Add 'backend/' from commit '48a644fb354d6c6efcbd12bc1b4a2cb83137b68e'

git-subtree-dir: backend
git-subtree-mainline: 545699d16f
git-subtree-split: 48a644fb35

backend/schemas/auth.py

@@ -0,0 +1,22 @@
+from pydantic import BaseModel
+
+class TokenResponse(BaseModel):
+    access_token: str
+    refresh_token: str
+    token_type: str
+    access_token_exp: int
+    refresh_token_exp: int
+
+class TokenPayload(BaseModel):
+    id: int
+    username: str
+    role: str
+    exp: int
+    token_type: str
+
+class LoginRequest(BaseModel):
+    username: str
+    password: str
+
+class RefreshTokenRequest(BaseModel):
+    refresh_token: str

backend/schemas/user.py

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+from datetime import datetime
+from enum import Enum
+from pydantic import BaseModel, Field, root_validator
+from typing import Optional
+
+# 用户角色枚举
+class UserRole(str, Enum):
+    SYSTEM_ADMIN = "system_admin"
+    ADMIN = "admin"
+    USER = "user"
+
+# 基础用户模型
+class UserBase(BaseModel):
+    username: str = Field(..., max_length=50, description="用户名")
+    role: UserRole = Field(default=UserRole.USER, description="用户角色")
+    description: Optional[str] = Field(None, max_length=255, description="用户描述")
+
+# 用户创建模型
+class UserCreate(UserBase):
+    password: str = Field(..., min_length=6, max_length=255, description="用户密码")
+
+
+# 用户更新模型
+class UserUpdate(BaseModel):
+    username: Optional[str] = Field(None, max_length=50, description="用户名")
+    role: Optional[UserRole] = Field(None, description="用户角色")
+    description: Optional[str] = Field(None, max_length=255, description="用户描述")
+
+    # 可选：确保至少更新一个字段
+    @root_validator
+    def validate_at_least_one_field(cls, values):
+        if not any(values.values()):
+            raise ValueError("至少需要更新一个字段")
+        return values
+
+# 用户响应模型
+class UserResponse(UserBase):
+    id: int = Field(..., description="用户ID")
+    created_at: datetime = Field(..., description="创建时间")
+    updated_at: datetime = Field(..., description="更新时间")
+
+    class Config:
+        orm_mode = True  # 允许从 ORM 对象加载数据