created FilamentCount per Manufacturer

app/Http/Controllers/ManufacturerController.php

@@ -19,6 +19,15 @@ class ManufacturerController extends Controller
         return view('manufacturers.index', compact('manufacturers', 'filamentcount'));
     }
 
+    public static function refresh()
+    {
+        foreach (Manufacturer::all() as $manufacturer) {
+            $manufacturer->filament_count = Filament::all()->where('manufacturer_id', $manufacturer->id)->count();
+            $manufacturer->save();
+        }
+        return redirect()->route('manufacturers.index')->with('success', 'Manufacturer count refreshed successfully.');
+    }
+
     /**
      * Show the form for creating a new resource.
      */