/**
* Gets available locales list.
*
* Returns a list of locales wich are exist and are enabled in the system. That
* list is statically cached inside the function.
*
* @return string[] List of available locales codes.
*/
function get_available_locales()
{
static $available_locales = null;
if (is_null($available_locales)) {
if (get_maintenance_mode() !== false) {
// We cannot rely on the database during maintenance, thus we only
// can use discovered locales as available locales.
$available_locales = discover_locales();
} else {
// Get list of enabled locales from the database.
$rows = Database::getInstance()->query(
"SELECT code FROM {locale} WHERE enabled = 1",
array(),
array('return_rows' => Database::RETURN_ALL_ROWS)
);
$enabled_locales = array();
foreach ($rows as $row) {
$enabled_locales[] = $row['code'];
}
$fs_locales = discover_locales();
$available_locales = array_intersect($fs_locales, $enabled_locales);
}
}
return $available_locales;
}
/**
* Import all available locales to the database.
*
* @return boolean Indicates if the locales were imported correctly. True if
* everything is OK and false otherwise.
*/
protected function doImportLocales()
{
if (!($db = $this->getDatabase())) {
return false;
}
try {
$rows = $db->query('SELECT code FROM {locale}', null, array('return_rows' => Database::RETURN_ALL_ROWS));
$exist_locales = array();
foreach ($rows as $row) {
$exist_locales[] = $row['code'];
}
$fs_locales = discover_locales();
foreach ($fs_locales as $locale) {
if (in_array($locale, $exist_locales)) {
// Do not create locales twice.
continue;
}
$db->query('INSERT INTO {locale} (code, enabled) values (:code, :enabled)', array(':code' => $locale, ':enabled' => 0));
}
} catch (\Exception $e) {
$this->errors[] = getlocal('Cannot import locales. Error: {0}', array($e->getMessage()));
return false;
}
return true;
}
/**
* Disables a locale.
*
* @param Request $request Incoming request.
* @return \Symfony\Component\HttpFoundation\Response A response object.
* @throws NotFoundException If the locale which should be disabled is not
* found.
*/
public function disableAction(Request $request)
{
csrf_check_token($request);
$locale = $request->attributes->get('locale');
$errors = array();
// Check if locale exists.
if (!in_array($locale, discover_locales())) {
throw new NotFoundException();
}
// Disable locale if we can do so.
$available_locales = get_available_locales();
if (in_array($locale, $available_locales)) {
if (count($available_locales) > 1) {
disable_locale($locale);
} else {
$errors[] = getlocal('Cannot disable all locales.');
}
}
if (count($errors) != 0) {
// Something went wrong. Re-render locales list.
$request->attributes->set('errors', $errors);
return $this->indexAction($request);
}
return $this->redirect($this->generateUrl('locales'));
}
