public function onConfigBeforeSave(ConfigEvent $event)
{
$values = $event->getConfig();
// Preserve existing value
$event->unsetIfEmpty('transifex_password');
// Check if the selected locale has been downloaded already, fetch it if not
$installedLanguages = $this->coreParametersHelper->getParameter('supported_languages');
if (!array_key_exists($values['coreconfig']['locale'], $installedLanguages)) {
$fetchLanguage = $this->languageHelper->extractLanguagePackage($values['coreconfig']['locale']);
// If there is an error, fall back to 'en_US' as it is our system default
if ($fetchLanguage['error']) {
$values['coreconfig']['locale'] = 'en_US';
$message = 'mautic.core.could.not.set.language';
$messageVars = [];
if (isset($fetchLanguage['message'])) {
$message = $fetchLanguage['message'];
}
if (isset($fetchLanguage['vars'])) {
$messageVars = $fetchLanguage['vars'];
}
$event->setError($message, $messageVars);
}
}
$event->setConfig($values);
}
