# Django imports from django.contrib.postgres.aggregates import ArrayAgg from django.contrib.postgres.fields import ArrayField from django.db.models import ( Case, CharField, Count, Exists, F, Func, OuterRef, Prefetch, Q, UUIDField, Value, When, ) from django.db.models.functions import Coalesce from django.utils import timezone # Third party imports from rest_framework import status from rest_framework.response import Response from plane.app.permissions import ProjectEntityPermission from plane.db.models import ( Cycle, UserFavorite, Issue, Label, User, ) from plane.utils.analytics_plot import burndown_plot # Module imports from .. import BaseAPIView class CycleArchiveUnarchiveEndpoint(BaseAPIView): permission_classes = [ ProjectEntityPermission, ] def get_queryset(self): favorite_subquery = UserFavorite.objects.filter( user=self.request.user, entity_type="cycle", entity_identifier=OuterRef("pk"), project_id=self.kwargs.get("project_id"), workspace__slug=self.kwargs.get("slug"), ) return ( Cycle.objects.filter(workspace__slug=self.kwargs.get("slug")) .filter(project_id=self.kwargs.get("project_id")) .filter(archived_at__isnull=False) .filter( project__project_projectmember__member=self.request.user, project__project_projectmember__is_active=True, ) .filter(project__archived_at__isnull=True) .select_related("project", "workspace", "owned_by") .prefetch_related( Prefetch( "issue_cycle__issue__assignees", queryset=User.objects.only( "avatar", "first_name", "id" ).distinct(), ) ) .prefetch_related( Prefetch( "issue_cycle__issue__labels", queryset=Label.objects.only( "name", "color", "id" ).distinct(), ) ) .annotate(is_favorite=Exists(favorite_subquery)) .annotate( total_issues=Count( "issue_cycle__issue__id", distinct=True, filter=Q( issue_cycle__issue__archived_at__isnull=True, issue_cycle__issue__is_draft=False, ), ) ) .annotate( completed_issues=Count( "issue_cycle__issue__id", distinct=True, filter=Q( issue_cycle__issue__state__group="completed", issue_cycle__issue__archived_at__isnull=True, issue_cycle__issue__is_draft=False, ), ) ) .annotate( cancelled_issues=Count( "issue_cycle__issue__id", distinct=True, filter=Q( issue_cycle__issue__state__group="cancelled", issue_cycle__issue__archived_at__isnull=True, issue_cycle__issue__is_draft=False, ), ) ) .annotate( started_issues=Count( "issue_cycle__issue__id", distinct=True, filter=Q( issue_cycle__issue__state__group="started", issue_cycle__issue__archived_at__isnull=True, issue_cycle__issue__is_draft=False, ), ) ) .annotate( unstarted_issues=Count( "issue_cycle__issue__id", distinct=True, filter=Q( issue_cycle__issue__state__group="unstarted", issue_cycle__issue__archived_at__isnull=True, issue_cycle__issue__is_draft=False, ), ) ) .annotate( backlog_issues=Count( "issue_cycle__issue__id", distinct=True, filter=Q( issue_cycle__issue__state__group="backlog", issue_cycle__issue__archived_at__isnull=True, issue_cycle__issue__is_draft=False, ), ) ) .annotate( status=Case( When( Q(start_date__lte=timezone.now()) & Q(end_date__gte=timezone.now()), then=Value("CURRENT"), ), When( start_date__gt=timezone.now(), then=Value("UPCOMING") ), When(end_date__lt=timezone.now(), then=Value("COMPLETED")), When( Q(start_date__isnull=True) & Q(end_date__isnull=True), then=Value("DRAFT"), ), default=Value("DRAFT"), output_field=CharField(), ) ) .annotate( assignee_ids=Coalesce( ArrayAgg( "issue_cycle__issue__assignees__id", distinct=True, filter=~Q( issue_cycle__issue__assignees__id__isnull=True ), ), Value([], output_field=ArrayField(UUIDField())), ) ) .order_by("-is_favorite", "name") .distinct() ) def get(self, request, slug, project_id, pk=None): plot_type = request.GET.get("plot_type", "issues") if pk is None: queryset = ( self.get_queryset() .annotate( total_issues=Count( "issue_cycle", filter=Q( issue_cycle__issue__archived_at__isnull=True, issue_cycle__issue__is_draft=False, ), ) ) .values( # necessary fields "id", "workspace_id", "project_id", # model fields "name", "description", "start_date", "end_date", "owned_by_id", "view_props", "sort_order", "external_source", "external_id", "progress_snapshot", # meta fields "total_issues", "is_favorite", "cancelled_issues", "completed_issues", "started_issues", "unstarted_issues", "backlog_issues", "assignee_ids", "status", "archived_at", ) ).order_by("-is_favorite", "-created_at") return Response(queryset, status=status.HTTP_200_OK) else: queryset = ( self.get_queryset() .filter(archived_at__isnull=False) .filter(pk=pk) ) data = ( self.get_queryset() .filter(pk=pk) .annotate( sub_issues=Issue.issue_objects.filter( project_id=self.kwargs.get("project_id"), parent__isnull=False, issue_cycle__cycle_id=pk, ) .order_by() .annotate(count=Func(F("id"), function="Count")) .values("count") ) .values( # necessary fields "id", "workspace_id", "project_id", # model fields "name", "description", "start_date", "end_date", "owned_by_id", "view_props", "sort_order", "external_source", "external_id", "progress_snapshot", "sub_issues", # meta fields "is_favorite", "total_issues", "cancelled_issues", "completed_issues", "started_issues", "unstarted_issues", "backlog_issues", "assignee_ids", "status", ) .first() ) queryset = queryset.first() if data is None: return Response( {"error": "Cycle does not exist"}, status=status.HTTP_400_BAD_REQUEST, ) # Assignee Distribution assignee_distribution = ( Issue.objects.filter( issue_cycle__cycle_id=pk, workspace__slug=slug, project_id=project_id, ) .annotate(first_name=F("assignees__first_name")) .annotate(last_name=F("assignees__last_name")) .annotate(assignee_id=F("assignees__id")) .annotate(avatar=F("assignees__avatar")) .annotate(display_name=F("assignees__display_name")) .values( "first_name", "last_name", "assignee_id", "avatar", "display_name", ) .annotate( total_issues=Count( "id", filter=Q(archived_at__isnull=True, is_draft=False), ), ) .annotate( completed_issues=Count( "id", filter=Q( completed_at__isnull=False, archived_at__isnull=True, is_draft=False, ), ) ) .annotate( pending_issues=Count( "id", filter=Q( completed_at__isnull=True, archived_at__isnull=True, is_draft=False, ), ) ) .order_by("first_name", "last_name") ) # Label Distribution label_distribution = ( Issue.objects.filter( issue_cycle__cycle_id=pk, workspace__slug=slug, project_id=project_id, ) .annotate(label_name=F("labels__name")) .annotate(color=F("labels__color")) .annotate(label_id=F("labels__id")) .values("label_name", "color", "label_id") .annotate( total_issues=Count( "id", filter=Q(archived_at__isnull=True, is_draft=False), ), ) .annotate( completed_issues=Count( "id", filter=Q( completed_at__isnull=False, archived_at__isnull=True, is_draft=False, ), ) ) .annotate( pending_issues=Count( "id", filter=Q( completed_at__isnull=True, archived_at__isnull=True, is_draft=False, ), ) ) .order_by("label_name") ) data["distribution"] = { "assignees": assignee_distribution, "labels": label_distribution, "completion_chart": {}, } if queryset.start_date and queryset.end_date: data["distribution"]["completion_chart"] = burndown_plot( queryset=queryset, slug=slug, project_id=project_id, plot_type=plot_type, cycle_id=pk, ) return Response( data, status=status.HTTP_200_OK, ) def post(self, request, slug, project_id, cycle_id): cycle = Cycle.objects.get( pk=cycle_id, project_id=project_id, workspace__slug=slug ) if cycle.end_date >= timezone.now().date(): return Response( {"error": "Only completed cycles can be archived"}, status=status.HTTP_400_BAD_REQUEST, ) cycle.archived_at = timezone.now() cycle.save() return Response( {"archived_at": str(cycle.archived_at)}, status=status.HTTP_200_OK, ) def delete(self, request, slug, project_id, cycle_id): cycle = Cycle.objects.get( pk=cycle_id, project_id=project_id, workspace__slug=slug ) cycle.archived_at = None cycle.save() return Response(status=status.HTTP_204_NO_CONTENT)