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from django.http import Http404, HttpResponseForbidden |
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from django.core.exceptions import ValidationError |
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from django.db.models import Q |
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from rest_framework import viewsets, decorators, status, mixins |
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from rest_framework.response import Response |
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from rest_framework.permissions import IsAuthenticated |
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from dry_rest_permissions.generics import DRYPermissions |
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from sigma_core.models.group_field import GroupField |
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from sigma_core.models.group_member import GroupMember |
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from sigma_core.models.group_member_value import GroupMemberValue |
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from sigma_core.serializers.group_member_value import GroupMemberValueSerializer |
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class GroupMemberValueViewSet( |
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# You can only create a customfield for yourself |
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# and you should be member of the group |
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# and the group and customfield should match |
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# ie membership.user = request.user && membership.group == field.group |
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mixins.CreateModelMixin, |
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# Only *accepted* group members can see other members custom fields |
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# But you can always see your own custom fields |
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mixins.RetrieveModelMixin, |
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mixins.UpdateModelMixin, # Only your own fields |
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mixins.DestroyModelMixin, # Only your own fields |
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mixins.ListModelMixin, # Same as "Retrieve" |
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viewsets.GenericViewSet): |
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queryset = GroupMemberValue.objects.all() |
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available_memberships = GroupMember.objects.all() |
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serializer_class = GroupMemberValueSerializer |
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permission_classes = [IsAuthenticated, DRYPermissions, ] |
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filter_fields = ('membership__user', 'membership__group', 'membership', 'field', 'value') |
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# HERE we handle permissions filtering |
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# You will never see fields for groups you are not a member of |
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def get_queryset(self): |
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from sigma_core.models.group_member import GroupMember |
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if not self.request.user.is_authenticated(): |
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return self.queryset.none() |
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if self.request.user.is_sigma_admin(): |
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return self.queryset |
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# @sqlperf: Find which one is the most efficient |
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my_groups = self.available_memberships.filter(user=self.request.user.id).filter(perm_rank__gte=1).values_list('group', flat=True) |
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#my_groups = GroupMember.objects.filter(user=self.request.user.id) |
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# But can always see your own custom fields |
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return self.queryset.filter(Q(membership__group__in=my_groups) | Q(membership__user=self.request.user.id)) |
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def create(self, request): |
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serializer = GroupMemberValueSerializer(data=request.data) |
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if not serializer.is_valid(): |
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return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST) |
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mship = serializer.validated_data.get('membership') |
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# Only Sigma admins can create values for other members |
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if mship.user != request.user and not request.user.is_sigma_admin(): |
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return Response(status=status.HTTP_400_BAD_REQUEST) |
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serializer.save() |
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return Response(serializer.data, status=status.HTTP_201_CREATED) |
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ProjetSigma /
backend
