初始版本

backend/app/schemas/todo.py

@@ -0,0 +1,39 @@
+"""
+待办事项相关的 Pydantic 模式
+"""
+from datetime import datetime
+from typing import Optional
+from pydantic import BaseModel
+
+
+class TodoBase(BaseModel):
+    """待办事项基础模式"""
+    title: str
+
+
+class TodoCreate(TodoBase):
+    """创建待办事项请求模式"""
+    pass
+
+
+class TodoUpdate(BaseModel):
+    """更新待办事项请求模式"""
+    title: Optional[str] = None
+    done: Optional[bool] = None
+
+
+class TodoInDB(TodoBase):
+    """数据库中的待办事项模式"""
+    id: int
+    done: bool
+    created_at: datetime
+    user_id: int
+    
+    class Config:
+        from_attributes = True
+
+
+class Todo(TodoInDB):
+    """待办事项响应模式"""
+    pass
+