define order client

client/order.go

@@ -18,7 +18,7 @@ func GetOrder() Order {
 }
 
 // UpdateORStatus ...
-func (w Order) UpdateORStatus(p model.OrderUpdateORStatus) error {
+func (o Order) UpdateORStatus(p model.OrderUpdateORStatus) error {
 	msg, err := natsio.GetServer().Request(subject.OrderUpdateORStatus, toBytes(p))
 	if err != nil {
 		return err
@@ -34,3 +34,19 @@ func (w Order) UpdateORStatus(p model.OrderUpdateORStatus) error {
 	}
 	return nil
 }
+
+// CancelDelivery ...
+func (o Order) CancelDelivery(p model.OrderCancelDelivery) error {
+	msg, err := natsio.GetServer().Request(subject.OrderUpdateORStatus, toBytes(p))
+	if err != nil {
+		return err
+	}
+	var r model.CommonResponseData
+	if err = json.Unmarshal(msg.Data, &r); err != nil {
+		return err
+	}
+	if r.Error != "" {
+		return errors.New(r.Error)
+	}
+	return nil
+}

model/common_response.go

@@ -0,0 +1,18 @@
+package model
+
+import "encoding/json"
+
+// CommonResponseData ...
+type CommonResponseData struct {
+	Data  interface{} `json:"data"`
+	Error string      `json:"error"`
+}
+
+// ParseData ...
+func (c CommonResponseData) ParseData(resultPointer interface{}) error {
+	b, err := json.Marshal(c.Data)
+	if err != nil {
+		return err
+	}
+	return json.Unmarshal(b, resultPointer)
+}

model/order_request.go

@@ -7,3 +7,8 @@ type OrderUpdateORStatus struct {
 	Status    string `json:"status"`
 	Reason    string `json:"reason"`
 }
+
+// OrderCancelDelivery ...
+type OrderCancelDelivery struct {
+	OrderID string `json:"orderId"`
+}

subject/order.go

@@ -4,4 +4,5 @@ const orderPrefix = "order_"
 
 const (
 	OrderUpdateORStatus = orderPrefix + "update_outbound_request_status"
+	OrderCancelDelivery = orderPrefix + "cancel_delivery"
 )