编写后端

backend/app/schemas/user.py

@@ -0,0 +1,50 @@
+"""
+用户 Schema
+"""
+from datetime import datetime
+from typing import Optional
+from pydantic import BaseModel, EmailStr, Field
+
+
+class UserBase(BaseModel):
+    """用户基础 Schema"""
+    username: str = Field(..., min_length=3, max_length=50, description="用户名")
+    email: EmailStr = Field(..., description="邮箱")
+
+
+class UserCreate(UserBase):
+    """用户创建 Schema"""
+    password: str = Field(..., min_length=6, max_length=100, description="密码")
+
+
+class UserUpdate(BaseModel):
+    """用户更新 Schema"""
+    username: Optional[str] = Field(None, min_length=3, max_length=50)
+    email: Optional[EmailStr] = None
+    avatar: Optional[str] = None
+    bio: Optional[str] = None
+
+
+class UserInDB(UserBase):
+    """用户数据库 Schema"""
+    id: str
+    avatar: Optional[str] = None
+    bio: Optional[str] = None
+    is_active: bool
+    is_superuser: bool
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class UserPublic(UserBase):
+    """用户公开信息 Schema"""
+    id: str
+    avatar: Optional[str] = None
+    bio: Optional[str] = None
+    created_at: datetime
+
+    class Config:
+        from_attributes = True