修正若干bug，后端基本完成

routes/auth.py

@@ -4,7 +4,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from schemas.auth import TokenResponse, LoginRequest, RefreshTokenRequest
 from services.auth import create_tokens_response, verify_token, refresh_tokens
 from services.user import authenticate_user
-from services.db import get_db_session
+from services.db import get_db_session_dep
 
 router = APIRouter(tags=["auth"])
 oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
@@ -12,7 +12,7 @@ oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
 @router.post("/login", response_model=TokenResponse)
 async def login(
     login_data: LoginRequest,
-    session: AsyncSession = Depends(get_db_session)
+    session: AsyncSession = Depends(get_db_session_dep)
 ):
     user = await authenticate_user(session, login_data.username, login_data.password)
     if not user:

routes/users.py

@@ -1,59 +1,55 @@
 from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
 from typing import List, Optional
 from schemas.auth import TokenPayload
 from schemas.user import UserCreate, UserUpdate, UserResponse, UserRole
 from routes.depends import get_current_user,get_current_admin
-from services.user import get_users,create_user,update_user,delete_user#,get_user_by_id
-from services.db import get_db_session
+import services.user as user_service
+
+from services.db import get_db_session_dep
 
 router = APIRouter(tags=["users"])
 
 @router.get("/", response_model=List[UserResponse])
-async def get_users(
+async def get_users_list(
     page: int = 1,
-    limit: int = 10,
+    limit: int = 100,
     role: Optional[str] = None,
-    current_user_token: TokenPayload = Depends(get_current_user)
+    current_user_token: TokenPayload = Depends(get_current_user),
+    session: AsyncSession = Depends(get_db_session_dep)
 ):
-    # current_user = await get_user_by_id(current_user_token.id)
-    # if current_user is None:
-    #     raise HTTPException(
-    #         status_code=status.HTTP_404_NOT_FOUND,
-    #         detail="User not found"
-    #     )
-    async with get_db_session() as session:
-        skip = (page - 1) * limit
-        users = await get_users(session, skip=skip, limit=limit)
-        if role:
-            users = [user for user in users if user.role == role]
-        return users
+    skip = (page - 1) * limit
+    users = await user_service.get_users_list(session, skip=skip, limit=limit)
+    if role:
+        users = [user for user in users if user.role == role]
+    return users
 
 @router.post("/", response_model=UserResponse, status_code=status.HTTP_201_CREATED)
 async def create_user(
     user_data: UserCreate,
-    current_user_token: TokenPayload = Depends(get_current_admin)
+    current_user_token: TokenPayload = Depends(get_current_admin),
+    session: AsyncSession = Depends(get_db_session_dep)
 ):
-    async with get_db_session() as session:
-        return await create_user(session, user_data)
+    return await user_service.create_user(session, user_data)
 
 @router.put("/{user_id}", response_model=UserResponse)
 async def update_user(
     user_id: int,
     user_data: UserUpdate,
-    current_user_token: TokenPayload = Depends(get_current_admin)
+    current_user_token: TokenPayload = Depends(get_current_admin),
+    session: AsyncSession = Depends(get_db_session_dep)
 ):
-    async with get_db_session() as session:
-        return await update_user(session, user_id, user_data)
+    return await user_service.update_user(session, user_id, user_data)
 
 @router.delete("/{user_id}", status_code=status.HTTP_204_NO_CONTENT)
 async def delete_user(
     user_id: int,
-    current_user_token: TokenPayload = Depends(get_current_admin)
+    current_user_token: TokenPayload = Depends(get_current_admin),
+    session: AsyncSession = Depends(get_db_session_dep)
 ):
-    async with get_db_session() as session:
-        success = await delete_user(session, user_id)
-        if not success:
-            raise HTTPException(
-                status_code=status.HTTP_404_NOT_FOUND,
-                detail="User not found"
-            )
+    success = await user_service.delete_user(session, user_id)
+    if not success:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="User not found"
+        )

services/auth.py

@@ -14,9 +14,9 @@ def get_current_time() -> int:
     """获取当前UTC时间戳"""
     return int(time.time())
 
-def create_token(user_id: int, username: str, role: str, expire_delta: int) -> str:
+def create_token(user_id: int, username: str, role: str, expire_delta) -> str:
     """创建JWT token"""
-    expire = get_current_time() + expire_delta
+    expire = get_current_time() + int(expire_delta.total_seconds())
     to_encode = {
         "id": user_id,
         "username": username,

services/db.py

@@ -24,8 +24,7 @@ def get_db_engine() -> AsyncEngine:
         raise RuntimeError("Database engine not initialized")
     return _engine
 
-@asynccontextmanager
-async def get_db_session() -> AsyncGenerator[AsyncSession, None]:
+async def get_db_session() -> AsyncSession:
     """获取数据库会话"""
     async with AsyncSession(get_db_engine()) as session:
         try:
@@ -35,6 +34,16 @@ async def get_db_session() -> AsyncGenerator[AsyncSession, None]:
             await session.rollback()
             raise
 
+async def get_db_session_dep() -> AsyncSession:
+    """FastAPI依赖注入使用的数据库会话获取函数"""
+    async with AsyncSession(get_db_engine()) as session:
+        try:
+            yield session
+            await session.commit()
+        except Exception:
+            await session.rollback()
+            raise
+
 async def init_db(engine: AsyncEngine):
     """初始化数据库"""
     global _engine

services/user.py

@@ -30,7 +30,7 @@ async def get_user(session: AsyncSession, user_id: int) -> Optional[UserResponse
     return UserResponse.from_orm(user) if user else None
 
 
-async def get_users(session: AsyncSession, skip: int = 0, limit: int = 100) -> List[UserResponse]:
+async def get_users_list(session: AsyncSession, skip: int = 0, limit: int = 100) -> List[UserResponse]:
     """获取用户列表"""
     result = await session.execute(select(User).offset(skip).limit(limit))
     users = result.scalars().all()