# -*- coding: utf-8 -*- """ @author: 猿小天 @contact: QQ:1638245306 @Created on: 2021/6/3 003 0:30 @Remark: 菜单按钮管理 """ from django.db.models import F, Subquery, OuterRef, Exists from rest_framework import serializers from rest_framework.decorators import action from rest_framework.permissions import IsAuthenticated from dvadmin.system.models import RoleMenuButtonPermission, Menu, MenuButton, Dept, RoleMenuPermission from dvadmin.system.views.menu import MenuSerializer from dvadmin.utils.json_response import DetailResponse, ErrorResponse from dvadmin.utils.serializers import CustomModelSerializer from dvadmin.utils.viewset import CustomModelViewSet class RoleMenuButtonPermissionSerializer(CustomModelSerializer): """ 菜单按钮-序列化器 """ class Meta: model = RoleMenuButtonPermission fields = "__all__" read_only_fields = ["id"] class RoleMenuButtonPermissionCreateUpdateSerializer(CustomModelSerializer): """ 初始化菜单按钮-序列化器 """ menu_button__name = serializers.CharField(source='menu_button.name', read_only=True) menu_button__value = serializers.CharField(source='menu_button.value', read_only=True) class Meta: model = RoleMenuButtonPermission fields = "__all__" read_only_fields = ["id"] class RoleButtonPermissionSerializer(CustomModelSerializer): """ 角色按钮权限 """ isCheck = serializers.SerializerMethodField() data_range = serializers.SerializerMethodField() def get_isCheck(self, instance): params = self.request.query_params return RoleMenuButtonPermission.objects.filter( menu_button__id=instance['id'], role__id=params.get('role'), ).exists() def get_data_range(self, instance): params = self.request.query_params obj = RoleMenuButtonPermission.objects.filter( menu_button__id=instance['id'], role__id=params.get('role'), ).first() if obj is None: return None return obj.data_range class Meta: model = MenuButton fields = ['id','name','value','isCheck','data_range'] class RoleMenuPermissionSerializer(CustomModelSerializer): """ 菜单和按钮权限 """ isCheck = serializers.SerializerMethodField() btns = serializers.SerializerMethodField() def get_isCheck(self, instance): params = self.request.query_params return RoleMenuPermission.objects.filter( menu__id=instance['id'], role__id=params.get('role'), ).exists() def get_btns(self, instance): btn_list = MenuButton.objects.filter(menu__id=instance['id']).values('id', 'name', 'value') serializer = RoleButtonPermissionSerializer(btn_list,many=True,request=self.request) return serializer.data class Meta: model = Menu fields = ['id','name','isCheck','btns'] class RoleMenuButtonPermissionViewSet(CustomModelViewSet): """ 菜单按钮接口 list:查询 create:新增 update:修改 retrieve:单例 destroy:删除 """ queryset = RoleMenuButtonPermission.objects.all() serializer_class = RoleMenuButtonPermissionSerializer create_serializer_class = RoleMenuButtonPermissionCreateUpdateSerializer update_serializer_class = RoleMenuButtonPermissionCreateUpdateSerializer extra_filter_class = [] @action(methods=['GET'], detail=False, permission_classes=[IsAuthenticated]) def get_role_premission(self, request): """ 角色授权获取: :param request: role :return: menu,btns,columns """ params = request.query_params role = params.get('role',None) if role is None: return ErrorResponse(msg="未获取到角色信息") is_superuser = request.user.is_superuser if is_superuser: queryset = Menu.objects.filter(status=1,is_catalog=False).values('name', 'id').all() else: role_id = request.user.role.values_list('id', flat=True) menu_list = RoleMenuPermission.objects.filter(role__in=role_id).values_list('id',flat=True) queryset = Menu.objects.filter(status=1, is_catalog=False,id__in=menu_list).values('name', 'id').all() serializer = RoleMenuPermissionSerializer(queryset,many=True,request=request) data = serializer.data return DetailResponse(data=data) @action(methods=['PUT'], detail=True, permission_classes=[IsAuthenticated]) def set_role_premission(self,request,pk): """ 对角色的菜单和按钮授权: :param request: :param pk: role :return: """ body = request.data RoleMenuPermission.objects.filter(role=pk).delete() RoleMenuButtonPermission.objects.filter(role=pk).delete() for menu in body: if menu.get('isCheck'): menu_parent = Menu.objects.filter(id=menu.get('id')).values('parent').first() RoleMenuPermission.objects.create(role_id=pk, menu_id=menu_parent.get('parent')) RoleMenuPermission.objects.create(role_id=pk, menu_id=menu.get('id')) for btn in menu.get('btns'): if btn.get('isCheck'): instance = RoleMenuButtonPermission.objects.create(role_id=pk, menu_button_id=btn.get('id'),data_range=btn.get('data_range')) instance.dept.set(btn.get('dept',[])) return DetailResponse(msg="授权成功") @action(methods=['GET'], detail=False, permission_classes=[IsAuthenticated]) def role_menu_get_button(self, request): """ 当前用户角色和菜单获取可下拉选项的按钮:角色授权页面使用 :param request: :return: """ if params := request.query_params: if menu_id := params.get('menu', None): is_superuser = request.user.is_superuser is_admin = request.user.role.values_list('admin', flat=True) if is_superuser or True in is_admin: queryset = MenuButton.objects.filter(menu=menu_id).values('id', 'name') else: role_list = request.user.role.values_list('id', flat=True) queryset = RoleMenuButtonPermission.objects.filter( role__in=role_list, menu_button__menu=menu_id ).values(btn_id=F('menu_button__id'), name=F('menu_button__name')) return DetailResponse(data=queryset) return ErrorResponse(msg="参数错误") @action(methods=['GET'], detail=False, permission_classes=[IsAuthenticated]) def data_scope(self, request): """ 获取数据权限范围:角色授权页面使用 :param request: :return: """ is_superuser = request.user.is_superuser if is_superuser: data = [ { "value": 0, "label": '仅本人数据权限' }, { "value": 1, "label": '本部门及以下数据权限' }, { "value": 2, "label": '本部门数据权限' }, { "value": 3, "label": '全部数据权限' }, { "value": 4, "label": '自定义数据权限' } ] return DetailResponse(data=data) else: data = [] role_list = request.user.role.values_list('id', flat=True) if params := request.query_params: if menu_button_id := params.get('menu_button', None): role_queryset = RoleMenuButtonPermission.objects.filter( role__in=role_list, menu_button__id=menu_button_id ).values_list('data_range', flat=True) data_range_list = list(set(role_queryset)) for item in data_range_list: if item == 0: data = [{ "value": 0, "label": '仅本人数据权限' }] elif item == 1: data = [{ "value": 0, "label": '仅本人数据权限' }, { "value": 1, "label": '本部门及以下数据权限' }, { "value": 2, "label": '本部门数据权限' }] elif item == 2: data = [{ "value": 0, "label": '仅本人数据权限' }, { "value": 2, "label": '本部门数据权限' }] elif item == 3: data = [{ "value": 0, "label": '仅本人数据权限' }, { "value": 3, "label": '全部数据权限' }, ] elif item == 4: data = [{ "value": 0, "label": '仅本人数据权限' }, { "value": 4, "label": '自定义数据权限' }] else: data = [] return DetailResponse(data=data) return ErrorResponse(msg="参数错误") @action(methods=['get'], detail=False, permission_classes=[IsAuthenticated]) def role_to_dept_all(self, request): """ 当前用户角色下所能授权的部门:角色授权页面使用 :param request: :return: """ params = request.query_params is_superuser = request.user.is_superuser is_admin = request.user.role.values_list('admin', flat=True) if is_superuser or True in is_admin: queryset = Dept.objects.values('id', 'name', 'parent') else: if not params: return ErrorResponse(msg="参数错误") menu_button = params.get('menu_button') if menu_button is None: return ErrorResponse(msg="参数错误") role_list = request.user.role.values_list('id', flat=True) queryset = RoleMenuButtonPermission.objects.filter(role__in=role_list, menu_button=None).values( dept_id=F('dept__id'), name=F('dept__name'), parent=F('dept__parent') ) return DetailResponse(data=queryset) @action(methods=['get'], detail=False, permission_classes=[IsAuthenticated]) def menu_to_button(self, request): """ 根据所选择菜单获取已配置的按钮/接口权限:角色授权页面使用 :param request: :return: """ params = request.query_params menu_id = params.get('menu', None) if menu_id is None: return ErrorResponse(msg="未获取到参数") is_superuser = request.user.is_superuser is_admin = request.user.role.values_list('admin', flat=True) if is_superuser or True in is_admin: queryset = RoleMenuButtonPermission.objects.filter(menu_button__menu=menu_id).values( 'id', 'data_range', 'menu_button', 'menu_button__name', 'menu_button__value' ) return DetailResponse(data=queryset) else: if params: role_id = params.get('role', None) if role_id is None: return ErrorResponse(msg="未获取到参数") queryset = RoleMenuButtonPermission.objects.filter(role=role_id, menu_button__menu=menu_id).values( 'id', 'data_range', 'menu_button', 'menu_button__name', 'menu_button__value' ) return DetailResponse(data=queryset) return ErrorResponse(msg="未获取到参数") @action(methods=['get'], detail=False, permission_classes=[IsAuthenticated]) def role_to_menu(self, request): """ 获取角色对应的按钮权限 :param request: :return: """ params = request.query_params role_id = params.get('role', None) if role_id is None: return ErrorResponse(msg="未获取到参数") queryset = RoleMenuPermission.objects.filter(role_id=role_id).values_list('menu_id', flat=True).distinct() return DetailResponse(data=queryset)