schema.py 2.7 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576
  1. # -*- coding: utf-8 -*-
  2. from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator
  3. from fastapi import Query
  4. from app.core.validator import DateTimeStr
  5. from app.core.base_schema import BaseSchema, UserBySchema
  6. class DemoCreateSchema(BaseModel):
  7. """新增模型"""
  8. name: str = Field(..., min_length=2, max_length=50, description='名称')
  9. status: str = Field(default="0", description="是否启用(0:启用 1:禁用)")
  10. description: str | None = Field(default=None, max_length=255, description="描述")
  11. @field_validator('name')
  12. @classmethod
  13. def validate_name(cls, v: str) -> str:
  14. """验证名称字段的格式和内容"""
  15. # 去除首尾空格
  16. v = v.strip()
  17. if not v:
  18. raise ValueError('名称不能为空')
  19. return v
  20. @model_validator(mode='after')
  21. def _after_validation(self):
  22. """
  23. 核心业务规则校验
  24. """
  25. # 长度校验:名称最小长度
  26. if len(self.name) < 2 or len(self.name) > 50:
  27. raise ValueError('名称长度必须在2-50个字符之间')
  28. # 格式校验:名称只能包含字母、数字、下划线和中划线
  29. if not self.name.isalnum() and not all(c in '-_' for c in self.name):
  30. raise ValueError('名称只能包含字母、数字、下划线和中划线')
  31. return self
  32. class DemoUpdateSchema(DemoCreateSchema):
  33. """更新模型"""
  34. ...
  35. class DemoOutSchema(DemoCreateSchema, BaseSchema, UserBySchema):
  36. """响应模型"""
  37. model_config = ConfigDict(from_attributes=True)
  38. class DemoQueryParam:
  39. """示例查询参数"""
  40. def __init__(
  41. self,
  42. name: str | None = Query(None, description="名称"),
  43. status: str | None = Query(None, description="是否启用"),
  44. 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"]),
  45. 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"]),
  46. created_id: int | None = Query(None, description="创建人"),
  47. updated_id: int | None = Query(None, description="更新人"),
  48. ) -> None:
  49. # 模糊查询字段
  50. self.name = ("like", name)
  51. # 精确查询字段
  52. self.created_id = created_id
  53. self.updated_id = updated_id
  54. self.status = status
  55. # 时间范围查询
  56. if created_time and len(created_time) == 2:
  57. self.created_time = ("between", (created_time[0], created_time[1]))
  58. if updated_time and len(updated_time) == 2:
  59. self.updated_time = ("between", (updated_time[0], updated_time[1]))