85 lines
3.6 KiB
Python
85 lines
3.6 KiB
Python
import asyncio
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from aiohttp.client import ClientSession
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from channels.layers import get_channel_layer
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from channels.db import database_sync_to_async
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from urllib.parse import quote as urlencode
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from core.settings import TELEGRAM_BOT_TOKEN, TELEGRAM_GROUP_CHAT_ID
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from mail.protocol import send_smtp, make_notification
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from notifications.models import UserNotificationChannel
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from notifications.templates import render_notification_new_ticket_async, render_notification_reply_ticket_async
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from tickets.models import IssueThread
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async def http_get(url):
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async with ClientSession() as session:
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async with session.get(url) as response:
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return await response.text()
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async def telegram_notify(message, chat_id):
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encoded_message = urlencode(message)
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url = f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage?chat_id={chat_id}&text={encoded_message}"
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return await http_get(url)
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async def email_notify(message, title, email):
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mail = make_notification(message, email, title)
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await send_smtp(mail)
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class NotificationDispatcher:
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channel_layer = None
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room_group_name = "general"
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def __init__(self):
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self.channel_layer = get_channel_layer('default')
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if not self.channel_layer:
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raise Exception("Could not get channel layer")
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@database_sync_to_async
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def get_notification_targets(self):
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channels = UserNotificationChannel.objects.filter(active=True)
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return list(channels)
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@database_sync_to_async
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def get_ticket(self, ticket_id):
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return IssueThread.objects.filter(id=ticket_id).select_related('event').first()
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async def run_forever(self):
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# Infinite loop to continuously listen for messages
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print("Listening for messages...")
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channel_name = await self.channel_layer.new_channel()
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await self.channel_layer.group_add(self.room_group_name, channel_name)
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print("Channel name:", channel_name)
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while True:
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# Blocking receive to get the message from the channel layer
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message = await self.channel_layer.receive(channel_name)
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if (message and 'type' in message and message['type'] == 'generic.event' and 'name' in message and
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message['name'] == 'user_notification'):
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if 'ticket_id' in message and 'event_id' in message and 'new' in message:
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ticket = await self.get_ticket(message['ticket_id'])
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await self.dispatch(ticket, message['event_id'], message['new'])
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else:
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print("Error: Invalid message format")
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async def dispatch(self, ticket, event_id, new):
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message = await render_notification_new_ticket_async(
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ticket) if new else await render_notification_reply_ticket_async(ticket)
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title = f"[#{ticket.short_uuid()}] {ticket.name}"
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print("Dispatching message:", message, "with event_id:", event_id)
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targets = await self.get_notification_targets()
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jobs = []
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jobs.append(telegram_notify(message, TELEGRAM_GROUP_CHAT_ID))
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for target in targets:
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if target.channel_type == 'telegram':
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print("Sending telegram notification to:", target.channel_target)
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jobs.append(telegram_notify(message, target.channel_target))
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elif target.channel_type == 'email':
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print("Sending email notification to:", target.channel_target)
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jobs.append(email_notify(message, title, target.channel_target))
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else:
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print("Unknown channel type:", target.channel_type)
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await asyncio.gather(*jobs)
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