评价订单商品

1. 展示商品评价页面

1.请求方式

2.请求参数：查询参数

3.响应结果：HTML

goods_judge.html

4.后端接口定义和实现

class OrderCommentView(LoginRequiredMixin, View):
    """订单商品评价"""

    def get(self, request):
        """展示商品评价页面"""
        # 接收参数
        order_id = request.GET.get('order_id')
        # 校验参数
        try:
            OrderInfo.objects.get(order_id=order_id, user=request.user)
        except OrderInfo.DoesNotExist:
            return http.HttpResponseNotFound('订单不存在')

        # 查询订单中未被评价的商品信息
        try:
            uncomment_goods = OrderGoods.objects.filter(order_id=order_id, is_commented=False)
        except Exception:
            return http.HttpResponseServerError('订单商品信息出错')

        # 构造待评价商品数据
        uncomment_goods_list = []
        for goods in uncomment_goods:
            uncomment_goods_list.append({
                'order_id':goods.order.order_id,
                'sku_id':goods.sku.id,
                'name':goods.sku.name,
                'price':str(goods.price),
                'default_image_url':goods.sku.default_image.url,
                'comment':goods.comment,
                'score':goods.score,
                'is_anonymous':str(goods.is_anonymous),
            })

        # 渲染模板
        context = {
            'uncomment_goods_list': uncomment_goods_list
        }
        return render(request, 'goods_judge.html', context)

2. 评价订单商品

1.请求方式

2.请求参数：查询参数

3.响应结果：JSON

4.后端接口定义和实现

class OrderCommentView(LoginRequiredMixin, View):
    """订单商品评价"""

    def get(self, request):
        """展示商品评价页面"""
        ......

    def post(self, request):
        """评价订单商品"""
        # 接收参数
        json_dict = json.loads(request.body.decode())
        order_id = json_dict.get('order_id')
        sku_id = json_dict.get('sku_id')
        score = json_dict.get('score')
        comment = json_dict.get('comment')
        is_anonymous = json_dict.get('is_anonymous')
        # 校验参数
        if not all([order_id, sku_id, score, comment]):
            return http.HttpResponseForbidden('缺少必传参数')
        try:
            OrderInfo.objects.filter(order_id=order_id, user=request.user, status=OrderInfo.ORDER_STATUS_ENUM['UNCOMMENT'])
        except OrderInfo.DoesNotExist:
            return http.HttpResponseForbidden('参数order_id错误')
        try:
            sku = SKU.objects.get(id=sku_id)
        except SKU.DoesNotExist:
            return http.HttpResponseForbidden('参数sku_id错误')
        if is_anonymous:
            if not isinstance(is_anonymous, bool):
                return http.HttpResponseForbidden('参数is_anonymous错误')

        # 保存订单商品评价数据
        OrderGoods.objects.filter(order_id=order_id, sku_id=sku_id, is_commented=False).update(
            comment=comment,
            score=score,
            is_anonymous=is_anonymous,
            is_commented=True
        )

        # 累计评论数据
        sku.comments += 1
        sku.save()
        sku.spu.comments += 1
        sku.spu.save()

        # 如果所有订单商品都已评价，则修改订单状态为已完成
        if OrderGoods.objects.filter(order_id=order_id, is_commented=False).count() == 0:
            OrderInfo.objects.filter(order_id=order_id).update(status=OrderInfo.ORDER_STATUS_ENUM['FINISHED'])

        return http.JsonResponse({'code': RETCODE.OK, 'errmsg': '评价成功'})