42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
from orm.notification import Notification
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from resolvers.model import NotificationReaction, NotificationAuthor, NotificationShout
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from services.db import local_session
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from services.rediscache import redis
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import asyncio
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class ServiceMessage:
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action: str
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entity: str
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payload: NotificationReaction | NotificationAuthor | NotificationShout
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async def handle_notification(n: ServiceMessage, channel: str):
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"""создаеёт новое хранимое уведомление"""
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with local_session() as session:
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try:
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if channel.startswith("follower:"):
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author_id = int(channel.split(":")[1])
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if isinstance(n.payload, NotificationAuthor):
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n.payload.following_id = author_id
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n = Notification(action=n.action, entity=n.entity, payload=n.payload)
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session.add(n)
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session.commit()
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except Exception as e:
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session.rollback()
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print(f"[listener.handle_reaction] error: {str(e)}")
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async def listen_task(pattern):
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async for message_data, channel in redis.listen(pattern):
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try:
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notification_message = ServiceMessage(**message_data)
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await handle_notification(notification_message, str(channel))
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except Exception as e:
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print(f"[listener.listen_task] Error processing notification: {str(e)}")
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async def notifications_worker():
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# Use asyncio.gather to run tasks concurrently
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await asyncio.gather(listen_task("follower:*"), listen_task("reaction"), listen_task("shout"))
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