class LanguageDetector(object):
    '''Detect language for all http methods in ModelViews'''
    def apply_language(fn):
        @wraps(fn)
        def wrapper(request, *args, **kwargs):
            codes = [code.lower() for code, title in settings.LANGUAGES]

            if (
                request.GET.get('language')
                and
                request.GET['language'].lower() in codes
            ):
                with smart_override(request.GET['language']):
                    res = fn(request, *args, **kwargs)
            else:
                res = fn(request, *args, **kwargs)

            return res
        return wrapper

    @method_decorator(apply_language)
    def dispatch(self, *args, **kwargs):
        return super(LanguageDetector, self).dispatch(*args, **kwargs)