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price：完成满减送的价格计算~

pull/2/head
YunaiV 2022-10-30 13:20:07 +08:00
parent 4e9fe4bc54
commit 160d619d59
7 changed files with 493 additions and 36 deletions
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4
yudao-module-mall/yudao-module-market-api/src/main/java/cn/iocoder/yudao/module/market/api/price/dto/PriceCalculateRespDTO.java
View File

@ -103,6 +103,10 @@ public class PriceCalculateRespDTO {
@Data
public static class OrderItem {
/**
* SPU 编号
*/
private Long spuId;
/**
* SKU 编号
*/

7
yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/convert/price/PriceConvert.java
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@ -30,9 +30,10 @@ public interface PriceConvert {
skuList.forEach(sku -> {
Integer count = skuIdCountMap.get(sku.getId());
PriceCalculateRespDTO.OrderItem orderItem = new PriceCalculateRespDTO.OrderItem()
.setSkuId(sku.getId()).setCount(count).setOriginalUnitPrice(sku.getPrice())
.setOriginalPrice(sku.getPrice() * count).setDiscountPrice(0).setOrderPartPrice(0);
orderItem.setPayPrice(orderItem.getOriginalPrice()).setOrderDividePrice(orderItem.getOrderDividePrice());
.setSpuId(sku.getSpuId()).setSkuId(sku.getId()).setCount(count)
.setOriginalUnitPrice(sku.getPrice()).setOriginalPrice(sku.getPrice() * count)
.setDiscountPrice(0).setOrderPartPrice(0);
orderItem.setPayPrice(orderItem.getOriginalPrice()).setOrderDividePrice(orderItem.getOriginalPrice());
priceCalculate.getOrder().getItems().add(orderItem);
// 补充价格信息到 Order 中
order.setOriginalPrice(order.getOriginalPrice() + orderItem.getOriginalPrice()).setPayPrice(order.getOriginalPrice());

4
yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/dal/dataobject/reward/RewardActivityDO.java
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@ -92,7 +92,7 @@ public class RewardActivityDO extends BaseDO {
/**
* 优惠价格，单位：分
*/
private Integer promotionPrice;
private Integer discountPrice;
/**
* 是否包邮
*/
@ -100,7 +100,7 @@ public class RewardActivityDO extends BaseDO {
/**
* 赠送的积分
*/
private Integer integral;
private Integer point;
/**
* 赠送的优惠劵编号的数组
*/

270
yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/price/PriceServiceImpl.java
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@ -1,14 +1,19 @@
package cn.iocoder.yudao.module.market.service.price;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.Assert;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateReqDTO;
import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateRespDTO;
import cn.iocoder.yudao.module.market.convert.price.PriceConvert;
import cn.iocoder.yudao.module.market.dal.dataobject.discount.DiscountProductDO;
import cn.iocoder.yudao.module.market.dal.dataobject.reward.RewardActivityDO;
import cn.iocoder.yudao.module.market.enums.common.PromotionConditionTypeEnum;
import cn.iocoder.yudao.module.market.enums.common.PromotionLevelEnum;
import cn.iocoder.yudao.module.market.enums.common.PromotionTypeEnum;
import cn.iocoder.yudao.module.market.service.discount.DiscountService;
import cn.iocoder.yudao.module.market.service.reward.RewardService;
import cn.iocoder.yudao.module.product.api.sku.ProductSkuApi;
import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO;
import com.google.common.base.Suppliers;
@ -16,12 +21,15 @@ import org.springframework.stereotype.Service;
import org.springframework.validation.annotation.Validated;
import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.function.Supplier;
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.getSumValue;
import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SKU_NOT_EXISTS;
import static java.util.Collections.singletonList;
@ -32,6 +40,11 @@ import static java.util.Collections.singletonList;
* 参考文档：
* 1. <a href="https://help.youzan.com/displaylist/detail_4_4-1-60384">有赞文档：限时折扣、满减送、优惠券哪个优先计算？</a>
*
* TODO 芋艿：进一步完善
* 1. 限时折扣：指定金额、减免金额、折扣
* 2. 满减送：循环、折扣
* 3.
*
* @author 芋道源码
*/
@Service
@ -40,6 +53,8 @@ public class PriceServiceImpl implements PriceService {
@Resource
private DiscountService discountService;
@Resource
private RewardService rewardService;
@Resource
private ProductSkuApi productSkuApi;
@ -53,7 +68,8 @@ public class PriceServiceImpl implements PriceService {
// 计算商品级别的价格
calculatePriceForSkuLevel(calculateReqDTO.getUserId(), priceCalculate);
// 计算【满减送】促销 TODO 待实现
// 计算订单级别的价格
calculatePriceForOrderLevel(calculateReqDTO.getUserId(), priceCalculate);
// 计算【优惠劵】促销 TODO 待实现
return priceCalculate;
}
@ -75,10 +91,12 @@ public class PriceServiceImpl implements PriceService {
return skus;
}
// ========== 计算商品级别的价格 ==========
/**
* 计算商品级别的价格，例如说：
* 1. 会员折扣
* 2. 限时折扣
* 2. 限时折扣 {@link cn.iocoder.yudao.module.market.dal.dataobject.discount.DiscountActivityDO}
*
* 其中，会员折扣、限时折扣取最低价
*
@ -138,31 +156,6 @@ public class PriceServiceImpl implements PriceService {
modifyOrderItemPayPrice(orderItem, promotionPrice, priceCalculate);
}
private void addPromotion(PriceCalculateRespDTO priceCalculate, PriceCalculateRespDTO.OrderItem orderItem,
Long id, String name, Integer type, Integer level,
Integer newPayPrice, Boolean meet, String meetTip) {
// 创建营销明细 Item
PriceCalculateRespDTO.PromotionItem promotionItem = new PriceCalculateRespDTO.PromotionItem().setSkuId(orderItem.getSkuId())
.setOriginalPrice(orderItem.getPayPrice()).setDiscountPrice(orderItem.getPayPrice() - newPayPrice);
// 创建营销明细
PriceCalculateRespDTO.Promotion promotion = new PriceCalculateRespDTO.Promotion()
.setId(id).setName(name).setType(type).setLevel(level)
.setOriginalPrice(promotionItem.getOriginalPrice()).setDiscountPrice(promotionItem.getDiscountPrice())
.setItems(singletonList(promotionItem)).setMeet(meet).setMeetTip(meetTip);
priceCalculate.getPromotions().add(promotion);
}
private void modifyOrderItemPayPrice(PriceCalculateRespDTO.OrderItem orderItem, Integer newPayPrice,
PriceCalculateRespDTO priceCalculate) {
int diffPayPrice = orderItem.getPayPrice() - newPayPrice;
// 设置 OrderItem 价格相关字段
orderItem.setDiscountPrice(orderItem.getDiscountPrice() + diffPayPrice);
orderItem.setPayPrice(newPayPrice);
orderItem.setOrderDividePrice(orderItem.getPayPrice() - orderItem.getOrderPartPrice());
// 设置 Order 相关相关字段
priceCalculate.getOrder().setPayPrice(priceCalculate.getOrder().getPayPrice() - diffPayPrice);
}
// TODO 芋艿：提前实现
private Supplier<Double> getMemberDiscountSupplier(Long userId) {
return Suppliers.memoize(() -> {
@ -176,6 +169,229 @@ public class PriceServiceImpl implements PriceService {
});
}
// ========== 计算商品级别的价格 ==========
/**
* 计算订单级别的价格，例如说：
* 1. 满减送 {@link cn.iocoder.yudao.module.market.dal.dataobject.reward.RewardActivityDO}
*
* @param userId 用户编号
* @param priceCalculate 价格计算的结果
*/
@SuppressWarnings("unused")
private void calculatePriceForOrderLevel(Long userId, PriceCalculateRespDTO priceCalculate) {
// 获取 SKU 级别的所有优惠信息
Set<Long> spuIds = convertSet(priceCalculate.getOrder().getItems(), PriceCalculateRespDTO.OrderItem::getSpuId);
Map<RewardActivityDO, Set<Long>> rewardActivities = rewardService.getMatchRewardActivities(spuIds);
// 处理满减送活动
if (CollUtil.isNotEmpty(rewardActivities)) {
rewardActivities.forEach((rewardActivity, activitySpuIds) -> {
List<PriceCalculateRespDTO.OrderItem> orderItems = CollectionUtils.filterList(priceCalculate.getOrder().getItems(),
orderItem -> CollUtil.contains(activitySpuIds, orderItem.getSpuId()));
calculatePriceByRewardActivity(priceCalculate, orderItems, rewardActivity);
});
}
}
private void calculatePriceByRewardActivity(PriceCalculateRespDTO priceCalculate, List<PriceCalculateRespDTO.OrderItem> orderItems,
RewardActivityDO rewardActivity) {
// 获得最大匹配的满减送活动的规格
RewardActivityDO.Rule rule = getLastMatchRewardActivityRule(rewardActivity, orderItems);
if (rule == null) {
// 获取不到的情况下，记录不满足的优惠明细
addNotMeetPromotion(priceCalculate, orderItems, rewardActivity.getId(), rewardActivity.getName(),
PromotionTypeEnum.REWARD_ACTIVITY.getType(), PromotionLevelEnum.ORDER.getLevel(),
getRewardActivityNotMeetTip(rewardActivity));
return;
}
// 分摊金额
// TODO 芋艿：limit 不能超过最大价格
List<Integer> discountPartPrices = dividePrice(orderItems, rule.getDiscountPrice());
// 记录优惠明细
addPromotion(priceCalculate, orderItems, rewardActivity.getId(), rewardActivity.getName(),
PromotionTypeEnum.REWARD_ACTIVITY.getType(), PromotionLevelEnum.ORDER.getLevel(), discountPartPrices,
true, StrUtil.format("满减送：省 {} 元", formatPrice(rule.getDiscountPrice())));
// 修改 SKU 的分摊
for (int i = 0; i < orderItems.size(); i++) {
modifyOrderItemOrderPartPriceFromDiscountPrice(orderItems.get(i), discountPartPrices.get(i), priceCalculate);
}
}
/**
* 获得最大匹配的满减送活动的规格
*
* @param rewardActivity 满减送活动
* @param orderItems 商品项
* @return 匹配的活动规格
*/
private RewardActivityDO.Rule getLastMatchRewardActivityRule(RewardActivityDO rewardActivity,
List<PriceCalculateRespDTO.OrderItem> orderItems) {
Integer count = CollectionUtils.getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getCount, Integer::sum);
// price 的计算逻辑，使用 orderDividePrice 的原因，主要考虑分摊后，这个才是该 SKU 当前真实的支付总价
Integer price = CollectionUtils.getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum);
assert count != null && price != null;
for (int i = rewardActivity.getRules().size() - 1; i >= 0; i--) {
RewardActivityDO.Rule rule = rewardActivity.getRules().get(i);
if (PromotionConditionTypeEnum.PRICE.getType().equals(rewardActivity.getConditionType())
&& price >= rule.getLimit()) {
return rule;
}
if (PromotionConditionTypeEnum.COUNT.getType().equals(rewardActivity.getConditionType())
&& count >= rule.getLimit()) {
return rule;
}
}
return null;
}
/**
* 获得满减送活动部匹配时的提示
*
* @param rewardActivity 满减送活动
* @return 提示
*/
private String getRewardActivityNotMeetTip(RewardActivityDO rewardActivity) {
return "TODO"; // TODO 芋艿：后面再想想
}
// ========== 其它相对通用的方法 ==========
/**
* 添加单个 OrderItem 的营销明细
*
* @param priceCalculate 价格计算结果
* @param orderItem 单个订单商品 SKU
* @param id 营销编号
* @param name 营销名字
* @param type 营销类型
* @param level 营销级别
* @param newPayPrice 新的单实付金额（总）
* @param meet 是否满足优惠条件
* @param meetTip 满足条件的提示
*/
private void addPromotion(PriceCalculateRespDTO priceCalculate, PriceCalculateRespDTO.OrderItem orderItem,
Long id, String name, Integer type, Integer level,
Integer newPayPrice, Boolean meet, String meetTip) {
// 创建营销明细 Item
// TODO 芋艿：orderItem.getPayPrice() 要不要改成 orderDividePrice；同时，newPayPrice 要不要改成直接传递 discountPrice
PriceCalculateRespDTO.PromotionItem promotionItem = new PriceCalculateRespDTO.PromotionItem().setSkuId(orderItem.getSkuId())
.setOriginalPrice(orderItem.getPayPrice()).setDiscountPrice(orderItem.getPayPrice() - newPayPrice);
// 创建营销明细
PriceCalculateRespDTO.Promotion promotion = new PriceCalculateRespDTO.Promotion()
.setId(id).setName(name).setType(type).setLevel(level)
.setOriginalPrice(promotionItem.getOriginalPrice()).setDiscountPrice(promotionItem.getDiscountPrice())
.setItems(singletonList(promotionItem)).setMeet(meet).setMeetTip(meetTip);
priceCalculate.getPromotions().add(promotion);
}
/**
* 添加多个 OrderItem 的营销明细
*
* @param priceCalculate 价格计算结果
* @param orderItems 多个订单商品 SKU
* @param id 营销编号
* @param name 营销名字
* @param type 营销类型
* @param level 营销级别
* @param discountPrices 多个订单商品 SKU 的优惠价格（总），和 orderItems 一一对应
* @param meet 是否满足优惠条件
* @param meetTip 满足条件的提示
*/
private void addPromotion(PriceCalculateRespDTO priceCalculate, List<PriceCalculateRespDTO.OrderItem> orderItems,
Long id, String name, Integer type, Integer level,
List<Integer> discountPrices, Boolean meet, String meetTip) {
// 创建营销明细 Item
List<PriceCalculateRespDTO.PromotionItem> promotionItems = new ArrayList<>(discountPrices.size());
for (int i = 0; i < orderItems.size(); i++) {
PriceCalculateRespDTO.OrderItem orderItem = orderItems.get(i);
promotionItems.add(new PriceCalculateRespDTO.PromotionItem().setSkuId(orderItem.getSkuId())
.setOriginalPrice(orderItem.getPayPrice()).setDiscountPrice(discountPrices.get(i)));
}
// 创建营销明细
PriceCalculateRespDTO.Promotion promotion = new PriceCalculateRespDTO.Promotion()
.setId(id).setName(name).setType(type).setLevel(level)
.setOriginalPrice(getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum))
.setDiscountPrice(getSumValue(discountPrices, value -> value, Integer::sum))
.setItems(promotionItems).setMeet(meet).setMeetTip(meetTip);
priceCalculate.getPromotions().add(promotion);
}
private void addNotMeetPromotion(PriceCalculateRespDTO priceCalculate, List<PriceCalculateRespDTO.OrderItem> orderItems,
Long id, String name, Integer type, Integer level, String meetTip) {
// 创建营销明细 Item
List<PriceCalculateRespDTO.PromotionItem> promotionItems = CollectionUtils.convertList(orderItems,
orderItem -> new PriceCalculateRespDTO.PromotionItem().setSkuId(orderItem.getSkuId())
.setOriginalPrice(orderItem.getOrderDividePrice()).setDiscountPrice(0));
// 创建营销明细
Integer originalPrice = CollectionUtils.getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum);
PriceCalculateRespDTO.Promotion promotion = new PriceCalculateRespDTO.Promotion()
.setId(id).setName(name).setType(type).setLevel(level)
.setOriginalPrice(originalPrice).setDiscountPrice(0)
.setItems(promotionItems).setMeet(false).setMeetTip(meetTip);
priceCalculate.getPromotions().add(promotion);
}
/**
* 修改 OrderItem 的 payPrice 价格，同时会修改 Order 的 payPrice 价格
*
* @param orderItem 订单商品 SKU
* @param newPayPrice 新的 payPrice 价格
* @param priceCalculate 价格计算结果
*/
private void modifyOrderItemPayPrice(PriceCalculateRespDTO.OrderItem orderItem, Integer newPayPrice,
PriceCalculateRespDTO priceCalculate) {
int diffPayPrice = orderItem.getPayPrice() - newPayPrice;
// 设置 OrderItem 价格相关字段
orderItem.setDiscountPrice(orderItem.getDiscountPrice() + diffPayPrice);
orderItem.setPayPrice(newPayPrice);
orderItem.setOrderDividePrice(orderItem.getPayPrice() - orderItem.getOrderPartPrice());
// 设置 Order 相关相关字段
priceCalculate.getOrder().setPayPrice(priceCalculate.getOrder().getPayPrice() - diffPayPrice);
}
/**
* 修改 OrderItem 的 orderPartPrice 价格，同时会修改 Order 的 discountPrice 价格
*
* 本质：分摊 Order 的 discountPrice 价格，到对应的 OrderItem 的 orderPartPrice 价格中
*
* @param orderItem 订单商品 SKU
* @param addOrderPartPrice 新增的
* @param priceCalculate 价格计算结果
*/
private void modifyOrderItemOrderPartPriceFromDiscountPrice(PriceCalculateRespDTO.OrderItem orderItem, Integer addOrderPartPrice,
PriceCalculateRespDTO priceCalculate) {
// 设置 OrderItem 价格相关字段
orderItem.setOrderPartPrice(orderItem.getOrderPartPrice() + addOrderPartPrice);
orderItem.setOrderDividePrice(orderItem.getPayPrice() - orderItem.getOrderPartPrice());
// 设置 Order 相关相关字段
PriceCalculateRespDTO.Order order = priceCalculate.getOrder();
order.setDiscountPrice(order.getDiscountPrice() + addOrderPartPrice);
order.setPayPrice(order.getPayPrice() - addOrderPartPrice);
}
private List<Integer> dividePrice(List<PriceCalculateRespDTO.OrderItem> orderItems, Integer price) {
List<Integer> prices = new ArrayList<>(orderItems.size());
Integer total = getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum);
assert total != null;
int remainPrice = price;
// 遍历每一个，进行分摊
for (int i = 0; i < orderItems.size(); i++) {
PriceCalculateRespDTO.OrderItem orderItem = orderItems.get(i);
int partPrice;
if (i < orderItems.size() - 1) { // 减一的原因，是因为拆分时，如果按照比例，可能会出现.所以最后一个，使用反减
partPrice = (int) (price * (1.0D * orderItem.getOrderDividePrice() / total));
remainPrice -= partPrice;
} else {
partPrice = remainPrice;
}
Assert.isTrue(partPrice > 0, "分摊金额必须大于 0");
prices.add(partPrice);
}
return prices;
}
private String formatPrice(Integer price) {
return String.format("%.2f", price / 100d);
}

23
yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/reward/RewardService.java Normal file
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@ -0,0 +1,23 @@
package cn.iocoder.yudao.module.market.service.reward;
import cn.iocoder.yudao.module.market.dal.dataobject.reward.RewardActivityDO;
import java.util.Map;
import java.util.Set;
/**
* 满减送 Service 接口
*
* @author 芋道源码
*/
public interface RewardService {
/**
* 基于指定的 SPU 编号数组，获得它们匹配的满减送活动
*
* @param spuIds SPU 编号数组
* @return 满减送活动，与对应的 SPU 编号的映射。即，value 就是 SPU 编号的集合
*/
Map<RewardActivityDO, Set<Long>> getMatchRewardActivities(Set<Long> spuIds);
}

26
yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/reward/RewardServiceImpl.java Normal file
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@ -0,0 +1,26 @@
package cn.iocoder.yudao.module.market.service.reward;
import cn.iocoder.yudao.module.market.dal.dataobject.reward.RewardActivityDO;
import org.springframework.stereotype.Service;
import org.springframework.validation.annotation.Validated;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
/**
* 满减送 Service 实现类
*
* @author 芋道源码
*/
@Service
@Validated
public class RewardServiceImpl implements RewardService {
// TODO 芋艿：待实现
@Override
public Map<RewardActivityDO, Set<Long>> getMatchRewardActivities(Set<Long> spuIds) {
return Collections.emptyMap();
}
}

195
yudao-module-mall/yudao-module-market-biz/src/test/java/cn/iocoder/yudao/module/market/service/price/PriceServiceTest.java
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@ -1,20 +1,27 @@
package cn.iocoder.yudao.module.market.service.price;
import cn.hutool.core.map.MapUtil;
import cn.iocoder.yudao.framework.common.util.collection.SetUtils;
import cn.iocoder.yudao.framework.test.core.ut.BaseMockitoUnitTest;
import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateReqDTO;
import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateRespDTO;
import cn.iocoder.yudao.module.market.dal.dataobject.discount.DiscountProductDO;
import cn.iocoder.yudao.module.market.dal.dataobject.reward.RewardActivityDO;
import cn.iocoder.yudao.module.market.enums.common.PromotionConditionTypeEnum;
import cn.iocoder.yudao.module.market.enums.common.PromotionLevelEnum;
import cn.iocoder.yudao.module.market.enums.common.PromotionTypeEnum;
import cn.iocoder.yudao.module.market.service.discount.DiscountService;
import cn.iocoder.yudao.module.market.service.reward.RewardService;
import cn.iocoder.yudao.module.product.api.sku.ProductSkuApi;
import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO;
import org.junit.jupiter.api.Test;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import static cn.iocoder.yudao.framework.common.util.collection.SetUtils.asSet;
import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomLongId;
import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomPojo;
import static java.util.Arrays.asList;
@ -36,6 +43,8 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
@Mock
private DiscountService discountService;
@Mock
private RewardService rewardService;
@Mock
private ProductSkuApi productSkuApi;
@Test
@ -46,7 +55,7 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
.setItems(singletonList(new PriceCalculateReqDTO.Item().setSkuId(10L).setCount(2)));
// mock 方法(商品 SKU 信息)
ProductSkuRespDTO productSku = randomPojo(ProductSkuRespDTO.class, o -> o.setId(10L).setPrice(100));
when(productSkuApi.getSkuList(eq(SetUtils.asSet(10L)))).thenReturn(singletonList(productSku));
when(productSkuApi.getSkuList(eq(asSet(10L)))).thenReturn(singletonList(productSku));
// 调用
PriceCalculateRespDTO priceCalculate = priceService.calculatePrice(calculateReqDTO);
@ -96,13 +105,13 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
// mock 方法(商品 SKU 信息)
ProductSkuRespDTO productSku01 = randomPojo(ProductSkuRespDTO.class, o -> o.setId(10L).setPrice(100));
ProductSkuRespDTO productSku02 = randomPojo(ProductSkuRespDTO.class, o -> o.setId(20L).setPrice(50));
when(productSkuApi.getSkuList(eq(SetUtils.asSet(10L, 20L)))).thenReturn(asList(productSku01, productSku02));
when(productSkuApi.getSkuList(eq(asSet(10L, 20L)))).thenReturn(asList(productSku01, productSku02));
// mock 方法（限时折扣 DiscountActivity 信息）
DiscountProductDO discountProduct01 = randomPojo(DiscountProductDO.class, o -> o.setActivityId(1000L).setActivityName("活动 1000 号")
.setSkuId(10L).setPromotionPrice(80));
DiscountProductDO discountProduct02 = randomPojo(DiscountProductDO.class, o -> o.setActivityId(2000L).setActivityName("活动 2000 号")
.setSkuId(20L).setPromotionPrice(40));
when(discountService.getMatchDiscountProducts(eq(SetUtils.asSet(10L, 20L)))).thenReturn(
when(discountService.getMatchDiscountProducts(eq(asSet(10L, 20L)))).thenReturn(
MapUtil.builder(10L, discountProduct01).put(20L, discountProduct02).map());
// 调用
@ -167,4 +176,182 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
assertEquals(promotionItem02.getDiscountPrice(), 30);
}
/**
* 测试满减送活动，匹配的情况
*/
@Test
public void testCalculatePrice_rewardActivity() {
// 准备参数
PriceCalculateReqDTO calculateReqDTO = new PriceCalculateReqDTO().setUserId(randomLongId())
.setItems(asList(new PriceCalculateReqDTO.Item().setSkuId(10L).setCount(2),
new PriceCalculateReqDTO.Item().setSkuId(20L).setCount(3),
new PriceCalculateReqDTO.Item().setSkuId(30L).setCount(4)));
// mock 方法(商品 SKU 信息)
ProductSkuRespDTO productSku01 = randomPojo(ProductSkuRespDTO.class, o -> o.setId(10L).setPrice(100).setSpuId(1L));
ProductSkuRespDTO productSku02 = randomPojo(ProductSkuRespDTO.class, o -> o.setId(20L).setPrice(50).setSpuId(2L));
ProductSkuRespDTO productSku03 = randomPojo(ProductSkuRespDTO.class, o -> o.setId(30L).setPrice(30).setSpuId(3L));
when(productSkuApi.getSkuList(eq(asSet(10L, 20L, 30L)))).thenReturn(asList(productSku01, productSku02, productSku03));
// mock 方法（限时折扣 DiscountActivity 信息）
RewardActivityDO rewardActivity01 = randomPojo(RewardActivityDO.class, o -> o.setId(1000L).setName("活动 1000 号")
.setSpuIds(asList(10L, 20L)).setConditionType(PromotionConditionTypeEnum.PRICE.getType())
.setRules(singletonList(new RewardActivityDO.Rule().setLimit(200).setDiscountPrice(70))));
RewardActivityDO rewardActivity02 = randomPojo(RewardActivityDO.class, o -> o.setId(2000L).setName("活动 2000 号")
.setSpuIds(singletonList(30L)).setConditionType(PromotionConditionTypeEnum.COUNT.getType())
.setRules(asList(new RewardActivityDO.Rule().setLimit(1).setDiscountPrice(10),
new RewardActivityDO.Rule().setLimit(2).setDiscountPrice(60), // 最大可满足，因为是 4 个
new RewardActivityDO.Rule().setLimit(10).setDiscountPrice(100))));
Map<RewardActivityDO, Set<Long>> matchRewardActivities = new LinkedHashMap<>();
matchRewardActivities.put(rewardActivity01, asSet(1L, 2L));
matchRewardActivities.put(rewardActivity02, asSet(3L));
when(rewardService.getMatchRewardActivities(eq(asSet(1L, 2L, 3L)))).thenReturn(matchRewardActivities);
// 调用
PriceCalculateRespDTO priceCalculate = priceService.calculatePrice(calculateReqDTO);
// 断言 Order 部分
PriceCalculateRespDTO.Order order = priceCalculate.getOrder();
assertEquals(order.getOriginalPrice(), 470);
assertEquals(order.getDiscountPrice(), 130);
assertEquals(order.getPointPrice(), 0);
assertEquals(order.getDeliveryPrice(), 0);
assertEquals(order.getPayPrice(), 340);
assertNull(order.getCouponId());
// 断言 OrderItem 部分
assertEquals(order.getItems().size(), 3);
PriceCalculateRespDTO.OrderItem orderItem01 = order.getItems().get(0);
assertEquals(orderItem01.getSkuId(), 10L);
assertEquals(orderItem01.getCount(), 2);
assertEquals(orderItem01.getOriginalPrice(), 200);
assertEquals(orderItem01.getOriginalUnitPrice(), 100);
assertEquals(orderItem01.getDiscountPrice(), 0);
assertEquals(orderItem01.getPayPrice(), 200);
assertEquals(orderItem01.getOrderPartPrice(), 40);
assertEquals(orderItem01.getOrderDividePrice(), 160);
PriceCalculateRespDTO.OrderItem orderItem02 = order.getItems().get(1);
assertEquals(orderItem02.getSkuId(), 20L);
assertEquals(orderItem02.getCount(), 3);
assertEquals(orderItem02.getOriginalPrice(), 150);
assertEquals(orderItem02.getOriginalUnitPrice(), 50);
assertEquals(orderItem02.getDiscountPrice(), 0);
assertEquals(orderItem02.getPayPrice(), 150);
assertEquals(orderItem02.getOrderPartPrice(), 30);
assertEquals(orderItem02.getOrderDividePrice(), 120);
PriceCalculateRespDTO.OrderItem orderItem03 = order.getItems().get(2);
assertEquals(orderItem03.getSkuId(), 30L);
assertEquals(orderItem03.getCount(), 4);
assertEquals(orderItem03.getOriginalPrice(), 120);
assertEquals(orderItem03.getOriginalUnitPrice(), 30);
assertEquals(orderItem03.getDiscountPrice(), 0);
assertEquals(orderItem03.getPayPrice(), 120);
assertEquals(orderItem03.getOrderPartPrice(), 60);
assertEquals(orderItem03.getOrderDividePrice(), 60);
// 断言 Promotion 部分（第一个）
assertEquals(priceCalculate.getPromotions().size(), 2);
PriceCalculateRespDTO.Promotion promotion01 = priceCalculate.getPromotions().get(0);
assertEquals(promotion01.getId(), 1000L);
assertEquals(promotion01.getName(), "活动 1000 号");
assertEquals(promotion01.getType(), PromotionTypeEnum.REWARD_ACTIVITY.getType());
assertEquals(promotion01.getLevel(), PromotionLevelEnum.ORDER.getLevel());
assertEquals(promotion01.getOriginalPrice(), 350);
assertEquals(promotion01.getDiscountPrice(), 70);
assertTrue(promotion01.getMeet());
assertEquals(promotion01.getMeetTip(), "满减送：省 0.70 元");
assertEquals(promotion01.getItems().size(), 2);
PriceCalculateRespDTO.PromotionItem promotionItem011 = promotion01.getItems().get(0);
assertEquals(promotionItem011.getSkuId(), 10L);
assertEquals(promotionItem011.getOriginalPrice(), 200);
assertEquals(promotionItem011.getDiscountPrice(), 40);
PriceCalculateRespDTO.PromotionItem promotionItem012 = promotion01.getItems().get(1);
assertEquals(promotionItem012.getSkuId(), 20L);
assertEquals(promotionItem012.getOriginalPrice(), 150);
assertEquals(promotionItem012.getDiscountPrice(), 30);
// 断言 Promotion 部分（第二个）
PriceCalculateRespDTO.Promotion promotion02 = priceCalculate.getPromotions().get(1);
assertEquals(promotion02.getId(), 2000L);
assertEquals(promotion02.getName(), "活动 2000 号");
assertEquals(promotion02.getType(), PromotionTypeEnum.REWARD_ACTIVITY.getType());
assertEquals(promotion02.getLevel(), PromotionLevelEnum.ORDER.getLevel());
assertEquals(promotion02.getOriginalPrice(), 120);
assertEquals(promotion02.getDiscountPrice(), 60);
assertTrue(promotion02.getMeet());
assertEquals(promotion02.getMeetTip(), "满减送：省 0.60 元");
PriceCalculateRespDTO.PromotionItem promotionItem02 = promotion02.getItems().get(0);
assertEquals(promotion02.getItems().size(), 1);
assertEquals(promotionItem02.getSkuId(), 30L);
assertEquals(promotionItem02.getOriginalPrice(), 120);
assertEquals(promotionItem02.getDiscountPrice(), 60);
}
/**
* 测试满减送活动，不匹配的情况
*/
@Test
public void testCalculatePrice_rewardActivityNotMeet() {
// 准备参数
PriceCalculateReqDTO calculateReqDTO = new PriceCalculateReqDTO().setUserId(randomLongId())
.setItems(asList(new PriceCalculateReqDTO.Item().setSkuId(10L).setCount(2),
new PriceCalculateReqDTO.Item().setSkuId(20L).setCount(3)));
// mock 方法(商品 SKU 信息)
ProductSkuRespDTO productSku01 = randomPojo(ProductSkuRespDTO.class, o -> o.setId(10L).setPrice(100).setSpuId(1L));
ProductSkuRespDTO productSku02 = randomPojo(ProductSkuRespDTO.class, o -> o.setId(20L).setPrice(50).setSpuId(2L));
when(productSkuApi.getSkuList(eq(asSet(10L, 20L)))).thenReturn(asList(productSku01, productSku02));
// mock 方法（限时折扣 DiscountActivity 信息）
RewardActivityDO rewardActivity01 = randomPojo(RewardActivityDO.class, o -> o.setId(1000L).setName("活动 1000 号")
.setSpuIds(asList(10L, 20L)).setConditionType(PromotionConditionTypeEnum.PRICE.getType())
.setRules(singletonList(new RewardActivityDO.Rule().setLimit(351).setDiscountPrice(70))));
Map<RewardActivityDO, Set<Long>> matchRewardActivities = new LinkedHashMap<>();
matchRewardActivities.put(rewardActivity01, asSet(1L, 2L));
when(rewardService.getMatchRewardActivities(eq(asSet(1L, 2L)))).thenReturn(matchRewardActivities);
// 调用
PriceCalculateRespDTO priceCalculate = priceService.calculatePrice(calculateReqDTO);
// 断言 Order 部分
PriceCalculateRespDTO.Order order = priceCalculate.getOrder();
assertEquals(order.getOriginalPrice(), 350);
assertEquals(order.getDiscountPrice(), 0);
assertEquals(order.getPointPrice(), 0);
assertEquals(order.getDeliveryPrice(), 0);
assertEquals(order.getPayPrice(), 350);
assertNull(order.getCouponId());
// 断言 OrderItem 部分
assertEquals(order.getItems().size(), 2);
PriceCalculateRespDTO.OrderItem orderItem01 = order.getItems().get(0);
assertEquals(orderItem01.getSkuId(), 10L);
assertEquals(orderItem01.getCount(), 2);
assertEquals(orderItem01.getOriginalPrice(), 200);
assertEquals(orderItem01.getOriginalUnitPrice(), 100);
assertEquals(orderItem01.getDiscountPrice(), 0);
assertEquals(orderItem01.getPayPrice(), 200);
assertEquals(orderItem01.getOrderPartPrice(), 0);
assertEquals(orderItem01.getOrderDividePrice(), 200);
PriceCalculateRespDTO.OrderItem orderItem02 = order.getItems().get(1);
assertEquals(orderItem02.getSkuId(), 20L);
assertEquals(orderItem02.getCount(), 3);
assertEquals(orderItem02.getOriginalPrice(), 150);
assertEquals(orderItem02.getOriginalUnitPrice(), 50);
assertEquals(orderItem02.getDiscountPrice(), 0);
assertEquals(orderItem02.getPayPrice(), 150);
assertEquals(orderItem02.getOrderPartPrice(), 0);
assertEquals(orderItem02.getOrderDividePrice(), 150);
// 断言 Promotion 部分
assertEquals(priceCalculate.getPromotions().size(), 1);
PriceCalculateRespDTO.Promotion promotion01 = priceCalculate.getPromotions().get(0);
assertEquals(promotion01.getId(), 1000L);
assertEquals(promotion01.getName(), "活动 1000 号");
assertEquals(promotion01.getType(), PromotionTypeEnum.REWARD_ACTIVITY.getType());
assertEquals(promotion01.getLevel(), PromotionLevelEnum.ORDER.getLevel());
assertEquals(promotion01.getOriginalPrice(), 350);
assertEquals(promotion01.getDiscountPrice(), 0);
assertFalse(promotion01.getMeet());
assertEquals(promotion01.getMeetTip(), "TODO"); // TODO 芋艿：后面再想想
assertEquals(promotion01.getItems().size(), 2);
PriceCalculateRespDTO.PromotionItem promotionItem011 = promotion01.getItems().get(0);
assertEquals(promotionItem011.getSkuId(), 10L);
assertEquals(promotionItem011.getOriginalPrice(), 200);
assertEquals(promotionItem011.getDiscountPrice(), 0);
PriceCalculateRespDTO.PromotionItem promotionItem012 = promotion01.getItems().get(1);
assertEquals(promotionItem012.getSkuId(), 20L);
assertEquals(promotionItem012.getOriginalPrice(), 150);
assertEquals(promotionItem012.getDiscountPrice(), 0);
}
}