public void SetShippingContact(Contact contact)
{
ShippingContact = contact;
if(ShippingContact == null)
{
ShippingMethod = null;
}
else
{
// If the new shipping country is in the same zone , we can leave the current shipping
// method for this order in place. If not, we need to change it to a shipping method which is
// valid for the new shipping country
if(ShippingMethod == null || ShippingMethod.ShippingZone.Code != ShippingContact.Country.ShippingZone.Code)
{
var shippingMethod = GetValidShippingMethods().FirstOrDefault();
if(shippingMethod == null)
throw new Exception($"No valid shipping method found for shipping country {contact.Country}");
ShippingMethod = shippingMethod;
}
}
}
public void SetBillingContact(Contact contact)
{
BillingContact = contact;
}