from rest_framework.views import APIView

from django.shortcuts import HttpResponse

from api.utils.auth_class import LoginAuth

from api.models import *

from django.core.exceptions import ObjectDoesNotExist

from api.utils.response import BaseResponse

import json

from rest_framework.response import Response

from django.http import JsonResponse

from api.utils.exceptions import PriceException

from django_redis import get_redis_connection

class ShoppingCarView(APIView):

    authentication_classes = [LoginAuth,]

    response=BaseResponse()

    conn=get_redis_connection("default")def post(self,request):

     def post(self,request):

        """

        购物车的添加课程请求

        :param request:

        :return:

        """

        .....

     def get(self,request):

        """

        查看购物车列表请求

        :param request:

        :return:

        """

        pass

from rest_framework.authentication import BaseAuthentication

from rest_framework.exceptions import AuthenticationFailed

from api.models import UserToken

class LoginAuth(BaseAuthentication):

    def authenticate(self, request):      #一定要重写该方法

        token=request.GET.get("token")

        token_obj=UserToken.objects.filter(token=token).first()

        if token_obj:

            return token_obj.user,token_obj.token

        else:

            raise AuthenticationFailed("认证失败了")

class PriceException(Exception):

    def __init__(self):

        self.msg="价格策略有问题，你不是人！"

class BaseResponse(object):

    def __init__(self):

        self.data=None

        self.error_msg=""

        self.code=1000

    @property

    def dict(self):

        return self.__dict__