YunaiV
6 years ago
parent
84cc2728bd
commit
ed71f5e9c8
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package cn.iocoder.mall.promotion.api.rpc.price.dto;
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import lombok.Data;
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import lombok.experimental.Accessors;
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import javax.validation.constraints.NotNull;
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import java.io.Serializable;
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import java.util.List;
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/**
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* 商品价格计算 Request DTO
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*/
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@Data
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@Accessors
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public class PriceProductCalcReqDTO implements Serializable {
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/**
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* 用户编号
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*/
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@NotNull(message = "用户编号不能为空")
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private Integer userId;
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/**
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* 优惠劵编号
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*/
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private Integer couponCardId;
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/**
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* 商品 SKU 数组
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*/
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@NotNull(message = "商品数组不能为空")
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private List<Item> items;
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/**
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* 商品 SKU
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*/
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@Data
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@Accessors(chain = true)
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public static class Item {
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/**
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* SKU 编号
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*/
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private Integer skuId;
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/**
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* 数量
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*/
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private Integer quantity;
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public Item() {
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}
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public Item(Integer skuId, Integer quantity) {
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this.skuId = skuId;
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this.quantity = quantity;
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}
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}
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}
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package cn.iocoder.mall.promotionservice.manager;
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package cn.iocoder.mall.promotionservice.manager.price;
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import cn.iocoder.common.framework.exception.util.ServiceExceptionUtil;
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import cn.iocoder.common.framework.util.CollectionUtils;
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import cn.iocoder.common.framework.vo.CommonResult;
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import cn.iocoder.mall.productservice.rpc.sku.ProductSkuRpc;
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import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuListQueryReqDTO;
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import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuRespDTO;
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import cn.iocoder.mall.promotion.api.enums.PromotionActivityStatusEnum;
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import cn.iocoder.mall.promotion.api.rpc.activity.dto.PromotionActivityRespDTO;
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import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcReqDTO;
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import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcRespDTO;
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import cn.iocoder.mall.promotionservice.service.activity.PromotionActivityService;
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import org.apache.dubbo.config.annotation.DubboReference;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import static cn.iocoder.mall.promotion.api.enums.PromotionErrorCodeConstants.PRICE_PRODUCT_SKU_NOT_EXISTS;
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@Service
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@Validated
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public class PriceManager {
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@DubboReference(version = "${dubbo.consumer.ProductSkuRpc.version}")
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private ProductSkuRpc productSkuRpc;
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@Autowired
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private PromotionActivityService promotionActivityService;
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public PriceProductCalcRespDTO calcProductPrice(PriceProductCalcReqDTO calcReqDTO) {
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// TODO 芋艿，补充一些表单校验。例如说，需要传入用户编号。
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// 校验商品都存在
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Map<Integer, PriceProductCalcReqDTO.Item> calcProductItemDTOMap = CollectionUtils.convertMap(
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calcReqDTO.getItems(), PriceProductCalcReqDTO.Item::getSkuId);
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CommonResult<List<ProductSkuRespDTO>> listProductSkusResult = productSkuRpc.listProductSkus(
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new ProductSkuListQueryReqDTO().setProductSkuIds(calcProductItemDTOMap.keySet()));
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listProductSkusResult.checkError();
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if (calcReqDTO.getItems().size() != listProductSkusResult.getData().size()) {
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throw ServiceExceptionUtil.exception(PRICE_PRODUCT_SKU_NOT_EXISTS);
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}
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// TODO 库存相关
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// 查询促销活动
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List<PromotionActivityRespDTO> activityRespDTOs = promotionActivityService.listPromotionActivitiesBySpuIds(
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calcProductItemDTOMap.keySet(), Collections.singleton(PromotionActivityStatusEnum.RUN.getValue()));
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// 拼装结果（主要是计算价格）
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PriceProductCalcRespDTO calcRespDTO = new PriceProductCalcRespDTO();
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// 1. 创建初始的每一项的数组
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List<PriceProductCalcRespDTO.Item> calcItemRespDTOs = initCalcOrderPriceItems(
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listProductSkusResult.getData(), calcProductItemDTOMap);
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// 2. 计算【限时折扣】促销
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// modifyPriceByTimeLimitDiscount(items, activityList);
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// 3. 计算【满减送】促销
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// 4. 计算优惠劵
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// 5. 计算最终的价格
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return null;
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}
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private List<PriceProductCalcRespDTO.Item> initCalcOrderPriceItems(List<ProductSkuRespDTO> skus,
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Map<Integer, PriceProductCalcReqDTO.Item> calcProductItemDTOMap) {
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List<PriceProductCalcRespDTO.Item> items = new ArrayList<>();
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for (ProductSkuRespDTO sku : skus) {
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PriceProductCalcRespDTO.Item item = new PriceProductCalcRespDTO.Item();
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items.add(item);
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// 将是否选中，购物数量，复制到 item 中
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PriceProductCalcReqDTO.Item calcOrderItem = calcProductItemDTOMap.get(sku.getId());
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item.setBuyQuantity(calcOrderItem.getQuantity());
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// 计算初始价格
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item.setOriginPrice(sku.getPrice());
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item.setBuyPrice(sku.getPrice());
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item.setPresentPrice(sku.getPrice());
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item.setBuyTotal(sku.getPrice() * calcOrderItem.getQuantity());
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item.setDiscountTotal(0);
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item.setPresentTotal(item.getBuyTotal());
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}
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return items;
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}
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// private void modifyPriceByTimeLimitDiscount(List<CalcOrderPriceBO.Item> items, List<PromotionActivityBO> activityList) {
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// for (CalcOrderPriceBO.Item item : items) {
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// // 获得符合条件的限时折扣
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// PromotionActivityBO timeLimitedDiscount = activityList.stream()
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// .filter(activity -> PromotionActivityTypeEnum.TIME_LIMITED_DISCOUNT.getValue().equals(activity.getActivityType())
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// && activity.getTimeLimitedDiscount().getItems().stream().anyMatch(item0 -> item0.getSpuId().equals(item.getSpu().getId())))
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// .findFirst().orElse(null);
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// if (timeLimitedDiscount == null) {
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// continue;
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// }
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// // 计算价格
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// ProductSkuBO sku = new ProductSkuBO().setId(item.getId()).setSpuId(item.getSpu().getId()).setPrice(item.getPrice());
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// Integer newPrice = calcSkuPriceByTimeLimitDiscount(sku, timeLimitedDiscount);
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// if (newPrice.equals(item.getPrice())) {
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// continue;
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// }
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// // 设置优惠
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// item.setActivity(timeLimitedDiscount);
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// // 设置价格
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// item.setBuyPrice(newPrice);
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// item.setBuyTotal(newPrice * item.getBuyQuantity());
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// item.setPresentTotal(item.getBuyTotal() - item.getDiscountTotal());
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// item.setPresentPrice(item.getPresentTotal() / item.getBuyQuantity());
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// }
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// }
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}
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@ -0,0 +1,28 @@
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package cn.iocoder.mall.promotionservice.dal.mysql.mapper.activity;
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import cn.iocoder.mall.promotion.api.enums.PromotionActivityStatusEnum;
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import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.activity.PromotionActivityDO;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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import java.util.Collections;
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import java.util.List;
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@RunWith(SpringJUnit4ClassRunner.class)
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@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.NONE)
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public class PromotionActivityMapperTest {
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@Autowired
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private PromotionActivityMapper promotionActivityMapper;
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@Test
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public void testSelectListByStatus() {
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List<PromotionActivityDO> result = promotionActivityMapper.selectListByStatus(
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Collections.singleton(PromotionActivityStatusEnum.RUN.getValue()));
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System.out.println(result.size());
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}
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}
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@ -0,0 +1 @@
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package cn.iocoder.mall.promotionservice;
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