public function currentLocale()
    {
        $langCode = $this->translator()->getLocale();
        $locales  = $this->translator()->locales();
        if (isset($locales[$langCode])) {
            $locale = $locales[$langCode];
            if (isset($locale['locale'])) {
                return $locale['locale'];
            } else {
                return $langCode;
            }
        }

        return null;
    }