kds/backend/main.py
jtricerolph 951a362dfd Add update-available banner + versioned /health endpoint
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-06 14:11:32 +00:00

69 lines
2 KiB
Python

import logging
import os
import time
from contextlib import asynccontextmanager
from fastapi import FastAPI
from database import engine, Base
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
from api import kds as kds_api
from migrations.add_kds_tables import run_migration as run_kds_tables
from migrations.add_kds_course_flow import run_migration as run_kds_course_flow
from migrations.add_kds_order_tracking import run_migration as run_kds_order_tracking
from migrations.add_kds_bookings_refresh import run_migration as run_kds_bookings_refresh
from services.signalr_listener import start_signalr_listener, stop_signalr_listener
logger = logging.getLogger(__name__)
async def _run(name, coro):
try:
await coro()
logger.info(f"{name} migration completed")
except Exception as e:
logger.warning(f"{name} migration warning (may be expected): {e}")
@asynccontextmanager
async def lifespan(app: FastAPI):
# Create any SQLAlchemy-mapped KDS tables (idempotent)
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
# KDS migrations — extend kitchen_db schema with KDS columns/tables.
# Requires kitchen to be deployed first (kitchen_settings must exist).
await _run("KDS tables", run_kds_tables)
await _run("KDS course flow", run_kds_course_flow)
await _run("KDS order tracking", run_kds_order_tracking)
await _run("KDS bookings refresh", run_kds_bookings_refresh)
await start_signalr_listener()
yield
await stop_signalr_listener()
await engine.dispose()
app = FastAPI(
title="KDS",
description="Kitchen Display System — SambaPOS SignalR ticket feed, course flow",
version="1.0.0",
lifespan=lifespan,
)
STARTED_AT = str(int(time.time() * 1000))
app.include_router(kds_api.router, prefix="/api/kds", tags=["KDS"])
@app.get("/health")
async def health_check():
return {"status": "healthy", "version": os.environ.get("BUILD_VERSION", STARTED_AT)}