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from django.http import Http404 |
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from django.db.models import Q |
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from rest_framework import viewsets, decorators, status |
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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, DRYPermissionFiltersBase |
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from sigma_core.models.user import User |
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from sigma_core.models.group import Group |
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from sigma_core.models.group_member import GroupMember |
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from sigma_core.serializers.group import GroupSerializer |
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class GroupFilterBackend(DRYPermissionFiltersBase): |
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def filter_list_queryset(self, request, queryset, view): |
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""" |
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Limits all list requests to only be seen by the members or public groups. |
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""" |
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return queryset.prefetch_related('memberships__user').filter(Q(visibility=Group.VIS_PUBLIC) | Q(memberships__user=request.user)).distinct() |
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class GroupViewSet(viewsets.ModelViewSet): |
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queryset = Group.objects.all() |
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serializer_class = GroupSerializer |
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permission_classes = [IsAuthenticated, DRYPermissions, ] |
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filter_backends = (GroupFilterBackend, ) |
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@decorators.detail_route(methods=['put']) |
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def invite(self, request, pk=None): |
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try: |
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group = Group.objects.get(pk=pk) |
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user = User.objects.get(pk=request.data.get('user', None)) |
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if not request.user.can_invite(group): |
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return Response(status=status.HTTP_403_FORBIDDEN) |
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# Already group member ? |
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try: |
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GroupMember.objects.get(user=user.id, group=group.id) |
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return Response("Already Group member", status=status.HTTP_400_BAD_REQUEST) |
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except GroupMember.DoesNotExist: |
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pass |
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group.invited_users.add(user) |
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# user.notify() # TODO: Notification |
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s = GroupSerializer(group) |
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return Response(s.data, status=status.HTTP_200_OK) |
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except Group.DoesNotExist: |
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raise Http404("Group %d not found" % pk) |
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except User.DoesNotExist: |
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raise Http404("User %d not found" % request.data.get('user', None)) |
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ProjetSigma /
backend
