131 lines
5.9 KiB
Python
Executable File
131 lines
5.9 KiB
Python
Executable File
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from django.core.cache import cache
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from rest_framework.decorators import action
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from rest_framework.exceptions import ValidationError
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from rest_framework.mixins import (CreateModelMixin, ListModelMixin,
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RetrieveModelMixin, UpdateModelMixin, DestroyModelMixin)
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from rest_framework.permissions import IsAuthenticated
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from rest_framework.response import Response
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from rest_framework.viewsets import GenericViewSet
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from apps.system.models import DataFilter, Dept
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from apps.utils.errors import PKS_ERROR
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from apps.utils.mixins import MyLoggingMixin
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from apps.utils.permission import ALL_PERMS, RbacPermission, get_user_perms_map
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from apps.utils.queryset import get_child_queryset2
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from apps.utils.serializers import PkSerializer
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from rest_framework.throttling import UserRateThrottle
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class CustomGenericViewSet(MyLoggingMixin, GenericViewSet):
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"""
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增强的GenericViewSet
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"""
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perms_map = {} # 权限标识
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throttle_classes = [UserRateThrottle]
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logging_methods = ['POST', 'PUT', 'PATCH', 'DELETE']
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ordering_fields = '__all__'
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ordering = '-create_time'
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filterset_fields = []
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create_serializer_class = None
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update_serializer_class = None
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partial_update_serializer_class = None
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list_serializer_class = None
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retrieve_serializer_class = None
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select_related_fields = []
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prefetch_related_fields = []
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permission_classes = [IsAuthenticated & RbacPermission]
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data_filter = False # 数据权限过滤是否开启(需要RbacPermission)
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def get_serializer_class(self):
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action_serializer_name = f"{self.action}_serializer_class"
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action_serializer_class = getattr(self, action_serializer_name, None)
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if action_serializer_class:
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return action_serializer_class
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return super().get_serializer_class()
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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if self.perms_map:
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for k, v in self.perms_map.items():
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if v not in ALL_PERMS and v != '*':
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ALL_PERMS.append(v)
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def get_queryset(self):
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queryset = super().get_queryset()
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if self.select_related_fields:
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queryset = queryset.select_related(*self.select_related_fields)
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if self.prefetch_related_fields:
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queryset = queryset.prefetch_related(*self.prefetch_related_fields)
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if self.data_filter:
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if self.request.user.is_superuser:
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return queryset
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if hasattr(queryset.model, 'belong_dept'):
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user = self.request.user
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user_perms_map = cache.get('perms_' + user.id, None)
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if user_perms_map is None:
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user_perms_map = get_user_perms_map(self.request.user)
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if isinstance(user_perms_map, dict):
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if hasattr(self.view, 'perms_map'):
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perms_map = self.view.perms_map
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action_str = perms_map.get(self.request._request.method.lower(), None)
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if '*' in perms_map:
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return queryset
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elif action_str == '*':
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return queryset
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elif action_str in user_perms_map:
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new_queryset = queryset.none()
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for dept_id, data_range in user_perms_map[action_str].items:
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dept = Dept.objects.get(id=dept_id)
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if data_range == DataFilter.ALL:
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return queryset
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elif data_range == DataFilter.SAMELEVE_AND_BELOW:
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if dept.parent:
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belong_depts = get_child_queryset2(dept.parent)
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else:
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belong_depts = get_child_queryset2(dept)
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queryset = queryset.filter(belong_dept__in=belong_depts)
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elif data_range == DataFilter.THISLEVEL_AND_BELOW:
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belong_depts = get_child_queryset2(dept)
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queryset = queryset.filter(belong_dept__in=belong_depts)
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elif data_range == DataFilter.THISLEVEL:
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queryset = queryset.filter(belong_dept=dept)
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elif data_range == DataFilter.MYSELF:
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queryset = queryset.filter(create_by=user)
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new_queryset = new_queryset | queryset
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return new_queryset
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else:
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return queryset.none()
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return queryset
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class CustomModelViewSet(CreateModelMixin, UpdateModelMixin, ListModelMixin,
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RetrieveModelMixin, DestroyModelMixin, CustomGenericViewSet):
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"""
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增强的ModelViewSet
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"""
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def __init__(self, **kwargs) -> None:
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super().__init__(**kwargs)
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# 增加默认权限标识
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if not self.perms_map:
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basename = self.basename
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self.perms_map = {'get': '*', 'post': '{}.create'.format(basename), 'put': '{}.update'.format(
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basename), 'patch': '{}.update'.format(basename), 'delete': '{}.delete'.format(basename)}
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for k, v in self.perms_map.items():
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if v not in ALL_PERMS and v != '*':
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ALL_PERMS.append(v)
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@action(methods=['post'], detail=False, serializer_class=PkSerializer)
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def deletes(self, request, *args, **kwargs):
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"""
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批量删除
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"""
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request_data = request.data
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pks = request_data.get('pks', None)
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if pks:
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self.get_queryset().filter(id__in=pks).delete()
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return Response(status=204)
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else:
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raise ValidationError(**PKS_ERROR)
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