gistfile1.txt

class UserLogin(APIView):
    permission_classes = [AllowAny]
    authentication_classes = []

    user = None

    def call_login(self):
        # check if PIN are correct
        if not self.pin_correct():
            return Response({'value': 'Error logging in'}, status=status.HTTP_403_FORBIDDEN)

        # get the user from the username
        user_serialized = UserDetailsSerializer(self.user, context={'request': self.request}).data

        # generate the JWT here
        token = jwt.encode({'user_id': self.user.id, 'phone': self.user.username, 'exp': get_exp(),
                            'orig_iat': get_orig()
                            },
                           settings.SECRET_KEY,
                           algorithm="HS256")

        data = {
            'user': user_serialized,
            'token': token,
        }
        return Response(data, status=status.HTTP_200_OK)

    def post(self, request, *args, **kwargs):
        # perform a check to see if the phone number is verified within the database
        try:
            # trying to get the int value of the first part of the email before the @
            username = request.data['username']

            self.get_user(username)

            return self.call_login()
        except ObjectDoesNotExist:
            # here, the user does not exist. So we return the failed response
            return Response({'value': 'User does not exist'}, status=status.HTTP_404_NOT_FOUND)

    def get_user(self, username: str):
        self.user = User.objects.get(username=username)

    def pin_correct(self):
        pin = self.request.data['pin']

        # if pin match, pass else return response with error count
        return check_password(password=pin, encoded=self.user.pin)