gauvainboiche
67 lines
2.1 KiB
Python
67 lines
2.1 KiB
Python
import sys, os, random, json
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from kafka import KafkaConsumer, KafkaProducer
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from shared.events import BOOTSTRAP_SERVERS, TOPIC_ORDERS, TOPIC_PAYMENTS, make_event
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def simulate_payment(amount: float) -> bool:
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return random.random() > 0.1
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def run():
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consumer = KafkaConsumer(
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TOPIC_ORDERS,
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bootstrap_servers=BOOTSTRAP_SERVERS,
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group_id="payment_service",
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auto_offset_reset="latest",
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value_deserializer=lambda v: json.loads(v.decode("utf-8"))
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)
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producer = KafkaProducer(
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bootstrap_servers=BOOTSTRAP_SERVERS,
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key_serializer=str.encode,
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value_serializer=lambda v: json.dumps(v).encode(),
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acks="all"
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)
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print("[PAYMENT SERVICE] Service de paiement démarré, en attente d'évènements...")
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for message in consumer:
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event = message.value
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if event["type"] != "order_created":
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continue
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payload = event["payload"]
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order_id = payload["order_id"]
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restaurant_id = payload["restaurant_id"]
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amount = payload["total_amount"]
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print(f"[PAYMENT SERVICE] Traitement en cours : commande {order_id}, total {amount}€")
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if simulate_payment(amount):
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result = make_event("payment.confirmed", {
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"order_id": order_id,
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"customer_id": payload["customer_id"],
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"restaurant_id": restaurant_id,
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"amount": amount
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})
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print(f"[PAYMENT SERVICE] Paiement confirmé pour la commande {order_id}")
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else:
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result = make_event("payment.failed", {
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"order_id": order_id,
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"customer_id": payload["customer_id"],
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"restaurant_id": restaurant_id,
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"amount": amount
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})
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print(f"[PAYMENT SERVICE] Paiement échoué pour la commande {order_id}")
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producer.send(
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topic=TOPIC_PAYMENTS,
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key=str(restaurant_id),
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value=result
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)
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producer.flush()
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if __name__ == "__main__":
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run() |