|
|
|
|
@ -1,19 +1,22 @@
|
|
|
|
|
package cn.iocoder.yudao.module.trade.service.price.calculator;
|
|
|
|
|
|
|
|
|
|
import cn.hutool.core.lang.Assert;
|
|
|
|
|
import cn.hutool.core.util.StrUtil;
|
|
|
|
|
import cn.iocoder.yudao.module.promotion.api.seckill.SeckillActivityApi;
|
|
|
|
|
import cn.iocoder.yudao.module.promotion.api.seckill.dto.SeckillActivityProductRespDTO;
|
|
|
|
|
import cn.iocoder.yudao.module.promotion.api.seckill.dto.SeckillValidateJoinRespDTO;
|
|
|
|
|
import cn.iocoder.yudao.module.promotion.enums.common.PromotionTypeEnum;
|
|
|
|
|
import cn.iocoder.yudao.module.trade.service.order.TradeOrderQueryService;
|
|
|
|
|
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO;
|
|
|
|
|
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
|
|
|
|
|
import org.springframework.core.annotation.Order;
|
|
|
|
|
import org.springframework.stereotype.Component;
|
|
|
|
|
|
|
|
|
|
import javax.annotation.Resource;
|
|
|
|
|
import java.util.List;
|
|
|
|
|
import java.util.Map;
|
|
|
|
|
|
|
|
|
|
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertMap;
|
|
|
|
|
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
|
|
|
|
|
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
|
|
|
|
|
import static cn.iocoder.yudao.module.trade.enums.ErrorCodeConstants.PRICE_CALCULATE_SECKILL_TOTAL_LIMIT_COUNT;
|
|
|
|
|
|
|
|
|
|
// TODO huihui：单测需要补充
|
|
|
|
|
/**
|
|
|
|
|
* 秒杀活动的 {@link TradePriceCalculator} 实现类
|
|
|
|
|
*
|
|
|
|
|
@ -24,22 +27,45 @@ import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.
|
|
|
|
|
public class TradeSeckillActivityPriceCalculator implements TradePriceCalculator {
|
|
|
|
|
|
|
|
|
|
@Resource
|
|
|
|
|
private SeckillActivityApi activityApi;
|
|
|
|
|
private SeckillActivityApi seckillActivityApi;
|
|
|
|
|
|
|
|
|
|
@Resource
|
|
|
|
|
private TradeOrderQueryService tradeOrderQueryService;
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
public void calculate(TradePriceCalculateReqBO param, TradePriceCalculateRespBO result) {
|
|
|
|
|
// 1、判断订单类型和是否具有秒杀活动编号
|
|
|
|
|
// 1. 判断订单类型和是否具有秒杀活动编号
|
|
|
|
|
if (param.getSeckillActivityId() == null) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
// 2、获取秒杀活动商品信息
|
|
|
|
|
List<SeckillActivityProductRespDTO> productList = activityApi.getSeckillActivityProductList(param.getSeckillActivityId(), convertSet(param.getItems(),
|
|
|
|
|
TradePriceCalculateReqBO.Item::getSkuId));
|
|
|
|
|
Map<Long, SeckillActivityProductRespDTO> productMap = convertMap(productList, SeckillActivityProductRespDTO::getSkuId);
|
|
|
|
|
result.getItems().forEach(item -> {
|
|
|
|
|
SeckillActivityProductRespDTO product = productMap.get(item.getSkuId());
|
|
|
|
|
item.setActivityPrice(product.getSeckillPrice()); // 设置活动金额
|
|
|
|
|
});
|
|
|
|
|
Assert.isTrue(param.getItems().size() == 1, "秒杀时，只允许选择一个商品");
|
|
|
|
|
// 2. 校验是否可以参与秒杀
|
|
|
|
|
TradePriceCalculateRespBO.OrderItem orderItem = result.getItems().get(0);
|
|
|
|
|
SeckillValidateJoinRespDTO seckillActivity = validateJoinSeckill(
|
|
|
|
|
param.getUserId(), param.getSeckillActivityId(),
|
|
|
|
|
orderItem.getSkuId(), orderItem.getCount());
|
|
|
|
|
|
|
|
|
|
// 3.1 记录优惠明细
|
|
|
|
|
Integer discountPrice = orderItem.getPayPrice() - seckillActivity.getSeckillPrice();
|
|
|
|
|
TradePriceCalculatorHelper.addPromotion(result, orderItem,
|
|
|
|
|
param.getSeckillActivityId(), seckillActivity.getName(), PromotionTypeEnum.SECKILL_ACTIVITY.getType(),
|
|
|
|
|
StrUtil.format("秒杀活动：省 {} 元", TradePriceCalculatorHelper.formatPrice(discountPrice)),
|
|
|
|
|
discountPrice);
|
|
|
|
|
// 3.2 更新 SKU 优惠金额
|
|
|
|
|
orderItem.setDiscountPrice(orderItem.getDiscountPrice() + discountPrice);
|
|
|
|
|
TradePriceCalculatorHelper.recountPayPrice(orderItem);
|
|
|
|
|
TradePriceCalculatorHelper.recountAllPrice(result);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private SeckillValidateJoinRespDTO validateJoinSeckill(Long userId, Long activityId, Long skuId, Integer count) {
|
|
|
|
|
// 1. 校验是否可以参与秒杀
|
|
|
|
|
SeckillValidateJoinRespDTO seckillActivity = seckillActivityApi.validateJoinSeckill(activityId, skuId, count);
|
|
|
|
|
// 2. 校验总限购数量，目前只有 trade 有具体下单的数据，需要交给 trade 价格计算使用
|
|
|
|
|
int seckillProductCount = tradeOrderQueryService.getSeckillProductCount(userId, activityId);
|
|
|
|
|
if (seckillProductCount + count > seckillActivity.getTotalLimitCount()) {
|
|
|
|
|
throw exception(PRICE_CALCULATE_SECKILL_TOTAL_LIMIT_COUNT);
|
|
|
|
|
}
|
|
|
|
|
return seckillActivity;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
YunaiV
2 years ago