[WEB-3268] feat: url pattern

apiserver/plane/app/urls/issue.py

@@ -26,6 +26,8 @@
     IssueBulkUpdateDateEndpoint,
     IssueVersionEndpoint,
     IssueDescriptionVersionEndpoint,
+    IssueMetaEndpoint,
+    IssueDetailIdentifierEndpoint,
 )
 
 urlpatterns = [
@@ -278,4 +280,14 @@
         IssueDescriptionVersionEndpoint.as_view(),
         name="page-versions",
     ),
+    path(
+        "workspaces/<str:slug>/projects/<uuid:project_id>/issues/<uuid:issue_id>/meta/",
+        IssueMetaEndpoint.as_view(),
+        name="issue-meta",
+    ),
+    path(
+        "workspaces/<str:slug>/work-items/<str:project_identifier>-<str:issue_identifier>/",
+        IssueDetailIdentifierEndpoint.as_view(),
+        name="issue-detail-identifier",
+    ),
 ]

apiserver/plane/app/views/__init__.py

@@ -116,6 +116,8 @@
     IssuePaginatedViewSet,
     IssueDetailEndpoint,
     IssueBulkUpdateDateEndpoint,
+    IssueMetaEndpoint,
+    IssueDetailIdentifierEndpoint,
 )
 
 from .issue.activity import IssueActivityEndpoint

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

@@ -1096,3 +1096,178 @@ def post(self, request, slug, project_id):
         return Response(
             {"message": "Issues updated successfully"}, status=status.HTTP_200_OK
         )
+
+
+class IssueMetaEndpoint(BaseAPIView):
+
+    @allow_permission([ROLE.ADMIN, ROLE.MEMBER, ROLE.GUEST], level="PROJECT")
+    def get(self, request, slug, project_id, issue_id):
+        issue = Issue.objects.only("sequence_id", "project__identifier").get(
+            id=issue_id, project_id=project_id, workspace__slug=slug
+        )
+        return Response(
+            {
+                "sequence_id": issue.sequence_id,
+                "project_identifier": issue.project.identifier,
+            },
+            status=status.HTTP_200_OK,
+        )
+
+
+class IssueDetailIdentifierEndpoint(BaseAPIView):
+
+    def get(self, request, slug, project_identifier, issue_identifier):
+
+        # Fetch the project
+        project = Project.objects.get(
+            identifier__iexact=project_identifier,
+            workspace__slug=slug,
+        )
+
+        # Check if the user is a member of the project
+        if not ProjectMember.objects.filter(
+            workspace__slug=slug,
+            project_id=project.id,
+            member=request.user,
+            is_active=True,
+        ).exists():
+            return Response(
+                {"error": "You are not allowed to view this issue"},
+                status=status.HTTP_403_FORBIDDEN,
+            )
+
+        # Fetch the issue
+        issue = (
+            Issue.objects.filter(project_id=project.id)
+            .filter(workspace__slug=slug)
+            .select_related("workspace", "project", "state", "parent")
+            .prefetch_related("assignees", "labels", "issue_module__module")
+            .annotate(
+                cycle_id=Subquery(
+                    CycleIssue.objects.filter(issue=OuterRef("id")).values("cycle_id")[
+                        :1
+                    ]
+                )
+            )
+            .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")
+            )
+            .filter(sequence_id=issue_identifier)
+            .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())),
+                ),
+            )
+            .prefetch_related(
+                Prefetch(
+                    "issue_reactions",
+                    queryset=IssueReaction.objects.select_related("issue", "actor"),
+                )
+            )
+            .prefetch_related(
+                Prefetch(
+                    "issue_link",
+                    queryset=IssueLink.objects.select_related("created_by"),
+                )
+            )
+            .annotate(
+                is_subscribed=Exists(
+                    IssueSubscriber.objects.filter(
+                            workspace__slug=slug,
+                            project_id=project.id,
+                        issue__sequence_id=issue_identifier,
+                        subscriber=request.user,
+                    )
+                )
+            )
+        ).first()
+
+        # Check if the issue exists
+        if not issue:
+            return Response(
+                {"error": "The required object does not exist."},
+                status=status.HTTP_404_NOT_FOUND,
+            )
+
+        """
+        if the role is guest and guest_view_all_features is false and owned by is not 
+        the requesting user then dont show the issue
+        """
+
+        if (
+            ProjectMember.objects.filter(
+                workspace__slug=slug,
+                project_id=project.id,
+                member=request.user,
+                role=5,
+                is_active=True,
+            ).exists()
+            and not project.guest_view_all_features
+            and not issue.created_by == request.user
+        ):
+            return Response(
+                {"error": "You are not allowed to view this issue"},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+
+        recent_visited_task.delay(
+            slug=slug,
+            entity_name="issue",
+            entity_identifier=str(issue.id),
+            user_id=str(request.user.id),
+            project_id=str(project.id),
+        )
+
+        # Serialize the issue
+        serializer = IssueDetailSerializer(issue, expand=self.expand)
+        return Response(serializer.data, status=status.HTTP_200_OK)

web/app/[workspaceSlug]/(projects)/browse/[workItem]/header.tsx

@@ -0,0 +1,92 @@
+"use client";
+
+import { observer } from "mobx-react";
+import { useParams } from "next/navigation";
+import { Briefcase } from "lucide-react";
+// ui
+import { Breadcrumbs, LayersIcon, Header, Logo } from "@plane/ui";
+// components
+import { BreadcrumbLink } from "@/components/common";
+import { IssueDetailQuickActions } from "@/components/issues";
+// hooks
+import { useIssueDetail, useProject } from "@/hooks/store";
+import { useAppRouter } from "@/hooks/use-app-router";
+
+export const ProjectIssueDetailsHeader = observer(() => {
+  // router
+  const router = useAppRouter();
+  const { workspaceSlug, workItem } = useParams();
+  // store hooks
+  const { getProjectById, loader } = useProject();
+  const {
+    issue: { getIssueById, getIssueIdByIdentifier },
+  } = useIssueDetail();
+  // derived values
+  const issueId = getIssueIdByIdentifier(workItem?.toString());
+  const issueDetails = issueId ? getIssueById(issueId.toString()) : undefined;
+  const projectId = issueDetails ? issueDetails?.project_id : undefined;
+  const projectDetails = projectId ? getProjectById(projectId?.toString()) : undefined;
+
+  return (
+    <Header>
+      <Header.LeftItem>
+        <div>
+          <Breadcrumbs onBack={router.back} isLoading={loader === "init-loader"}>
+            <Breadcrumbs.BreadcrumbItem
+              type="text"
+              link={
+                <BreadcrumbLink
+                  label={projectDetails?.name ?? "Project"}
+                  icon={
+                    projectDetails ? (
+                      projectDetails && (
+                        <span className="grid place-items-center flex-shrink-0 h-4 w-4">
+                          <Logo logo={projectDetails?.logo_props} size={16} />
+                        </span>
+                      )
+                    ) : (
+                      <span className="grid h-7 w-7 flex-shrink-0 place-items-center rounded uppercase">
+                        <Briefcase className="h-4 w-4" />
+                      </span>
+                    )
+                  }
+                />
+              }
+            />
+
+            <Breadcrumbs.BreadcrumbItem
+              type="text"
+              link={
+                <BreadcrumbLink
+                  href={`/${workspaceSlug}/projects/${projectId}/issues`}
+                  label="Issues"
+                  icon={<LayersIcon className="h-4 w-4 text-custom-text-300" />}
+                />
+              }
+            />
+
+            <Breadcrumbs.BreadcrumbItem
+              type="text"
+              link={
+                <BreadcrumbLink
+                  label={
+                    projectDetails && issueDetails ? `${projectDetails.identifier}-${issueDetails.sequence_id}` : ""
+                  }
+                />
+              }
+            />
+          </Breadcrumbs>
+        </div>
+      </Header.LeftItem>
+      <Header.RightItem>
+        {projectId && issueId && (
+          <IssueDetailQuickActions
+            workspaceSlug={workspaceSlug?.toString()}
+            projectId={projectId?.toString()}
+            issueId={issueId?.toString()}
+          />
+        )}
+      </Header.RightItem>
+    </Header>
+  );
+});