public function bulk($ids, $action)
 {
     $expenses = Expense::withTrashed()->scope($ids)->get();
     foreach ($expenses as $expense) {
         if ($action == 'restore') {
             $expense->restore();
             $expense->is_deleted = false;
             $expense->save();
         } else {
             if ($action == 'delete') {
                 $expense->is_deleted = true;
                 $expense->save();
             }
             $expense->delete();
         }
     }
     return count($tasks);
 }