feat: issues v2 endpoint (#2713)

* feat: issue v2 listing endpoint

* dev: issues v3 endpoint

* dev: add permission in the grouped endpoint

* dev: update grouped endpoint

apiserver/plane/api/serializers/issue.py

@@ -5,7 +5,7 @@ from django.utils import timezone
 from rest_framework import serializers
 
 # Module imports
-from .base import BaseSerializer
+from .base import BaseSerializer, DynamicBaseSerializer
 from .user import UserLiteSerializer
 from .state import StateSerializer, StateLiteSerializer
 from .project import ProjectLiteSerializer
@@ -548,7 +548,7 @@ class IssueSerializer(BaseSerializer):
         ]
 
 
-class IssueLiteSerializer(BaseSerializer):
+class IssueLiteSerializer(DynamicBaseSerializer):
     workspace_detail = WorkspaceLiteSerializer(read_only=True, source="workspace")
     project_detail = ProjectLiteSerializer(read_only=True, source="project")
     state_detail = StateLiteSerializer(read_only=True, source="state")

apiserver/plane/api/urls/issue.py

@@ -3,6 +3,8 @@ from django.urls import path
 
 from plane.api.views import (
     IssueViewSet,
+    IssueListEndpoint,
+    IssueListGroupedEndpoint,
     LabelViewSet,
     BulkCreateIssueLabelsEndpoint,
     BulkDeleteIssuesEndpoint,
@@ -35,6 +37,16 @@ urlpatterns = [
         ),
         name="project-issue",
     ),
+    path(
+        "v2/workspaces/<str:slug>/projects/<uuid:project_id>/issues/",
+        IssueListEndpoint.as_view(),
+        name="project-issue",
+    ),
+    path(
+        "v3/workspaces/<str:slug>/projects/<uuid:project_id>/issues/",
+        IssueListGroupedEndpoint.as_view(),
+        name="project-issue",
+    ),
     path(
         "workspaces/<str:slug>/projects/<uuid:project_id>/issues/<uuid:pk>/",
         IssueViewSet.as_view(

apiserver/plane/api/views/__init__.py

@@ -54,7 +54,12 @@ from .workspace import (
     LeaveWorkspaceEndpoint,
 )
 from .state import StateViewSet
-from .view import GlobalViewViewSet, GlobalViewIssuesViewSet, IssueViewViewSet, IssueViewFavoriteViewSet
+from .view import (
+    GlobalViewViewSet,
+    GlobalViewIssuesViewSet,
+    IssueViewViewSet,
+    IssueViewFavoriteViewSet,
+)
 from .cycle import (
     CycleViewSet,
     CycleIssueViewSet,
@@ -65,6 +70,8 @@ from .cycle import (
 from .asset import FileAssetEndpoint, UserAssetsEndpoint
 from .issue import (
     IssueViewSet,
+    IssueListEndpoint,
+    IssueListGroupedEndpoint,
     WorkSpaceIssuesEndpoint,
     IssueActivityEndpoint,
     IssueCommentViewSet,
@@ -162,7 +169,11 @@ from .analytic import (
     DefaultAnalyticsEndpoint,
 )
 
-from .notification import NotificationViewSet, UnreadNotificationEndpoint, MarkAllReadNotificationViewSet
+from .notification import (
+    NotificationViewSet,
+    UnreadNotificationEndpoint,
+    MarkAllReadNotificationViewSet,
+)
 
 from .exporter import ExportIssuesEndpoint
 

apiserver/plane/api/views/issue.py

@@ -312,6 +312,104 @@ class IssueViewSet(BaseViewSet):
         return Response(status=status.HTTP_204_NO_CONTENT)
 
 
+class IssueListEndpoint(BaseAPIView):
+    permission_classes = [
+        ProjectEntityPermission,
+    ]
+
+    def get(self, request, slug, project_id):
+        fields = [field for field in request.GET.get("fields", "").split(",") if field]
+        filters = issue_filters(request.query_params, "GET")
+
+        issue_queryset = (
+            Issue.objects.filter(workspace__slug=slug, project_id=project_id)
+            .select_related("project")
+            .select_related("workspace")
+            .select_related("state")
+            .select_related("parent")
+            .prefetch_related("assignees")
+            .prefetch_related("labels")
+            .prefetch_related(
+                Prefetch(
+                    "issue_reactions",
+                    queryset=IssueReaction.objects.select_related("actor"),
+                )
+            )
+            .filter(**filters)
+            .annotate(cycle_id=F("issue_cycle__cycle_id"))
+            .annotate(module_id=F("issue_module__module_id"))
+            .annotate(
+                link_count=IssueLink.objects.filter(issue=OuterRef("id"))
+                .order_by()
+                .annotate(count=Func(F("id"), function="Count"))
+                .values("count")
+            )
+            .annotate(
+                attachment_count=IssueAttachment.objects.filter(issue=OuterRef("id"))
+                .order_by()
+                .annotate(count=Func(F("id"), function="Count"))
+                .values("count")
+            )
+            .distinct()
+        )
+
+        serializer = IssueLiteSerializer(
+            issue_queryset, many=True, fields=fields if fields else None
+        )
+
+        return Response(serializer.data, status=status.HTTP_200_OK)
+
+
+class IssueListGroupedEndpoint(BaseAPIView):
+
+    permission_classes = [
+        ProjectEntityPermission,
+    ]
+
+    def get(self, request, slug, project_id):
+        filters = issue_filters(request.query_params, "GET")
+        fields = [field for field in request.GET.get("fields", "").split(",") if field]
+
+        issue_queryset = (
+            Issue.objects.filter(workspace__slug=slug, project_id=project_id)
+            .select_related("project")
+            .select_related("workspace")
+            .select_related("state")
+            .select_related("parent")
+            .prefetch_related("assignees")
+            .prefetch_related("labels")
+            .prefetch_related(
+                Prefetch(
+                    "issue_reactions",
+                    queryset=IssueReaction.objects.select_related("actor"),
+                )
+            )
+            .filter(**filters)
+            .annotate(cycle_id=F("issue_cycle__cycle_id"))
+            .annotate(module_id=F("issue_module__module_id"))
+            .annotate(
+                link_count=IssueLink.objects.filter(issue=OuterRef("id"))
+                .order_by()
+                .annotate(count=Func(F("id"), function="Count"))
+                .values("count")
+            )
+            .annotate(
+                attachment_count=IssueAttachment.objects.filter(issue=OuterRef("id"))
+                .order_by()
+                .annotate(count=Func(F("id"), function="Count"))
+                .values("count")
+            )
+            .distinct()
+        )
+
+        issues = IssueLiteSerializer(issue_queryset, many=True, fields=fields if fields else None).data
+        issue_dict = {str(issue["id"]): issue for issue in issues}
+        return Response(
+            issue_dict,
+            status=status.HTTP_200_OK,
+        )
+
+
 class UserWorkSpaceIssues(BaseAPIView):
     @method_decorator(gzip_page)
     def get(self, request, slug):