public double CalculatePrice(ProductAggregate product, OrderAggregateLineDiscount discount)
{
if (product == null)
{
throw new ArgumentNullException(nameof(product));
}
if (discount == null)
{
throw new ArgumentNullException(nameof(discount));
}
double result = product.Price;
switch (discount.PromotionType)
{
case DiscountAggregatePromotions.FixedAmount:
result -= discount.Value;
break;
case DiscountAggregatePromotions.Percentage:
result = result - ((result * discount.Value) / 100);
break;
}
return(result);
}
public static OrderAggregateLine ToAggregate(this OrderLine orderLine)
{
if (orderLine == null)
{
throw new ArgumentNullException(nameof(orderLine));
}
OrderAggregateLineDiscount discount = null;
if (orderLine.Discount != null)
{
discount = new OrderAggregateLineDiscount
{
Id = orderLine.Discount.Id,
Code = orderLine.Discount.Code,
PromotionType = (DiscountAggregatePromotions)orderLine.Discount.PromotionType,
Validity = (DiscountAggregateValidities)orderLine.Discount.Validity,
Value = orderLine.Discount.Value,
MoneySavedPerProduct = orderLine.MoneySavedPerProduct
};
}
return(new OrderAggregateLine
{
Id = orderLine.Id,
Price = orderLine.Price,
ProductId = orderLine.ProductId,
Quantity = orderLine.Quantity,
OrderLineDiscount = discount
});
}
public double CalculateMoneySaved(ProductAggregate product, OrderAggregateLineDiscount discount)
{
if (product == null)
{
throw new ArgumentNullException(nameof(product));
}
if (discount == null)
{
throw new ArgumentNullException(nameof(discount));
}
switch (discount.PromotionType)
{
case DiscountAggregatePromotions.FixedAmount:
return(discount.Value);
case DiscountAggregatePromotions.Percentage:
return((product.Price * discount.Value) / 100);
}
return(0);
}