[WEB-2442] feat: Revamp Timeline Layout

apiserver/plane/app/serializers/base.py

@@ -49,44 +49,47 @@ def _filter_fields(self, fields):
                 allowed.append(list(item.keys())[0])
 
         for field in allowed:
-            from . import (
-                WorkspaceLiteSerializer,
-                ProjectLiteSerializer,
-                UserLiteSerializer,
-                StateLiteSerializer,
-                IssueSerializer,
-                LabelSerializer,
-                CycleIssueSerializer,
-                IssueLiteSerializer,
-                IssueRelationSerializer,
-                InboxIssueLiteSerializer,
-                IssueReactionLiteSerializer,
-                IssueLinkLiteSerializer,
-            )
-
-            # Expansion mapper
-            expansion = {
-                "user": UserLiteSerializer,
-                "workspace": WorkspaceLiteSerializer,
-                "project": ProjectLiteSerializer,
-                "default_assignee": UserLiteSerializer,
-                "project_lead": UserLiteSerializer,
-                "state": StateLiteSerializer,
-                "created_by": UserLiteSerializer,
-                "issue": IssueSerializer,
-                "actor": UserLiteSerializer,
-                "owned_by": UserLiteSerializer,
-                "members": UserLiteSerializer,
-                "assignees": UserLiteSerializer,
-                "labels": LabelSerializer,
-                "issue_cycle": CycleIssueSerializer,
-                "parent": IssueLiteSerializer,
-                "issue_relation": IssueRelationSerializer,
-                "issue_inbox": InboxIssueLiteSerializer,
-                "issue_reactions": IssueReactionLiteSerializer,
-                "issue_link": IssueLinkLiteSerializer,
-                "sub_issues": IssueLiteSerializer,
-            }
+            if field not in self.fields:
+                from . import (
+                    WorkspaceLiteSerializer,
+                    ProjectLiteSerializer,
+                    UserLiteSerializer,
+                    StateLiteSerializer,
+                    IssueSerializer,
+                    LabelSerializer,
+                    CycleIssueSerializer,
+                    IssueLiteSerializer,
+                    IssueRelationSerializer,
+                    InboxIssueLiteSerializer,
+                    IssueReactionLiteSerializer,
+                    IssueLinkLiteSerializer,
+                    RelatedIssueSerializer,
+                )
+
+                # Expansion mapper
+                expansion = {
+                    "user": UserLiteSerializer,
+                    "workspace": WorkspaceLiteSerializer,
+                    "project": ProjectLiteSerializer,
+                    "default_assignee": UserLiteSerializer,
+                    "project_lead": UserLiteSerializer,
+                    "state": StateLiteSerializer,
+                    "created_by": UserLiteSerializer,
+                    "issue": IssueSerializer,
+                    "actor": UserLiteSerializer,
+                    "owned_by": UserLiteSerializer,
+                    "members": UserLiteSerializer,
+                    "assignees": UserLiteSerializer,
+                    "labels": LabelSerializer,
+                    "issue_cycle": CycleIssueSerializer,
+                    "parent": IssueLiteSerializer,
+                    "issue_relation": IssueRelationSerializer,
+                    "issue_related": RelatedIssueSerializer,
+                    "issue_inbox": InboxIssueLiteSerializer,
+                    "issue_reactions": IssueReactionLiteSerializer,
+                    "issue_link": IssueLinkLiteSerializer,
+                    "sub_issues": IssueLiteSerializer,
+                }
 
             if field not in self.fields and field in expansion:
                 self.fields[field] = expansion[field](
@@ -104,6 +107,7 @@ def _filter_fields(self, fields):
                             "issue_attachment",
                             "issue_link",
                             "sub_issues",
+                            "issue_related",
                         ]
                         else False
                     )
@@ -133,6 +137,7 @@ def to_representation(self, instance):
                         IssueReactionLiteSerializer,
                         IssueAttachmentLiteSerializer,
                         IssueLinkLiteSerializer,
+                        RelatedIssueSerializer,
                     )
 
                     # Expansion mapper
@@ -153,6 +158,7 @@ def to_representation(self, instance):
                         "issue_cycle": CycleIssueSerializer,
                         "parent": IssueLiteSerializer,
                         "issue_relation": IssueRelationSerializer,
+                        "issue_related": RelatedIssueSerializer,
                         "issue_inbox": InboxIssueLiteSerializer,
                         "issue_reactions": IssueReactionLiteSerializer,
                         "issue_attachment": IssueAttachmentLiteSerializer,

apiserver/plane/app/urls/issue.py

@@ -21,7 +21,9 @@
     BulkArchiveIssuesEndpoint,
     DeletedIssuesListViewSet,
     IssuePaginatedViewSet,
+    IssueDetailEndpoint,
     IssueAttachmentV2Endpoint,
+    IssueBulkUpdateDateEndpoint,
 )
 
 urlpatterns = [
@@ -40,6 +42,12 @@
         ),
         name="project-issue",
     ),
+    path(
+        "workspaces/<str:slug>/projects/<uuid:project_id>/issues-detail/",
+        IssueDetailEndpoint.as_view(),
+        name="project-issue-detail",
+    ),
+    # updated v1 paginated issues
     # updated v2 paginated issues
     path(
         "workspaces/<str:slug>/projects/<uuid:project_id>/v2/issues/",
@@ -307,4 +315,9 @@
         DeletedIssuesListViewSet.as_view(),
         name="deleted-issues",
     ),
+    path(
+        "workspaces/<str:slug>/projects/<uuid:project_id>/issue-dates/",
+        IssueBulkUpdateDateEndpoint.as_view(),
+        name="project-issue-dates",
+    ),
 ]

apiserver/plane/app/views/__init__.py

@@ -130,6 +130,8 @@
     BulkDeleteIssuesEndpoint,
     DeletedIssuesListViewSet,
     IssuePaginatedViewSet,
+    IssueDetailEndpoint,
+    IssueBulkUpdateDateEndpoint,
 )
 
 from .issue.activity import (

apiserver/plane/app/views/issue/base.py

@@ -976,3 +976,194 @@ def list(self, request, slug, project_id):
         )
 
         return Response(paginated_data, status=status.HTTP_200_OK)
+
+
+class IssueDetailEndpoint(BaseAPIView):
+    @allow_permission([ROLE.ADMIN, ROLE.MEMBER, ROLE.GUEST])
+    def get(self, request, slug, project_id):
+        filters = issue_filters(request.query_params, "GET")
+        issue = (
+            Issue.issue_objects.filter(
+                workspace__slug=slug, project_id=project_id
+            )
+            .select_related("workspace", "project", "state", "parent")
+            .prefetch_related("assignees", "labels", "issue_module__module")
+            .annotate(
+                cycle_id=Subquery(
+                    CycleIssue.objects.filter(
+                        issue=OuterRef("id"), deleted_at__isnull=True
+                    ).values("cycle_id")[:1]
+                )
+            )
+            .annotate(
+                label_ids=Coalesce(
+                    ArrayAgg(
+                        "labels__id",
+                        distinct=True,
+                        filter=Q(
+                            ~Q(labels__id__isnull=True)
+                            & Q(label_issue__deleted_at__isnull=True),
+                        ),
+                    ),
+                    Value([], output_field=ArrayField(UUIDField())),
+                ),
+                assignee_ids=Coalesce(
+                    ArrayAgg(
+                        "assignees__id",
+                        distinct=True,
+                        filter=Q(
+                            ~Q(assignees__id__isnull=True)
+                            & Q(assignees__member_project__is_active=True)
+                            & Q(issue_assignee__deleted_at__isnull=True)
+                        ),
+                    ),
+                    Value([], output_field=ArrayField(UUIDField())),
+                ),
+                module_ids=Coalesce(
+                    ArrayAgg(
+                        "issue_module__module_id",
+                        distinct=True,
+                        filter=Q(
+                            ~Q(issue_module__module_id__isnull=True)
+                            & Q(issue_module__module__archived_at__isnull=True)
+                            & Q(issue_module__deleted_at__isnull=True)
+                        ),
+                    ),
+                    Value([], output_field=ArrayField(UUIDField())),
+                ),
+            )
+            .annotate(
+                link_count=IssueLink.objects.filter(issue=OuterRef("id"))
+                .order_by()
+                .annotate(count=Func(F("id"), function="Count"))
+                .values("count")
+            )
+            .annotate(
+                attachment_count=FileAsset.objects.filter(
+                    issue_id=OuterRef("id"),
+                    entity_type=FileAsset.EntityTypeContext.ISSUE_ATTACHMENT,
+                )
+                .order_by()
+                .annotate(count=Func(F("id"), function="Count"))
+                .values("count")
+            )
+            .annotate(
+                sub_issues_count=Issue.issue_objects.filter(
+                    parent=OuterRef("id")
+                )
+                .order_by()
+                .annotate(count=Func(F("id"), function="Count"))
+                .values("count")
+            )
+        )
+        issue = issue.filter(**filters)
+        order_by_param = request.GET.get("order_by", "-created_at")
+        # Issue queryset
+        issue, order_by_param = order_issue_queryset(
+            issue_queryset=issue,
+            order_by_param=order_by_param,
+        )
+        return self.paginate(
+            request=request,
+            order_by=order_by_param,
+            queryset=(issue),
+            on_results=lambda issue: IssueSerializer(
+                issue,
+                many=True,
+                fields=self.fields,
+                expand=self.expand,
+            ).data,
+        )
+
+
+class IssueBulkUpdateDateEndpoint(BaseAPIView):
+
+    def validate_dates(
+        self, current_start, current_target, new_start, new_target
+    ):
+        """
+        Validate that start date is before target date.
+        """
+        start = new_start or current_start
+        target = new_target or current_target
+
+        if start and target and start > target:
+            return False
+        return True
+
+    @allow_permission([ROLE.ADMIN, ROLE.MEMBER])
+    def post(self, request, slug, project_id):
+
+        updates = request.data.get("updates", [])
+
+        issue_ids = [update["id"] for update in updates]
+        epoch = int(timezone.now().timestamp())
+
+        # Fetch all relevant issues in a single query
+        issues = list(Issue.objects.filter(id__in=issue_ids))
+        issues_dict = {str(issue.id): issue for issue in issues}
+        issues_to_update = []
+
+        for update in updates:
+            issue_id = update["id"]
+            issue = issues_dict.get(issue_id)
+
+            if not issue:
+                continue
+
+            start_date = update.get("start_date")
+            target_date = update.get("target_date")
+            validate_dates = self.validate_dates(
+                issue.start_date, issue.target_date, start_date, target_date
+            )
+            if not validate_dates:
+                return Response(
+                    {
+                        "message": "Start date cannot exceed target date",
+                    },
+                    status=status.HTTP_400_BAD_REQUEST,
+                )
+
+            if start_date:
+                issue_activity.delay(
+                    type="issue.activity.updated",
+                    requested_data=json.dumps(
+                        {"start_date": update.get("start_date")}
+                    ),
+                    current_instance=json.dumps(
+                        {"start_date": str(issue.start_date)}
+                    ),
+                    issue_id=str(issue_id),
+                    actor_id=str(request.user.id),
+                    project_id=str(project_id),
+                    epoch=epoch,
+                )
+                issue.start_date = start_date
+                issues_to_update.append(issue)
+
+            if target_date:
+                issue_activity.delay(
+                    type="issue.activity.updated",
+                    requested_data=json.dumps(
+                        {"target_date": update.get("target_date")}
+                    ),
+                    current_instance=json.dumps(
+                        {"target_date": str(issue.target_date)}
+                    ),
+                    issue_id=str(issue_id),
+                    actor_id=str(request.user.id),
+                    project_id=str(project_id),
+                    epoch=epoch,
+                )
+                issue.target_date = target_date
+                issues_to_update.append(issue)
+
+        # Bulk update issues
+        Issue.objects.bulk_update(
+            issues_to_update, ["start_date", "target_date"]
+        )
+
+        return Response(
+            {"message": "Issues updated successfully"},
+            status=status.HTTP_200_OK,
+        )