Files
onyx/backend/danswer/db/auth.py
T
Chris Weaver 132a9f750d Add Github Action to run mypy / reorder-python-imports / black on all PRs (#251)
Also fixes import ordering (previously, local imports weren't grouped together as they should have been)
2023-07-29 16:53:38 -07:00

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Python

from collections.abc import AsyncGenerator
from typing import Any
from typing import Dict
from fastapi import Depends
from fastapi_users.db import SQLAlchemyUserDatabase
from fastapi_users.models import UP
from fastapi_users_db_sqlalchemy.access_token import SQLAlchemyAccessTokenDatabase
from sqlalchemy import func
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.future import select
from danswer.auth.schemas import UserRole
from danswer.db.engine import get_async_session
from danswer.db.engine import get_sqlalchemy_async_engine
from danswer.db.models import AccessToken
from danswer.db.models import OAuthAccount
from danswer.db.models import User
async def get_user_count() -> int:
async with AsyncSession(get_sqlalchemy_async_engine()) as asession:
stmt = select(func.count(User.id))
result = await asession.execute(stmt)
user_count = result.scalar()
if user_count is None:
raise RuntimeError("Was not able to fetch the user count.")
return user_count
# Need to override this because FastAPI Users doesn't give flexibility for backend field creation logic in OAuth flow
class SQLAlchemyUserAdminDB(SQLAlchemyUserDatabase):
async def create(self, create_dict: Dict[str, Any]) -> UP:
user_count = await get_user_count()
if user_count == 0:
create_dict["role"] = UserRole.ADMIN
else:
create_dict["role"] = UserRole.BASIC
return await super().create(create_dict)
async def get_user_db(
session: AsyncSession = Depends(get_async_session),
) -> AsyncGenerator[SQLAlchemyUserAdminDB, None]:
yield SQLAlchemyUserAdminDB(session, User, OAuthAccount) # type: ignore
async def get_access_token_db(
session: AsyncSession = Depends(get_async_session),
) -> AsyncGenerator[SQLAlchemyAccessTokenDatabase, None]:
yield SQLAlchemyAccessTokenDatabase(session, AccessToken) # type: ignore