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Update main.py
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import os
import logging
from fastapi import FastAPI, Request, HTTPException
from fastapi.responses import JSONResponse
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel
from src.services.graph_service import GraphInterviewProcessor
from langtrace_python_sdk import langtrace
langtrace.init(api_key=os.getenv("LANGTRACE_API_KEY"))
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
app = FastAPI(
title="Interview Simulation API",
description="API for interview simulations.",
version="1.0.0",
docs_url="/docs",
redoc_url="/redoc"
)
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
class HealthCheck(BaseModel):
status: str = "ok"
@app.get("/", response_model=HealthCheck, tags=["Status"])
async def health_check():
return HealthCheck()
@app.post("/simulate-interview/")
async def simulate_interview(request: Request):
"""
This endpoint receives the interview data, instantiates the graph processor
and starts the conversation.
"""
logger = logging.getLogger(__name__)
try:
payload = await request.json()
if not all(k in payload for k in ["user_id", "job_offer_id", "cv_document", "job_offer"]):
raise HTTPException(status_code=400, detail="Missing data in payload (user_id, job_offer_id, cv_document, job_offer).")
logger.info(f"Starting simulation for user: {payload['user_id']}")
processor = GraphInterviewProcessor(payload)
result = processor.invoke(payload.get("messages", []))
return JSONResponse(content=result)
except ValueError as ve:
logger.error(f"Data validation error: {ve}", exc_info=True)
return JSONResponse(content={"error": str(ve)}, status_code=400)
except Exception as e:
logger.error(f"Internal error in simulate-interview endpoint: {e}", exc_info=True)
return JSONResponse(
content={"error": "An internal error occurred on the assistant's server."},
status_code=500
)
if __name__ == "__main__":
import uvicorn
port = int(os.getenv("PORT", 8002)) # Use PORT environment variable, default to 8002
uvicorn.run(app, host="0.0.0.0", port=port)