handle checkout ordertype

message-handler.go

@@ -219,3 +219,34 @@ func (h *RemoveDeliveryHandler) Is(m *Message) bool {
 	_, ok := m.Content.(*messages.RemoveDelivery)
 	return ok
 }
+
+type CheckoutHandler struct {
+	TypedMessageHandler
+}
+
+func (h *CheckoutHandler) Write(m *Message, w io.Writer) error {
+	messageBytes, err := proto.Marshal(m.Content.(*messages.CreateCheckoutOrder))
+	if err != nil {
+		return err
+	}
+	w.Write(messageBytes)
+	return nil
+}
+
+func (h *CheckoutHandler) Read(data []byte) (interface{}, error) {
+	msg := &messages.CreateCheckoutOrder{}
+
+	err := proto.Unmarshal(data, msg)
+	if err != nil {
+		return nil, err
+	}
+	return msg, nil
+}
+
+func (h *CheckoutHandler) Is(m *Message) bool {
+	if m.Type != CreateCheckoutOrderType {
+		return false
+	}
+	_, ok := m.Content.(*messages.CreateCheckoutOrder)
+	return ok
+}