112 lines
2.4 KiB
Python
112 lines
2.4 KiB
Python
"""
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Demo Session Service - Main Application
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Manages isolated demo sessions with ephemeral data
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"""
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from fastapi import FastAPI, Request
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import JSONResponse
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import structlog
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from contextlib import asynccontextmanager
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from app.core import settings, DatabaseManager, RedisClient
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from app.api import router
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logger = structlog.get_logger()
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# Initialize database and redis
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db_manager = DatabaseManager()
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redis_client = RedisClient()
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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"""Application lifespan handler"""
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logger.info("Starting Demo Session Service", version=settings.VERSION)
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# Initialize database
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db_manager.initialize()
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# Connect to Redis
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await redis_client.connect()
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logger.info("Demo Session Service started successfully")
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yield
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# Cleanup on shutdown
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await db_manager.close()
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await redis_client.close()
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logger.info("Demo Session Service stopped")
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app = FastAPI(
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title="Demo Session Service",
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description="Manages isolated demo sessions for prospect users",
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version=settings.VERSION,
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lifespan=lifespan
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)
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# CORS middleware
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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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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@app.exception_handler(Exception)
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async def global_exception_handler(request: Request, exc: Exception):
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"""Global exception handler"""
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logger.error(
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"Unhandled exception",
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path=request.url.path,
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method=request.method,
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error=str(exc)
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)
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return JSONResponse(
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status_code=500,
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content={"detail": "Internal server error"}
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)
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# Include routers
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app.include_router(router)
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@app.get("/")
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async def root():
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"""Root endpoint"""
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return {
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"service": "demo-session",
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"version": settings.VERSION,
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"status": "running"
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}
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@app.get("/health")
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async def health():
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"""Health check endpoint"""
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redis_ok = await redis_client.ping()
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return {
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"status": "healthy" if redis_ok else "degraded",
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"service": "demo-session",
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"version": settings.VERSION,
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"redis": "connected" if redis_ok else "disconnected"
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}
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(
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"app.main:app",
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host="0.0.0.0",
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port=8000,
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reload=settings.DEBUG,
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log_level=settings.LOG_LEVEL.lower()
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)
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