from django.contrib.auth.mixins import LoginRequiredMixin
from django import http

from meiduo_mall.utils.response_code import RETCODE


class LoginRequiredJSONMixin(LoginRequiredMixin):
    """自定义判断用户是否登录的扩展类：返回JSON"""
    def handle_no_permission(self):
        """直接响应JSON数据"""
        return http.JsonResponse({'code': RETCODE.SESSIONERR, 'errmsg': '用户未登录'})