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【代码优化】商城：价格计算相关逻辑

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This commit is contained in:
YunaiV
2024-09-15 15:38:38 +08:00
parent 2876c7ce16
commit fee7267799
42 changed files with 274 additions and 849 deletions
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4
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/app/order/AppTradeOrderController.java
View File

@@ -44,11 +44,9 @@ import org.springframework.web.bind.annotation.*;
import java.time.LocalDateTime;
import java.util.*;
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.DISCOUNT_ACTIVITY_TYPE_NOT_EXISTS;
@Tag(name = "用户 App - 交易订单")
@RestController
@@ -314,7 +312,7 @@ public class AppTradeOrderController {
Integer newPrice = price * discountProductRespDTO.getDiscountPercent() / 100;
sku.setPrice(price - newPrice);
}else{
throw exception(DISCOUNT_ACTIVITY_TYPE_NOT_EXISTS);
throw new IllegalArgumentException("限时折扣活动类型不存在");
}
return sku;
}

5
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/aftersale/AfterSaleConvert.java
View File

@@ -43,9 +43,10 @@ public interface AfterSaleConvert {
@Mapping(source = "afterSale.orderId", target = "merchantOrderId"),
@Mapping(source = "afterSale.id", target = "merchantRefundId"),
@Mapping(source = "afterSale.applyReason", target = "reason"),
@Mapping(source = "afterSale.refundPrice", target = "price")
@Mapping(source = "afterSale.refundPrice", target = "price"),
@Mapping(source = "orderProperties.payAppKey", target = "appKey")
})
PayRefundCreateReqDTO convert(String userIp, AfterSaleDO afterSale);
PayRefundCreateReqDTO convert(String userIp, AfterSaleDO afterSale, TradeOrderProperties orderProperties);
MemberUserRespVO convert(MemberUserRespDTO bean);

5
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/aftersale/AfterSaleServiceImpl.java
View File

@@ -385,9 +385,8 @@ public class AfterSaleServiceImpl implements AfterSaleService {
@Override
public void afterCommit() {
// 创建退款单
PayRefundCreateReqDTO createReqDTO = AfterSaleConvert.INSTANCE.convert(userIp, afterSale)
.setReason(StrUtil.format("退款【{}】", afterSale.getSpuName()));
createReqDTO.setAppKey(tradeOrderProperties.getPayAppKey());
PayRefundCreateReqDTO createReqDTO = AfterSaleConvert.INSTANCE.convert(userIp, afterSale, tradeOrderProperties)
.setReason(StrUtil.format("退款【{}】", afterSale.getSpuName()));;
Long payRefundId = payRefundApi.createRefund(createReqDTO);
// 更新售后单的退款单号
tradeAfterSaleMapper.updateById(new AfterSaleDO().setId(afterSale.getId()).setPayRefundId(payRefundId));

3
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/bo/TradePriceCalculateRespBO.java
View File

@@ -73,11 +73,10 @@ public class TradePriceCalculateRespBO {
*/
private Long bargainActivityId;
/**
* 是否包邮
*/
private Boolean freeDelivery = false;
private Boolean freeDelivery;
/**
* 赠送的优惠劵

10
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradeDeliveryPriceCalculator.java
View File

@@ -121,13 +121,11 @@ public class TradeDeliveryPriceCalculator implements TradePriceCalculator {
* @return 是否包邮
*/
private boolean isGlobalExpressFree(TradePriceCalculateRespBO result) {
TradeConfigDO config = tradeConfigService.getTradeConfig();
return result.getFreeDelivery() ||
(config != null
&& Boolean.TRUE.equals(config.getDeliveryExpressFreeEnabled()) // 开启包邮
&& result.getPrice().getPayPrice() >= config.getDeliveryExpressFreePrice()
); // 满足包邮的价格
return config == null
|| Boolean.TRUE.equals(config.getDeliveryExpressFreeEnabled()) // 开启包邮
|| result.getFreeDelivery() //满减包邮
|| result.getPrice().getPayPrice() >= config.getDeliveryExpressFreePrice(); // 满足包邮的价格
}
private void calculateDeliveryPrice(List<OrderItem> selectedSkus,

175
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradeDiscountActivityPriceCalculator.java
View File

@@ -1,8 +1,8 @@
package cn.iocoder.yudao.module.trade.service.price.calculator;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.util.number.MoneyUtils;
import cn.iocoder.yudao.module.member.api.level.MemberLevelApi;
import cn.iocoder.yudao.module.member.api.level.dto.MemberLevelRespDTO;
import cn.iocoder.yudao.module.member.api.user.MemberUserApi;
@@ -14,12 +14,10 @@ import cn.iocoder.yudao.module.promotion.enums.common.PromotionTypeEnum;
import cn.iocoder.yudao.module.trade.enums.order.TradeOrderTypeEnum;
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO;
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
import jakarta.annotation.Resource;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import jakarta.annotation.Resource;
import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
@@ -30,6 +28,8 @@ import static cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceC
/**
* 限时折扣的 {@link TradePriceCalculator} 实现类
*
* 由于“会员折扣”和“限时折扣”是冲突，需要选择优惠金额多的，所以也放在这里计算
*
* @author 芋道源码
*/
@Component
@@ -50,132 +50,89 @@ public class TradeDiscountActivityPriceCalculator implements TradePriceCalculato
return;
}
boolean discount;
boolean vip;
//----------------------------------限时折扣计算-----------------------------------------
// 获得 SKU 对应的限时折扣活动
// 1.1 获得 SKU 对应的限时折扣活动
List<DiscountProductRespDTO> discountProducts = discountActivityApi.getMatchDiscountProductList(
convertSet(result.getItems(), TradePriceCalculateRespBO.OrderItem::getSkuId));
if (CollUtil.isEmpty(discountProducts)) {
discount = false;
}else {
discount = true;
}
Map<Long, DiscountProductRespDTO> discountProductMap = convertMap(discountProducts, DiscountProductRespDTO::getSkuId);
//----------------------------------会员计算-----------------------------------------
MemberLevelRespDTO level;
// 获得用户的会员等级
// 1.2 获得会员等级
MemberUserRespDTO user = memberUserApi.getUser(param.getUserId());
if (user.getLevelId() != null && user.getLevelId() > 0) {
level = memberLevelApi.getMemberLevel(user.getLevelId());
if (level != null && level.getDiscountPercent() != null) {
vip = true;
}else {
vip = false;
}
}else {
level = null;
vip = false;
}
MemberLevelRespDTO level = user != null && user.getLevelId() > 0 ? memberLevelApi.getMemberLevel(user.getLevelId()) : null;
// 2. 计算每个 SKU 的优惠金额
result.getItems().forEach(orderItem -> {
//----------------------------------限时折扣计算-----------------------------------------
DiscountProductRespDTO discountProduct = null;
Integer newDiscountPrice = 0;
if (discount){
// 2.1 计算限时折扣优惠信息
discountProduct = discountProductMap.get(orderItem.getSkuId());
if (discountProduct != null) {
// 2.2 计算优惠金额
Integer newPayPrice = calculatePayPrice(discountProduct, orderItem);
newDiscountPrice = orderItem.getPayPrice() - newPayPrice;
}
if (!orderItem.getSelected()) {
return;
}
// 2.1 计算限时折扣的优惠金额
DiscountProductRespDTO discountProduct = discountProductMap.get(orderItem.getSkuId());
Integer discountPrice = calculateActivityPrice(discountProduct, orderItem);
// 2.2 计算 VIP 优惠金额
Integer vipPrice = calculateVipPrice(level, orderItem);
if (discountPrice <= 0 && vipPrice <= 0) {
return;
}
//----------------------------------会员计算-----------------------------------------
Integer vipPrice = 0;
if (vip){
// 2.3 计算会员优惠金额
vipPrice = calculateVipPrice(orderItem.getPayPrice(), level.getDiscountPercent());
}
// 2.4 记录优惠明细
// 注意，只有在选中的情况下，才会记录到优惠明细。否则仅仅是更新 SKU 优惠金额，用于展示
if (orderItem.getSelected()) {
if (discount && vip){
if(newDiscountPrice > vipPrice){
TradePriceCalculatorHelper.addPromotion(result, orderItem,
discountProduct.getActivityId(), discountProduct.getActivityName(), PromotionTypeEnum.DISCOUNT_ACTIVITY.getType(),
StrUtil.format("限时折扣：省 {} 元", formatPrice(newDiscountPrice)),
newDiscountPrice);
// 2.5 更新 SKU 优惠金额
orderItem.setDiscountPrice(orderItem.getDiscountPrice() + newDiscountPrice);
}else{
TradePriceCalculatorHelper.addPromotion(result, orderItem,
level.getId(), level.getName(), PromotionTypeEnum.MEMBER_LEVEL.getType(),
String.format("会员等级折扣：省 %s 元", formatPrice(vipPrice)),
vipPrice);
// 2.5 更新 SKU 的优惠金额
orderItem.setVipPrice(vipPrice);
}
}else if (discount){
TradePriceCalculatorHelper.addPromotion(result, orderItem,
discountProduct.getActivityId(), discountProduct.getActivityName(), PromotionTypeEnum.DISCOUNT_ACTIVITY.getType(),
StrUtil.format("限时折扣：省 {} 元", formatPrice(newDiscountPrice)),
newDiscountPrice);
// 2.5 更新 SKU 优惠金额
orderItem.setDiscountPrice(orderItem.getDiscountPrice() + newDiscountPrice);
}else if (vip){
TradePriceCalculatorHelper.addPromotion(result, orderItem,
level.getId(), level.getName(), PromotionTypeEnum.MEMBER_LEVEL.getType(),
String.format("会员等级折扣：省 %s 元", formatPrice(vipPrice)),
vipPrice);
// 2.5 更新 SKU 的优惠金额
orderItem.setVipPrice(vipPrice);
}
// 3. 选择优惠金额多的
if (discountPrice > vipPrice) {
TradePriceCalculatorHelper.addPromotion(result, orderItem,
discountProduct.getActivityId(), discountProduct.getActivityName(), PromotionTypeEnum.DISCOUNT_ACTIVITY.getType(),
StrUtil.format("限时折扣：省 {} 元", formatPrice(discountPrice)),
discountPrice);
// 更新 SKU 优惠金额
orderItem.setDiscountPrice(orderItem.getDiscountPrice() + discountPrice);
} else {
assert level != null;
TradePriceCalculatorHelper.addPromotion(result, orderItem,
level.getId(), level.getName(), PromotionTypeEnum.MEMBER_LEVEL.getType(),
String.format("会员等级折扣：省 %s 元", formatPrice(vipPrice)),
vipPrice);
// 更新 SKU 的优惠金额
orderItem.setVipPrice(vipPrice);
}
// 4. 分摊优惠
TradePriceCalculatorHelper.recountPayPrice(orderItem);
TradePriceCalculatorHelper.recountAllPrice(result);
});
TradePriceCalculatorHelper.recountAllPrice(result);
}
private Integer calculatePayPrice(DiscountProductRespDTO discountProduct,
TradePriceCalculateRespBO.OrderItem orderItem) {
Integer price = orderItem.getPayPrice();
if (PromotionDiscountTypeEnum.PRICE.getType().equals(discountProduct.getDiscountType())) { // 减价
price -= discountProduct.getDiscountPrice() * orderItem.getCount();
} else if (PromotionDiscountTypeEnum.PERCENT.getType().equals(discountProduct.getDiscountType())) { // 打折
price = price * discountProduct.getDiscountPercent() / 100;
} else {
throw new IllegalArgumentException(String.format("优惠活动的商品(%s) 的优惠类型不正确", discountProduct));
}
return price;
}
/**
* 计算会员 VIP 优惠价格
* 计算优惠活动的价格
*
* @param price 原价
* @param discountPercent 折扣
* @param discount 优惠活动
* @param orderItem 交易项
* @return 优惠价格
*/
public Integer calculateVipPrice(Integer price, Integer discountPercent) {
if (discountPercent == null) {
private Integer calculateActivityPrice(DiscountProductRespDTO discount,
TradePriceCalculateRespBO.OrderItem orderItem) {
if (discount == null) {
return 0;
}
BigDecimal divide = new BigDecimal(price).multiply(new BigDecimal(discountPercent)).divide(new BigDecimal(100));
Integer newPrice = divide.intValue();
return price - newPrice;
Integer newPrice = orderItem.getPayPrice();
if (PromotionDiscountTypeEnum.PRICE.getType().equals(discount.getDiscountType())) { // 减价
newPrice -= discount.getDiscountPrice() * orderItem.getCount();
} else if (PromotionDiscountTypeEnum.PERCENT.getType().equals(discount.getDiscountType())) { // 打折
newPrice = newPrice * discount.getDiscountPercent() / 100;
} else {
throw new IllegalArgumentException(String.format("优惠活动的商品(%s) 的优惠类型不正确", discount));
}
return orderItem.getPayPrice() - newPrice;
}
/**
* 计算会员 VIP 的优惠价格
*
* @param level 会员等级
* @param orderItem 交易项
* @return 优惠价格
*/
public Integer calculateVipPrice(MemberLevelRespDTO level,
TradePriceCalculateRespBO.OrderItem orderItem) {
if (level == null || level.getDiscountPercent() == null) {
return 0;
}
Integer newPrice = MoneyUtils.calculateRatePrice(orderItem.getPayPrice(), level.getDiscountPercent().doubleValue());
return orderItem.getPayPrice() - newPrice;
}
}

93
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradeMemberLevelPriceCalculator.java
View File

@@ -1,93 +0,0 @@
package cn.iocoder.yudao.module.trade.service.price.calculator;
import cn.hutool.core.util.ObjectUtil;
import cn.iocoder.yudao.module.member.api.level.MemberLevelApi;
import cn.iocoder.yudao.module.member.api.level.dto.MemberLevelRespDTO;
import cn.iocoder.yudao.module.member.api.user.MemberUserApi;
import cn.iocoder.yudao.module.member.api.user.dto.MemberUserRespDTO;
import cn.iocoder.yudao.module.promotion.enums.common.PromotionTypeEnum;
import cn.iocoder.yudao.module.trade.enums.order.TradeOrderTypeEnum;
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 jakarta.annotation.Resource;
import static cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceCalculatorHelper.formatPrice;
/**
* 会员 VIP 折扣的 {@link TradePriceCalculator} 实现类
*
* @author 芋道源码
*/
@Component
@Order(TradePriceCalculator.ORDER_MEMBER_LEVEL)
public class TradeMemberLevelPriceCalculator implements TradePriceCalculator {
@Resource
private MemberLevelApi memberLevelApi;
@Resource
private MemberUserApi memberUserApi;
/**
* 会员计算迁移到限时优惠计算里
* @param param
* @param result
*/
@Override
public void calculate(TradePriceCalculateReqBO param, TradePriceCalculateRespBO result) {
// // 0. 只有【普通】订单，才计算该优惠
// if (ObjectUtil.notEqual(result.getType(), TradeOrderTypeEnum.NORMAL.getType())) {
// return;
// }
// // 1. 获得用户的会员等级
// MemberUserRespDTO user = memberUserApi.getUser(param.getUserId());
// if (user.getLevelId() == null || user.getLevelId() <= 0) {
// return;
// }
// MemberLevelRespDTO level = memberLevelApi.getMemberLevel(user.getLevelId());
// if (level == null || level.getDiscountPercent() == null) {
// return;
// }
//
// // 2. 计算每个 SKU 的优惠金额
// result.getItems().forEach(orderItem -> {
// // 2.1 计算优惠金额
// Integer vipPrice = calculateVipPrice(orderItem.getPayPrice(), level.getDiscountPercent());
// if (vipPrice <= 0) {
// return;
// }
//
// // 2.2 记录优惠明细
// if (orderItem.getSelected()) {
// // 注意，只有在选中的情况下，才会记录到优惠明细。否则仅仅是更新 SKU 优惠金额，用于展示
// TradePriceCalculatorHelper.addPromotion(result, orderItem,
// level.getId(), level.getName(), PromotionTypeEnum.MEMBER_LEVEL.getType(),
// String.format("会员等级折扣：省 %s 元", formatPrice(vipPrice)),
// vipPrice);
// }
//
// // 2.3 更新 SKU 的优惠金额
// orderItem.setVipPrice(vipPrice);
// TradePriceCalculatorHelper.recountPayPrice(orderItem);
// });
// TradePriceCalculatorHelper.recountAllPrice(result);
}
/**
* 计算会员 VIP 优惠价格
*
* @param price 原价
* @param discountPercent 折扣
* @return 优惠价格
*/
public Integer calculateVipPrice(Integer price, Integer discountPercent) {
if (discountPercent == null) {
return 0;
}
Integer newPrice = price * discountPercent / 100;
return price - newPrice;
}
}

2
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradePriceCalculator.java
View File

@@ -13,8 +13,6 @@ import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
*/
public interface TradePriceCalculator {
int ORDER_MEMBER_LEVEL = 5;
int ORDER_SECKILL_ACTIVITY = 8;
int ORDER_BARGAIN_ACTIVITY = 8;
int ORDER_COMBINATION_ACTIVITY = 8;

19
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradeRewardActivityPriceCalculator.java
View File

@@ -23,10 +23,8 @@ import java.util.Comparator;
import java.util.List;
import java.util.Map;
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.filterList;
import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.REWARD_ACTIVITY_TYPE_NOT_EXISTS;
import static cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceCalculatorHelper.formatPrice;
// TODO @puhui999：相关的单测，建议改一改
@@ -81,8 +79,10 @@ public class TradeRewardActivityPriceCalculator implements TradePriceCalculator
Integer newDiscountPrice = rule.getDiscountPrice();
// 2.2 计算分摊的优惠金额
List<Integer> divideDiscountPrices = TradePriceCalculatorHelper.dividePrice(orderItems, newDiscountPrice);
//计算是否包邮
result.setFreeDelivery(rule.getFreeDelivery());
// 2.3 计算是否包邮
if (Boolean.TRUE.equals(rule.getFreeDelivery())) {
result.setFreeDelivery(true);
}
// 3.1 记录使用的优惠劵
result.setCouponId(param.getCouponId());
@@ -132,16 +132,17 @@ public class TradeRewardActivityPriceCalculator implements TradePriceCalculator
private List<TradePriceCalculateRespBO.OrderItem> filterMatchActivityOrderItems(TradePriceCalculateRespBO result,
RewardActivityMatchRespDTO rewardActivity) {
Integer productScope = rewardActivity.getProductScope();
if(PromotionProductScopeEnum.isAll(productScope)){
if (PromotionProductScopeEnum.isAll(productScope)){
return result.getItems();
}else if (PromotionProductScopeEnum.isSpu(productScope)) {
} else if (PromotionProductScopeEnum.isSpu(productScope)) {
return filterList(result.getItems(),
orderItem -> CollUtil.contains(rewardActivity.getProductScopeValues(), orderItem.getSpuId()));
}else if (PromotionProductScopeEnum.isCategory(productScope)) {
} else if (PromotionProductScopeEnum.isCategory(productScope)) {
return filterList(result.getItems(),
orderItem -> CollUtil.contains(rewardActivity.getProductScopeValues(), orderItem.getCategoryId()));
}else{
throw exception(REWARD_ACTIVITY_TYPE_NOT_EXISTS);
} else {
throw new IllegalArgumentException(StrUtil.format("满减送活动({})的类型({})不存在",
rewardActivity.getId(), productScope));
}
}

118
yudao-module-mall/yudao-module-trade-biz/src/test/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradeMemberLevelPriceCalculatorTest.java
View File

@@ -1,118 +0,0 @@
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.level.MemberLevelApi;
import cn.iocoder.yudao.module.member.api.level.dto.MemberLevelRespDTO;
import cn.iocoder.yudao.module.member.api.user.MemberUserApi;
import cn.iocoder.yudao.module.member.api.user.dto.MemberUserRespDTO;
import cn.iocoder.yudao.module.promotion.enums.common.PromotionTypeEnum;
import cn.iocoder.yudao.module.trade.enums.order.TradeOrderTypeEnum;
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.Test;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import java.util.ArrayList;
import static java.util.Arrays.asList;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.when;
/**
* {@link TradeMemberLevelPriceCalculator} 的单元测试类
*
* @author 芋道源码
*/
public class TradeMemberLevelPriceCalculatorTest extends BaseMockitoUnitTest {
@InjectMocks
private TradeMemberLevelPriceCalculator memberLevelPriceCalculator;
@Mock
private MemberLevelApi memberLevelApi;
@Mock
private MemberUserApi memberUserApi;
@Test
public void testCalculate() {
// 准备参数
TradePriceCalculateReqBO param = new TradePriceCalculateReqBO()
.setUserId(1024L)
.setItems(asList(
new TradePriceCalculateReqBO.Item().setSkuId(10L).setCount(2).setSelected(true), // 匹配活动，且已选中
new TradePriceCalculateReqBO.Item().setSkuId(20L).setCount(3).setSelected(false) // 匹配活动，但未选中
));
TradePriceCalculateRespBO result = new TradePriceCalculateRespBO()
.setType(TradeOrderTypeEnum.NORMAL.getType())
.setPrice(new TradePriceCalculateRespBO.Price())
.setPromotions(new ArrayList<>())
.setItems(asList(
new TradePriceCalculateRespBO.OrderItem().setSkuId(10L).setCount(2).setSelected(true)
.setPrice(100),
new TradePriceCalculateRespBO.OrderItem().setSkuId(20L).setCount(3).setSelected(false)
.setPrice(50)
));
// 保证价格被初始化上
TradePriceCalculatorHelper.recountPayPrice(result.getItems());
TradePriceCalculatorHelper.recountAllPrice(result);
// mock 方法（会员等级）
when(memberUserApi.getUser(eq(1024L))).thenReturn(new MemberUserRespDTO().setLevelId(2048L));
when(memberLevelApi.getMemberLevel(eq(2048L))).thenReturn(
new MemberLevelRespDTO().setId(2048L).setName("VIP 会员").setDiscountPercent(60));
// 调用
memberLevelPriceCalculator.calculate(param, result);
// 断言：Price 部分
TradePriceCalculateRespBO.Price price = result.getPrice();
assertEquals(price.getTotalPrice(), 200);
assertEquals(price.getDiscountPrice(), 0);
assertEquals(price.getPointPrice(), 0);
assertEquals(price.getDeliveryPrice(), 0);
assertEquals(price.getCouponPrice(), 0);
assertEquals(price.getVipPrice(), 80);
assertEquals(price.getPayPrice(), 120);
assertNull(result.getCouponId());
// 断言：SKU 1
assertEquals(result.getItems().size(), 2);
TradePriceCalculateRespBO.OrderItem orderItem01 = result.getItems().get(0);
assertEquals(orderItem01.getSkuId(), 10L);
assertEquals(orderItem01.getCount(), 2);
assertEquals(orderItem01.getPrice(), 100);
assertEquals(orderItem01.getDiscountPrice(), 0);
assertEquals(orderItem01.getDeliveryPrice(), 0);
assertEquals(orderItem01.getCouponPrice(), 0);
assertEquals(orderItem01.getPointPrice(), 0);
assertEquals(orderItem01.getVipPrice(), 80);
assertEquals(orderItem01.getPayPrice(), 120);
// 断言：SKU 2
TradePriceCalculateRespBO.OrderItem orderItem02 = result.getItems().get(1);
assertEquals(orderItem02.getSkuId(), 20L);
assertEquals(orderItem02.getCount(), 3);
assertEquals(orderItem02.getPrice(), 50);
assertEquals(orderItem02.getDiscountPrice(), 0);
assertEquals(orderItem02.getDeliveryPrice(), 0);
assertEquals(orderItem02.getCouponPrice(), 0);
assertEquals(orderItem02.getPointPrice(), 0);
assertEquals(orderItem02.getVipPrice(), 60);
assertEquals(orderItem02.getPayPrice(), 90);
// 断言：Promotion 部分
assertEquals(result.getPromotions().size(), 1);
TradePriceCalculateRespBO.Promotion promotion01 = result.getPromotions().get(0);
assertEquals(promotion01.getId(), 2048L);
assertEquals(promotion01.getName(), "VIP 会员");
assertEquals(promotion01.getType(), PromotionTypeEnum.MEMBER_LEVEL.getType());
assertEquals(promotion01.getTotalPrice(), 200);
assertEquals(promotion01.getDiscountPrice(), 80);
assertTrue(promotion01.getMatch());
assertEquals(promotion01.getDescription(), "会员等级折扣：省 0.80 元");
TradePriceCalculateRespBO.PromotionItem promotionItem01 = promotion01.getItems().get(0);
assertEquals(promotion01.getItems().size(), 1);
assertEquals(promotionItem01.getSkuId(), 10L);
assertEquals(promotionItem01.getTotalPrice(), 200);
assertEquals(promotionItem01.getDiscountPrice(), 80);
}
}