public decimal CalculateCharge(Order order)
{
decimal grandTotal = 0.0M;
List <Discount> discountList = Discount.All;
Dictionary <string, int> orderItems = new Dictionary <string, int>();
orderItems.Clear();
foreach (SKU sku in SKU.All)
{
if (order.LineItems.Any(x => x.ToString().Equals(sku.ID)))
{
int count = order.LineItems.Where(x => x.ToString().Equals(sku.ID)).Count();
orderItems.Add(sku.ID, count);
}
}
foreach (Discount discount in Discount.All)
{
decimal discountPrice;
orderItems = ApplyDiscount(orderItems, discount, out discountPrice);
grandTotal = grandTotal + discountPrice;
}
foreach (var item in orderItems)
{
grandTotal = grandTotal + (SKU.GetSKUPriceBasedOnId(item.Key) * item.Value);
}
return(grandTotal);
}
