/// <summary>
/// Qualifies an order based on rules you set
/// these are simple rules - override as needed
/// </summary>
public virtual void ValidateUse(Order order)
{
if (ExpiresOn < DateTime.Now)
{
throw new InvalidOperationException("This coupon is Expired");
}
if (order.SubTotal < MininumPurchase)
{
throw new InvalidOperationException("There is a minimum of " + MininumPurchase.ToString("C") + " required");
}
if (order.Items.Count < MinimumItems)
{
throw new InvalidOperationException("There is a minimum of " + MinimumItems.ToString() + " items required");
}
if (MustHaveProducts.Length > 0)
{
bool haveProduct = false;
foreach (string productCode in MustHaveProducts)
{
var item = order.Items.Where(x => x.Product.ProductCode == productCode).SingleOrDefault();
if (item != null)
{
haveProduct = true;
break;
}
}
if (!haveProduct)
{
throw new InvalidOperationException("This coupon is not valid for the items you've selected");
}
}
}
public bool Equals(ItemCountDescriptor other) => other != null && MinimumItems.Equals(other.MinimumItems) && MaximumItems.Equals(other.MaximumItems);
