patrick
094863f94b
- Migration 0025: kiosk_nfc_uid column on users table with partial unique index per company - User model: kiosk_nfc_uid field after personnel_number - New service: kiosk_session_service.py (Redis-based 15min sessions) - New core module: app/core/redis.py (sync Redis client with ping-test) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
29 lines
922 B
Python
29 lines
922 B
Python
"""Redis-Client für TimeMaster (sync, für Kiosk-Nonce-Cache und Sessions)."""
|
|
from __future__ import annotations
|
|
|
|
import logging
|
|
from typing import Optional
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
_redis_client = None
|
|
|
|
|
|
def get_redis_client():
|
|
"""Gibt den Redis-Client zurück oder None wenn nicht konfiguriert/erreichbar."""
|
|
global _redis_client
|
|
if _redis_client is not None:
|
|
return _redis_client
|
|
try:
|
|
import redis as redis_lib
|
|
from app.core.config import settings
|
|
url = getattr(settings, "redis_url", "redis://localhost:6379/0")
|
|
_redis_client = redis_lib.from_url(url, decode_responses=True, socket_connect_timeout=2)
|
|
# Verbindung testen
|
|
_redis_client.ping()
|
|
log.info("Redis-Verbindung hergestellt: %s", url)
|
|
return _redis_client
|
|
except Exception as exc:
|
|
log.warning("Redis nicht verfügbar: %s", exc)
|
|
return None
|