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99 lines
3.5 KiB
Python
99 lines
3.5 KiB
Python
from dataclasses import dataclass
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from fastapi import Query
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from pydantic import (
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BaseModel,
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ConfigDict,
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Field,
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field_validator,
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model_validator,
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)
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from app.common.enums import QueueEnum
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from app.core.base_params import BaseQueryParam, TenantByQueryParam, UserByQueryParam
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from app.core.base_schema import BaseSchema, TenantBySchema, UserBySchema
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from app.core.validator import DateStr, DateTimeStr, TimeStr
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class DemoCreateSchema(BaseModel):
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"""新增模型"""
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name: str = Field(..., description="名称")
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status: int = Field(default=0, ge=0, le=1, description="是否启用(0:启用 1:禁用)")
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description: str | None = Field(default=None, description="描述")
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int_val: int | None = Field(default=None, description="整数")
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bigint_val: int | None = Field(default=None, description="大整数")
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float_val: float | None = Field(default=None, description="浮点数")
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bool_val: bool = Field(default=True, description="布尔型")
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date_val: DateStr | None = Field(default=None, description="日期")
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time_val: TimeStr | None = Field(default=None, description="时间")
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datetime_val: DateTimeStr | None = Field(default=None, description="日期时间")
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text_val: str | None = Field(default=None, description="长文本")
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json_val: dict | None = Field(default=None, description="元数据(JSON格式)")
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@field_validator("name")
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@classmethod
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def validate_name(cls, v: str) -> str:
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"""
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验证名称字段的格式和内容。
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参数:
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- v (str): 原始名称。
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返回:
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- str: 去空白后的名称。
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异常:
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- ValueError: 名称为空时抛出。
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"""
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# 去除首尾空格
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v = v.strip()
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if not v:
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raise ValueError("名称不能为空")
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return v
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@model_validator(mode="after")
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def _after_validation(self):
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"""
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核心业务规则校验
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"""
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# 长度校验：名称最小长度
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if len(self.name) < 2 or len(self.name) > 50:
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raise ValueError("名称长度必须在2-50个字符之间")
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# 格式校验：名称只能包含字母、数字、下划线和中划线
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if not self.name.isalnum() and not all(c in "-_" for c in self.name):
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raise ValueError("名称只能包含字母、数字、下划线和中划线")
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if self.status not in [0, 1]:
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raise ValueError("是否启用必须为0或1")
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# 描述校验：描述最大长度
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if self.description and len(self.description) > 255:
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raise ValueError("描述长度不能超过255个字符")
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return self
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class DemoUpdateSchema(DemoCreateSchema):
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"""更新模型"""
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class DemoOutSchema(DemoCreateSchema, BaseSchema, UserBySchema, TenantBySchema):
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"""响应模型"""
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model_config = ConfigDict(from_attributes=True)
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@dataclass
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class DemoQueryParam(BaseQueryParam, UserByQueryParam, TenantByQueryParam):
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"""示例查询参数（演示 Mixin 继承用法）"""
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name: str | None = Query(None, description="名称")
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description: str | None = Query(None, description="描述")
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status: int | None = Query(None, description="是否启用")
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def __post_init__(self) -> None:
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if self.name:
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self.name = (QueueEnum.like.value, self.name)
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if self.description:
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self.description = (QueueEnum.like.value, self.description)
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if self.status:
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self.status = (QueueEnum.eq.value, self.status)
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