views.py 文件源码

def get(self, request):
        kwargs = {}
        kwargs['teacher'] = teacher = self.get_teacher(request)
        parent = self.get_parent(request)
        if parent is None:
            redirect_url = _get_auth_redirect_url(request, teacher.id)
            logger.warning(redirect_url)
            return HttpResponseRedirect(redirect_url)
        kwargs['parent'] = parent

        now = timezone.now()
        coupons = models.Coupon.objects.filter(parent=parent,
                                               expired_at__gt=now, used=False
                                               ).order_by('used', '-amount',
                                                          'expired_at')

        kwargs['coupons'] = sorted(coupons, key=lambda x: x.sort_key())
        pre_chosen_coupon = None
        # for coupon in coupons:
        #     if coupon.usable and coupon.mini_course_count==0:
        #         pre_chosen_coupon = coupon
        #         break
        # pre_chosen_coupon = pre_chosen_coupon or coupons.first()
        kwargs['pre_chosen_coupon'] = pre_chosen_coupon
        return render(request, self.template_name, kwargs)