feat: send WhatsApp notification on delivery dispatched

app/Http/Controllers/Sales/DeliveryNoteController.php

@@ -11,6 +11,7 @@ use App\Models\SalesOrderItem;
 use App\Models\StockLevel;
 use App\Models\StockMovement;
 use App\Models\Warehouse;
+use App\Notifications\Sales\DeliveryDispatchedNotification;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 
@@ -145,6 +146,10 @@ class DeliveryNoteController extends Controller
             }
         });
 
+        if ($deliveryNote->customer && $deliveryNote->customer->whatsapp_number) {
+            $deliveryNote->customer->notify(new DeliveryDispatchedNotification($deliveryNote));
+        }
+
         return redirect()->back()->with('success', 'Delivery note dispatched and stock decremented.');
     }
 }