public Receipt(string phone, string email, ETaxation taxation)
{
if (string.IsNullOrEmpty(email) && string.IsNullOrEmpty(phone))
{
throw new ArgumentNullException("Phone or Email must be not empty");
}
ReceiptItems = new List <ReceiptItem>();
Phone = phone;
Email = email;
Taxation = taxation;
}
public Receipt(string phone, string email, ETaxation taxation, IEnumerable <ReceiptItem> items)
{
if (string.IsNullOrEmpty(email) && string.IsNullOrEmpty(phone))
{
throw new ArgumentNullException("Phone or Email must be not empty");
}
Items = items;
Phone = phone;
Email = email;
Taxation = taxation;
}
public Receipt(string email, ETaxation taxation) : this(null, email, taxation)
{
}
