Files
character-roleplay-backend/app/graphql/context.py
T
Zayden-Jung 9dfe000f2d refactor(auth): remove legacy RESTful user routes and migrate authentication to GraphQL context
- Rename get_current_user to get_current_user_id in auth/deps.py to clarify intent
- Remove legacy /me, /logout routes, and placeholder function from auth/__init__.py
- Remove dependency_overrides from app/main.py
- Update CustomContext to resolve and cache full User objects via db query
2026-05-20 02:52:54 +08:00

59 lines
2.2 KiB
Python

from app.models.user import User
from auth.deps import get_current_user_id
from fastapi import Request
from strawberry.fastapi import BaseContext
from strawberry.dataloader import DataLoader
from typing import List, Optional
from collections import defaultdict
from app.db import SessionLocal
from app.models import WorkspaceMember
from typing import AsyncGenerator
# 定义批量查询函数:接收一组 workspace ID 列表,返回相同长度的结果列表
async def load_members_by_workspace_ids(workspace_ids: List[str]) -> List[List[WorkspaceMember]]:
db = SessionLocal()
try:
# 用一条 IN 语句查出所有相关成员
members = db.query(WorkspaceMember).filter(WorkspaceMember.workspace_id.in_(workspace_ids)).all()
# 将结果归类到对应的 workspace ID
member_map = defaultdict(list)
for member in members:
member_map[member.workspace_id].append(member)
# 严格按照传入的 workspace ID 顺序返回结果列表
return [member_map[w_id] for w_id in workspace_ids]
finally:
db.close()
class CustomContext(BaseContext):
def __init__(self, request: Request):
super().__init__(request)
self.db = SessionLocal()
self.request = request
self._current_user: Optional[User] = None
self.members_loader = DataLoader(load_fn=load_members_by_workspace_ids)
async def get_current_user(self) -> User | None:
"""在 Context 级别负责把 user_id 变成真正的数据库 User 对象"""
if self._current_user is not None:
return self._current_user
try:
# 借用 auth 包的纯工具解出 ID
user_id = get_current_user_id(self.request)
# 在 Context 的数据库连接中查询完整用户
user = self.db.query(User).filter(User.id == user_id).first()
self._current_user = user
return user
except Exception:
return None
async def get_context(request: Request) -> AsyncGenerator[CustomContext, None]:
context = CustomContext(request)
try:
yield context
finally:
context.db.close() # 确保请求结束时关闭数据库连接