use builder for query

app/Http/Controllers/HeadquartersDashboard/CumulativeMessageRatingStatsController.php

@@ -14,7 +14,6 @@ class CumulativeMessageRatingStatsController extends Controller
     public function index(Request $request): JsonResponse
     {
         $query = DB::table('country_message_rating_reports')->selectRaw("
-                SELECT
                 province_id,
                 province_name,
                 SUM(total) as total,
@@ -26,11 +25,9 @@ class CumulativeMessageRatingStatsController extends Controller
                 SUM(action3) as action3,
                 SUM(action4) as action4,
                 SUM(action5) as action5
-            GROUP BY province_id, province_name
-
-            UNION ALL
-
-            SELECT
+            ")
+            ->groupBy('province_id', 'province_name')
+            ->unionAll(DB::table('country_message_rating_reports')->selectRaw("
                 0 as province_id,
                 'کشوری' as province_name,
                 SUM(total),
@@ -42,7 +39,7 @@ class CumulativeMessageRatingStatsController extends Controller
                 SUM(action3),
                 SUM(action4),
                 SUM(action5)
-        ");
+            "));
 
         return response()->json(
             DataTableFacade::run(