public void AddTicketDiscount(DiscountType type, decimal amount, int userId)
{
var c = Discounts.SingleOrDefault(x => x.DiscountType == (int)type);
if (c == null)
{
c = new Discount {
DiscountType = (int)type, Amount = amount
};
Discounts.Add(c);
}
if (amount == 0)
{
Discounts.Remove(c);
}
c.UserId = userId;
c.Amount = amount;
}
/// <summary>
/// Unapplies the <paramref name="discount"/> from this product.
/// </summary>
/// <param name="discount">The discount to remove.</param>
public virtual void UnapplyDiscount(Discount discount)
{
// Attempt to remove the discount from the list.
Discounts.Remove(discount);
}