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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 16:58:13 +08:00
parent fee7267799
commit cb995ba047
9 changed files with 146 additions and 192 deletions
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7
yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/reward/dto/RewardActivityMatchRespDTO.java
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@ -100,6 +100,13 @@ public class RewardActivityMatchRespDTO {
*/ */
private Map<Long, Integer> giveCouponTemplateCounts; private Map<Long, Integer> giveCouponTemplateCounts;
/**
* 规则描述
*
* 通过 {@link #limit}、{@link #discountPrice} 等字段进行拼接
*/
private String description;
} }
} }

162
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/app/order/AppTradeOrderController.java
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@ -1,23 +1,9 @@
package cn.iocoder.yudao.module.trade.controller.app.order; package cn.iocoder.yudao.module.trade.controller.app.order;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.framework.common.pojo.CommonResult; import cn.iocoder.yudao.framework.common.pojo.CommonResult;
import cn.iocoder.yudao.framework.common.pojo.PageResult; import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.security.core.annotations.PreAuthenticated; import cn.iocoder.yudao.framework.security.core.annotations.PreAuthenticated;
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.pay.api.notify.dto.PayOrderNotifyReqDTO; import cn.iocoder.yudao.module.pay.api.notify.dto.PayOrderNotifyReqDTO;
import cn.iocoder.yudao.module.product.api.sku.ProductSkuApi;
import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO;
import cn.iocoder.yudao.module.promotion.api.discount.DiscountActivityApi;
import cn.iocoder.yudao.module.promotion.api.discount.dto.DiscountProductRespDTO;
import cn.iocoder.yudao.module.promotion.api.reward.RewardActivityApi;
import cn.iocoder.yudao.module.promotion.api.reward.dto.RewardActivityMatchRespDTO;
import cn.iocoder.yudao.module.promotion.enums.common.PromotionConditionTypeEnum;
import cn.iocoder.yudao.module.promotion.enums.common.PromotionDiscountTypeEnum;
import cn.iocoder.yudao.module.promotion.enums.common.PromotionTypeEnum;
import cn.iocoder.yudao.module.trade.controller.app.order.vo.*; import cn.iocoder.yudao.module.trade.controller.app.order.vo.*;
import cn.iocoder.yudao.module.trade.controller.app.order.vo.item.AppTradeOrderItemCommentCreateReqVO; import cn.iocoder.yudao.module.trade.controller.app.order.vo.item.AppTradeOrderItemCommentCreateReqVO;
import cn.iocoder.yudao.module.trade.controller.app.order.vo.item.AppTradeOrderItemRespVO; import cn.iocoder.yudao.module.trade.controller.app.order.vo.item.AppTradeOrderItemRespVO;
@ -31,6 +17,7 @@ import cn.iocoder.yudao.module.trade.service.aftersale.AfterSaleService;
import cn.iocoder.yudao.module.trade.service.delivery.DeliveryExpressService; import cn.iocoder.yudao.module.trade.service.delivery.DeliveryExpressService;
import cn.iocoder.yudao.module.trade.service.order.TradeOrderQueryService; import cn.iocoder.yudao.module.trade.service.order.TradeOrderQueryService;
import cn.iocoder.yudao.module.trade.service.order.TradeOrderUpdateService; import cn.iocoder.yudao.module.trade.service.order.TradeOrderUpdateService;
import cn.iocoder.yudao.module.trade.service.price.TradePriceService;
import com.google.common.collect.Maps; import com.google.common.collect.Maps;
import io.swagger.v3.oas.annotations.Operation; import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter; import io.swagger.v3.oas.annotations.Parameter;
@ -41,8 +28,8 @@ import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.annotation.Validated; import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*; import org.springframework.web.bind.annotation.*;
import java.time.LocalDateTime; import java.util.List;
import java.util.*; import java.util.Map;
import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success; 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.common.util.collection.CollectionUtils.convertSet;
@ -61,24 +48,14 @@ public class AppTradeOrderController {
private TradeOrderQueryService tradeOrderQueryService; private TradeOrderQueryService tradeOrderQueryService;
@Resource @Resource
private DeliveryExpressService deliveryExpressService; private DeliveryExpressService deliveryExpressService;
@Resource @Resource
private AfterSaleService afterSaleService; private AfterSaleService afterSaleService;
@Resource
private TradePriceService priceService;
@Resource @Resource
private TradeOrderProperties tradeOrderProperties; private TradeOrderProperties tradeOrderProperties;
@Resource
private MemberLevelApi memberLevelApi;
@Resource
private MemberUserApi memberUserApi;
@Resource
private DiscountActivityApi discountActivityApi;
@Resource
private RewardActivityApi rewardActivityApi;
@Resource
private ProductSkuApi productKpuApi;
@GetMapping("/settlement") @GetMapping("/settlement")
@Operation(summary = "获得订单结算信息") @Operation(summary = "获得订单结算信息")
@PreAuthenticated @PreAuthenticated
@ -86,56 +63,11 @@ public class AppTradeOrderController {
return success(tradeOrderUpdateService.settlementOrder(getLoginUserId(), settlementReqVO)); return success(tradeOrderUpdateService.settlementOrder(getLoginUserId(), settlementReqVO));
} }
@GetMapping("/settlementProduct") @GetMapping("/settlement-product")
@Operation(summary = "获得商品结算信息") @Operation(summary = "获得商品结算信息", description = "用于商品列表、商品详情，获得参与活动后的价格信息")
public CommonResult<List<AppTradeProductSettlementRespVO>> settlementProduct(@RequestParam("ids") Set<Long> ids) { @Parameter(name = "spuIds", description = "商品 SPU 编号数组")
List<AppTradeProductSettlementRespVO> appTradeProductSettlementRespVOS = new ArrayList<>(); public CommonResult<List<AppTradeProductSettlementRespVO>> settlementProduct(@RequestParam("spuIds") List<Long> spuIds) {
MemberLevelRespDTO memberLevel = getMemberLevel(); return success(priceService.calculateProductPrice(getLoginUserId(), spuIds));
ids.forEach(spuId -> {
List<AppTradeProductSettlementRespVO.Sku> skus = new ArrayList<>();
List<ProductSkuRespDTO> skuList = productKpuApi.getSkuListBySpuId(Collections.singletonList(spuId));
//查询sku的会员和限时优惠
skuList.forEach(sku -> {
//查询限时优惠价格
AppTradeProductSettlementRespVO.Sku skuDiscount = calculateDiscountPrice(sku.getId(), sku.getPrice());
//查询会员价
AppTradeProductSettlementRespVO.Sku skuVip = calculateVipPrice(sku.getId(), sku.getPrice(), memberLevel);
if(skuDiscount != null && skuVip != null){
if(skuDiscount.getPrice() > skuVip.getPrice()){
skus.add(skuVip);
}else{
skus.add(skuDiscount);
}
}else if(skuDiscount != null){
skus.add(skuDiscount);
}else if(skuVip != null){
skus.add(skuVip);
}
});
AppTradeProductSettlementRespVO.Reward reward = calculateReward(spuId);
AppTradeProductSettlementRespVO respVO = AppTradeProductSettlementRespVO.builder().id(spuId).skus(skus).build();
if(reward != null){
//创建满减活动对象
respVO.setReward(reward);
}
appTradeProductSettlementRespVOS.add(respVO);
});
return success(appTradeProductSettlementRespVOS);
}
private MemberLevelRespDTO getMemberLevel() {
Long userId = getLoginUserId();
if (userId == null) {
return null;
}
MemberUserRespDTO user = memberUserApi.getUser(userId);
if (user.getLevelId() == null || user.getLevelId() <= 0) {
return null;
}
return memberLevelApi.getMemberLevel(user.getLevelId());
} }
@PostMapping("/create") @PostMapping("/create")
@ -265,78 +197,4 @@ public class AppTradeOrderController {
return success(tradeOrderUpdateService.createOrderItemCommentByMember(getLoginUserId(), createReqVO)); return success(tradeOrderUpdateService.createOrderItemCommentByMember(getLoginUserId(), createReqVO));
} }
/**
* 计算会员 VIP 优惠价格
*
* @param price 原价
* @param memberLevel 会员等级
* @return 优惠价格
*/
public AppTradeProductSettlementRespVO.Sku calculateVipPrice(Long skuId, Integer price, MemberLevelRespDTO memberLevel) {
if (memberLevel == null || memberLevel.getDiscountPercent() == null) {
return null;
}
Integer newPrice = price * memberLevel.getDiscountPercent() / 100;
return AppTradeProductSettlementRespVO.Sku.builder().
skuId(skuId).
type(PromotionTypeEnum.MEMBER_LEVEL.getType()).
price(newPrice).build();
}
/**
* 计算限时优惠信息
*
* @param price 原价
* @param skuId 商品规格id
* @return 优惠价格
*/
private AppTradeProductSettlementRespVO.Sku calculateDiscountPrice(Long skuId, Integer price) {
if (skuId == null) {
return null;
}
//根据商品id查询限时优惠
List<DiscountProductRespDTO> matchDiscountProductList = discountActivityApi.getMatchDiscountProductList(Collections.singletonList(skuId));
if (matchDiscountProductList != null && !matchDiscountProductList.isEmpty()) {
DiscountProductRespDTO discountProductRespDTO = matchDiscountProductList.get(matchDiscountProductList.size() - 1);
AppTradeProductSettlementRespVO.Sku sku = AppTradeProductSettlementRespVO.Sku.builder().
skuId(skuId).
discountId(discountProductRespDTO.getId()).
type(PromotionTypeEnum.DISCOUNT_ACTIVITY.getType()).
endTime(discountProductRespDTO.getActivityEndTime()).
build();
Integer discountType = discountProductRespDTO.getDiscountType();
if(Objects.equals(PromotionDiscountTypeEnum.PRICE.getType(), discountType)){
sku.setPrice(price - discountProductRespDTO.getDiscountPrice() * 100);
}else if(Objects.equals(PromotionDiscountTypeEnum.PERCENT.getType(), discountType)){
Integer newPrice = price * discountProductRespDTO.getDiscountPercent() / 100;
sku.setPrice(price - newPrice);
}else{
throw new IllegalArgumentException("限时折扣活动类型不存在");
}
return sku;
}
return null;
}
/**
* 获取第一层满减活动
*
* @param spuId 商品规格id
* @return 优惠价格
*/
private AppTradeProductSettlementRespVO.Reward calculateReward(Long spuId) {
List<RewardActivityMatchRespDTO> matchRewardActivityList = rewardActivityApi.getRewardActivityBySpuIdsAndStatusAndDateTimeLt(Collections.singletonList(spuId), CommonStatusEnum.ENABLE.getStatus(), LocalDateTime.now());
if(matchRewardActivityList != null && !matchRewardActivityList.isEmpty()){
RewardActivityMatchRespDTO rewardActivityMatchRespDTO = matchRewardActivityList.get(matchRewardActivityList.size() - 1);
if(rewardActivityMatchRespDTO != null){
RewardActivityMatchRespDTO.Rule rule = rewardActivityMatchRespDTO.getRules().get(0);
return AppTradeProductSettlementRespVO.Reward.builder().
rewardActivity("满" + rule.getLimit() / 100 + (Objects.equals(rewardActivityMatchRespDTO.getConditionType(), PromotionConditionTypeEnum.PRICE.getType())?"元":"件"+"减") +rule.getDiscountPrice() / 100)
.id(rewardActivityMatchRespDTO.getId()).build();
}
}
return null;
}
} }

45
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/app/order/vo/AppTradeProductSettlementRespVO.java
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@ -1,7 +1,6 @@
package cn.iocoder.yudao.module.trade.controller.app.order.vo; package cn.iocoder.yudao.module.trade.controller.app.order.vo;
import io.swagger.v3.oas.annotations.media.Schema; import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Builder;
import lombok.Data; import lombok.Data;
import java.io.Serializable; import java.io.Serializable;
@ -10,54 +9,48 @@ import java.util.List;
@Schema(description = "用户 App - 商品结算信息 Response VO") @Schema(description = "用户 App - 商品结算信息 Response VO")
@Data @Data
@Builder
public class AppTradeProductSettlementRespVO { public class AppTradeProductSettlementRespVO {
@Schema(description = "spu 商品编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1") @Schema(description = "SPU 商品编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
private Long id; private Long spuId;
@Schema(description = "满减活动对象", requiredMode = Schema.RequiredMode.REQUIRED, example = "1") @Schema(description = "SKU 价格信息数组", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
private Reward reward;
@Schema(description = "sku 活动信息", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
private List<Sku> skus; private List<Sku> skus;
/** @Schema(description = "满减送活动信息", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
* 满减活动 private RewardActivity rewardActivity;
*/
@Schema(description = "满减送活动信息")
@Data @Data
@Builder public static class RewardActivity {
public static class Reward implements Serializable {
@Schema(description = "满减活动编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1") @Schema(description = "满减活动编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
private Long id; private Long id;
@Schema(description = "满减活动信息", requiredMode = Schema.RequiredMode.REQUIRED, example = "1") @Schema(description = "优惠规则描述", requiredMode = Schema.RequiredMode.REQUIRED, example = "满 0.5 元减 0.3")
private String rewardActivity; private List<String> ruleDescriptions;
} }
/** @Schema(description = "SKU 价格信息")
* SKU 数组
*/
@Data @Data
@Builder
public static class Sku implements Serializable { public static class Sku implements Serializable {
@Schema(description = "商品 SKU 编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1") @Schema(description = "商品 SKU 编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
private Long skuId; private Long id;
@Schema(description = "价格", requiredMode = Schema.RequiredMode.REQUIRED, example = "1") @Schema(description = "支付价格", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
private Integer price; private Integer payPrice; // 优惠后价格
@Schema(description = "营销类型", requiredMode = Schema.RequiredMode.REQUIRED, example = "1") @Schema(description = "营销类型", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
private Integer type; // 对应 PromotionTypeEnum 枚举 private Integer promotionType; // 对应 PromotionTypeEnum 枚举
@Schema(description = "限时优惠id", requiredMode = Schema.RequiredMode.REQUIRED) @Schema(description = "营销编号", requiredMode = Schema.RequiredMode.REQUIRED)
private Long discountId; private Long promotionId; // 目前只有限时折扣活动的编号
@Schema(description = "活动结束时间", requiredMode = Schema.RequiredMode.REQUIRED) @Schema(description = "活动结束时间", requiredMode = Schema.RequiredMode.REQUIRED)
private LocalDateTime endTime; private LocalDateTime promotionEndTime;
} }
} }

2
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/order/TradeOrderUpdateServiceImpl.java
View File

@ -166,7 +166,7 @@ public class TradeOrderUpdateServiceImpl implements TradeOrderUpdateService {
TradePriceCalculateReqBO calculateReqBO = TradeOrderConvert.INSTANCE.convert(userId, settlementReqVO, cartList); TradePriceCalculateReqBO calculateReqBO = TradeOrderConvert.INSTANCE.convert(userId, settlementReqVO, cartList);
calculateReqBO.getItems().forEach(item -> Assert.isTrue(item.getSelected(), // 防御性编程，保证都是选中的 calculateReqBO.getItems().forEach(item -> Assert.isTrue(item.getSelected(), // 防御性编程，保证都是选中的
"商品({}) 未设置为选中", item.getSkuId())); "商品({}) 未设置为选中", item.getSkuId()));
return tradePriceService.calculatePrice(calculateReqBO); return tradePriceService.calculateOrderPrice(calculateReqBO);
} }
@Override @Override

17
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/TradePriceService.java
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@ -1,10 +1,12 @@
package cn.iocoder.yudao.module.trade.service.price; package cn.iocoder.yudao.module.trade.service.price;
import cn.iocoder.yudao.module.trade.controller.app.order.vo.AppTradeProductSettlementRespVO;
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO; 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;
import jakarta.validation.Valid; import jakarta.validation.Valid;
import java.util.List;
/** /**
* 价格计算 Service 接口 * 价格计算 Service 接口
* *
@ -13,11 +15,20 @@ import jakarta.validation.Valid;
public interface TradePriceService { public interface TradePriceService {
/** /**
* 价格计算 * 【订单】价格计算
* *
* @param calculateReqDTO 计算信息 * @param calculateReqDTO 计算信息
* @return 计算结果 * @return 计算结果
*/ */
TradePriceCalculateRespBO calculatePrice(@Valid TradePriceCalculateReqBO calculateReqDTO); TradePriceCalculateRespBO calculateOrderPrice(@Valid TradePriceCalculateReqBO calculateReqDTO);
/**
* 【商品】价格计算，用于商品列表、商品详情
*
* @param userId 用户编号，允许为空
* @param spuIds 商品 SPU 编号数组
* @return 计算结果
*/
List<AppTradeProductSettlementRespVO> calculateProductPrice(Long userId, List<Long> spuIds);
} }

80
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/TradePriceServiceImpl.java
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@ -1,24 +1,33 @@
package cn.iocoder.yudao.module.trade.service.price; package cn.iocoder.yudao.module.trade.service.price;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.module.member.api.level.dto.MemberLevelRespDTO;
import cn.iocoder.yudao.module.product.api.sku.ProductSkuApi; import cn.iocoder.yudao.module.product.api.sku.ProductSkuApi;
import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO; import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO;
import cn.iocoder.yudao.module.product.api.spu.ProductSpuApi; import cn.iocoder.yudao.module.product.api.spu.ProductSpuApi;
import cn.iocoder.yudao.module.product.api.spu.dto.ProductSpuRespDTO; import cn.iocoder.yudao.module.product.api.spu.dto.ProductSpuRespDTO;
import cn.iocoder.yudao.module.promotion.api.discount.DiscountActivityApi;
import cn.iocoder.yudao.module.promotion.api.discount.dto.DiscountProductRespDTO;
import cn.iocoder.yudao.module.promotion.api.reward.RewardActivityApi;
import cn.iocoder.yudao.module.promotion.api.reward.dto.RewardActivityMatchRespDTO;
import cn.iocoder.yudao.module.promotion.enums.common.PromotionTypeEnum;
import cn.iocoder.yudao.module.trade.controller.app.order.vo.AppTradeProductSettlementRespVO;
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO; 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;
import cn.iocoder.yudao.module.trade.service.price.calculator.TradeDiscountActivityPriceCalculator;
import cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceCalculator; import cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceCalculator;
import cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceCalculatorHelper; import cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceCalculatorHelper;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j; import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service; import org.springframework.stereotype.Service;
import org.springframework.validation.annotation.Validated; import org.springframework.validation.annotation.Validated;
import jakarta.annotation.Resource; import java.time.LocalDateTime;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception; 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.*;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SKU_NOT_EXISTS; import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SKU_NOT_EXISTS;
import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SKU_STOCK_NOT_ENOUGH; import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SKU_STOCK_NOT_ENOUGH;
import static cn.iocoder.yudao.module.trade.enums.ErrorCodeConstants.PRICE_CALCULATE_PAY_PRICE_ILLEGAL; import static cn.iocoder.yudao.module.trade.enums.ErrorCodeConstants.PRICE_CALCULATE_PAY_PRICE_ILLEGAL;
@ -37,12 +46,19 @@ public class TradePriceServiceImpl implements TradePriceService {
private ProductSkuApi productSkuApi; private ProductSkuApi productSkuApi;
@Resource @Resource
private ProductSpuApi productSpuApi; private ProductSpuApi productSpuApi;
@Resource
private DiscountActivityApi discountActivityApi;
@Resource
private RewardActivityApi rewardActivityApi;
@Resource @Resource
private List<TradePriceCalculator> priceCalculators; private List<TradePriceCalculator> priceCalculators;
@Resource
private TradeDiscountActivityPriceCalculator discountActivityPriceCalculator;
@Override @Override
public TradePriceCalculateRespBO calculatePrice(TradePriceCalculateReqBO calculateReqBO) { public TradePriceCalculateRespBO calculateOrderPrice(TradePriceCalculateReqBO calculateReqBO) {
// 1.1 获得商品 SKU 数组 // 1.1 获得商品 SKU 数组
List<ProductSkuRespDTO> skuList = checkSkuList(calculateReqBO); List<ProductSkuRespDTO> skuList = checkSkuList(calculateReqBO);
// 1.2 获得商品 SPU 数组 // 1.2 获得商品 SPU 数组
@ -85,4 +101,60 @@ public class TradePriceServiceImpl implements TradePriceService {
return productSpuApi.validateSpuList(convertSet(skuList, ProductSkuRespDTO::getSpuId)); return productSpuApi.validateSpuList(convertSet(skuList, ProductSkuRespDTO::getSpuId));
} }
@Override
public List<AppTradeProductSettlementRespVO> calculateProductPrice(Long userId, List<Long> spuIds) {
// 1.1 获得 SPU 与 SKU 的映射
List<ProductSkuRespDTO> allSkuList = productSkuApi.getSkuListBySpuId(spuIds);
Map<Long, List<ProductSkuRespDTO>> spuIdAndSkuListMap = convertMultiMap(allSkuList, ProductSkuRespDTO::getSpuId);
// 1.2 获得会员等级
MemberLevelRespDTO level = discountActivityPriceCalculator.getMemberLevel(userId);
// 1.3 获得限时折扣活动
Map<Long, DiscountProductRespDTO> skuIdAndDiscountMap = convertMap(
discountActivityApi.getMatchDiscountProductList(convertSet(allSkuList, ProductSkuRespDTO::getId)),
DiscountProductRespDTO::getSkuId);
// 1.4 获得满减送活动
// TODO 芋艿：这里是有问题的，后面 fix
Map<Long, RewardActivityMatchRespDTO> rewardActivityMap = convertMap(
rewardActivityApi.getRewardActivityBySpuIdsAndStatusAndDateTimeLt(spuIds, CommonStatusEnum.ENABLE.getStatus(), LocalDateTime.now()),
RewardActivityMatchRespDTO::getId);
// 2. 价格计算
return convertList(spuIds, spuId -> {
AppTradeProductSettlementRespVO spuVO = new AppTradeProductSettlementRespVO().setSpuId(spuId);
// 2.1 优惠价格
List<ProductSkuRespDTO> skuList = spuIdAndSkuListMap.get(spuId);
List<AppTradeProductSettlementRespVO.Sku> skuVOList = convertList(skuList, sku -> {
AppTradeProductSettlementRespVO.Sku skuVO = new AppTradeProductSettlementRespVO.Sku()
.setId(sku.getId()).setPayPrice(sku.getPrice());
TradePriceCalculateRespBO.OrderItem orderItem = new TradePriceCalculateRespBO.OrderItem()
.setPayPrice(sku.getPrice()).setCount(1);
// 计算限时折扣的优惠价格
DiscountProductRespDTO discountProduct = skuIdAndDiscountMap.get(orderItem.getSkuId());
Integer discountPrice = discountActivityPriceCalculator.calculateActivityPrice(discountProduct, orderItem);
// 计算 VIP 优惠金额
Integer vipPrice = discountActivityPriceCalculator.calculateVipPrice(level, orderItem);
if (discountPrice <= 0 && vipPrice <= 0) {
return skuVO;
}
// 选择一个大的优惠
if (discountPrice > vipPrice) {
return skuVO.setPayPrice(sku.getPrice() - discountPrice)
.setPromotionType(PromotionTypeEnum.DISCOUNT_ACTIVITY.getType())
.setPromotionId(discountProduct.getId()).setPromotionEndTime(discountProduct.getActivityEndTime());
} else {
return skuVO.setPayPrice(sku.getPrice() - vipPrice)
.setPromotionType(PromotionTypeEnum.MEMBER_LEVEL.getType());
}
});
spuVO.setSkus(skuVOList);
// 2.2 满减送活动
RewardActivityMatchRespDTO rewardActivity = rewardActivityMap.get(spuId);
if (rewardActivity != null) {
spuVO.setRewardActivity(new AppTradeProductSettlementRespVO.RewardActivity().setId(rewardActivity.getId())
.setRuleDescriptions(convertList(rewardActivity.getRules(), RewardActivityMatchRespDTO.Rule::getDescription)));
}
return spuVO;
});
}
} }

21
yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradeDiscountActivityPriceCalculator.java
View File

@ -55,8 +55,7 @@ public class TradeDiscountActivityPriceCalculator implements TradePriceCalculato
convertSet(result.getItems(), TradePriceCalculateRespBO.OrderItem::getSkuId)); convertSet(result.getItems(), TradePriceCalculateRespBO.OrderItem::getSkuId));
Map<Long, DiscountProductRespDTO> discountProductMap = convertMap(discountProducts, DiscountProductRespDTO::getSkuId); Map<Long, DiscountProductRespDTO> discountProductMap = convertMap(discountProducts, DiscountProductRespDTO::getSkuId);
// 1.2 获得会员等级 // 1.2 获得会员等级
MemberUserRespDTO user = memberUserApi.getUser(param.getUserId()); MemberLevelRespDTO level = getMemberLevel(param.getUserId());
MemberLevelRespDTO level = user != null && user.getLevelId() > 0 ? memberLevelApi.getMemberLevel(user.getLevelId()) : null;
// 2. 计算每个 SKU 的优惠金额 // 2. 计算每个 SKU 的优惠金额
result.getItems().forEach(orderItem -> { result.getItems().forEach(orderItem -> {
@ -96,6 +95,20 @@ public class TradeDiscountActivityPriceCalculator implements TradePriceCalculato
}); });
} }
/**
* 获得用户的等级
*
* @param userId 用户编号
* @return 用户等级
*/
public MemberLevelRespDTO getMemberLevel(Long userId) {
MemberUserRespDTO user = memberUserApi.getUser(userId);
if (user == null || user.getLevelId() == null || user.getLevelId() <= 0) {
return null;
}
return memberLevelApi.getMemberLevel(user.getLevelId());
}
/** /**
* 计算优惠活动的价格 * 计算优惠活动的价格
* *
@ -103,7 +116,7 @@ public class TradeDiscountActivityPriceCalculator implements TradePriceCalculato
* @param orderItem 交易项 * @param orderItem 交易项
* @return 优惠价格 * @return 优惠价格
*/ */
private Integer calculateActivityPrice(DiscountProductRespDTO discount, public Integer calculateActivityPrice(DiscountProductRespDTO discount,
TradePriceCalculateRespBO.OrderItem orderItem) { TradePriceCalculateRespBO.OrderItem orderItem) {
if (discount == null) { if (discount == null) {
return 0; return 0;
@ -127,7 +140,7 @@ public class TradeDiscountActivityPriceCalculator implements TradePriceCalculato
* @return 优惠价格 * @return 优惠价格
*/ */
public Integer calculateVipPrice(MemberLevelRespDTO level, public Integer calculateVipPrice(MemberLevelRespDTO level,
TradePriceCalculateRespBO.OrderItem orderItem) { TradePriceCalculateRespBO.OrderItem orderItem) {
if (level == null || level.getDiscountPercent() == null) { if (level == null || level.getDiscountPercent() == null) {
return 0; return 0;
} }

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

@ -54,7 +54,7 @@ public class TradeRewardActivityPriceCalculator implements TradePriceCalculator
return; return;
} }
// 处理最新的满减送活动 // 处理最新的满减送活动
if(!rewardActivities.isEmpty()){ if (!rewardActivities.isEmpty()) {
calculate(param, result, rewardActivities.get(0)); calculate(param, result, rewardActivities.get(0));
} }
} }

2
yudao-module-mall/yudao-module-trade-biz/src/test/java/cn/iocoder/yudao/module/trade/service/price/TradePriceServiceImplTest.java
View File

@ -72,7 +72,7 @@ public class TradePriceServiceImplTest extends BaseMockitoUnitTest {
.setStatus(ProductSpuStatusEnum.ENABLE.getStatus()))); .setStatus(ProductSpuStatusEnum.ENABLE.getStatus())));
// 调用 // 调用
TradePriceCalculateRespBO calculateRespBO = tradePriceService.calculatePrice(calculateReqBO); TradePriceCalculateRespBO calculateRespBO = tradePriceService.calculateOrderPrice(calculateReqBO);
// 断言 // 断言
assertEquals(TradeOrderTypeEnum.NORMAL.getType(), calculateRespBO.getType()); assertEquals(TradeOrderTypeEnum.NORMAL.getType(), calculateRespBO.getType());
assertEquals(0, calculateRespBO.getPromotions().size()); assertEquals(0, calculateRespBO.getPromotions().size());