/**
* Returns the active theme code.
* By default the active theme is loaded from the cms.activeTheme parameter,
* but this behavior can be overridden by the cms.theme.getActiveTheme event listeners.
* @return string
* If the theme doesn't exist, returns null.
*/
public static function getActiveThemeCode()
{
$activeTheme = Config::get('cms.activeTheme');
if (App::hasDatabase()) {
try {
try {
$dbResult = Cache::remember(self::ACTIVE_KEY, 1440, function () {
return Parameter::applyKey(self::ACTIVE_KEY)->pluck('value');
});
} catch (Exception $ex) {
// Cache failed
$dbResult = Parameter::applyKey(self::ACTIVE_KEY)->pluck('value');
}
} catch (Exception $ex) {
// Database failed
$dbResult = null;
}
if ($dbResult !== null && static::exists($dbResult)) {
$activeTheme = $dbResult;
}
}
$apiResult = Event::fire('cms.theme.getActiveTheme', [], true);
if ($apiResult !== null) {
$activeTheme = $apiResult;
}
if (!strlen($activeTheme)) {
throw new SystemException(Lang::get('cms::lang.theme.active.not_set'));
}
return $activeTheme;
}
