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后端源码/yifan.action-ai.cn/app/api/v1/module_system/menu/service.py
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177
后端源码/yifan.action-ai.cn/app/api/v1/module_system/menu/service.py
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# -*- coding: utf-8 -*-
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from app.core.base_schema import BatchSetAvailable
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from app.core.exceptions import CustomException
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from app.utils.common_util import (
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get_parent_id_map,
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get_parent_recursion,
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get_child_id_map,
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get_child_recursion,
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traversal_to_tree
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)
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from ..auth.schema import AuthSchema
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from .crud import MenuCRUD
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from .schema import (
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MenuCreateSchema,
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MenuUpdateSchema,
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MenuOutSchema,
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MenuQueryParam
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)
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class MenuService:
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"""
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菜单模块服务层
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"""
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@classmethod
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async def get_menu_detail_service(cls, auth: AuthSchema, id: int) -> dict:
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"""
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获取菜单详情。
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参数:
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- auth (AuthSchema): 认证对象。
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- id (int): 菜单ID。
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返回:
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- dict: 菜单详情对象。
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"""
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menu = await MenuCRUD(auth).get_by_id_crud(id=id)
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# 创建实例后再设置parent_name属性
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menu_out = MenuOutSchema.model_validate(menu)
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if menu and menu.parent_id:
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parent = await MenuCRUD(auth).get_by_id_crud(id=menu.parent_id)
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if parent:
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menu_out.parent_name = parent.name
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return menu_out.model_dump()
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@classmethod
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async def get_menu_tree_service(cls, auth: AuthSchema, search: MenuQueryParam | None = None, order_by: list[dict] | None = None) -> list[dict]:
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"""
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获取菜单树形列表。
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参数:
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- auth (AuthSchema): 认证对象。
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- search (MenuQueryParam | None): 查询参数对象。
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- order_by (list[dict] | None): 排序参数列表。
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返回:
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- list[dict]: 菜单树形列表对象。
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"""
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# 使用树形结构查询,预加载children关系
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menu_list = await MenuCRUD(auth).get_tree_list_crud(search=search.__dict__, order_by=order_by)
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# 转换为字典列表
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menu_dict_list = [MenuOutSchema.model_validate(menu).model_dump() for menu in menu_list]
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# 使用traversal_to_tree构建树形结构
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return traversal_to_tree(menu_dict_list)
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@classmethod
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async def create_menu_service(cls, auth: AuthSchema, data: MenuCreateSchema) -> dict:
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"""
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创建菜单。
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参数:
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- auth (AuthSchema): 认证对象。
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- data (MenuCreateSchema): 创建参数对象。
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返回:
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- dict: 创建的菜单对象。
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"""
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menu = await MenuCRUD(auth).get(name=data.name)
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if menu:
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raise CustomException(msg='创建失败,该菜单已存在')
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new_menu = await MenuCRUD(auth).create(data=data)
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new_menu_dict = MenuOutSchema.model_validate(new_menu).model_dump()
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return new_menu_dict
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@classmethod
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async def update_menu_service(cls, auth: AuthSchema,id:int, data: MenuUpdateSchema) -> dict:
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"""
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更新菜单。
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参数:
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- auth (AuthSchema): 认证对象。
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- id (int): 菜单ID。
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- data (MenuUpdateSchema): 更新参数对象。
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返回:
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- dict: 更新的菜单对象。
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"""
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menu = await MenuCRUD(auth).get_by_id_crud(id=id)
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if not menu:
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raise CustomException(msg='更新失败,该菜单不存在')
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exist_menu = await MenuCRUD(auth).get(name=data.name)
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if exist_menu and exist_menu.id != id:
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raise CustomException(msg='更新失败,菜单名称重复')
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if data.parent_id:
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parent_menu = await MenuCRUD(auth).get_by_id_crud(id=data.parent_id)
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if not parent_menu:
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raise CustomException(msg='更新失败,父级菜单不存在')
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data.parent_name = parent_menu.name
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new_menu = await MenuCRUD(auth).update(id=id, data=data)
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await cls.set_menu_available_service(auth=auth, data=BatchSetAvailable(ids=[id], status=data.status))
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new_menu_dict = MenuOutSchema.model_validate(new_menu).model_dump()
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return new_menu_dict
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@classmethod
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async def delete_menu_service(cls, auth: AuthSchema, ids: list[int]) -> None:
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"""
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删除菜单。
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参数:
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- auth (AuthSchema): 认证对象。
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- ids (list[int]): 菜单ID列表。
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返回:
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- None
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"""
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if len(ids) < 1:
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raise CustomException(msg='删除失败,删除对象不能为空')
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for id in ids:
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menu = await MenuCRUD(auth).get_by_id_crud(id=id)
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if not menu:
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raise CustomException(msg='删除失败,该菜单不存在')
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# 校验是否存在子级菜单,存在则禁止删除
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menu_list = await MenuCRUD(auth).get_list_crud()
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id_map = get_child_id_map(model_list=menu_list)
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for id in ids:
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descendants = get_child_recursion(id=id, id_map=id_map)
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if len(descendants) > 1:
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raise CustomException(msg='删除失败,存在子级菜单,请先删除子级菜单')
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await MenuCRUD(auth).delete(ids=ids)
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@classmethod
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async def set_menu_available_service(cls, auth: AuthSchema, data: BatchSetAvailable) -> None:
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"""
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递归获取所有父、子级菜单,然后批量修改菜单可用状态。
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参数:
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- auth (AuthSchema): 认证对象。
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- data (BatchSetAvailable): 批量设置可用参数对象。
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返回:
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- None
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"""
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menu_list = await MenuCRUD(auth).get_list_crud()
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total_ids = []
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if data.status:
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# 激活,则需要把所有父级菜单都激活
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id_map = get_parent_id_map(model_list=menu_list)
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for menu_id in data.ids:
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enable_ids = get_parent_recursion(id=menu_id, id_map=id_map)
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total_ids.extend(enable_ids)
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else:
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# 禁止,则需要把所有子级菜单都禁止
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id_map = get_child_id_map(model_list=menu_list)
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for menu_id in data.ids:
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disable_ids = get_child_recursion(id=menu_id, id_map=id_map)
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total_ids.extend(disable_ids)
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await MenuCRUD(auth).set_available_crud(ids=total_ids, status=data.status)
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