from django.shortcuts import HttpResponse
import simplejson as json


class ResObject(object):

    def __init__(self, lang='cn'):
        self.lang = lang

    def json(self, code, res=None, extra=None):
        if res is None:
            res = {}
        if extra is None:
            extra = {'msg': ''}

        msg_data = {
            0: 'Success',
            10: extra['msg'],
            500: 'Internal error!'
        }
        result = {'code': code, 'msg': msg_data[code], 'res': res}
        if extra:
            for k in extra:
                result[k] = extra[k]
        return HttpResponse(json.dumps(result, ensure_ascii=False))