355 lines
13 KiB
Python
355 lines
13 KiB
Python
from django.db.models import Q
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from django.shortcuts import get_object_or_404
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from rest_framework import status
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from rest_framework.exceptions import PermissionDenied
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from rest_framework.response import Response
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from rest_framework.filters import OrderingFilter, SearchFilter
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from django_filters.rest_framework import DjangoFilterBackend
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from rest_framework.viewsets import ModelViewSet
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from rest_framework.permissions import IsAuthenticated
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from rest_framework.parsers import FormParser, MultiPartParser, JSONParser
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from apps.notifications.services import (
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notify_workspace_membership_added,
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notify_workspace_membership_deactivated,
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notify_workspace_membership_removed,
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notify_workspace_membership_role_changed,
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)
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from apps.workspaces.api.permissions import (
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CanWorkspaceManageMembers,
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IsWorkspaceAdmin,
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IsWorkspaceMember,
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IsWorkspaceOwner,
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)
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from apps.workspaces.api.serializers import (
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PriceUnitSerializer,
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WorkspaceMembershipSerializer,
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WorkspaceSerializer,
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WorkspaceUserRateSerializer,
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WorkspaceUserRateCreateSerializer,
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WorkspaceUserRateUpdateSerializer,
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)
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from apps.workspaces.api.filters import WorkspaceFilter, WorkspaceMembershipFilter
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from apps.workspaces.models import PriceUnit, Workspace, WorkspaceMembership, WorkspaceUserRate
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from apps.workspaces.services import (
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WORKSPACE_MEMBERS_VIEW,
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WORKSPACE_EDIT,
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WORKSPACE_VIEW,
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can_assign_workspace_role,
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can_change_workspace_membership,
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has_workspace_capability,
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upsert_workspace_user_rate,
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update_workspace_user_rate,
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)
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from core.paginations.limit_offset import CustomLimitOffsetPagination
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class WorkspaceViewSet(ModelViewSet):
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serializer_class = WorkspaceSerializer
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parser_classes = [MultiPartParser, FormParser, JSONParser]
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pagination_class = CustomLimitOffsetPagination
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filter_backends = (DjangoFilterBackend, OrderingFilter, SearchFilter)
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filterset_class = WorkspaceFilter
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search_fields = ("name", "description")
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ordering_fields = ("created_at", "updated_at", "name")
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ordering = ("-updated_at", "-created_at")
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def get_queryset(self):
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user = self.request.user
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if not user.is_authenticated:
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return Workspace.objects.none()
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return Workspace.objects.filter(
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Q(owner=user) |
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Q(memberships__user=user, memberships__is_active=True)
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).distinct()
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def get_permissions(self):
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if self.action in ["list", "retrieve"]:
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return [IsAuthenticated(), IsWorkspaceMember()]
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if self.action in ["update", "partial_update"]:
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return [IsAuthenticated(), IsWorkspaceAdmin()]
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elif self.action == "destroy":
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return [IsAuthenticated(), IsWorkspaceOwner()]
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return [IsAuthenticated()]
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def perform_create(self, serializer):
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serializer.save(owner=self.request.user)
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class WorkspaceMembershipViewSet(ModelViewSet):
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serializer_class = WorkspaceMembershipSerializer
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pagination_class = CustomLimitOffsetPagination
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filter_backends = (DjangoFilterBackend, OrderingFilter, SearchFilter)
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filterset_class = WorkspaceMembershipFilter
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search_fields = (
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"user__mobile",
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"user__email",
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"user__first_name",
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"user__last_name",
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"workspace__name"
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)
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ordering_fields = ("joined_at", "created_at", "role")
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ordering = ("-created_at",)
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def get_queryset(self):
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user = self.request.user
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if not user.is_authenticated:
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return WorkspaceMembership.objects.none()
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return WorkspaceMembership.objects.filter(
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Q(workspace__owner=user) |
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Q(workspace__memberships__user=user, workspace__memberships__is_active=True)
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).distinct()
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def get_permissions(self):
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if self.action in ["list", "retrieve"]:
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return [IsAuthenticated()]
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if self.action in ["create", "update", "partial_update"]:
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return [IsAuthenticated(), CanWorkspaceManageMembers()]
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if self.action in ["destroy"]:
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return [IsAuthenticated(), CanWorkspaceManageMembers()]
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return [IsAuthenticated()]
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def list(self, request, *args, **kwargs):
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workspace_id = request.query_params.get("workspace")
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if not workspace_id:
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return Response(
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{"detail": "workspace query parameter is required."},
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status=status.HTTP_400_BAD_REQUEST,
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)
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workspace = get_object_or_404(Workspace, id=workspace_id, is_deleted=False)
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if not has_workspace_capability(request.user, workspace, WORKSPACE_VIEW):
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return Response(
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{"detail": "You do not have permission to view workspace members."},
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status=status.HTTP_403_FORBIDDEN,
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)
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return super().list(request, *args, **kwargs)
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def create(self, request, *args, **kwargs):
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"""
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Overridden to check permissions manually.
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Because the membership object doesn't exist yet, standard DRF object-level
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permissions won't catch payload-level workspace violations.
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"""
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workspace_id = request.data.get("workspace")
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if not workspace_id:
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return Response(
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{"workspace": ["This field is required."]},
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status=status.HTTP_400_BAD_REQUEST
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)
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workspace = get_object_or_404(Workspace, id=workspace_id)
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permission = IsWorkspaceAdmin()
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if not permission.has_object_permission(request, self, workspace):
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return Response(
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{"detail": "You must be a Workspace Admin or Owner to add members."},
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status=status.HTTP_403_FORBIDDEN
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)
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requested_role = request.data.get("role")
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if requested_role and not can_assign_workspace_role(
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request.user,
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workspace,
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requested_role,
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):
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return Response(
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{"detail": "You do not have permission to assign this workspace role."},
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status=status.HTTP_403_FORBIDDEN,
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)
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payload = request.data.copy()
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if payload.get("user") and not payload.get("user_id"):
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payload["user_id"] = payload.get("user")
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serializer = self.get_serializer(data=payload)
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serializer.is_valid(raise_exception=True)
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membership = serializer.save()
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notify_workspace_membership_added(
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actor=request.user,
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recipient=membership.user,
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workspace=membership.workspace,
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role=membership.role,
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)
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return Response(
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WorkspaceMembershipSerializer(membership, context=self.get_serializer_context()).data,
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status=status.HTTP_201_CREATED,
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)
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def update(self, request, *args, **kwargs):
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partial = kwargs.pop("partial", False)
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membership = self.get_object()
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previous_role = membership.role
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previous_is_active = membership.is_active
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requested_role = request.data.get("role")
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if not can_change_workspace_membership(
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request.user,
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membership,
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new_role=requested_role,
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):
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return Response(
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{"detail": "You do not have permission to change this workspace membership."},
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status=status.HTTP_403_FORBIDDEN,
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)
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serializer = self.get_serializer(membership, data=request.data, partial=partial)
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serializer.is_valid(raise_exception=True)
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updated_membership = serializer.save()
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if not previous_is_active and updated_membership.is_active:
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notify_workspace_membership_added(
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actor=request.user,
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recipient=updated_membership.user,
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workspace=updated_membership.workspace,
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role=updated_membership.role,
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)
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elif previous_is_active and not updated_membership.is_active:
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notify_workspace_membership_deactivated(
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actor=request.user,
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recipient=updated_membership.user,
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workspace=updated_membership.workspace,
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role=previous_role,
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)
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elif previous_role != updated_membership.role:
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notify_workspace_membership_role_changed(
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actor=request.user,
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recipient=updated_membership.user,
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workspace=updated_membership.workspace,
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previous_role=previous_role,
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new_role=updated_membership.role,
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)
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return Response(
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WorkspaceMembershipSerializer(
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updated_membership,
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context=self.get_serializer_context(),
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).data,
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status=status.HTTP_200_OK,
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)
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def partial_update(self, request, *args, **kwargs):
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kwargs["partial"] = True
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return self.update(request, *args, **kwargs)
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def destroy(self, request, *args, **kwargs):
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membership = self.get_object()
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if not can_change_workspace_membership(request.user, membership):
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return Response(
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{"detail": "You do not have permission to remove this workspace membership."},
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status=status.HTTP_403_FORBIDDEN,
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)
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recipient = membership.user
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workspace = membership.workspace
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role = membership.role
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membership.delete()
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notify_workspace_membership_removed(
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actor=request.user,
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recipient=recipient,
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workspace=workspace,
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role=role,
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)
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return Response(status=status.HTTP_204_NO_CONTENT)
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class PriceUnitViewSet(ModelViewSet):
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serializer_class = PriceUnitSerializer
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permission_classes = [IsAuthenticated]
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http_method_names = ["get", "head", "options"]
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pagination_class = None
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filter_backends = (SearchFilter, OrderingFilter)
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search_fields = ("code", "name", "local_name", "symbol")
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ordering_fields = ("code", "name")
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ordering = ("code",)
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def get_queryset(self):
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return PriceUnit.objects.filter(is_deleted=False)
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class WorkspaceUserRateViewSet(ModelViewSet):
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serializer_class = WorkspaceUserRateSerializer
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pagination_class = CustomLimitOffsetPagination
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filter_backends = (DjangoFilterBackend, OrderingFilter)
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filterset_fields = ("workspace", "user", "currency")
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ordering_fields = ("effective_from", "updated_at", "created_at")
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ordering = ("-effective_from", "-updated_at")
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def get_queryset(self):
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user = self.request.user
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if not user.is_authenticated:
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return WorkspaceUserRate.objects.none()
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return WorkspaceUserRate.objects.filter(
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workspace__memberships__user=user,
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workspace__memberships__is_active=True,
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is_deleted=False,
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).distinct()
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def get_serializer_class(self):
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if self.action == "create":
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return WorkspaceUserRateCreateSerializer
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if self.action in ["update", "partial_update"]:
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return WorkspaceUserRateUpdateSerializer
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return WorkspaceUserRateSerializer
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def _ensure_manage_access(self, user, workspace):
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if not has_workspace_capability(user, workspace, WORKSPACE_EDIT):
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raise PermissionDenied("You do not have permission to manage workspace rates.")
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def list(self, request, *args, **kwargs):
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workspace_id = request.query_params.get("workspace")
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if not workspace_id:
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return Response(
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{"detail": "workspace query parameter is required."},
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status=status.HTTP_400_BAD_REQUEST,
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)
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workspace = get_object_or_404(Workspace, id=workspace_id, is_deleted=False)
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self._ensure_manage_access(request.user, workspace)
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return super().list(request, *args, **kwargs)
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def create(self, request, *args, **kwargs):
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serializer = self.get_serializer(data=request.data)
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serializer.is_valid(raise_exception=True)
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workspace = get_object_or_404(
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Workspace,
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id=serializer.validated_data["workspace_id"],
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is_deleted=False,
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)
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self._ensure_manage_access(request.user, workspace)
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rate = upsert_workspace_user_rate(
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workspace=workspace,
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user_id=serializer.validated_data["user_id"],
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hourly_rate=serializer.validated_data["hourly_rate"],
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currency=serializer.validated_data.get("currency", "USD"),
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)
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return Response(
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WorkspaceUserRateSerializer(rate, context=self.get_serializer_context()).data,
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status=status.HTTP_201_CREATED,
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)
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def update(self, request, *args, **kwargs):
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rate = self.get_object()
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self._ensure_manage_access(request.user, rate.workspace)
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serializer = self.get_serializer(data=request.data, partial=kwargs.pop("partial", False))
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serializer.is_valid(raise_exception=True)
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updated_rate = update_workspace_user_rate(rate, **serializer.validated_data)
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return Response(
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WorkspaceUserRateSerializer(updated_rate, context=self.get_serializer_context()).data,
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status=status.HTTP_200_OK,
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)
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def partial_update(self, request, *args, **kwargs):
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kwargs["partial"] = True
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return self.update(request, *args, **kwargs)
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def destroy(self, request, *args, **kwargs):
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rate = self.get_object()
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self._ensure_manage_access(request.user, rate.workspace)
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rate.delete()
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return Response(status=status.HTTP_204_NO_CONTENT)
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