public static function bas_labels($base_id, Application $app)
{
if (!self::$_bas_labels) {
try {
self::$_bas_labels = $app->getApplicationBox()->get_data_from_cache(self::CACHE_BAS_LABELS);
} catch (\Exception $e) {
foreach ($app->getDataboxes() as $databox) {
foreach ($databox->get_collections() as $collection) {
self::$_bas_labels[$collection->get_base_id()] = ['fr' => $collection->get_label('fr'), 'en' => $collection->get_label('en'), 'de' => $collection->get_label('de'), 'nl' => $collection->get_label('nl')];
}
}
$app->getApplicationBox()->set_data_to_cache(self::$_bas_labels, self::CACHE_BAS_LABELS);
}
}
if (isset(self::$_bas_labels[$base_id]) && isset(self::$_bas_labels[$base_id][$app['locale']])) {
return self::$_bas_labels[$base_id][$app['locale']];
}
return 'Unknown collection';
}
