal;
}
public CalculateTotalController(ICalculateTotal calculateTotal)
{
CalculateTotal = calculateTotal;
}