public function actionChange()
{
$isoCode = Yii::$app->request->post('isoCode');
if ($isoCode === null) {
throw new BadRequestHttpException();
}
$newUserCurrency = CurrencyHelper::findCurrencyByIso($isoCode);
if ($newUserCurrency !== null) {
$oldUserCurrency = CurrencyHelper::getUserCurrency();
CurrencyHelper::setUserCurrency($newUserCurrency);
$event = new AfterUserCurrencyChangeEvent();
$event->oldUserCurrency = $oldUserCurrency;
$event->newUserCurrency = $newUserCurrency;
CurrenciesModule::module()->trigger(CurrenciesModule::AFTER_USER_CURRENCY_CHANGE, $event);
}
return $this->redirect(Yii::$app->request->referrer);
}
