private float GetOffPrice(float originalPrice, MarkedItem item)
{
if (item.MarkedGets.Count == 0)
{
return(originalPrice);
}
float offPrice = 0;
foreach (var get in item.MarkedGets)
{
offPrice += get.Value;
}
return(offPrice);
}
public object ApplyPromos(List <Promotion> promotions, List <Item> cartItems)
{
if (cartItems == null || cartItems.Count == 0)
{
throw new NotSupportedException("Cart cannot be null.");
}
if (promotions == null || promotions.Count == 0)
{
throw new NotSupportedException("No promotions to apply.");
}
List <MarkedItem> markedItems = new List <MarkedItem>();
foreach (var item in cartItems)
{
MarkedItem mItem = new MarkedItem()
{
Item = item,
MarkedBuys = new Dictionary <string, bool>(),
MarkedGets = new Dictionary <string, float>()
};
markedItems.Add(mItem);
}
foreach (var promo in promotions)
{
markedItems = ApplyPromo(promo, markedItems);
}
var prices = ComputeTotalPrices(markedItems);
PromofiedCart modifiedCart = new PromofiedCart()
{
items = markedItems,
TotalPrice = prices.Item1,
TotalOffPrice = prices.Item2
};
return(modifiedCart);
}