/* * Handlers */ func handleProductCreated(msg []byte) { fmt.Println("[INFO] Received Kafka message from topic 'product_created'") p := models.Product{} if err := json.Unmarshal(msg, &p); err != nil { fmt.Println("[ERROR] Unable to Unmarshal json from message 'product_created'", err.Error()) return } p.CurrQuantity = 100000 p.MinQuantity = 90 rand.Seed(time.Now().UTC().UnixNano()) p.CurrentValue = float64(rand.Intn(10)) / 10.0 if err := p.Save(db); err != nil { producer.Publish("product_created_dead_letter", msg) } }