change how frontend to read access

Signed-off-by: Fen Qin <[email protected]>

Author: fen-qin

public/components/app.tsx

@@ -363,32 +363,42 @@ export const SearchRelevanceApp = ({
   const [toastRightSide, setToastRightSide] = useState<boolean>(true);
 
   useEffect(() => {
-    const fetchClusterSettings = async () => {
+    const checkWorkbenchAccess = async () => {
       try {
-        const response = await http.get(ServiceEndpoints.GetClusterSettings);
-
-        // Check both persistent and defaults settings
-        const persistentEnabled =
-          response?.persistent?.plugins?.search_relevance?.workbench_enabled === 'true';
-        const defaultsEnabled =
-          response?.defaults?.plugins?.search_relevance?.workbench_enabled === 'true';
-
-        // Use persistent setting if available, otherwise use defaults
-        const enabled = persistentEnabled || defaultsEnabled;
-        setIsNewExperienceEnabled(enabled);
+        setIsLoading(true);
+        // Try to fetch query sets as a test endpoint
+        await http.get(ServiceEndpoints.QuerySets);
+        // If we get here without error, the workbench is enabled
+        setIsNewExperienceEnabled(true);
       } catch (error) {
-        console.error('Error fetching cluster settings:', error);
-        notifications.toasts.addError(error as Error, {
-          title: 'Error fetching cluster settings',
-          toastLifeTimeMs: 5000,
-        });
-        setIsNewExperienceEnabled(false);
+        if (error.response?.status === 404) {
+          // 404 means the API is accessible but index doesn't exist yet
+          setIsNewExperienceEnabled(true);
+        } else if (
+          error.response?.status === 403 &&
+          error.body?.includes('Search Relevance Workbench is disabled')
+        ) {
+          // 403 with specific message means the workbench is disabled
+          setIsNewExperienceEnabled(false);
+          notifications.toasts.addWarning({
+            title: 'Search Relevance Workbench is disabled',
+            text: 'Access to this feature is currently disabled.',
+            toastLifeTimeMs: 5000,
+          });
+        } else {
+          // For all other errors, keep the workbench enabled but show an error toast
+          setIsNewExperienceEnabled(false);
+          notifications.toasts.addError(error as Error, {
+            title: 'Error occurred while accessing Search Relevance Workbench',
+            toastLifeTimeMs: 5000,
+          });
+        }
       } finally {
         setIsLoading(false);
       }
     };
 
-    fetchClusterSettings();
+    checkWorkbenchAccess();
   }, [http, notifications]);
 
   if (isLoading) {