public function bulkDelete(Request $request)
    {
        // check if user has permissions to access this link
        if(!User::hasAccess('CustomField', 'delete')) {
            return $this->noPermission();
        }
        $data = $request->all();
        foreach ($data as $id){
            $customFieldsGroup = CustomFieldGroup::find($id)->delete();
            if (!$customFieldsGroup) {
                return $this->response('Internal server error. Please try again later', 500);
            }else{
                CustomField::where('customFieldGroupID', $id)->delete();
                // TODO me i fshi vlerat e custom fildave neper poste, users dhe category
            }
        }
        return $this->response('Custom fields groups are deleted');
    }