fix:consumer processes deliveries only once

internal/pkg/rabbitmq/consumer.go

@@ -3,6 +3,11 @@ package rabbitmq
 import (
 	"context"
 	"fmt"
+	"reflect"
+	"runtime"
+	"strings"
+	"time"
+
 	"github.com/ahmetb/go-linq/v3"
 	"github.com/iancoleman/strcase"
 	jsoniter "github.com/json-iterator/go"
@@ -11,10 +16,6 @@ import (
 	"github.com/streadway/amqp"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/trace"
-	"reflect"
-	"runtime"
-	"strings"
-	"time"
 )
 
 //go:generate mockery --name IConsumer
@@ -104,60 +105,61 @@ func (c Consumer[T]) ConsumeMessage(msg interface{}, dependencies T) error {
 	}
 
 	go func() {
-
-		select {
-		case <-c.ctx.Done():
-			defer func(ch *amqp.Channel) {
-				err := ch.Close()
-				if err != nil {
-					c.log.Errorf("failed to close channel closed for for queue: %s", q.Name)
-				}
-			}(ch)
-			c.log.Infof("channel closed for for queue: %s", q.Name)
-			return
-
-		case delivery, ok := <-deliveries:
-			{
-				if !ok {
-					c.log.Errorf("NOT OK deliveries channel closed for queue: %s", q.Name)
-					return
-				}
-
-				// Extract headers
-				c.ctx = otel.ExtractAMQPHeaders(c.ctx, delivery.Headers)
-
-				err := c.handler(q.Name, delivery, dependencies)
-				if err != nil {
-					c.log.Error(err.Error())
-				}
-
-				consumedMessages = append(consumedMessages, snakeTypeName)
-
-				_, span := c.jaegerTracer.Start(c.ctx, consumerHandlerName)
-
-				h, err := jsoniter.Marshal(delivery.Headers)
-
-				if err != nil {
-					c.log.Errorf("Error in marshalling headers in consumer: %v", string(h))
-				}
-
-				span.SetAttributes(attribute.Key("message-id").String(delivery.MessageId))
-				span.SetAttributes(attribute.Key("correlation-id").String(delivery.CorrelationId))
-				span.SetAttributes(attribute.Key("queue").String(q.Name))
-				span.SetAttributes(attribute.Key("exchange").String(delivery.Exchange))
-				span.SetAttributes(attribute.Key("routing-key").String(delivery.RoutingKey))
-				span.SetAttributes(attribute.Key("ack").Bool(true))
-				span.SetAttributes(attribute.Key("timestamp").String(delivery.Timestamp.String()))
-				span.SetAttributes(attribute.Key("body").String(string(delivery.Body)))
-				span.SetAttributes(attribute.Key("headers").String(string(h)))
-
-				// Cannot use defer inside a for loop
-				time.Sleep(1 * time.Millisecond)
-				span.End()
-
-				err = delivery.Ack(false)
-				if err != nil {
-					c.log.Errorf("We didn't get a ack for delivery: %v", string(delivery.Body))
+		for {
+			select {
+			case <-c.ctx.Done():
+				defer func(ch *amqp.Channel) {
+					err := ch.Close()
+					if err != nil {
+						c.log.Errorf("failed to close channel closed for for queue: %s", q.Name)
+					}
+				}(ch)
+				c.log.Infof("channel closed for for queue: %s", q.Name)
+				return
+
+			case delivery, ok := <-deliveries:
+				{
+					if !ok {
+						c.log.Errorf("NOT OK deliveries channel closed for queue: %s", q.Name)
+						return
+					}
+
+					// Extract headers
+					c.ctx = otel.ExtractAMQPHeaders(c.ctx, delivery.Headers)
+
+					err := c.handler(q.Name, delivery, dependencies)
+					if err != nil {
+						c.log.Error(err.Error())
+					}
+
+					consumedMessages = append(consumedMessages, snakeTypeName)
+
+					_, span := c.jaegerTracer.Start(c.ctx, consumerHandlerName)
+
+					h, err := jsoniter.Marshal(delivery.Headers)
+
+					if err != nil {
+						c.log.Errorf("Error in marshalling headers in consumer: %v", string(h))
+					}
+
+					span.SetAttributes(attribute.Key("message-id").String(delivery.MessageId))
+					span.SetAttributes(attribute.Key("correlation-id").String(delivery.CorrelationId))
+					span.SetAttributes(attribute.Key("queue").String(q.Name))
+					span.SetAttributes(attribute.Key("exchange").String(delivery.Exchange))
+					span.SetAttributes(attribute.Key("routing-key").String(delivery.RoutingKey))
+					span.SetAttributes(attribute.Key("ack").Bool(true))
+					span.SetAttributes(attribute.Key("timestamp").String(delivery.Timestamp.String()))
+					span.SetAttributes(attribute.Key("body").String(string(delivery.Body)))
+					span.SetAttributes(attribute.Key("headers").String(string(h)))
+
+					// Cannot use defer inside a for loop
+					time.Sleep(1 * time.Millisecond)
+					span.End()
+
+					err = delivery.Ack(false)
+					if err != nil {
+						c.log.Errorf("We didn't get a ack for delivery: %v", string(delivery.Body))
+					}
 				}
 			}
 		}