Files
ds-chat/backend/app/dependencies.py
T
ksmithandClaude Sonnet 5 99aa029c0d Phase 1: auth, room CRUD, WebSocket chat, PWA frontend
Invite-only FastAPI + SQLAlchemy(async) + Postgres backend (session-cookie
auth via CLI-provisioned accounts, open-room CRUD, single-instance /ws/chat)
and a React + Vite PWA frontend (login, room list, chat view). Backend tests
pass against a local Postgres DB. See README.md and backend/README.md for
setup, and ARCHITECTURE.md for the full phased design.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-13 20:01:17 -06:00

38 lines
1.1 KiB
Python

import uuid
from fastapi import Depends, HTTPException, Request
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from app.database import get_db
from app.models import RoomMembership, User
async def get_current_user(
request: Request, db: AsyncSession = Depends(get_db)
) -> User:
user_id = request.session.get("user_id")
if not user_id:
raise HTTPException(status_code=401, detail="Not authenticated")
user = await db.get(User, uuid.UUID(user_id))
if user is None:
request.session.clear()
raise HTTPException(status_code=401, detail="Not authenticated")
return user
async def require_room_member(
room_id: uuid.UUID, user: User, db: AsyncSession
) -> RoomMembership:
result = await db.execute(
select(RoomMembership).where(
RoomMembership.room_id == room_id, RoomMembership.user_id == user.id
)
)
membership = result.scalar_one_or_none()
if membership is None:
raise HTTPException(status_code=403, detail="Not a member of this room")
return membership