100 lines
3.0 KiB
Python
100 lines
3.0 KiB
Python
from fastapi import FastAPI, Depends, HTTPException, WebSocket, WebSocketDisconnect
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from fastapi.middleware.cors import CORSMiddleware
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from typing import List
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import json
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from app.core.config import settings
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from app.api.api import api_router
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app = FastAPI(
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title=settings.project_name,
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openapi_url=f"{settings.api_v1_str}/openapi.json",
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description="Prior Permission Required (PPR) system API for aircraft operations management",
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version="2.0.0"
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)
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# Set up CORS middleware
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"], # Configure this properly for production
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# WebSocket connection manager for real-time updates
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class ConnectionManager:
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def __init__(self):
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self.active_connections: List[WebSocket] = []
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async def connect(self, websocket: WebSocket):
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await websocket.accept()
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self.active_connections.append(websocket)
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def disconnect(self, websocket: WebSocket):
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self.active_connections.remove(websocket)
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async def send_personal_message(self, message: str, websocket: WebSocket):
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await websocket.send_text(message)
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async def broadcast(self, message: dict):
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message_str = json.dumps(message)
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for connection in self.active_connections:
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try:
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await connection.send_text(message_str)
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except:
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# Connection is dead, remove it
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self.active_connections.remove(connection)
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manager = ConnectionManager()
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@app.websocket("/ws/tower-updates")
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async def websocket_endpoint(websocket: WebSocket):
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await manager.connect(websocket)
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try:
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while True:
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# Keep connection alive
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data = await websocket.receive_text()
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# Echo back for heartbeat
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await websocket.send_text(f"Heartbeat: {data}")
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except WebSocketDisconnect:
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manager.disconnect(websocket)
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@app.get("/")
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async def root():
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return {
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"message": "Airfield PPR API",
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"version": "2.0.0",
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"docs": "/docs"
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}
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@app.get("/health")
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async def health_check():
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"""Health check endpoint with database connectivity verification"""
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from datetime import datetime
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from sqlalchemy import text
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from app.db.session import SessionLocal
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health_status = {
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"status": "healthy",
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"timestamp": datetime.utcnow().isoformat() + "Z",
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"version": "2.0.0"
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}
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# Check database connectivity
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try:
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db = SessionLocal()
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db.execute(text("SELECT 1"))
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db.close()
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health_status["database"] = "connected"
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except Exception as e:
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health_status["status"] = "unhealthy"
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health_status["database"] = "disconnected"
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health_status["error"] = str(e)
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return health_status
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# Include API router
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app.include_router(api_router, prefix=settings.api_v1_str)
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# Make connection manager available to the app
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app.state.connection_manager = manager |