Files
CHIEFSOFT\ameye 29cdb0f930 kafka integtatin
2025-08-07 16:19:01 -04:00

105 lines
3.1 KiB
Python

from confluent_kafka import Producer
import json
import logging
from app.config import settings
logger = logging.getLogger(__name__)
class KafkaIntegration:
_producer = None
_config = {
"bootstrap.servers": settings.KAFKA_BROKER,
"client.id": "loan-service-producer",
"acks": "all",
"retries": 3,
"debug": "broker,topic,msg",
}
@staticmethod
def _get_producer():
"""Kafka producer"""
if not KafkaIntegration._producer:
KafkaIntegration._producer = Producer(KafkaIntegration._config)
logger.info(
f"Connected to Kafka broker at {KafkaIntegration._config['bootstrap.servers']}"
)
return KafkaIntegration._producer
@staticmethod
def delivery_report(err, msg):
"""Called once for each message produced"""
if err is not None:
logger.error(f'Message delivery failed: {err}')
raise RuntimeError(f"Message delivery failed: {err}")
else:
logger.debug(f'Message delivered to {msg.topic()} [{msg.partition()}] @ offset {msg.offset()}')
@staticmethod
def send_setting_refresh_request(settings_data, subscription_uid, topic):
try:
# Proceed to send loan request to Kafka
producer = KafkaIntegration._get_producer()
# Sending loan request message to Kafka
producer.produce(
topic=topic,
key=str(subscription_uid),
value=json.dumps(settings_data).encode("utf-8"),
callback=KafkaIntegration.delivery_report,
)
producer.poll(0)
logger.info(f"Settings request {subscription_uid} queued for processing")
except Exception as e:
logger.error(
f"Failed to send settings request to Kafka: {str(e)}", exc_info=True
)
raise Exception(f"Failed to send settings request to Kafka: {str(e)}")
@staticmethod
def send_loan_request(loan_data, request_id, topic):
"""
Send loan request to topic
Args:
loan_data: Loan request payload as dict
request_id: Unique request identifier (used as Kafka key)
"""
try:
# Proceed to send loan request to Kafka
producer = KafkaIntegration._get_producer()
# Sending loan request message to Kafka
producer.produce(
topic=topic,
key=str(request_id),
value=json.dumps(loan_data).encode("utf-8"),
callback=KafkaIntegration.delivery_report,
)
producer.poll(0)
logger.info(f"Loan request {request_id} queued for processing")
except Exception as e:
logger.error(
f"Failed to send loan request to Kafka: {str(e)}", exc_info=True
)
raise Exception(f"Failed to send loan request to Kafka: {str(e)}")
@staticmethod
def flush():
"""Shutdown"""
producer = KafkaIntegration._get_producer()
producer.flush()