public function actionChangePassword()
    {
        $model = new UserChangePassword();
        $model->setUser(Yii::$app->adminuser->identity);
        $model->attributes = Yii::$app->request->bodyParams;
        
        if ($this->module->strongPasswordPolicy) {
            $model->validators->append(StrengthValidator::createValidator(StrengthValidator::class, $model, ['newpass']));
        }
        
        if ($model->validate()) {
            $model->checkAndStore();
        }
        
        return $model;
    }