/**
* @param bool $rapidFail if true, render a form as a fail page rather than redirect
* @param string $failPage either a wiki page title, or a URL to an external wiki
* page title.
* @param array $data information about the current request.
* language, gateway, payment_method, and payment_submethod must be set
* @param Psr\Log\LoggerInterface $logger
* @return string full URL of the fail page, or just form name in case of rapidFail
*/
private static function getFailPageFromParams($rapidFail, $failPage, $data, LoggerInterface $logger)
{
if (isset($data['language'])) {
$language = $data['language'];
} else {
$language = WmfFramework::getLanguageCode();
}
// Prefer RapidFail.
if ($rapidFail) {
// choose which fail page to go for.
try {
$fail_ffname = GatewayFormChooser::getBestErrorForm($data['gateway'], $data['payment_method'], $data['payment_submethod']);
return $fail_ffname;
} catch (Exception $e) {
$logger->error('Cannot determine best error form. ' . $e->getMessage());
}
}
if (filter_var($failPage, FILTER_VALIDATE_URL)) {
return self::appendLanguageAndMakeURL($failPage, $language);
}
// FIXME: either add Special:FailPage to avoid depending on wiki content,
// or update the content on payments to be consistent with the /lang
// format of ThankYou pages so we can use appendLanguageAndMakeURL here.
$failTitle = Title::newFromText($failPage);
$url = wfAppendQuery($failTitle->getFullURL(), array('uselang' => $language));
return $url;
}
/**
* normalize helper function.
* If the language has not yet been set or is not valid, pulls the language code
* from the current global language object.
*/
protected function setLanguage()
{
$language = false;
if ($this->isSomething('uselang')) {
$language = $this->getVal('uselang');
} elseif ($this->isSomething('language')) {
$language = $this->getVal('language');
}
if ($language) {
$language = strtolower($language);
}
if ($language == false || !WmfFramework::isValidBuiltInLanguageCode($language)) {
$language = WmfFramework::getLanguageCode();
}
$this->setVal('language', $language);
$this->expunge('uselang');
}
/**
* Returns a valid mediawiki language code to use for all the DonationInterface translations.
*
* Will only look at the currently configured language if the 'language' key
* doesn't exist in the data set: Users may not have a language preference
* set if we're bouncing between mediawiki instances for payments.
* @param array $data A normalized DonationInterface data set.
* @return string A valid mediawiki language code.
*/
public static function guessLanguage($data)
{
if (array_key_exists('language', $data) && WmfFramework::isValidBuiltInLanguageCode($data['language'])) {
return $data['language'];
} else {
return WmfFramework::getLanguageCode();
}
}
