protected function userRoles($row)
    {
        return function ($row) {

            $roles = $row->roles;
            $value = [];

            foreach ($roles as $role) {
                $value[] = app('html')->create('span', e($role->full_name), [
                    'class' => 'label-basic label-basic--info'
                ]);
            }
            return implode('', [app('html')->create('span', app('html')->raw(implode(' ', $value)), ['class' => 'meta']),]);
        };
    }