+ has_many :line_items
+
+ PAYMENT_TYPES = [
+ ["Cheque", "cheque"],
+ ["Credit card", "cc"],
+ ["Purchase order", "po"]
+ ]
+
+ validates_presence_of :name, :address, :email, :pay_type
+ validates_inclusion_of :pay_type, :in =>
+ PAYMENT_TYPES.map {|disp, value| value}
+
+# def add_line_items_from_cart(cart)
+# cart.items.each do |item|
+# li = LineItem.from_cart_item(item)
+# line_items << li
+# end
+# end