FastapiAdmin/backend/app/plugin/module_example/demo/crud.py

from collections.abc import Sequence

from app.api.v1.module_system.auth.schema import AuthSchema
from app.core.base_crud import CRUDBase

from .model import DemoModel
from .schema import DemoCreateSchema, DemoOutSchema, DemoUpdateSchema


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,
        )