feat: add models for physical files, policies, and user management

- Implement PhysicalFile model to manage physical file references and reference counting.
- Create Policy model with associated options and group links for storage policies.
- Introduce Redeem and Report models for handling redeem codes and reports.
- Add Settings model for site configuration and user settings management.
- Develop Share model for sharing objects with unique codes and associated metadata.
- Implement SourceLink model for managing download links associated with objects.
- Create StoragePack model for managing user storage packages.
- Add Tag model for user-defined tags with manual and automatic types.
- Implement Task model for managing background tasks with status tracking.
- Develop User model with comprehensive user management features including authentication.
- Introduce UserAuthn model for managing WebAuthn credentials.
- Create WebDAV model for managing WebDAV accounts associated with users.

middleware/auth.py

@@ -4,7 +4,7 @@ from uuid import UUID
 from fastapi import Depends
 import jwt
 
-from models.user import User
+from sqlmodels.user import User
 from utils import JWT
 from .dependencies import SessionDep
 from utils import http_exceptions
@@ -25,8 +25,8 @@ async def auth_required(
 
         user_id = UUID(user_id)
 
-        # 从数据库获取用户信息
-        user = await User.get(session, User.id == user_id)
+        # 从数据库获取用户信息（预加载 group 关系）
+        user = await User.get(session, User.id == user_id, load=User.group)
         if not user:
             http_exceptions.raise_unauthorized("账号或密码错误")
 
@@ -44,8 +44,7 @@ async def admin_required(
     使用方法：
     >>> APIRouter(dependencies=[Depends(admin_required)])
     """
-    group = await user.awaitable_attrs.group
-    if group.admin:
+    if user.group.admin:
         return user
     raise http_exceptions.raise_forbidden("Admin Required")
 

middleware/dependencies.py

@@ -14,14 +14,14 @@ from uuid import UUID
 from fastapi import Depends, Query
 from sqlmodel.ext.asyncio.session import AsyncSession
 
-from models.database import get_session
-from models.mixin import TimeFilterRequest, TableViewRequest
-from models.user import UserFilterParams, UserStatus
+from sqlmodels.database_connection import DatabaseManager
+from sqlmodels.mixin import TimeFilterRequest, TableViewRequest
+from sqlmodels.user import UserFilterParams, UserStatus
 
 
 # --- 数据库会话依赖 ---
 
-SessionDep: TypeAlias = Annotated[AsyncSession, Depends(get_session)]
+SessionDep: TypeAlias = Annotated[AsyncSession, Depends(DatabaseManager.get_session)]
 """数据库会话依赖，用于路由函数中获取数据库会话"""
 
 
@@ -79,14 +79,14 @@ TableViewRequestDep: TypeAlias = Annotated[TableViewRequest, Depends(_get_table_
 
 async def _get_user_filter_params(
     group_id: Annotated[UUID | None, Query(description="按用户组UUID筛选")] = None,
-    username: Annotated[str | None, Query(max_length=50, description="按用户名模糊搜索")] = None,
+    email: Annotated[str | None, Query(max_length=50, description="按邮箱模糊搜索")] = None,
     nickname: Annotated[str | None, Query(max_length=50, description="按昵称模糊搜索")] = None,
     status: Annotated[UserStatus | None, Query(description="按用户状态筛选")] = None,
 ) -> UserFilterParams:
     """解析用户过滤查询参数"""
     return UserFilterParams(
         group_id=group_id,
-        username_contains=username,
+        email_contains=email,
         nickname_contains=nickname,
         status=status,
     )