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物流运费计算 review 修改 + 单元测试

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This commit is contained in:
jason 2023-06-10 00:15:57 +08:00
parent 1e1a22c256
commit dde89d51d5
11 changed files with 304 additions and 95 deletions
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6
yudao-module-mall/yudao-module-trade-api/src/main/java/cn/iocoder/yudao/module/trade/enums/ErrorCodeConstants.java
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@ -50,8 +50,10 @@ public interface ErrorCodeConstants {
// TODO @jason：最好每个模块一段哈。express 一个；exmpresstemplate 一个；pickup 一个
ErrorCode EXPRESS_CODE_DUPLICATE = new ErrorCode(1011003001, "已经存在该编码的快递公司");
ErrorCode EXPRESS_TEMPLATE_NOT_EXISTS = new ErrorCode(1011003002, "运费模板不存在");
ErrorCode EXPRESS_TEMPLATE_NAME_DUPLICATE = new ErrorCode(1011003002, "已经存在该运费模板名");
ErrorCode PICK_UP_STORE_NOT_EXISTS = new ErrorCode(1011003003, "自提门店不存在");
ErrorCode EXPRESS_TEMPLATE_NAME_DUPLICATE = new ErrorCode(1011003003, "已经存在该运费模板名");
ErrorCode DELIVERY_EXPRESS_USER_ADDRESS_IS_EMPTY = new ErrorCode(1011003004, "计算快递运费时，收件人地址编号为空");
ErrorCode PRODUCT_EXPRESS_TEMPLATE_NOT_FOUND = new ErrorCode(1011003005, "找不到到商品对应的运费模板");
ErrorCode PICK_UP_STORE_NOT_EXISTS = new ErrorCode(1011003006, "自提门店不存在");
// ========== Price 相关 1011004000 ============
ErrorCode PRICE_CALCULATE_PAY_PRICE_ILLEGAL = new ErrorCode(1011004000, "支付价格计算异常，原因：价格小于等于 0");

6
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/delivery/DeliveryExpressTemplateConvert.java
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@ -6,6 +6,8 @@ import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplat
import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemplateChargeDO;
import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemplateDO;
import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemplateFreeDO;
import cn.iocoder.yudao.module.trade.service.delivery.bo.DeliveryExpressTemplateChargeBO;
import cn.iocoder.yudao.module.trade.service.delivery.bo.DeliveryExpressTemplateFreeBO;
import org.mapstruct.Mapper;
import org.mapstruct.factory.Mappers;
@ -47,6 +49,8 @@ public interface DeliveryExpressTemplateConvert {
DeliveryExpressTemplateChargeDO convertTemplateCharge(DeliveryExpressTemplateUpdateReqVO.ExpressTemplateChargeUpdateVO vo);
DeliveryExpressTemplateChargeBO convertTemplateCharge(DeliveryExpressTemplateChargeDO bean);
default List<DeliveryExpressTemplateChargeDO> convertTemplateChargeList(Long templateId, Integer chargeMode, List<ExpressTemplateChargeBaseVO> list) {
return CollectionUtils.convertList(list, vo -> convertTemplateCharge(templateId, chargeMode, vo));
}
@ -57,6 +61,8 @@ public interface DeliveryExpressTemplateConvert {
DeliveryExpressTemplateFreeDO convertTemplateFree(DeliveryExpressTemplateUpdateReqVO.ExpressTemplateFreeUpdateVO vo);
DeliveryExpressTemplateFreeBO convertTemplateFree(DeliveryExpressTemplateFreeDO bean);
List<ExpressTemplateChargeBaseVO> convertTemplateChargeList(List<DeliveryExpressTemplateChargeDO> list);
List<ExpressTemplateFreeBaseVO> convertTemplateFreeList(List<DeliveryExpressTemplateFreeDO> list);

5
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/delivery/DeliveryExpressTemplateService.java
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@ -83,14 +83,13 @@ public interface DeliveryExpressTemplateService {
*/
DeliveryExpressTemplateDO validateDeliveryExpressTemplate(Long templateId);
// TODO @jason 方法名可以改成 getExpressTemplateMapBySpuIdsAndArea
/**
* 基于指定的 SPU 编号数组和收件人地址区域编号. 获取匹配运费模板
*
* @param ids SPU 编号列表 // TODO @jason：模版编号？
* @param spuIds SPU 编号列表
* @param areaId 区域编号
* @return Map (spuId -> 运费模板设置)
*/
Map<Long, SpuDeliveryExpressTemplateRespBO> getExpressTemplateBySpuIdsAndArea(Collection<Long> ids, Integer areaId);
Map<Long, SpuDeliveryExpressTemplateRespBO> getExpressTemplateMapBySpuIdsAndArea(Collection<Long> spuIds, Integer areaId);
}

56
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/delivery/DeliveryExpressTemplateServiceImpl.java
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@ -15,6 +15,8 @@ import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemp
import cn.iocoder.yudao.module.trade.dal.mysql.delivery.DeliveryExpressTemplateChargeMapper;
import cn.iocoder.yudao.module.trade.dal.mysql.delivery.DeliveryExpressTemplateFreeMapper;
import cn.iocoder.yudao.module.trade.dal.mysql.delivery.DeliveryExpressTemplateMapper;
import cn.iocoder.yudao.module.trade.service.delivery.bo.DeliveryExpressTemplateChargeBO;
import cn.iocoder.yudao.module.trade.service.delivery.bo.DeliveryExpressTemplateFreeBO;
import cn.iocoder.yudao.module.trade.service.delivery.bo.SpuDeliveryExpressTemplateRespBO;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@ -24,8 +26,7 @@ import javax.annotation.Resource;
import java.util.*;
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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.util.collection.CollectionUtils.*;
import static cn.iocoder.yudao.module.trade.convert.delivery.DeliveryExpressTemplateConvert.INSTANCE;
import static cn.iocoder.yudao.module.trade.enums.ErrorCodeConstants.EXPRESS_TEMPLATE_NAME_DUPLICATE;
import static cn.iocoder.yudao.module.trade.enums.ErrorCodeConstants.EXPRESS_TEMPLATE_NOT_EXISTS;
@ -227,7 +228,7 @@ public class DeliveryExpressTemplateServiceImpl implements DeliveryExpressTempla
}
@Override
public Map<Long, SpuDeliveryExpressTemplateRespBO> getExpressTemplateBySpuIdsAndArea(Collection<Long> spuIds, Integer areaId) {
public Map<Long, SpuDeliveryExpressTemplateRespBO> getExpressTemplateMapBySpuIdsAndArea(Collection<Long> spuIds, Integer areaId) {
Assert.notNull(areaId, "区域编号 {} 不能为空", areaId);
List<ProductSpuRespDTO> spuList = productSpuApi.getSpuList(spuIds);
if (CollUtil.isEmpty(spuList)) {
@ -237,43 +238,32 @@ public class DeliveryExpressTemplateServiceImpl implements DeliveryExpressTempla
List<DeliveryExpressTemplateDO> templateList = expressTemplateMapper.selectBatchIds(spuMap.keySet());
Map<Long, SpuDeliveryExpressTemplateRespBO> result = new HashMap<>(templateList.size());
templateList.forEach(item -> {
// TODO @jason：if return ，更简洁哈；
if (spuMap.containsKey(item.getId())) {
ProductSpuRespDTO spu = spuMap.get(item.getId());
SpuDeliveryExpressTemplateRespBO bo = new SpuDeliveryExpressTemplateRespBO()
.setSpuId(spu.getId()).setAreaId(areaId)
.setChargeMode(item.getChargeMode())
// TODO @jason：是不是只要查询到一个，就不用查询下一个了；TemplateCharge 和 TemplateFree
.setTemplateCharge(findMatchExpressTemplateCharge(item.getId(), areaId))
.setTemplateFree(findMatchExpressTemplateFree(item.getId(), areaId));
result.put(spu.getId(), bo);
ProductSpuRespDTO spu = spuMap.get(item.getId());
if (spu == null) {
return;
}
SpuDeliveryExpressTemplateRespBO bo = new SpuDeliveryExpressTemplateRespBO()
.setChargeMode(item.getChargeMode())
// TODO @jason：是不是只要查询到一个，就不用查询下一个了；TemplateCharge 和 TemplateFree
// @芋艿 包邮的优先级> 费用的优先级 所以两个都要查询
.setTemplateCharge(findMatchExpressTemplateCharge(item.getId(), areaId))
.setTemplateFree(findMatchExpressTemplateFree(item.getId(), areaId));
result.put(spu.getId(), bo);
});
return result;
}
private DeliveryExpressTemplateChargeDO findMatchExpressTemplateCharge(Long templateId, Integer areaId) {
List<DeliveryExpressTemplateChargeDO> list = expressTemplateChargeMapper.selectListByTemplateId(templateId);
// TODO @jason：可以使用 CollectionUtils.findFirst()
for (DeliveryExpressTemplateChargeDO item : list) {
// 第一个匹配的返回。 areaId 不能重复
if (item.getAreaIds().contains(areaId)) {
return item;
}
}
return null;
private DeliveryExpressTemplateChargeBO findMatchExpressTemplateCharge(Long templateId, Integer areaId) {
return INSTANCE.convertTemplateCharge(findFirst(
expressTemplateChargeMapper.selectListByTemplateId(templateId), item -> item.getAreaIds().contains(areaId)
)
);
}
private DeliveryExpressTemplateFreeDO findMatchExpressTemplateFree(Long templateId, Integer areaId) {
List<DeliveryExpressTemplateFreeDO> list = expressTemplateFreeMapper.selectListByTemplateId(templateId);
// TODO @jason：可以使用 CollectionUtils.findFirst()
for (DeliveryExpressTemplateFreeDO item : list) {
// 第一个匹配的返回。 areaId 不能重复
if (item.getAreaIds().contains(areaId)) {
return item;
}
}
return null;
private DeliveryExpressTemplateFreeBO findMatchExpressTemplateFree(Long templateId, Integer areaId) {
return INSTANCE.convertTemplateFree(findFirst(
expressTemplateFreeMapper.selectListByTemplateId(templateId), item -> item.getAreaIds().contains(areaId)
));
}
}

29
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/delivery/bo/DeliveryExpressTemplateChargeBO.java Normal file
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@ -0,0 +1,29 @@
package cn.iocoder.yudao.module.trade.service.delivery.bo;
import lombok.Data;
/**
* 快递运费模板费用配置 BO
*
* @author jason
*/
@Data
public class DeliveryExpressTemplateChargeBO {
/**
* 首件数量(件数,重量，或体积)
*/
private Double startCount;
/**
* 起步价，单位：分
*/
private Integer startPrice;
/**
* 续件数量(件, 重量，或体积)
*/
private Double extraCount;
/**
* 额外价，单位：分
*/
private Integer extraPrice;
}

26
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/delivery/bo/DeliveryExpressTemplateFreeBO.java Normal file
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@ -0,0 +1,26 @@
package cn.iocoder.yudao.module.trade.service.delivery.bo;
import lombok.Data;
/**
* 快递运费模板包邮配置 BO
*
* @author jason
*/
@Data
public class DeliveryExpressTemplateFreeBO {
/**
* 包邮金额，单位：分
*
* 订单总金额 > 包邮金额时，才免运费
*/
private Integer freePrice;
/**
* 包邮件数
*
* 订单总件数 > 包邮件数时，才免运费
*/
private Integer freeCount;
}

21
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/delivery/bo/SpuDeliveryExpressTemplateRespBO.java
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@ -1,7 +1,5 @@
package cn.iocoder.yudao.module.trade.service.delivery.bo;
import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemplateChargeDO;
import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemplateFreeDO;
import cn.iocoder.yudao.module.trade.enums.delivery.DeliveryExpressChargeModeEnum;
import lombok.Data;
@ -13,8 +11,6 @@ import lombok.Data;
@Data
public class SpuDeliveryExpressTemplateRespBO {
// TODO @jason：是不是可以简单一点；是否包邮；然后直接把 templateCharge、templateFree 需要的字段平铺开
/**
* 配送计费方式
*
@ -25,24 +21,11 @@ public class SpuDeliveryExpressTemplateRespBO {
/**
* 运费模板快递运费设置
*/
private DeliveryExpressTemplateChargeDO templateCharge;
private DeliveryExpressTemplateChargeBO templateCharge;
/**
* 运费模板包邮设置
*/
private DeliveryExpressTemplateFreeDO templateFree;
// TODO @jason：下面两个字段不用返回也可以呀
/**
* SPU 编号
* <p>
* 关联 ProductSpuDO 的 id 编号
*/
private Long spuId;
/**
* 区域编号
*/
private Integer areaId;
private DeliveryExpressTemplateFreeBO templateFree;
}

9
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/bo/TradePriceCalculateRespBO.java
View File

@ -164,6 +164,15 @@ public class TradePriceCalculateRespBO {
*/
private Integer payPrice;
/**
* 商品重量，单位：kg 千克
*/
private Double weight;
/**
* 商品体积，单位：m^3 平米
*/
private Double volume;
// ========== 商品信息 ==========
/**
* 商品名

70
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradeDeliveryPriceCalculator.java
View File

@ -4,17 +4,16 @@ import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.Assert;
import cn.iocoder.yudao.module.member.api.address.AddressApi;
import cn.iocoder.yudao.module.member.api.address.dto.AddressRespDTO;
import cn.iocoder.yudao.module.product.api.sku.ProductSkuApi;
import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO;
import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemplateChargeDO;
import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemplateFreeDO;
import cn.iocoder.yudao.module.trade.enums.delivery.DeliveryExpressChargeModeEnum;
import cn.iocoder.yudao.module.trade.enums.delivery.DeliveryTypeEnum;
import cn.iocoder.yudao.module.trade.service.delivery.DeliveryExpressTemplateService;
import cn.iocoder.yudao.module.trade.service.delivery.bo.DeliveryExpressTemplateChargeBO;
import cn.iocoder.yudao.module.trade.service.delivery.bo.DeliveryExpressTemplateFreeBO;
import cn.iocoder.yudao.module.trade.service.delivery.bo.SpuDeliveryExpressTemplateRespBO;
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO;
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO.OrderItem;
import lombok.extern.slf4j.Slf4j;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
@ -23,7 +22,10 @@ import java.util.List;
import java.util.Map;
import java.util.Set;
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
import static cn.iocoder.yudao.module.trade.enums.ErrorCodeConstants.DELIVERY_EXPRESS_USER_ADDRESS_IS_EMPTY;
import static cn.iocoder.yudao.module.trade.enums.ErrorCodeConstants.PRODUCT_EXPRESS_TEMPLATE_NOT_FOUND;
/**
* 运费的 {@link TradePriceCalculator} 实现类
@ -32,13 +34,12 @@ import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.
*/
@Component
@Order(TradePriceCalculator.ORDER_DELIVERY)
@Slf4j
public class TradeDeliveryPriceCalculator implements TradePriceCalculator {
@Resource
private AddressApi addressApi;
@Resource
private ProductSkuApi productSkuApi;
@Resource
private DeliveryExpressTemplateService deliveryExpressTemplateService;
@Override
@ -47,10 +48,10 @@ public class TradeDeliveryPriceCalculator implements TradePriceCalculator {
if (param.getDeliveryType() == null || DeliveryTypeEnum.PICK_UP.getMode().equals(param.getDeliveryType())) {
return;
}
// 1.2 得到收件地址区域
if (param.getAddressId() == null) {
return;
throw exception(DELIVERY_EXPRESS_USER_ADDRESS_IS_EMPTY);
}
// 1.2 得到收件地址区域
AddressRespDTO address = addressApi.getAddress(param.getAddressId(), param.getUserId());
Assert.notNull(address, "收件人({})的地址，不能为空", param.getUserId());
@ -58,33 +59,27 @@ public class TradeDeliveryPriceCalculator implements TradePriceCalculator {
List<OrderItem> selectedItem = filterList(result.getItems(), OrderItem::getSelected);
Set<Long> spuIds = convertSet(selectedItem, OrderItem::getSpuId);
Map<Long, SpuDeliveryExpressTemplateRespBO> spuExpressTemplateMap =
deliveryExpressTemplateService.getExpressTemplateBySpuIdsAndArea(spuIds, address.getAreaId());
deliveryExpressTemplateService.getExpressTemplateMapBySpuIdsAndArea(spuIds, address.getAreaId());
// 3. 计算配送费用
// TODO @jason：这里应该不能判断空；如果找不到模版，就要报错；不然配送费就亏了
if (CollUtil.isNotEmpty(spuExpressTemplateMap)) {
calculateDeliveryPrice(selectedItem, spuExpressTemplateMap, result);
if (CollUtil.isEmpty(spuExpressTemplateMap)) {
log.error("找不到商品 SPU ID {}, area Id {} ,对应的运费模板", spuIds, address.getAreaId());
throw exception(PRODUCT_EXPRESS_TEMPLATE_NOT_FOUND);
}
calculateDeliveryPrice(selectedItem, spuExpressTemplateMap, result);
}
private void calculateDeliveryPrice(List<OrderItem> selectedSkus,
Map<Long, SpuDeliveryExpressTemplateRespBO> spuExpressTemplateMap,
TradePriceCalculateRespBO result) {
// 得到 SKU 详情
// TODO @jason：可以去掉这里的读取；在 TradePriceCalculateRespBO 初始化的时候，把 weight、volume 拿到
Set<Long> skuIds = convertSet(selectedSkus, OrderItem::getSkuId);
Map<Long, ProductSkuRespDTO> skuRespMap = convertMap(productSkuApi.getSkuList(skuIds), ProductSkuRespDTO::getId);
// 按 SPU 来计算商品的运费：一个 spuId 可能对应多条订单商品 SKU
Map<Long, List<OrderItem>> spuIdItemMap = convertMultiMap(selectedSkus, OrderItem::getSpuId);
// 依次计算每个 SPU 的快递运费
for (Map.Entry<Long, List<OrderItem>> entry : spuIdItemMap.entrySet()) {
Long spuId = entry.getKey();
List<OrderItem> orderItems = entry.getValue();
// TODO @jason：如果找不到，则打印 error log
SpuDeliveryExpressTemplateRespBO templateBO = spuExpressTemplateMap.get(spuId);
if (templateBO == null) {
// 记录错误日志
log.error("不能计算快递运费。不能找到 spuId : {}. 对应的运费模板配置 Resp BO", spuId);
continue;
}
// 总件数, 总金额, 总重量， 总体积
@ -93,22 +88,16 @@ public class TradeDeliveryPriceCalculator implements TradePriceCalculator {
double totalWeight = 0;
double totalVolume = 0;
for (OrderItem orderItem : orderItems) {
totalCount += orderItem.getCount();
totalPrice += orderItem.getPayPrice(); // 先按应付总金额来算，后面确认一下 TODO @jason：是的哈
ProductSkuRespDTO skuResp = skuRespMap.get(orderItem.getSkuId());
// TODO @jason：是不是要保持风格统一，都用 +=
totalWeight = totalWeight + skuResp.getWeight() * orderItem.getCount();
totalVolume = totalVolume + skuResp.getVolume() * orderItem.getCount();
totalCount += orderItem.getCount();
totalPrice += orderItem.getPayPrice();
totalWeight += totalWeight + orderItem.getWeight() * orderItem.getCount();
totalVolume += totalVolume + orderItem.getVolume() * orderItem.getCount();
}
// 优先判断是否包邮. 如果包邮不计算快递运费
if (checkExpressFree(templateBO.getChargeMode(), totalCount, totalWeight,
if (isExpressFree(templateBO.getChargeMode(), totalCount, totalWeight,
totalVolume, totalPrice, templateBO.getTemplateFree())) {
continue;
}
// TODO @jason：这块判断，可以收到 calculateExpressFeeByChargeMode 里；另外找不到，要打 error log
if (templateBO.getTemplateCharge() == null) {
continue;
}
// 计算快递运费
calculateExpressFeeByChargeMode(totalCount, totalWeight, totalVolume,
templateBO.getChargeMode(), templateBO.getTemplateCharge(), orderItems);
@ -128,8 +117,12 @@ public class TradeDeliveryPriceCalculator implements TradePriceCalculator {
* @param orderItems SKU 商品项目
*/
private void calculateExpressFeeByChargeMode(double totalCount, double totalWeight, double totalVolume,
int chargeMode, DeliveryExpressTemplateChargeDO templateCharge,
int chargeMode, DeliveryExpressTemplateChargeBO templateCharge,
List<OrderItem> orderItems) {
if (templateCharge == null) {
log.error("计算快递运费时，不能找到对应的快递运费模板费用配置。无法计算以下商品 SKU 项目运费: {}", orderItems);
return;
}
DeliveryExpressChargeModeEnum chargeModeEnum = DeliveryExpressChargeModeEnum.valueOf(chargeMode);
switch (chargeModeEnum) {
case PIECE: {
@ -154,7 +147,7 @@ public class TradeDeliveryPriceCalculator implements TradePriceCalculator {
* @param templateCharge 快递运费配置
* @param orderItems SKU 商品项目
*/
private void calculateExpressFee(double total, DeliveryExpressTemplateChargeDO templateCharge, List<OrderItem> orderItems) {
private void calculateExpressFee(double total, DeliveryExpressTemplateChargeBO templateCharge, List<OrderItem> orderItems) {
int deliveryPrice;
if (total <= templateCharge.getStartCount()) {
deliveryPrice = templateCharge.getStartPrice();
@ -176,11 +169,14 @@ public class TradeDeliveryPriceCalculator implements TradePriceCalculator {
* @param orderItems SKU 商品
*/
private void divideDeliveryPrice(int deliveryPrice, List<OrderItem> orderItems) {
// TODO @jason：分摊的话，是不是要按照比例呀？重量、价格、数量等等
// TODO @jason：分摊的话，是不是要按照比例呀？重量、价格、数量等等,
// 按比例是不是有点复杂。后面看看是否需要
int dividePrice = deliveryPrice / orderItems.size();
for (OrderItem item : orderItems) {
// 更新快递运费
item.setDeliveryPrice(dividePrice);
TradePriceCalculatorHelper.recountPayPrice(item);
}
}
@ -194,9 +190,8 @@ public class TradeDeliveryPriceCalculator implements TradePriceCalculator {
* @param totalPrice 总金额
* @param templateFree 包邮配置
*/
// TODO @jason：isExpressFree 更合适；因为 check 是一种校验，往往抛出异常；
private boolean checkExpressFree(Integer chargeMode, int totalCount, double totalWeight,
double totalVolume, int totalPrice, DeliveryExpressTemplateFreeDO templateFree) {
private boolean isExpressFree(Integer chargeMode, int totalCount, double totalWeight,
double totalVolume, int totalPrice, DeliveryExpressTemplateFreeBO templateFree) {
if (templateFree == null) {
return false;
}
@ -211,6 +206,7 @@ public class TradeDeliveryPriceCalculator implements TradePriceCalculator {
case WEIGHT:
// freeCount 是不是应该是 double ??
// TODO @jason：要不配置的时候，把它的单位和商品对齐？到底是 kg、还是斤
// TODO @芋艿 目前 包邮 件数/重量/体积 都用的是这个字段
if (totalWeight >= templateFree.getFreeCount()
&& totalPrice >= templateFree.getFreePrice()) {
return true;

3
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradePriceCalculatorHelper.java
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@ -53,7 +53,8 @@ public class TradePriceCalculatorHelper {
orderItem.setPrice(sku.getPrice()).setPayPrice(sku.getPrice() * item.getCount())
.setDiscountPrice(0).setDeliveryPrice(0).setCouponPrice(0).setPointPrice(0);
// sku 信息
orderItem.setPicUrl(sku.getPicUrl()).setProperties(sku.getProperties());
orderItem.setPicUrl(sku.getPicUrl()).setProperties(sku.getProperties())
.setWeight(sku.getWeight()).setVolume(sku.getVolume());
// spu 信息
orderItem.setSpuName(spu.getName()).setCategoryId(spu.getCategoryId());
if (orderItem.getPicUrl() == null) {

168
yudao-module-mall/yudao-module-trade-biz/src/test/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradeDeliveryPriceCalculatorTest.java Normal file
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@ -0,0 +1,168 @@
package cn.iocoder.yudao.module.trade.service.price.calculator;
import cn.iocoder.yudao.framework.test.core.ut.BaseMockitoUnitTest;
import cn.iocoder.yudao.module.member.api.address.AddressApi;
import cn.iocoder.yudao.module.member.api.address.dto.AddressRespDTO;
import cn.iocoder.yudao.module.trade.service.delivery.DeliveryExpressTemplateService;
import cn.iocoder.yudao.module.trade.service.delivery.bo.DeliveryExpressTemplateChargeBO;
import cn.iocoder.yudao.module.trade.service.delivery.bo.DeliveryExpressTemplateFreeBO;
import cn.iocoder.yudao.module.trade.service.delivery.bo.SpuDeliveryExpressTemplateRespBO;
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO;
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import static cn.iocoder.yudao.framework.common.util.collection.SetUtils.asSet;
import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomPojo;
import static cn.iocoder.yudao.module.trade.enums.delivery.DeliveryExpressChargeModeEnum.PIECE;
import static cn.iocoder.yudao.module.trade.enums.delivery.DeliveryTypeEnum.EXPRESS;
import static java.util.Arrays.asList;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.when;
import static org.assertj.core.api.Assertions.assertThat;
/**
* @author jason
*/
public class TradeDeliveryPriceCalculatorTest extends BaseMockitoUnitTest {
@InjectMocks
private TradeDeliveryPriceCalculator calculator;
@Mock
private AddressApi addressApi;
@Mock
private DeliveryExpressTemplateService deliveryExpressTemplateService;
private TradePriceCalculateReqBO reqBO;
private TradePriceCalculateRespBO resultBO;
private AddressRespDTO addressResp;
private DeliveryExpressTemplateChargeBO chargeBO;
private DeliveryExpressTemplateFreeBO freeBO;
private SpuDeliveryExpressTemplateRespBO spuTemplateRespBO;
@BeforeEach
public void init(){
// 准备参数
reqBO = new TradePriceCalculateReqBO()
.setDeliveryType(EXPRESS.getMode())
.setAddressId(10L)
.setUserId(1L)
.setItems(asList(
new TradePriceCalculateReqBO.Item().setSkuId(10L).setCount(2).setSelected(true),
new TradePriceCalculateReqBO.Item().setSkuId(20L).setCount(10).setSelected(true),
new TradePriceCalculateReqBO.Item().setSkuId(30L).setCount(4).setSelected(false)
));
resultBO = new TradePriceCalculateRespBO()
.setPrice(new TradePriceCalculateRespBO.Price())
.setPromotions(new ArrayList<>())
.setItems(asList(
new TradePriceCalculateRespBO.OrderItem().setSpuId(1L).setSkuId(10L).setCount(2).setSelected(true)
.setWeight(10d).setVolume(10d).setPrice(100),
new TradePriceCalculateRespBO.OrderItem().setSpuId(1L).setSkuId(20L).setCount(10).setSelected(true)
.setWeight(10d).setVolume(10d).setPrice(200),
new TradePriceCalculateRespBO.OrderItem().setSpuId(1L).setSkuId(30L).setCount(1).setSelected(false)
.setWeight(10d).setVolume(10d).setPrice(300)
));
// 保证价格被初始化上
TradePriceCalculatorHelper.recountPayPrice(resultBO.getItems());
TradePriceCalculatorHelper.recountAllPrice(resultBO);
// 准备收件地址数据
addressResp = randomPojo(AddressRespDTO.class, item -> item.setAreaId(10));
// 准备运费模板费用配置数据
chargeBO = randomPojo(DeliveryExpressTemplateChargeBO.class,
item -> item.setStartCount(10D).setStartPrice(1000).setExtraCount(10D).setExtraPrice(2000));
// 准备运费模板包邮配置数据 订单总件数 < 包邮件数时 12 < 20
freeBO = randomPojo(DeliveryExpressTemplateFreeBO.class,
item -> item.setFreeCount(20).setFreePrice(100));
// 准备 SP 运费模板 数据
spuTemplateRespBO = randomPojo(SpuDeliveryExpressTemplateRespBO.class,
item -> item.setChargeMode(PIECE.getType())
.setTemplateCharge(chargeBO).setTemplateFree(freeBO));
}
@Test
@DisplayName("按件计算运费不包邮的情况")
public void testCalculateByExpressTemplateCharge() {
// SKU 1 : 100 * 2 = 200
// SKU 2 ：200 * 10 = 2000
// 运费 首件 1000 + 续件 2000 = 3000
Map<Long, SpuDeliveryExpressTemplateRespBO> respMap = new HashMap<>();
respMap.put(1L, spuTemplateRespBO);
// mock 方法
when(addressApi.getAddress(eq(10L), eq(1L))).thenReturn(addressResp);
when(deliveryExpressTemplateService.getExpressTemplateMapBySpuIdsAndArea(eq(asSet(1L)), eq(10)))
.thenReturn(respMap);
calculator.calculate(reqBO, resultBO);
TradePriceCalculateRespBO.Price price = resultBO.getPrice();
assertThat(price)
.extracting("totalPrice","discountPrice","couponPrice","pointPrice","deliveryPrice","payPrice")
.containsExactly(2200, 0, 0, 0, 3000, 5200);
// 断言：SKU
assertThat(resultBO.getItems()).hasSize(3);
// SKU1
assertThat(resultBO.getItems().get(0))
.extracting("price", "count","discountPrice" ,"couponPrice", "pointPrice","deliveryPrice","payPrice")
.containsExactly(100, 2, 0, 0, 0, 1500, 1700);
// SKU2
assertThat(resultBO.getItems().get(1))
.extracting("price", "count","discountPrice" ,"couponPrice", "pointPrice","deliveryPrice","payPrice")
.containsExactly(200, 10, 0, 0, 0, 1500, 3500);
// SKU3 未选中
assertThat(resultBO.getItems().get(2))
.extracting("price", "count","discountPrice" ,"couponPrice", "pointPrice","deliveryPrice","payPrice")
.containsExactly(300, 1, 0, 0, 0, 0, 300);
}
@Test
@DisplayName("按件计算运费包邮的情况")
public void testCalculateByExpressTemplateFree() {
// SKU 1 : 100 * 2 = 200
// SKU 2 ：200 * 10 = 2000
// 运费 0
Map<Long, SpuDeliveryExpressTemplateRespBO> respMap = new HashMap<>();
respMap.put(1L, spuTemplateRespBO);
// 准备运费模板包邮配置数据 包邮 订单总件数 > 包邮件数时 12 > 10
freeBO = randomPojo(DeliveryExpressTemplateFreeBO.class,
item -> item.setFreeCount(10).setFreePrice(1000));
spuTemplateRespBO.setTemplateFree(freeBO);
// mock 方法
when(addressApi.getAddress(eq(10L), eq(1L))).thenReturn(addressResp);
when(deliveryExpressTemplateService.getExpressTemplateMapBySpuIdsAndArea(eq(asSet(1L)), eq(10)))
.thenReturn(respMap);
calculator.calculate(reqBO, resultBO);
TradePriceCalculateRespBO.Price price = resultBO.getPrice();
// 断言price
assertThat(price)
.extracting("totalPrice","discountPrice","couponPrice","pointPrice","deliveryPrice","payPrice")
.containsExactly(2200, 0, 0, 0, 0, 2200);
// 断言：SKU
assertThat(resultBO.getItems()).hasSize(3);
// SKU1
assertThat(resultBO.getItems().get(0))
.extracting("price", "count","discountPrice" ,"couponPrice", "pointPrice","deliveryPrice","payPrice")
.containsExactly(100, 2, 0, 0, 0, 0, 200);
// SKU2
assertThat(resultBO.getItems().get(1))
.extracting("price", "count","discountPrice" ,"couponPrice", "pointPrice","deliveryPrice","payPrice")
.containsExactly(200, 10, 0, 0, 0, 0, 2000);
// SKU3 未选中
assertThat(resultBO.getItems().get(2))
.extracting("price", "count","discountPrice" ,"couponPrice", "pointPrice","deliveryPrice","payPrice")
.containsExactly(300, 1, 0, 0, 0, 0, 300);
}
}