Created
September 20, 2024 17:13
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| package main | |
| import ( | |
| "encoding/json" | |
| "log" | |
| "payment" | |
| "github.com/streadway/amqp" | |
| ) | |
| func main() { | |
| conn, err := amqp.Dial("amqp://guest:guest@localhost:5672/") | |
| if err != nil { | |
| log.Fatalf("Failed to connect to RabbitMQ: %s", err) | |
| } | |
| defer conn.Close() | |
| ch, err := conn.Channel() | |
| if err != nil { | |
| log.Fatalf("Failed to open a channel: %s", err) | |
| } | |
| defer ch.Close() | |
| q, err := ch.QueueDeclare( | |
| "payment_queue", | |
| false, | |
| false, | |
| false, | |
| false, | |
| nil, | |
| ) | |
| if err != nil { | |
| log.Fatalf("Failed to declare a queue: %s", err) | |
| } | |
| msgs, err := ch.Consume( | |
| q.Name, | |
| "", | |
| true, | |
| false, | |
| false, | |
| false, | |
| nil, | |
| ) | |
| if err != nil { | |
| log.Fatalf("Failed to register a consumer: %s", err) | |
| } | |
| paymentService := payment.PaymentService{} // เพิ่มการเชื่อมต่อกับฐานข้อมูลที่นี่ | |
| forever := make(chan bool) | |
| go func() { | |
| for d := range msgs { | |
| var req payment.PaymentRequest | |
| err := json.Unmarshal(d.Body, &req) | |
| if err != nil { | |
| log.Printf("Error decoding JSON: %s", err) | |
| continue | |
| } | |
| err = paymentService.ProcessPayment(req) | |
| if err != nil { | |
| log.Printf("Error processing payment: %s", err) | |
| } | |
| } | |
| }() | |
| log.Printf(" [*] Waiting for messages. To exit press CTRL+C") | |
| <-forever | |
| } |
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