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Price 价格服务的编写

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This commit is contained in:
YunaiV
2020-08-12 20:05:48 +08:00
parent 84cc2728bd
commit ed71f5e9c8
24 changed files with 457 additions and 81 deletions
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2
promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/convert/activity/PromotionActivityConvert.java
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@@ -26,6 +26,8 @@ public interface PromotionActivityConvert {
@Mappings({})
List<PromotionActivityRespDTO> convertToRespDTO(List<PromotionActivityDO> activityList);
List<PromotionActivityRespDTO> convertList(List<PromotionActivityDO> list);
// @Mappings({})
// PromotionActivityDO convert(PromotionActivityAddDTO activityAddDTO);
//

11
promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/dal/mysql/dataobject/activity/PromotionActivityDO.java
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@@ -1,8 +1,11 @@
package cn.iocoder.mall.promotionservice.dal.mysql.dataobject.activity;
import cn.iocoder.mall.mybatis.core.dataobject.BaseDO;
import cn.iocoder.mall.mybatis.core.dataobject.DeletableDO;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableName;
import com.baomidou.mybatisplus.extension.handlers.FastjsonTypeHandler;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.experimental.Accessors;
import java.util.Date;
@@ -11,9 +14,11 @@ import java.util.List;
/**
* 促销活动 DO
*/
@TableName(value = "promotion_activity", autoResultMap = true)
@Data
@EqualsAndHashCode(callSuper = true)
@Accessors(chain = true)
public class PromotionActivityDO extends DeletableDO {
public class PromotionActivityDO extends BaseDO {
/**
* 活动编号
@@ -59,10 +64,12 @@ public class PromotionActivityDO extends DeletableDO {
/**
* 限制折扣字符串，使用 JSON 序列化成字符串存储
*/
@TableField(typeHandler = FastjsonTypeHandler.class)
private TimeLimitedDiscount timeLimitedDiscount;
/**
* 满减送字符串，使用 JSON 序列化成字符串存储
*/
@TableField(typeHandler = FastjsonTypeHandler.class)
private FullPrivilege fullPrivilege;
/**

12
promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/dal/mysql/mapper/activity/PromotionActivityMapper.java
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@@ -1,6 +1,8 @@
package cn.iocoder.mall.promotionservice.dal.mysql.mapper.activity;
import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.activity.PromotionActivityDO;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;
@@ -8,13 +10,11 @@ import java.util.Collection;
import java.util.List;
@Repository
public interface PromotionActivityMapper {
public interface PromotionActivityMapper extends BaseMapper<PromotionActivityDO> {
PromotionActivityDO selectById(@Param("id") Integer id);
List<PromotionActivityDO> selectListByStatus(@Param("statuses") Collection<Integer> statuses);
void insert(PromotionActivityDO activity);
default List<PromotionActivityDO> selectListByStatus(@Param("statuses") Collection<Integer> statuses) {
return selectList(new QueryWrapper<PromotionActivityDO>().in("status", statuses));
}
List<PromotionActivityDO> selectListByPage(@Param("title") String title,
@Param("activityType") Integer activityType,

1
promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/manager/package-info.java Normal file
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@@ -0,0 +1 @@
package cn.iocoder.mall.promotionservice.manager;

110
promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/manager/price/PriceManager.java Normal file
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@@ -0,0 +1,110 @@
package cn.iocoder.mall.promotionservice.manager.price;
import cn.iocoder.common.framework.exception.util.ServiceExceptionUtil;
import cn.iocoder.common.framework.util.CollectionUtils;
import cn.iocoder.common.framework.vo.CommonResult;
import cn.iocoder.mall.productservice.rpc.sku.ProductSkuRpc;
import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuListQueryReqDTO;
import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuRespDTO;
import cn.iocoder.mall.promotion.api.enums.PromotionActivityStatusEnum;
import cn.iocoder.mall.promotion.api.rpc.activity.dto.PromotionActivityRespDTO;
import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcReqDTO;
import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcRespDTO;
import cn.iocoder.mall.promotionservice.service.activity.PromotionActivityService;
import org.apache.dubbo.config.annotation.DubboReference;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.validation.annotation.Validated;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import static cn.iocoder.mall.promotion.api.enums.PromotionErrorCodeConstants.PRICE_PRODUCT_SKU_NOT_EXISTS;
@Service
@Validated
public class PriceManager {
@DubboReference(version = "${dubbo.consumer.ProductSkuRpc.version}")
private ProductSkuRpc productSkuRpc;
@Autowired
private PromotionActivityService promotionActivityService;
public PriceProductCalcRespDTO calcProductPrice(PriceProductCalcReqDTO calcReqDTO) {
// TODO 芋艿，补充一些表单校验。例如说，需要传入用户编号。
// 校验商品都存在
Map<Integer, PriceProductCalcReqDTO.Item> calcProductItemDTOMap = CollectionUtils.convertMap(
calcReqDTO.getItems(), PriceProductCalcReqDTO.Item::getSkuId);
CommonResult<List<ProductSkuRespDTO>> listProductSkusResult = productSkuRpc.listProductSkus(
new ProductSkuListQueryReqDTO().setProductSkuIds(calcProductItemDTOMap.keySet()));
listProductSkusResult.checkError();
if (calcReqDTO.getItems().size() != listProductSkusResult.getData().size()) {
throw ServiceExceptionUtil.exception(PRICE_PRODUCT_SKU_NOT_EXISTS);
}
// TODO 库存相关
// 查询促销活动
List<PromotionActivityRespDTO> activityRespDTOs = promotionActivityService.listPromotionActivitiesBySpuIds(
calcProductItemDTOMap.keySet(), Collections.singleton(PromotionActivityStatusEnum.RUN.getValue()));
// 拼装结果（主要是计算价格）
PriceProductCalcRespDTO calcRespDTO = new PriceProductCalcRespDTO();
// 1. 创建初始的每一项的数组
List<PriceProductCalcRespDTO.Item> calcItemRespDTOs = initCalcOrderPriceItems(
listProductSkusResult.getData(), calcProductItemDTOMap);
// 2. 计算【限时折扣】促销
// modifyPriceByTimeLimitDiscount(items, activityList);
// 3. 计算【满减送】促销
// 4. 计算优惠劵
// 5. 计算最终的价格
return null;
}
private List<PriceProductCalcRespDTO.Item> initCalcOrderPriceItems(List<ProductSkuRespDTO> skus,
Map<Integer, PriceProductCalcReqDTO.Item> calcProductItemDTOMap) {
List<PriceProductCalcRespDTO.Item> items = new ArrayList<>();
for (ProductSkuRespDTO sku : skus) {
PriceProductCalcRespDTO.Item item = new PriceProductCalcRespDTO.Item();
items.add(item);
// 将是否选中，购物数量，复制到 item 中
PriceProductCalcReqDTO.Item calcOrderItem = calcProductItemDTOMap.get(sku.getId());
item.setBuyQuantity(calcOrderItem.getQuantity());
// 计算初始价格
item.setOriginPrice(sku.getPrice());
item.setBuyPrice(sku.getPrice());
item.setPresentPrice(sku.getPrice());
item.setBuyTotal(sku.getPrice() * calcOrderItem.getQuantity());
item.setDiscountTotal(0);
item.setPresentTotal(item.getBuyTotal());
}
return items;
}
// private void modifyPriceByTimeLimitDiscount(List<CalcOrderPriceBO.Item> items, List<PromotionActivityBO> activityList) {
// for (CalcOrderPriceBO.Item item : items) {
// // 获得符合条件的限时折扣
// PromotionActivityBO timeLimitedDiscount = activityList.stream()
// .filter(activity -> PromotionActivityTypeEnum.TIME_LIMITED_DISCOUNT.getValue().equals(activity.getActivityType())
// && activity.getTimeLimitedDiscount().getItems().stream().anyMatch(item0 -> item0.getSpuId().equals(item.getSpu().getId())))
// .findFirst().orElse(null);
// if (timeLimitedDiscount == null) {
// continue;
// }
// // 计算价格
// ProductSkuBO sku = new ProductSkuBO().setId(item.getId()).setSpuId(item.getSpu().getId()).setPrice(item.getPrice());
// Integer newPrice = calcSkuPriceByTimeLimitDiscount(sku, timeLimitedDiscount);
// if (newPrice.equals(item.getPrice())) {
// continue;
// }
// // 设置优惠
// item.setActivity(timeLimitedDiscount);
// // 设置价格
// item.setBuyPrice(newPrice);
// item.setBuyTotal(newPrice * item.getBuyQuantity());
// item.setPresentTotal(item.getBuyTotal() - item.getDiscountTotal());
// item.setPresentPrice(item.getPresentTotal() / item.getBuyQuantity());
// }
// }
}

25
promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/service/activity/PromotionActivityService.java
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@@ -1,8 +1,8 @@
package cn.iocoder.mall.promotionservice.service.activity;
import cn.iocoder.common.framework.exception.util.ServiceExceptionUtil;
import cn.iocoder.mall.promotion.api.enums.PromotionActivityTypeEnum;
import cn.iocoder.mall.promotion.api.enums.RangeTypeEnum;
import cn.iocoder.mall.promotion.api.rpc.activity.dto.PromotionActivityRespDTO;
import cn.iocoder.mall.promotionservice.convert.activity.PromotionActivityConvert;
import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.activity.PromotionActivityDO;
import cn.iocoder.mall.promotionservice.dal.mysql.mapper.activity.PromotionActivityMapper;
@@ -12,7 +12,6 @@ import org.springframework.stereotype.Service;
import org.springframework.util.Assert;
import org.springframework.validation.annotation.Validated;
import javax.validation.Valid;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
@@ -26,11 +25,25 @@ public class PromotionActivityService {
@Autowired
private PromotionActivityMapper promotionActivityMapper;
public List<PromotionActivityDO> getPromotionActivityListBySpuId(Integer spuId, Collection<Integer> activityStatuses) {
return this.getPromotionActivityListBySpuIds(Collections.singleton(spuId), activityStatuses);
/**
* 获取指定商品
*
* @param spuId
* @param activityStatuses
* @return
*/
public List<PromotionActivityRespDTO> listPromotionActivitiesBySpuId(Integer spuId, Collection<Integer> activityStatuses) {
return this.listPromotionActivitiesBySpuIds(Collections.singleton(spuId), activityStatuses);
}
public List<PromotionActivityDO> getPromotionActivityListBySpuIds(Collection<Integer> spuIds, Collection<Integer> activityStatuses) {
/**
*
*
* @param spuIds
* @param activityStatuses
* @return
*/
public List<PromotionActivityRespDTO> listPromotionActivitiesBySpuIds(Collection<Integer> spuIds, Collection<Integer> activityStatuses) {
if (spuIds.isEmpty() || activityStatuses.isEmpty()) {
return Collections.emptyList();
}
@@ -64,7 +77,7 @@ public class PromotionActivityService {
}
}
// 返回最终结果
return activityList;
return PromotionActivityConvert.INSTANCE.convertList(activityList);
}
public PromotionActivityPageBO getPromotionActivityPage(Integer pageNo,Integer pageSize,String title,Integer activityType,Collection<Integer> statuses) {

28
promotion-service-project/promotion-service-app/src/test/java/cn/iocoder/mall/promotionservice/dal/mysql/mapper/activity/PromotionActivityMapperTest.java Normal file
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@@ -0,0 +1,28 @@
package cn.iocoder.mall.promotionservice.dal.mysql.mapper.activity;
import cn.iocoder.mall.promotion.api.enums.PromotionActivityStatusEnum;
import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.activity.PromotionActivityDO;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import java.util.Collections;
import java.util.List;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.NONE)
public class PromotionActivityMapperTest {
@Autowired
private PromotionActivityMapper promotionActivityMapper;
@Test
public void testSelectListByStatus() {
List<PromotionActivityDO> result = promotionActivityMapper.selectListByStatus(
Collections.singleton(PromotionActivityStatusEnum.RUN.getValue()));
System.out.println(result.size());
}
}

1
promotion-service-project/promotion-service-app/src/test/java/cn/iocoder/mall/promotionservice/package-info.java Normal file
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@@ -0,0 +1 @@
package cn.iocoder.mall.promotionservice;