Add acknowledger events to Event struct

amqp/consumer.go

@@ -151,12 +151,17 @@ func (c *consumer) callAndHandlePanic(msg amqplib.Delivery, h *handler) (err err
 		}
 	}()
 
-	err = h.fn(messaging.Event{
+	event := messaging.Event{
 		Id:        msg.MessageId,
 		Action:    h.action,
 		Body:      msg.Body,
 		Timestamp: msg.Timestamp,
-	})
+		Ack:       msg.Ack,
+		Nack:      msg.Nack,
+		Reject:    msg.Reject,
+	}
+
+	err = h.fn(event)
 
 	return
 }

amqp/consumer_test.go

@@ -767,3 +767,83 @@ func TestBlankQueueWithPrefix(t *testing.T) {
 		}
 	}
 }
+
+func TestCallEventAckMethod(t *testing.T) {
+	func1 := make(chan bool)
+	func2 := make(chan bool)
+
+	c, err := NewConsumer(conn, false, "multi", "TestSubscribeActions")
+
+	if assert.Nil(t, err) {
+		defer c.Close()
+
+		clearQueue(conn, c.queueName)
+
+		c.Subscribe("multi", func(e messaging.Event) error {
+			e.Ack(false)
+			func1 <- true
+			return nil
+		}, nil)
+
+		c.Subscribe("multi", func(e messaging.Event) error {
+			e.Ack(false)
+			func2 <- true
+			return nil
+		}, nil)
+
+		go c.Consume()
+
+		// take a time to setup topology
+		time.Sleep(SleepSetupTopology)
+
+		p, err := NewProducer(conn, "multi")
+
+		assert.Nil(t, err)
+
+		p.Publish("multi", []byte(""))
+
+		select {
+		case <-func1:
+		case <-func2:
+			assert.Fail(t, "called wrong action")
+		case <-time.After(3 * time.Second):
+			assert.Fail(t, "timed out")
+		}
+	}
+}
+
+func TestCallEventNackMethod(t *testing.T) {
+	c, err := NewConsumer(conn, false, "onlynack", "TestSubscribeActions")
+
+	if assert.Nil(t, err) {
+		count := 0
+		defer c.Close()
+		clearQueue(conn, c.queueName)
+		c.Subscribe("multi", func(e messaging.Event) error {
+			count += 1
+			if count == 3 {
+				e.Ack(false)
+			} else {
+				e.Nack(false, true)
+			}
+
+			return nil
+		}, nil)
+
+		go c.Consume()
+
+		// take a time to setup topology
+		time.Sleep(SleepSetupTopology)
+
+		p, err := NewProducer(conn, "multi")
+
+		assert.Nil(t, err)
+
+		p.Publish("multi", []byte(""))
+
+		// Wait for requeue
+		time.Sleep(10 * time.Second)
+
+		assert.Equal(t, 3, count)
+	}
+}

messaging/event.go

@@ -10,6 +10,9 @@ type Event struct {
 	Action    string
 	Timestamp time.Time
 	Body      []byte
+	Ack       func(multiple bool) error
+	Nack      func(multiple, requeue bool) error
+	Reject    func(requeue bool) error
 	ctx       context.Context
 }