/// <summary>
/// Applies Coupon To Shopping Cart
/// </summary>
/// <param name="coupon">Coupon</param>
public void ApplyCoupon(Coupon coupon)
{
if (coupon == null)
{
throw new ArgumentNullException(nameof(coupon));
}
if (!DiscountSatisfactions.IsCouponTotalSatisfied(this, coupon))
{
return;
}
_appliedCoupons.Add(coupon);
}
/// <summary>
/// Applies Campaign Discounts
/// </summary>
/// <param name="campaigns">Discount</param>
public void ApplyDiscounts(params Campaign[] campaigns)
{
if (campaigns == null)
{
throw new ArgumentNullException(nameof(campaigns));
}
foreach (var campaign in campaigns)
{
if (!DiscountSatisfactions.IsCampaignItemCountSatisfied(_shoppingCartItems, campaign))
{
continue;
}
_appliedCampaigns.Add(campaign);
}
}
