public function actionChecklogin()
{
if (!Yii::$app->user->getIsGuest()) {
if (Yii::$app->request->isAjax) {
$data = Yii::$app->request->post();
$username = $_POST['value'];
$model = new RegistrationForm();
if (($userDat = $model->isUsernameExist($username)) && $userDat['ID'] != Yii::$app->user->getId()) {
return json_encode(Yii::t('registration', 'Login is not free'));
} else {
return json_encode('ok');
}
}
} else {
return $this->goHome();
}
}
