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gh-christianlouis-docuelevate/app/main.py
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2025-04-01 04:58:55 +02:00

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Python

#!/usr/bin/env python3
import os
import logging
from fastapi import FastAPI, HTTPException, Request, status
from fastapi.staticfiles import StaticFiles
from fastapi.templating import Jinja2Templates
from starlette.middleware.sessions import SessionMiddleware
from starlette.config import Config
from starlette.middleware.trustedhost import TrustedHostMiddleware
from uvicorn.middleware.proxy_headers import ProxyHeadersMiddleware
from pathlib import Path
from app.database import init_db
from app.config import settings
from app.utils.config_validator import check_all_configs
# Import both the traditional and new routers - we'll keep both available for compatibility
from app.frontend import router as frontend_router_original
from app.api import router as api_router_original
from app.auth import router as auth_router
# Load configuration from .env for the session key
config = Config(".env")
SESSION_SECRET = config(
"SESSION_SECRET",
default="YOUR_DEFAULT_SESSION_SECRET_MUST_BE_32_CHARS_OR_MORE"
)
app = FastAPI(title="DocuNova")
# 1) Session Middleware (for request.session to work)
app.add_middleware(SessionMiddleware, secret_key=SESSION_SECRET)
# 2) Respect the X-Forwarded-* headers from Traefik
app.add_middleware(ProxyHeadersMiddleware, trusted_hosts="*")
# 3) (Optional but recommended) Restrict valid hosts:
app.add_middleware(TrustedHostMiddleware, allowed_hosts=[
settings.external_hostname,
"localhost",
"127.0.0.1"
])
# Mount the static folder for CSS/JS:
frontend_static_dir = Path(__file__).parent.parent / "frontend" / "static"
app.mount("/static", StaticFiles(directory=frontend_static_dir), name="static")
@app.on_event("startup")
def on_startup():
init_db() # Create tables if they don't exist
@app.on_event("startup")
async def startup_event():
"""Run startup tasks for the application"""
# Force settings dump to log for troubleshooting
from app.utils.config_validator import dump_all_settings
dump_all_settings()
# Validate configuration
config_issues = check_all_configs()
# Log overall status
has_issues = any(config_issues['email']) or any(len(issues) > 0 for provider, issues in config_issues['storage'].items())
if has_issues:
logging.warning("Application started with configuration issues - some features may be unavailable")
else:
logging.info("Application started with valid configuration")
logging.info("Router organization note: Using route handlers from main app directory for now")
logging.info("In the future, we'll transition fully to the frontend/ and api/ submodules")
# Custom 404 - we can still return the Jinja2 template, or the old static file:
@app.exception_handler(404)
async def custom_404_handler(request: Request, exc: HTTPException):
# Serve the 404 template directly
templates = Jinja2Templates(directory=str(frontend_static_dir.parent / "templates"))
return templates.TemplateResponse(
"404.html",
{"request": request},
status_code=status.HTTP_404_NOT_FOUND
)
@app.exception_handler(500)
async def custom_500_handler(request: Request, exc: Exception):
templates = Jinja2Templates(directory=str(frontend_static_dir.parent / "templates"))
# Option 1: Keep it simple, just show a funny 500 message:
return templates.TemplateResponse(
"500.html",
{"request": request, "exc": exc},
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR
)
@app.get("/test-500")
def test_500():
raise RuntimeError("Testing forced 500 error!")
# Include the routers - for now we're using the original routers
# Later we can switch to the organized router structure
app.include_router(frontend_router_original)
app.include_router(auth_router)
app.include_router(api_router_original, prefix="/api")