created FilamentCount per Manufacturer

app/Http/Controllers/FilamentController.php

@@ -61,6 +61,7 @@ class FilamentController extends Controller
         $filament->diameter = $request->diameter;
         $filament->save();
 
+        ManufacturerController::refresh();
         return redirect()->route('filaments.index')->with('success', 'Filament created successfully.');
     }
 
@@ -118,6 +119,8 @@ class FilamentController extends Controller
         $filament->diameter = $request->diameter;
         $filament->save();
 
+        ManufacturerController::refresh();
+
         return redirect()->route('filaments.show', $filament->id)->with('success', 'Filament updated successfully.');
     }
 
@@ -129,6 +132,8 @@ class FilamentController extends Controller
         // delete a specific filament
         $filament = Filament::find($id);
         $filament->delete();
+
+        ManufacturerController::refresh();
         return redirect()->route('filaments.index')->with('success', 'Filament deleted successfully.');
     }
 }

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.
      */