58 lines
2.1 KiB
Python
58 lines
2.1 KiB
Python
"""任务模型定义模块。
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定义任务相关的 Pydantic 数据模型，用于请求校验与响应序列化。
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"""
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from datetime import datetime, timezone
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from typing import Optional
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from pydantic import BaseModel, Field
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class TodoItem(BaseModel):
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"""任务项模型，对应数据库中的一条任务记录。"""
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id: int = Field(..., description="任务唯一标识")
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title: str = Field(..., min_length=1, max_length=200, description="任务标题")
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description: str = Field(default="", max_length=1000, description="任务描述")
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completed: bool = Field(default=False, description="是否完成")
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created_at: datetime = Field(
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default_factory=lambda: datetime.now(timezone.utc),
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description="创建时间",
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)
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updated_at: datetime = Field(
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default_factory=lambda: datetime.now(timezone.utc),
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description="更新时间",
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)
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class TodoCreate(BaseModel):
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"""创建任务请求模型。"""
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title: str = Field(..., min_length=1, max_length=200, description="任务标题")
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description: str = Field(default="", max_length=1000, description="任务描述")
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class TodoUpdate(BaseModel):
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"""更新任务请求模型，所有字段可选。"""
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title: Optional[str] = Field(None, min_length=1, max_length=200, description="任务标题")
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description: Optional[str] = Field(None, max_length=1000, description="任务描述")
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completed: Optional[bool] = Field(None, description="是否完成")
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class TodoResponse(BaseModel):
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"""任务响应模型，包含标准返回结构。"""
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code: int = Field(default=200, description="状态码")
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message: str = Field(default="success", description="提示信息")
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data: Optional[TodoItem] = Field(None, description="任务数据")
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class TodoListResponse(BaseModel):
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"""任务列表响应模型。"""
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code: int = Field(default=200, description="状态码")
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message: str = Field(default="success", description="提示信息")
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data: list[TodoItem] = Field(default_factory=list, description="任务列表")
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total: int = Field(default=0, description="任务总数")
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