36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
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from __future__ import annotations
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import asyncio
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import json
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import logging
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from backend import config
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logger = logging.getLogger(__name__)
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async def send_push(subscription_json: str, title: str, body: str) -> None:
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"""Send a Web Push notification. Swallows all errors — never raises."""
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if not config.VAPID_PRIVATE_KEY:
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logger.warning("VAPID_PRIVATE_KEY not configured — push notification skipped")
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return
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try:
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import pywebpush # type: ignore[import]
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except ImportError:
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logger.warning("pywebpush not installed — push notification skipped")
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return
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try:
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subscription_info = json.loads(subscription_json)
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data = json.dumps({"title": title, "body": body})
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vapid_claims = {"sub": f"mailto:{config.VAPID_CLAIMS_EMAIL or 'admin@example.com'}"}
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await asyncio.to_thread(
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pywebpush.webpush,
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subscription_info=subscription_info,
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data=data,
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vapid_private_key=config.VAPID_PRIVATE_KEY,
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vapid_claims=vapid_claims,
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)
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except Exception as exc:
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logger.error("Web Push failed: %s", exc)
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