/// <summary>
/// Add a new Coupon to this store, coupons applicable to items can only have one
/// </summary>
/// <param name="item">The Coupon to be added</param>
public void Add(IDiscounter <ItemBase> item)
{
if (item.GetType() == typeof(PercentOffCoupon))
{
percentOff = (PercentOffCoupon)item;
if (percentOff.percent > 100 || percentOff.percent < 0)
{
percentOff.percent = 0;
}
return;
}
if (item.GetType() == typeof(BxGyCoupon))
{
var coupon = (BxGyCoupon)item;
var existingCoupon = itemDiscounts.FirstOrDefault(i => i.itemName == coupon.itemName);
if (existingCoupon != null)
{
itemDiscounts.Remove(existingCoupon);
}
itemDiscounts.Add(coupon);
}
}
