public function actionIndex($search)
    {
        $user = $this->finder->findUserByUsernameOrEmail($search);
        if ($user === null) {
            $this->stdout(\Yii::t('user', 'User is not found') . "\n", Console::FG_RED);
        } else {
            if ($user->confirm()) {
                $this->stdout(\Yii::t('user', 'User has been confirmed') . "\n", Console::FG_GREEN);
            } else {
                $this->stdout(\Yii::t('user', 'Error occurred while confirming user') . "\n", Console::FG_RED);
            }
        }
    }