gauvainboiche
53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
import sys, os, json
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from collections import defaultdict
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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
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from shared.events import BOOTSTRAP_SERVERS, TOPIC_ORDERS, TOPIC_PAYMENTS, TOPIC_NOTIFICATIONS
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TOPIC_ORDERS_DLQ = "orders_dlq"
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stats = defaultdict(int)
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def run():
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consumer = KafkaConsumer(
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TOPIC_ORDERS,
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TOPIC_ORDERS_DLQ,
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TOPIC_PAYMENTS,
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bootstrap_servers=BOOTSTRAP_SERVERS,
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group_id="analytics_service",
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auto_offset_reset="earliest",
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value_deserializer=lambda v: json.loads(v.decode("utf-8"))
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)
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print("[ANALYTICS SERVICE] Service d'analyse démarré, en attente d'évènements...")
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for message in consumer:
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event = message.value
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event_type = event["type"]
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payload = event["payload"]
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stats[event_type] += 1
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if event_type == "order_created":
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order_id = payload["order_id"]
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total = payload["total_amount"]
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print(f"[ANALYTICS SERVICE] Nouvelle commande {order_id} - total {total}€ "
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f"| commandes reçues : {stats['order_created']}")
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elif event_type == "payment.confirmed":
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stats["revenue"] = stats.get("revenue", 0) + payload["amount"]
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print(f"[ANALYTICS SERVICE] Paiement confirmé - commande {payload['order_id']}, "
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f"{payload['amount']}€ | CA total : {stats['revenue']}€")
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elif event_type == "payment.failed":
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print(f"[ANALYTICS SERVICE] Paiement échoué - commande {payload['order_id']} "
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f"| échecs : {stats['payment.failed']}")
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elif event_type == "order.preparation_started":
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print(f"[ANALYTICS SERVICE] Préparation démarrée - commande {payload['order_id']} "
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f"| en préparation : {stats['order.preparation_started']}")
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if __name__ == "__main__":
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run() |