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Python

# -*- coding: utf-8 -*-
from collections.abc import Sequence
from app.core.base_crud import CRUDBase
from app.api.v1.module_system.auth.schema import AuthSchema
from .model import DemoModel
from .schema import DemoCreateSchema, DemoUpdateSchema, DemoOutSchema
class DemoCRUD(CRUDBase[DemoModel, DemoCreateSchema, DemoUpdateSchema]):
"""示例数据层"""
def __init__(self, auth: AuthSchema) -> None:
"""
初始化CRUD数据层
参数:
- auth (AuthSchema): 认证信息模型
"""
super().__init__(model=DemoModel, auth=auth)
async def get_by_id_crud(self, id: int, preload: list[str] | None = None) -> DemoModel | None:
"""
详情
参数:
- id (int): 示例ID
- preload (list[str] | None): 预加载关系,未提供时使用模型默认项
返回:
- DemoModel | None: 示例模型实例或None
"""
return await self.get(id=id, preload=preload)
async def list_crud(self, search: dict | None = None, order_by: list[dict] | None = None, preload: list[str] | None = None) -> Sequence[DemoModel]:
"""
列表查询
参数:
- search (dict | None): 查询参数
- order_by (list[dict] | None): 排序参数
- preload (list[str] | None): 预加载关系,未提供时使用模型默认项
返回:
- Sequence[DemoModel]: 示例模型实例序列
"""
return await self.list(search=search, order_by=order_by, preload=preload)
async def create_crud(self, data: DemoCreateSchema) -> DemoModel | None:
"""
创建
参数:
- data (DemoCreateSchema): 示例创建模型
返回:
- DemoModel | None: 示例模型实例或None
"""
return await self.create(data=data)
async def update_crud(self, id: int, data: DemoUpdateSchema) -> DemoModel | None:
"""
更新
参数:
- id (int): 示例ID
- data (DemoUpdateSchema): 示例更新模型
返回:
- DemoModel | None: 示例模型实例或None
"""
return await self.update(id=id, data=data)
async def delete_crud(self, ids: list[int]) -> None:
"""
批量删除
参数:
- ids (List[int]): 示例ID列表
返回:
- None
"""
return await self.delete(ids=ids)
async def set_available_crud(self, ids: list[int], status: str) -> None:
"""
批量设置可用状态
参数:
- ids (list[int]): 示例ID列表
- status (str): 可用状态
返回:
- None
"""
return await self.set(ids=ids, status=status)
async def page_crud(self, offset: int, limit: int, order_by: list[dict] | None = None, search: dict | None = None, preload: list | None = None) -> dict:
"""
分页查询
参数:
- offset (int): 偏移量
- limit (int): 每页数量
- order_by (list[dict] | None): 排序参数
- search (dict | None): 查询参数
- preload (list | None): 预加载关系,未提供时使用模型默认项
返回:
- dict: 分页数据
"""
order_by_list = order_by or [{'id': 'asc'}]
search_dict = search or {}
return await self.page(
offset=offset,
limit=limit,
order_by=order_by_list,
search=search_dict,
out_schema=DemoOutSchema,
preload=preload
)