Files
FastapiAdmin/backend/app/plugin/module_example/demo/schema.py
T
zhangtao 646cbd6e60 refactor(backend): 重构项目结构,将模块代码移动到plugin目录
feat(backend): 添加数据库表创建和删除工具函数
fix(backend): 修复日志输出和Redis连接提示信息
style(frontend): 调整导航栏头像大小
perf(backend): 优化系统配置和字典数据缓存逻辑
chore(backend): 更新模板文件路径配置
2026-01-12 01:14:06 +08:00

102 lines
4.1 KiB
Python

# -*- coding: utf-8 -*-
from datetime import date, time, datetime
from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator
from fastapi import Query
from app.core.base_schema import BaseSchema, UserBySchema
from app.core.validator import DateTimeStr, DateStr, TimeStr
class DemoCreateSchema(BaseModel):
"""新增模型"""
name: str = Field(..., description='名称')
status: str = Field(default="0", description="是否启用(0:启用 1:禁用)")
description: str | None = Field(default=None, description="描述")
a: int | None = Field(default=None, description="整数")
b: int | None = Field(default=None, description="大整数")
c: float | None = Field(default=None, description="浮点数")
d: bool = Field(default=True, description="布尔型")
e: date | None = Field(default=None, description="日期")
f: time | None = Field(default=None, description="时间")
g: datetime | None = Field(default=None, description="日期时间")
h: str | None = Field(default=None, description="长文本")
i: dict | None = Field(default=None, description="元数据(JSON格式)")
@field_validator('name')
@classmethod
def validate_name(cls, v: str) -> str:
"""验证名称字段的格式和内容"""
# 去除首尾空格
v = v.strip()
if not v:
raise ValueError('名称不能为空')
return v
@model_validator(mode='after')
def _after_validation(self):
"""
核心业务规则校验
"""
# 长度校验:名称最小长度
if len(self.name) < 2 or len(self.name) > 50:
raise ValueError('名称长度必须在2-50个字符之间')
# 格式校验:名称只能包含字母、数字、下划线和中划线
if not self.name.isalnum() and not all(c in '-_' for c in self.name):
raise ValueError('名称只能包含字母、数字、下划线和中划线')
if self.status not in ["0", "1"]:
raise ValueError('是否启用必须为0或1')
# 描述校验:描述最大长度
if self.description and len(self.description) > 255:
raise ValueError('描述长度不能超过255个字符')
return self
class DemoUpdateSchema(DemoCreateSchema):
"""更新模型"""
...
class DemoOutSchema(DemoCreateSchema, BaseSchema, UserBySchema):
"""响应模型"""
model_config = ConfigDict(from_attributes=True)
# 覆盖日期时间字段,使用可序列化的类型
e: DateStr | None = Field(default=None, description="日期")
f: TimeStr | None = Field(default=None, description="时间")
g: DateTimeStr | None = Field(default=None, description="日期时间")
class DemoQueryParam:
"""示例查询参数"""
def __init__(
self,
name: str | None = Query(None, description="名称"),
description: str | None = Query(None, description="描述"),
status: str | None = Query(None, description="是否启用"),
created_time: list[DateTimeStr] | None = Query(None, description="创建时间范围", examples=["2025-01-01 00:00:00", "2025-12-31 23:59:59"]),
updated_time: list[DateTimeStr] | None = Query(None, description="更新时间范围", examples=["2025-01-01 00:00:00", "2025-12-31 23:59:59"]),
created_id: int | None = Query(None, description="创建人"),
updated_id: int | None = Query(None, description="更新人")
) -> None:
# 模糊查询字段
self.name = ("like", name)
if description:
self.description = ("like", description)
# 精确查询字段
if status:
self.status = ("eq", status)
# 时间范围查询
if created_time and len(created_time) == 2:
self.created_time = ("between", (created_time[0], created_time[1]))
if updated_time and len(updated_time) == 2:
self.updated_time = ("between", (updated_time[0], updated_time[1]))
# 关联查询字段
if created_id:
self.created_id = ("eq", created_id)
if updated_id:
self.updated_id = ("eq", updated_id)