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2y ago |
import logging |
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2y ago |
from datetime import datetime as dt |
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2y ago |
from datetime import timedelta as td |
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from typing import Any, Dict, List |
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|
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import aiohttp |
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from fastapi.encoders import jsonable_encoder |
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from requests import Session |
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|
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from app import config |
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from app.db import GetDB |
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from app.db.models import NotificationReminder |
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from app.utils.notification import queue |
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|
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logger = logging.getLogger(__name__) |
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|
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session = Session() |
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|
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2y ago |
headers = ( |
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{"x-webhook-secret": config.WEBHOOK_SECRET} |
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if config.WEBHOOK_SECRET |
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else None |
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2y ago |
) |
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|
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|
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async def send(data: List[Dict[Any, Any]]) -> bool: |
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"""Send the notification to the webhook address provided by config.WEBHOOK_ADDRESS |
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|
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Args: |
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data (List[Dict[Any, Any]]): list of json encoded notifications |
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|
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Returns: |
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bool: returns True if an ok response received |
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""" |
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try: |
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logger.debug( |
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f"Sending {len(data)} webhook updates to {config.WEBHOOK_ADDRESS}" |
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2y ago |
) |
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|
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r = await aiohttp.request( |
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"post", config.WEBHOOK_ADDRESS, json=data, headers=headers |
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) |
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if r.ok: |
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return True |
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logger.error(r) |
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except Exception as err: |
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logger.error(err) |
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return False |
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|
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|
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async def send_notifications(): |
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if not queue: |
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return |
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2y ago |
|
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notifications_to_send = list() |
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try: |
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while notification := queue.popleft(): |
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if notification.tries > config.NUMBER_OF_RECURRENT_NOTIFICATIONS: |
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continue |
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if notification.send_at > dt.utcnow().timestamp(): |
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queue.append( |
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notification |
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) # add it to the queue again for the next check |
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continue |
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notifications_to_send.append(notification) |
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except IndexError: # if the queue is empty |
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pass |
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|
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if not notifications_to_send: |
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return |
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if not await send( |
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[jsonable_encoder(notif) for notif in notifications_to_send] |
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): |
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for notification in notifications_to_send: |
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if ( |
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notification.tries + 1 |
| 77 |
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2y ago |
) > config.NUMBER_OF_RECURRENT_NOTIFICATIONS: |
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continue |
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notification.tries += 1 |
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notification.send_at = ( |
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( # schedule notification for n seconds later |
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dt.utcnow() |
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+ td(seconds=config.RECURRENT_NOTIFICATIONS_TIMEOUT) |
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).timestamp() |
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) |
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queue.append(notification) |
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|
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|
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def delete_expired_reminders() -> None: |
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with GetDB() as db: |
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db.query(NotificationReminder).filter( |
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NotificationReminder.expires_at < dt.utcnow() |
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).delete() |
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2y ago |
db.commit() |