mall + trade：review 配置管理列表

yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/string/StrUtils.java

@@ -40,15 +40,14 @@ public class StrUtils {
         return false;
     }
 
-    public static List<Long> splitToLong(String value,  CharSequence separator) {
+    public static List<Long> splitToLong(String value, CharSequence separator) {
         long[] longs = StrUtil.splitToLong(value, separator);
         return Arrays.stream(longs).boxed().collect(Collectors.toList());
     }
 
-    public static List<Integer> splitToInteger(String value,  CharSequence separator) {
+    public static List<Integer> splitToInteger(String value, CharSequence separator) {
         int[] integers = StrUtil.splitToInt(value, separator);
         return Arrays.stream(integers).boxed().collect(Collectors.toList());
     }
 
-
 }

yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/mapper/BaseMapperX.java

@@ -113,7 +113,7 @@ public interface BaseMapperX<T> extends MPJBaseMapper<T> {
         Db.saveBatch(entities, size);
     }
 
-    // @芋艿 是不是叫  updateByDo 或者  updateByEntity 更合适
+    // @芋艿 是不是叫  updateByDo 或者  updateByEntity 更合适；回复：因为是使用实体作为条件去批量更新，所以没加 ByEntity，保持和 mybatis plus 风格一致
     default void updateBatch(T update) {
         update(update, new QueryWrapper<>());
     }

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/coupon/CouponApi.java

@@ -1,6 +1,8 @@
 package cn.iocoder.yudao.module.promotion.api.coupon;
 
+import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponRespDTO;
 import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponUseReqDTO;
+import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponValidReqDTO;
 
 import javax.validation.Valid;
 
@@ -18,4 +20,12 @@ public interface CouponApi {
      */
     void useCoupon(@Valid CouponUseReqDTO useReqDTO);
 
+    /**
+     * 校验优惠劵
+     *
+     * @param validReqDTO 校验请求
+     * @return 优惠劵
+     */
+    CouponRespDTO validateCoupon(@Valid CouponValidReqDTO validReqDTO);
+
 }

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/coupon/dto/CouponRespDTO.java

@@ -0,0 +1,109 @@
+package cn.iocoder.yudao.module.promotion.api.coupon.dto;
+
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionDiscountTypeEnum;
+import cn.iocoder.yudao.module.promotion.enums.coupon.CouponStatusEnum;
+import cn.iocoder.yudao.module.promotion.enums.coupon.CouponTakeTypeEnum;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+/**
+ * 优惠劵 Response DTO
+ *
+ * @author 芋道源码
+ */
+@Data
+public class CouponRespDTO {
+
+    // ========== 基本信息 BEGIN ==========
+    /**
+     * 优惠劵编号
+     */
+    private Long id;
+    /**
+     * 优惠劵模板编号
+     */
+    private Integer templateId;
+    /**
+     * 优惠劵名
+     */
+    private String name;
+    /**
+     * 优惠码状态
+     *
+     * 枚举 {@link CouponStatusEnum}
+     */
+    private Integer status;
+
+    // ========== 基本信息 END ==========
+
+    // ========== 领取情况 BEGIN ==========
+    /**
+     * 用户编号
+     *
+     * 关联 MemberUserDO 的 id 字段
+     */
+    private Long userId;
+    /**
+     * 领取类型
+     *
+     * 枚举 {@link CouponTakeTypeEnum}
+     */
+    private Integer takeType;
+    // ========== 领取情况 END ==========
+
+    // ========== 使用规则 BEGIN ==========
+    /**
+     * 是否设置满多少金额可用，单位：分
+     */
+    private Integer usePrice;
+    /**
+     * 生效开始时间
+     */
+    private LocalDateTime validStartTime;
+    /**
+     * 生效结束时间
+     */
+    private LocalDateTime validEndTime;
+    /**
+     * 商品范围
+     */
+    private Integer productScope;
+    /**
+     * 商品 SPU 编号的数组
+     */
+    private List<Long> productSpuIds;
+    // ========== 使用规则 END ==========
+
+    // ========== 使用效果 BEGIN ==========
+    /**
+     * 折扣类型
+     */
+    private Integer discountType;
+    /**
+     * 折扣百分比
+     */
+    private Integer discountPercent;
+    /**
+     * 优惠金额，单位：分
+     */
+    private Integer discountPrice;
+    /**
+     * 折扣上限，仅在 {@link #discountType} 等于 {@link PromotionDiscountTypeEnum#PERCENT} 时生效
+     */
+    private Integer discountLimitPrice;
+    // ========== 使用效果 END ==========
+
+    // ========== 使用情况 BEGIN ==========
+    /**
+     * 使用订单号
+     */
+    private Long useOrderId;
+    /**
+     * 使用时间
+     */
+    private LocalDateTime useTime;
+
+    // ========== 使用情况 END ==========
+}

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/coupon/dto/CouponValidReqDTO.java

@@ -0,0 +1,27 @@
+package cn.iocoder.yudao.module.promotion.api.coupon.dto;
+
+import lombok.Data;
+
+import javax.validation.constraints.NotNull;
+
+/**
+ * 优惠劵使用 Request DTO
+ *
+ * @author 芋道源码
+ */
+@Data
+public class CouponValidReqDTO {
+
+    /**
+     * 优惠劵编号
+     */
+    @NotNull(message = "优惠劵编号不能为空")
+    private Long id;
+
+    /**
+     * 用户编号
+     */
+    @NotNull(message = "用户编号不能为空")
+    private Long userId;
+
+}

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/discount/DiscountActivityApi.java

@@ -0,0 +1,23 @@
+package cn.iocoder.yudao.module.promotion.api.discount;
+
+import cn.iocoder.yudao.module.promotion.api.discount.dto.DiscountProductRespDTO;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * 限时折扣 API 接口
+ *
+ * @author 芋道源码
+ */
+public interface DiscountActivityApi {
+
+    /**
+     * 获得商品匹配的的限时折扣信息
+     *
+     * @param skuIds 商品 SKU 编号数组
+     * @return 限时折扣信息
+     */
+    List<DiscountProductRespDTO> getMatchDiscountProductList(Collection<Long> skuIds);
+
+}

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/discount/dto/DiscountProductRespDTO.java

@@ -1,25 +1,19 @@
-package cn.iocoder.yudao.module.promotion.service.discount.bo;
+package cn.iocoder.yudao.module.promotion.api.discount.dto;
 
 import lombok.Data;
 
 /**
- * 限时折扣活动商品 BO
+ * 限时折扣活动商品 Response DTO
  *
  * @author 芋道源码
  */
 @Data
-public class DiscountProductDetailBO {
-
-    // ========== DiscountProductDO 字段 ==========
+public class DiscountProductRespDTO {
 
     /**
      * 编号，主键自增
      */
     private Long id;
-    /**
-     * 限时折扣活动的编号
-     */
-    private Long activityId;
     /**
      * 商品 SPU 编号
      */
@@ -41,7 +35,11 @@ public class DiscountProductDetailBO {
      */
     private Integer discountPrice;
 
-    // ========== DiscountActivityDO 字段 ==========
+    // ========== 活动字段 ==========
+    /**
+     * 限时折扣活动的编号
+     */
+    private Long activityId;
     /**
      * 活动标题
      */

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/package-info.java

@@ -1,4 +0,0 @@
-/**
- * 占位
- */
-package cn.iocoder.yudao.module.promotion.api;

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/price/dto/PriceCalculateReqDTO.java

@@ -26,6 +26,11 @@ public class PriceCalculateReqDTO {
      */
     private Long couponId;
 
+    /**
+     * 收货地址编号
+     */
+    private Long addressId;
+
     /**
      * 商品 SKU 数组
      */

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/price/dto/PriceCalculateRespDTO.java

@@ -24,6 +24,7 @@ import java.util.List;
  * @author 芋道源码
  */
 @Data
+@Deprecated
 public class PriceCalculateRespDTO {
 
     /**
@@ -174,6 +175,7 @@ public class PriceCalculateRespDTO {
      * 营销明细
      */
     @Data
+    @Deprecated
     public static class Promotion {
 
         /**
@@ -216,14 +218,14 @@ public class PriceCalculateRespDTO {
         /**
          * 是否满足优惠条件
          */
-        private Boolean meet;
+        private Boolean match;
         /**
          * 满足条件的提示
          *
-         * 如果 {@link #meet} = true 满足，则提示“圣诞价:省 150.00 元”
-         * 如果 {@link #meet} = false 不满足，则提示“购满 85 元，可减 40 元”
+         * 如果 {@link #match} = true 满足，则提示“圣诞价:省 150.00 元”
+         * 如果 {@link #match} = false 不满足，则提示“购满 85 元，可减 40 元”
          */
-        private String meetTip;
+        private String description;
 
     }
 

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/reward/RewardActivityApi.java

@@ -0,0 +1,24 @@
+package cn.iocoder.yudao.module.promotion.api.reward;
+
+import cn.iocoder.yudao.module.promotion.api.reward.dto.RewardActivityMatchRespDTO;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * 满减送活动 API 接口
+ *
+ * @author 芋道源码
+ */
+public interface RewardActivityApi {
+
+
+    /**
+     * 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 满减送活动列表
+     */
+    List<RewardActivityMatchRespDTO> getMatchRewardActivityList(Collection<Long> spuIds);
+
+}

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/reward/dto/RewardActivityMatchRespDTO.java

@@ -0,0 +1,77 @@
+package cn.iocoder.yudao.module.promotion.api.reward.dto;
+
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionConditionTypeEnum;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 满减送活动的匹配 Response DTO
+ *
+ * @author 芋道源码
+ */
+@Data
+public class RewardActivityMatchRespDTO {
+
+    /**
+     * 活动编号，主键自增
+     */
+    private Long id;
+    /**
+     * 活动标题
+     */
+    private String name;
+    /**
+     * 条件类型
+     *
+     * 枚举 {@link PromotionConditionTypeEnum}
+     */
+    private Integer conditionType;
+    /**
+     * 优惠规则的数组
+     */
+    private List<Rule> rules;
+
+    /**
+     * 商品 SPU 编号的数组
+     */
+    private List<Long> spuIds;
+
+    // TODO 芋艿：后面 RewardActivityRespDTO 有了之后，Rule 可以放过去
+    /**
+     * 优惠规则
+     */
+    @Data
+    public static class Rule {
+
+        /**
+         * 优惠门槛
+         *
+         * 1. 满 N 元，单位：分
+         * 2. 满 N 件
+         */
+        private Integer limit;
+        /**
+         * 优惠价格，单位：分
+         */
+        private Integer discountPrice;
+        /**
+         * 是否包邮
+         */
+        private Boolean freeDelivery;
+        /**
+         * 赠送的积分
+         */
+        private Integer point;
+        /**
+         * 赠送的优惠劵编号的数组
+         */
+        private List<Long> couponIds;
+        /**
+         * 赠送的优惠卷数量的数组
+         */
+        private List<Integer> couponCounts;
+
+    }
+
+}

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/enums/common/PromotionLevelEnum.java

@@ -1,40 +0,0 @@
-package cn.iocoder.yudao.module.promotion.enums.common;
-
-import cn.iocoder.yudao.framework.common.core.IntArrayValuable;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-import java.util.Arrays;
-
-/**
- * 营销的级别枚举
- *
- * 参考有赞：<a href="https://img01.yzcdn.cn/upload_files/2021/11/02/FhDjUrNDq-G0wjNdYDtgUX09fdGj.png">营销级别</a>
- *
- * @author 芋道源码
- */
-@Getter
-@AllArgsConstructor
-public enum PromotionLevelEnum implements IntArrayValuable {
-
-    ORDER(1, "订单级"), // 多个商品，进行组合后优惠。例如说：满减送、打包一口价、第二件半价
-    SKU(2, "商品级"), // 单个商品，直接优惠。例如说：限时折扣、会员折扣
-    COUPON(3, "优惠劵"), // 多个商品，进行组合后优惠。例如说：优惠劵
-    ;
-
-    public static final int[] ARRAYS = Arrays.stream(values()).mapToInt(PromotionLevelEnum::getLevel).toArray();
-
-    /**
-     * 级别值
-     */
-    private final Integer level;
-    /**
-     * 类型名
-     */
-    private final String name;
-
-    @Override
-    public int[] array() {
-        return ARRAYS;
-    }
-}

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/enums/common/PromotionTypeEnum.java

@@ -18,7 +18,7 @@ public enum PromotionTypeEnum implements IntArrayValuable {
     DISCOUNT_ACTIVITY(1, "限时折扣"),
     REWARD_ACTIVITY(2, "满减送"),
 
-    MEMBER(3, "会员折扣"),
+    MEMBER(3, "会员折扣"), // TODO 芋艿：待实现 StrUtil.format("会员折扣：省 {} 元", formatPrice(orderItem.getPayPrice() - memberPrice)
     COUPON(4, "优惠劵")
     ;
 
@@ -37,4 +37,5 @@ public enum PromotionTypeEnum implements IntArrayValuable {
     public int[] array() {
         return ARRAYS;
     }
+
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/api/coupon/CouponApiImpl.java

@@ -1,7 +1,11 @@
 package cn.iocoder.yudao.module.promotion.api.coupon;
 
 
+import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponRespDTO;
 import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponUseReqDTO;
+import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponValidReqDTO;
+import cn.iocoder.yudao.module.promotion.convert.coupon.CouponConvert;
+import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponDO;
 import cn.iocoder.yudao.module.promotion.service.coupon.CouponService;
 import org.springframework.stereotype.Service;
 
@@ -24,4 +28,10 @@ public class CouponApiImpl implements CouponApi {
                 useReqDTO.getOrderId());
     }
 
+    @Override
+    public CouponRespDTO validateCoupon(CouponValidReqDTO validReqDTO) {
+        CouponDO coupon = couponService.validCoupon(validReqDTO.getId(), validReqDTO.getUserId());
+        return CouponConvert.INSTANCE.convert(coupon);
+    }
+
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/api/discount/DiscountActivityApiImpl.java

@@ -0,0 +1,28 @@
+package cn.iocoder.yudao.module.promotion.api.discount;
+
+import cn.iocoder.yudao.module.promotion.api.discount.dto.DiscountProductRespDTO;
+import cn.iocoder.yudao.module.promotion.convert.discount.DiscountActivityConvert;
+import cn.iocoder.yudao.module.promotion.service.discount.DiscountActivityService;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * 限时折扣 API 实现类
+ *
+ * @author 芋道源码
+ */
+@Service
+public class DiscountActivityApiImpl implements DiscountActivityApi {
+
+    @Resource
+    private DiscountActivityService discountActivityService;
+
+    @Override
+    public List<DiscountProductRespDTO> getMatchDiscountProductList(Collection<Long> skuIds) {
+        return DiscountActivityConvert.INSTANCE.convertList02(discountActivityService.getMatchDiscountProductList(skuIds));
+    }
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/api/discount/package-info.java

@@ -1 +0,0 @@
-package cn.iocoder.yudao.module.promotion.api.discount;

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/api/reward/RewardActivityApiImpl.java

@@ -0,0 +1,27 @@
+package cn.iocoder.yudao.module.promotion.api.reward;
+
+import cn.iocoder.yudao.module.promotion.api.reward.dto.RewardActivityMatchRespDTO;
+import cn.iocoder.yudao.module.promotion.service.reward.RewardActivityService;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * 满减送活动 API 实现类
+ *
+ * @author 芋道源码
+ */
+@Service
+public class RewardActivityApiImpl implements RewardActivityApi {
+
+    @Resource
+    private RewardActivityService rewardActivityService;
+
+    @Override
+    public List<RewardActivityMatchRespDTO> getMatchRewardActivityList(Collection<Long> spuIds) {
+        return rewardActivityService.getMatchRewardActivityList(spuIds);
+    }
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/convert/coupon/CouponConvert.java

@@ -1,6 +1,7 @@
 package cn.iocoder.yudao.module.promotion.convert.coupon;
 
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponRespDTO;
 import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.coupon.CouponPageItemRespVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponDO;
 import org.mapstruct.Mapper;
@@ -18,4 +19,6 @@ public interface CouponConvert {
 
     PageResult<CouponPageItemRespVO> convertPage(PageResult<CouponDO> page);
 
+    CouponRespDTO convert(CouponDO bean);
+
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/convert/discount/DiscountActivityConvert.java

@@ -2,18 +2,15 @@ package cn.iocoder.yudao.module.promotion.convert.discount;
 
 import cn.hutool.core.util.ObjectUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
-import cn.iocoder.yudao.framework.common.util.collection.MapUtils;
+import cn.iocoder.yudao.module.promotion.api.discount.dto.DiscountProductRespDTO;
 import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.*;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.discount.DiscountActivityDO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.discount.DiscountProductDO;
 import cn.iocoder.yudao.module.promotion.enums.common.PromotionDiscountTypeEnum;
-import cn.iocoder.yudao.module.promotion.service.discount.bo.DiscountProductDetailBO;
 import org.mapstruct.Mapper;
 import org.mapstruct.factory.Mappers;
 
 import java.util.List;
-import java.util.Map;
 
 /**
  * 限时折扣活动 Convert
@@ -33,20 +30,10 @@ public interface DiscountActivityConvert {
 
     List<DiscountActivityRespVO> convertList(List<DiscountActivityDO> list);
 
+    List<DiscountProductRespDTO> convertList02(List<DiscountProductDO> list);
+
     PageResult<DiscountActivityRespVO> convertPage(PageResult<DiscountActivityDO> page);
 
-    DiscountProductDetailBO convert(DiscountProductDO product);
-
-    default List<DiscountProductDetailBO> convertList(List<DiscountProductDO> products, Map<Long, DiscountActivityDO> activityMap) {
-        return CollectionUtils.convertList(products, product -> {
-            DiscountProductDetailBO detail = convert(product);
-            MapUtils.findAndThen(activityMap, product.getActivityId(), activity -> {
-                detail.setActivityName(activity.getName());
-            });
-            return detail;
-        });
-    }
-
     DiscountProductDO convert(DiscountActivityBaseVO.Product bean);
 
     DiscountActivityDetailRespVO convert(DiscountActivityDO activity, List<DiscountProductDO> products);
@@ -99,4 +86,5 @@ public interface DiscountActivityConvert {
         return true;
     }
 
+
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/dataobject/discount/DiscountActivityDO.java

@@ -1,7 +1,7 @@
 package cn.iocoder.yudao.module.promotion.dal.dataobject.discount;
 
+import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
 import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
-import cn.iocoder.yudao.module.promotion.enums.common.PromotionActivityStatusEnum;
 import com.baomidou.mybatisplus.annotation.KeySequence;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
@@ -33,10 +33,13 @@ public class DiscountActivityDO extends BaseDO {
      * 活动标题
      */
     private String name;
+    // TODO 芋艿：状态调整，只有开启和关闭；
     /**
      * 状态
      *
-     * 枚举 {@link PromotionActivityStatusEnum}
+     * 枚举 {@link CommonStatusEnum}
+     *
+     * 活动被关闭后，不允许再次开启。
      */
     private Integer status;
     /**

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/dataobject/discount/DiscountProductDO.java

@@ -24,12 +24,15 @@ public class DiscountProductDO extends BaseDO {
      */
     @TableId
     private Long id;
+
+    // TODO 芋艿：把 activity 所有的字段冗余过来
     /**
      * 限时折扣活动的编号
      *
      * 关联 {@link DiscountActivityDO#getId()}
      */
     private Long activityId;
+
     /**
      * 商品 SPU 编号
      *

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/dataobject/reward/RewardActivityDO.java

@@ -38,6 +38,7 @@ public class RewardActivityDO extends BaseDO {
      * 活动标题
      */
     private String name;
+    // TODO @芋艿：改成开启、禁用两种状态
     /**
      * 状态
      *

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/discount/DiscountActivityService.java

@@ -6,12 +6,10 @@ import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountAc
 import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountActivityUpdateReqVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.discount.DiscountActivityDO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.discount.DiscountProductDO;
-import cn.iocoder.yudao.module.promotion.service.discount.bo.DiscountProductDetailBO;
 
 import javax.validation.Valid;
 import java.util.Collection;
 import java.util.List;
-import java.util.Map;
 
 /**
  * 限时折扣 Service 接口
@@ -28,7 +26,7 @@ public interface DiscountActivityService {
      * @param skuIds SKU 编号数组
      * @return 匹配的限时折扣商品
      */
-    Map<Long, DiscountProductDetailBO> getMatchDiscountProducts(Collection<Long> skuIds);
+    List<DiscountProductDO> getMatchDiscountProductList(Collection<Long> skuIds);
 
     /**
      * 创建限时折扣活动

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/discount/DiscountActivityServiceImpl.java

@@ -3,7 +3,6 @@ package cn.iocoder.yudao.module.promotion.service.discount;
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.collection.CollectionUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
 import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountActivityBaseVO;
 import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountActivityCreateReqVO;
 import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountActivityPageReqVO;
@@ -14,18 +13,17 @@ import cn.iocoder.yudao.module.promotion.dal.dataobject.discount.DiscountProduct
 import cn.iocoder.yudao.module.promotion.dal.mysql.discount.DiscountActivityMapper;
 import cn.iocoder.yudao.module.promotion.dal.mysql.discount.DiscountProductMapper;
 import cn.iocoder.yudao.module.promotion.enums.common.PromotionActivityStatusEnum;
-import cn.iocoder.yudao.module.promotion.service.discount.bo.DiscountProductDetailBO;
 import cn.iocoder.yudao.module.promotion.util.PromotionUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
 import javax.annotation.Resource;
-import java.util.*;
+import java.util.Collection;
+import java.util.List;
 
 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.framework.common.util.collection.CollectionUtils.convertList;
 import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
-import static java.util.Arrays.asList;
 
 /**
  * 限时折扣 Service 实现类
@@ -42,9 +40,9 @@ public class DiscountActivityServiceImpl implements DiscountActivityService {
     private DiscountProductMapper discountProductMapper;
 
     @Override
-    public Map<Long, DiscountProductDetailBO> getMatchDiscountProducts(Collection<Long> skuIds) {
-        List<DiscountProductDetailBO> discountProducts = getRewardProductListBySkuIds(skuIds, singleton(PromotionActivityStatusEnum.RUN.getStatus()));
-        return convertMap(discountProducts, DiscountProductDetailBO::getSkuId);
+    public List<DiscountProductDO> getMatchDiscountProductList(Collection<Long> skuIds) {
+        // TODO 芋艿：开启、满足 skuId、日期内
+        return null;
     }
 
     @Override
@@ -101,6 +99,7 @@ public class DiscountActivityServiceImpl implements DiscountActivityService {
         }
     }
 
+    // TODO 芋艿：校验逻辑简化，只查询时间冲突的活动，开启状态的。
     /**
      * 校验商品是否冲突
      *
@@ -112,9 +111,10 @@ public class DiscountActivityServiceImpl implements DiscountActivityService {
             return;
         }
         // 查询商品参加的活动
-        List<DiscountProductDetailBO> discountActivityProductList = getRewardProductListBySkuIds(
-                convertSet(products, DiscountActivityBaseVO.Product::getSkuId),
-                asList(PromotionActivityStatusEnum.WAIT.getStatus(), PromotionActivityStatusEnum.RUN.getStatus()));
+        List<DiscountProductDO> discountActivityProductList = null;
+//                getRewardProductListBySkuIds(
+//                convertSet(products, DiscountActivityBaseVO.Product::getSkuId),
+//                asList(PromotionActivityStatusEnum.WAIT.getStatus(), PromotionActivityStatusEnum.RUN.getStatus()));
         if (id != null) { // 排除自己这个活动
             discountActivityProductList.removeIf(product -> id.equals(product.getActivityId()));
         }
@@ -124,24 +124,6 @@ public class DiscountActivityServiceImpl implements DiscountActivityService {
         }
     }
 
-    private List<DiscountProductDetailBO> getRewardProductListBySkuIds(Collection<Long> skuIds,
-                                                                       Collection<Integer> statuses) {
-        // 查询商品
-        List<DiscountProductDO> products = discountProductMapper.selectListBySkuId(skuIds);
-        if (CollUtil.isEmpty(products)) {
-            return new ArrayList<>(0);
-        }
-
-        // 查询活动
-        List<DiscountActivityDO> activities = discountActivityMapper.selectBatchIds(skuIds);
-        activities.removeIf(activity -> !statuses.contains(activity.getStatus())); // 移除不满足 statuses 状态的
-        Map<Long, DiscountActivityDO> activityMap = CollectionUtils.convertMap(activities, DiscountActivityDO::getId);
-
-        // 移除不满足活动的商品
-        products.removeIf(product -> !activityMap.containsKey(product.getActivityId()));
-        return DiscountActivityConvert.INSTANCE.convertList(products, activityMap);
-    }
-
     @Override
     public void closeRewardActivity(Long id) {
         // 校验存在
@@ -153,7 +135,7 @@ public class DiscountActivityServiceImpl implements DiscountActivityService {
             throw exception(DISCOUNT_ACTIVITY_CLOSE_FAIL_STATUS_END);
         }
 
-        // 更新
+        // 更新为关闭。
         DiscountActivityDO updateObj = new DiscountActivityDO().setId(id).setStatus(PromotionActivityStatusEnum.CLOSE.getStatus());
         discountActivityMapper.updateById(updateObj);
     }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/price/PriceService.java

@@ -2,7 +2,6 @@ package cn.iocoder.yudao.module.promotion.service.price;
 
 import cn.iocoder.yudao.module.promotion.api.price.dto.CouponMeetRespDTO;
 import cn.iocoder.yudao.module.promotion.api.price.dto.PriceCalculateReqDTO;
-import cn.iocoder.yudao.module.promotion.api.price.dto.PriceCalculateRespDTO;
 
 import java.util.List;
 
@@ -13,14 +12,6 @@ import java.util.List;
  */
 public interface PriceService {
 
-    /**
-     * 计算商品的价格
-     *
-     * @param calculateReqDTO 价格请求
-     * @return 价格响应
-     */
-    PriceCalculateRespDTO calculatePrice(PriceCalculateReqDTO calculateReqDTO);
-
     /**
      * 获得优惠劵的匹配信息列表
      *

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/price/PriceServiceImpl.java

@@ -1,39 +1,25 @@
 package cn.iocoder.yudao.module.promotion.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.exception.ServiceException;
 import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
-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.price.dto.CouponMeetRespDTO;
 import cn.iocoder.yudao.module.promotion.api.price.dto.PriceCalculateReqDTO;
 import cn.iocoder.yudao.module.promotion.api.price.dto.PriceCalculateRespDTO;
 import cn.iocoder.yudao.module.promotion.convert.price.PriceConvert;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponDO;
-import cn.iocoder.yudao.module.promotion.dal.dataobject.reward.RewardActivityDO;
-import cn.iocoder.yudao.module.promotion.enums.common.*;
 import cn.iocoder.yudao.module.promotion.enums.coupon.CouponStatusEnum;
 import cn.iocoder.yudao.module.promotion.service.coupon.CouponService;
-import cn.iocoder.yudao.module.promotion.service.discount.DiscountActivityService;
-import cn.iocoder.yudao.module.promotion.service.discount.bo.DiscountProductDetailBO;
-import cn.iocoder.yudao.module.promotion.service.reward.RewardActivityService;
-import com.google.common.base.Suppliers;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
 import javax.annotation.Resource;
-import java.util.*;
-import java.util.function.Supplier;
+import java.util.Collections;
+import java.util.List;
 
-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 cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
-import static java.util.Collections.singletonList;
+import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.COUPON_VALID_TIME_NOT_NOW;
 
 /**
  * 价格计算 Service 实现类
@@ -54,43 +40,14 @@ import static java.util.Collections.singletonList;
 @Slf4j
 public class PriceServiceImpl implements PriceService {
 
-    @Resource
-    private DiscountActivityService discountService;
-    @Resource
-    private RewardActivityService rewardActivityService;
     @Resource
     private CouponService couponService;
 
-    @Resource
-    private ProductSkuApi productSkuApi;
-
-    @Override
-    public PriceCalculateRespDTO calculatePrice(PriceCalculateReqDTO calculateReqDTO) {
-        // 获得商品 SKU 数组
-        List<ProductSkuRespDTO> skuList = checkSkus(calculateReqDTO);
-        // 初始化 PriceCalculateRespDTO 对象
-        PriceCalculateRespDTO priceCalculate = PriceConvert.INSTANCE.convert(calculateReqDTO, skuList);
-
-        // 计算商品级别的价格
-        calculatePriceForSkuLevel(calculateReqDTO.getUserId(), priceCalculate);
-        // 计算订单级别的价格
-        calculatePriceForOrderLevel(calculateReqDTO.getUserId(), priceCalculate);
-        // 计算优惠劵级别的价格
-        calculatePriceForCouponLevel(calculateReqDTO.getUserId(), calculateReqDTO.getCouponId(), priceCalculate);
-
-        // 如果最终支付金额小于等于 0，则抛出业务异常
-        if (priceCalculate.getOrder().getPayPrice() <= 0) {
-            log.error("[calculatePrice][价格计算不正确，请求 calculateReqDTO({})，结果 priceCalculate({})]",
-                    calculateReqDTO, priceCalculate);
-            throw exception(PRICE_CALCULATE_PAY_PRICE_ILLEGAL);
-        }
-        return priceCalculate;
-    }
-
     @Override
     public List<CouponMeetRespDTO> getMeetCouponList(PriceCalculateReqDTO calculateReqDTO) {
         // 先计算一轮价格
-        PriceCalculateRespDTO priceCalculate = calculatePrice(calculateReqDTO);
+//        PriceCalculateRespDTO priceCalculate = calculatePrice(calculateReqDTO);
+        PriceCalculateRespDTO priceCalculate = null;
 
         // 获得用户的待使用优惠劵
         List<CouponDO> couponList = couponService.getCouponList(calculateReqDTO.getUserId(), CouponStatusEnum.UNUSED.getStatus());
@@ -106,7 +63,9 @@ public class PriceServiceImpl implements PriceService {
                 couponService.validCoupon(coupon);
 
                 // 获得匹配的商品 SKU 数组
-                List<PriceCalculateRespDTO.OrderItem> orderItems = getMatchCouponOrderItems(priceCalculate, coupon);
+                // TODO 芋艿：后续处理
+//                List<PriceCalculateRespDTO.OrderItem> orderItems = getMatchCouponOrderItems(priceCalculate, coupon);
+                List<PriceCalculateRespDTO.OrderItem> orderItems = null;
                 if (CollUtil.isEmpty(orderItems)) {
                     return couponMeetRespDTO.setMeet(false).setMeetTip("所结算商品没有符合条件的商品");
                 }
@@ -134,413 +93,4 @@ public class PriceServiceImpl implements PriceService {
         });
     }
 
-    private List<ProductSkuRespDTO> checkSkus(PriceCalculateReqDTO calculateReqDTO) {
-        // 获得商品 SKU 数组
-        Map<Long, Integer> skuIdCountMap = CollectionUtils.convertMap(calculateReqDTO.getItems(),
-                PriceCalculateReqDTO.Item::getSkuId, PriceCalculateReqDTO.Item::getCount);
-        List<ProductSkuRespDTO> skus = productSkuApi.getSkuList(skuIdCountMap.keySet());
-
-        // 校验商品 SKU
-        skus.forEach(sku -> {
-            Integer count = skuIdCountMap.get(sku.getId());
-            if (count == null) {
-                throw exception(SKU_NOT_EXISTS);
-            }
-            // 不校验库存不足，避免购物车场景，商品无货的情况
-        });
-        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 {@link cn.iocoder.yudao.module.promotion.dal.dataobject.discount.DiscountActivityDO}
-     *
-     * 其中，会员折扣、限时折扣取最低价
-     *
-     * @param userId 用户编号
-     * @param priceCalculate 价格计算的结果
-     */
-    private void calculatePriceForSkuLevel(Long userId, PriceCalculateRespDTO priceCalculate) {
-        // 获取 SKU 级别的所有优惠信息
-        Supplier<Double> memberDiscountPercentSupplier = getMemberDiscountPercentSupplier(userId);
-        Map<Long, DiscountProductDetailBO> discountProducts = discountService.getMatchDiscountProducts(
-                convertSet(priceCalculate.getOrder().getItems(), PriceCalculateRespDTO.OrderItem::getSkuId));
-
-        // 处理每个 SKU 的优惠
-        priceCalculate.getOrder().getItems().forEach(orderItem -> {
-            // 获取该 SKU 的优惠信息
-            Double memberDiscountPercent = memberDiscountPercentSupplier.get();
-            DiscountProductDetailBO discountProduct = discountProducts.get(orderItem.getSkuId());
-            if (memberDiscountPercent == null && discountProduct == null) {
-                return;
-            }
-            // 计算价格，判断选择哪个折扣
-            Integer memberPrice = memberDiscountPercent != null ? (int) (orderItem.getPayPrice() * memberDiscountPercent / 100) : null;
-            Integer promotionPrice = discountProduct != null ? getDiscountProductPrice(discountProduct, orderItem) : null;
-            if (memberPrice == null) {
-                calculatePriceByDiscountActivity(priceCalculate, orderItem, discountProduct, promotionPrice);
-            } else if (promotionPrice == null) {
-                calculatePriceByMemberDiscount(priceCalculate, orderItem, memberPrice);
-            } else if (memberPrice < promotionPrice) {
-                calculatePriceByDiscountActivity(priceCalculate, orderItem, discountProduct, promotionPrice);
-            } else {
-                calculatePriceByMemberDiscount(priceCalculate, orderItem, memberPrice);
-            }
-        });
-    }
-
-    private Integer getDiscountProductPrice(DiscountProductDetailBO discountProduct,
-                                            PriceCalculateRespDTO.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;
-    }
-
-    private void calculatePriceByMemberDiscount(PriceCalculateRespDTO priceCalculate, PriceCalculateRespDTO.OrderItem orderItem,
-                                                Integer memberPrice) {
-        // 记录优惠明细
-        addPromotion(priceCalculate, orderItem, null, PromotionTypeEnum.MEMBER.getName(),
-                PromotionTypeEnum.MEMBER.getType(), PromotionLevelEnum.SKU.getLevel(), memberPrice,
-                true, StrUtil.format("会员折扣：省 {} 元", formatPrice(orderItem.getPayPrice() - memberPrice)));
-        // 修改 SKU 的优惠
-        modifyOrderItemPayPrice(orderItem, memberPrice, priceCalculate);
-    }
-
-    private void calculatePriceByDiscountActivity(PriceCalculateRespDTO priceCalculate, PriceCalculateRespDTO.OrderItem orderItem,
-                                                  DiscountProductDetailBO discountProduct, Integer promotionPrice) {
-        // 记录优惠明细
-        addPromotion(priceCalculate, orderItem, discountProduct.getActivityId(), discountProduct.getActivityName(),
-                PromotionTypeEnum.DISCOUNT_ACTIVITY.getType(), PromotionLevelEnum.SKU.getLevel(), promotionPrice,
-                true, StrUtil.format("限时折扣：省 {} 元", formatPrice(orderItem.getPayPrice() - promotionPrice)));
-        // 修改 SKU 的优惠
-        modifyOrderItemPayPrice(orderItem, promotionPrice, priceCalculate);
-    }
-
-    // TODO 芋艿：提前实现
-    private Supplier<Double> getMemberDiscountPercentSupplier(Long userId) {
-        return Suppliers.memoize(() -> {
-            if (userId == 1) {
-                return 90d;
-            }
-            if (userId == 2) {
-                return 80d;
-            }
-            return null; // 无优惠
-        });
-    }
-
-    // ========== 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.promotion.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 = rewardActivityService.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则
-        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
-        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则
-     *
-     * @param rewardActivity 满减送活动
-     * @param orderItems 商品项
-     * @return 匹配的活动规则
-     */
-    private RewardActivityDO.Rule getLastMatchRewardActivityRule(RewardActivityDO rewardActivity,
-                                                                 List<PriceCalculateRespDTO.OrderItem> orderItems) {
-        Integer count = 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 = 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
-    }
-
-    // ========== 计算优惠劵级别的价格 ==========
-
-    private void calculatePriceForCouponLevel(Long userId, Long couponId, PriceCalculateRespDTO priceCalculate) {
-        // 校验优惠劵
-        if (couponId == null) {
-            return;
-        }
-        CouponDO coupon = couponService.validCoupon(couponId, userId);
-
-        // 获得匹配的商品 SKU 数组
-        List<PriceCalculateRespDTO.OrderItem> orderItems = getMatchCouponOrderItems(priceCalculate, coupon);
-        if (CollUtil.isEmpty(orderItems)) {
-            throw exception(COUPON_NO_MATCH_SPU);
-        }
-
-        // 计算是否满足优惠劵的使用金额
-        Integer originPrice = getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum);
-        assert originPrice != null;
-        if (originPrice < coupon.getUsePrice()) {
-            throw exception(COUPON_NO_MATCH_MIN_PRICE);
-        }
-
-        // 计算可以优惠的金额
-        priceCalculate.getOrder().setCouponId(couponId);
-        Integer couponPrice = getCouponPrice(coupon, originPrice);
-        // 分摊金额
-        List<Integer> couponPartPrices = dividePrice(orderItems, couponPrice);
-        // 记录优惠明细
-        addPromotion(priceCalculate, orderItems, coupon.getId(), coupon.getName(),
-                PromotionTypeEnum.COUPON.getType(), PromotionLevelEnum.COUPON.getLevel(), couponPartPrices,
-                true, StrUtil.format("优惠劵：省 {} 元", formatPrice(couponPrice)));
-        // 修改 SKU 的分摊
-        for (int i = 0; i < orderItems.size(); i++) {
-            modifyOrderItemOrderPartPriceFromCouponPrice(orderItems.get(i), couponPartPrices.get(i), priceCalculate);
-        }
-    }
-
-    private List<PriceCalculateRespDTO.OrderItem> getMatchCouponOrderItems(PriceCalculateRespDTO priceCalculate,
-                                                                           CouponDO coupon) {
-        if (PromotionProductScopeEnum.ALL.getScope().equals(coupon.getProductScope())) {
-            return priceCalculate.getOrder().getItems();
-        }
-        return CollectionUtils.filterList(priceCalculate.getOrder().getItems(),
-                orderItem -> coupon.getProductSpuIds().contains(orderItem.getSpuId()));
-    }
-
-    private Integer getCouponPrice(CouponDO coupon, Integer originPrice) {
-        if (PromotionDiscountTypeEnum.PRICE.getType().equals(coupon.getDiscountType())) { // 减价
-            return coupon.getDiscountPrice();
-        } else if (PromotionDiscountTypeEnum.PERCENT.getType().equals(coupon.getDiscountType())) { // 打折
-            int couponPrice = originPrice * coupon.getDiscountPercent() / 100;
-            return coupon.getDiscountLimitPrice() == null ? couponPrice
-                    : Math.min(couponPrice, coupon.getDiscountLimitPrice()); // 优惠上限
-        }
-        throw new IllegalArgumentException(String.format("优惠劵(%s) 的优惠类型不正确", coupon));
-    }
-
-    // ========== 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)
-                .setTotalPrice(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)
-                .setTotalPrice(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 = getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum);
-        PriceCalculateRespDTO.Promotion promotion = new PriceCalculateRespDTO.Promotion()
-                .setId(id).setName(name).setType(type).setLevel(level)
-                .setTotalPrice(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) {
-        // diffPayPrice 等于额外增加的商品级的优惠
-        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
-        PriceCalculateRespDTO.Order order = priceCalculate.getOrder();
-        order.setPayPrice(order.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 discountPrice 价格
-     * @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);
-    }
-
-    /**
-     * 修改 OrderItem 的 orderPartPrice 价格，同时会修改 Order 的 couponPrice 价格
-     *
-     * 本质：分摊 Order 的 couponPrice 价格，到对应的 OrderItem 的 orderPartPrice 价格中
-     *
-     * @param orderItem 订单商品 SKU
-     * @param addOrderPartPrice 新增的 couponPrice 价格
-     * @param priceCalculate 价格计算结果
-     */
-    private void modifyOrderItemOrderPartPriceFromCouponPrice(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.setCouponPrice(order.getCouponPrice() + 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);
-    }
-
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/reward/RewardActivityService.java

@@ -1,14 +1,15 @@
 package cn.iocoder.yudao.module.promotion.service.reward;
 
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.promotion.api.reward.dto.RewardActivityMatchRespDTO;
 import cn.iocoder.yudao.module.promotion.controller.admin.reward.vo.RewardActivityCreateReqVO;
 import cn.iocoder.yudao.module.promotion.controller.admin.reward.vo.RewardActivityPageReqVO;
 import cn.iocoder.yudao.module.promotion.controller.admin.reward.vo.RewardActivityUpdateReqVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.reward.RewardActivityDO;
 
 import javax.validation.Valid;
-import java.util.Map;
-import java.util.Set;
+import java.util.Collection;
+import java.util.List;
 
 /**
  * 满减送活动 Service 接口
@@ -66,8 +67,8 @@ public interface RewardActivityService {
      * 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
+     * @return 满减送活动列表
      */
-    Map<RewardActivityDO, Set<Long>> getMatchRewardActivities(Set<Long> spuIds);
+    List<RewardActivityMatchRespDTO> getMatchRewardActivityList(Collection<Long> spuIds);
 
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/reward/RewardActivityServiceImpl.java

@@ -1,8 +1,8 @@
 package cn.iocoder.yudao.module.promotion.service.reward;
 
 import cn.hutool.core.collection.CollUtil;
-import cn.hutool.core.map.MapUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.promotion.api.reward.dto.RewardActivityMatchRespDTO;
 import cn.iocoder.yudao.module.promotion.controller.admin.reward.vo.RewardActivityCreateReqVO;
 import cn.iocoder.yudao.module.promotion.controller.admin.reward.vo.RewardActivityPageReqVO;
 import cn.iocoder.yudao.module.promotion.controller.admin.reward.vo.RewardActivityUpdateReqVO;
@@ -10,7 +10,6 @@ import cn.iocoder.yudao.module.promotion.convert.reward.RewardActivityConvert;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.reward.RewardActivityDO;
 import cn.iocoder.yudao.module.promotion.dal.mysql.reward.RewardActivityMapper;
 import cn.iocoder.yudao.module.promotion.enums.common.PromotionActivityStatusEnum;
-import cn.iocoder.yudao.module.promotion.enums.common.PromotionProductScopeEnum;
 import cn.iocoder.yudao.module.promotion.util.PromotionUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
@@ -18,15 +17,10 @@ import org.springframework.validation.annotation.Validated;
 import javax.annotation.Resource;
 import java.util.Collection;
 import java.util.List;
-import java.util.Map;
-import java.util.Set;
 
-import static cn.hutool.core.collection.CollUtil.intersectionDistinct;
 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.module.promotion.enums.ErrorCodeConstants.*;
 import static java.util.Arrays.asList;
-import static java.util.Collections.singleton;
 
 /**
  * 满减送活动 Service 实现类
@@ -105,6 +99,7 @@ public class RewardActivityServiceImpl implements RewardActivityService {
         return activity;
     }
 
+    // TODO @芋艿：逻辑有问题，需要优化；要分成全场、和指定来校验；
     /**
      * 校验商品参加的活动是否冲突
      *
@@ -151,19 +146,21 @@ public class RewardActivityServiceImpl implements RewardActivityService {
     }
 
     @Override
-    public Map<RewardActivityDO, Set<Long>> getMatchRewardActivities(Set<Long> spuIds) {
-        // 如果有全局活动，则直接选择它
-        List<RewardActivityDO> allActivities = rewardActivityMapper.selectListByProductScopeAndStatus(
-                PromotionProductScopeEnum.ALL.getScope(), PromotionActivityStatusEnum.RUN.getStatus());
-        if (CollUtil.isNotEmpty(allActivities)) {
-            return MapUtil.builder(allActivities.get(0), spuIds).build();
-        }
-
-        // 查询某个活动参加的活动
-        List<RewardActivityDO> productActivityList = getRewardActivityListBySpuIds(spuIds,
-                singleton(PromotionActivityStatusEnum.RUN.getStatus()));
-        return convertMap(productActivityList, activity -> activity,
-                rewardActivityDO -> intersectionDistinct(rewardActivityDO.getProductSpuIds(), spuIds)); // 求交集返回
+    public List<RewardActivityMatchRespDTO> getMatchRewardActivityList(Collection<Long> spuIds) {
+        // TODO 芋艿：待实现；先指定，然后再全局的；
+//        // 如果有全局活动，则直接选择它
+//        List<RewardActivityDO> allActivities = rewardActivityMapper.selectListByProductScopeAndStatus(
+//                PromotionProductScopeEnum.ALL.getScope(), PromotionActivityStatusEnum.RUN.getStatus());
+//        if (CollUtil.isNotEmpty(allActivities)) {
+//            return MapUtil.builder(allActivities.get(0), spuIds).build();
+//        }
+//
+//        // 查询某个活动参加的活动
+//        List<RewardActivityDO> productActivityList = getRewardActivityListBySpuIds(spuIds,
+//                singleton(PromotionActivityStatusEnum.RUN.getStatus()));
+//        return convertMap(productActivityList, activity -> activity,
+//                rewardActivityDO -> intersectionDistinct(rewardActivityDO.getProductSpuIds(), spuIds)); // 求交集返回
+        return null;
     }
 
 }

yudao-module-mall/yudao-module-promotion-biz/src/test/java/cn/iocoder/yudao/module/promotion/service/price/PriceServiceTest.java

@@ -96,8 +96,8 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
         assertEquals(promotion.getLevel(), PromotionLevelEnum.SKU.getLevel());
         assertEquals(promotion.getTotalPrice(), 200);
         assertEquals(promotion.getDiscountPrice(), 20);
-        assertTrue(promotion.getMeet());
-        assertEquals(promotion.getMeetTip(), "会员折扣：省 0.20 元");
+        assertTrue(promotion.getMatch());
+        assertEquals(promotion.getDescription(), "会员折扣：省 0.20 元");
         PriceCalculateRespDTO.PromotionItem promotionItem = promotion.getItems().get(0);
         assertEquals(promotion.getItems().size(), 1);
         assertEquals(promotionItem.getSkuId(), 10L);
@@ -122,7 +122,7 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
         DiscountProductDetailBO discountProduct02 = randomPojo(DiscountProductDetailBO.class, o -> o.setActivityId(2000L)
                 .setActivityName("活动 2000 号").setSkuId(20L)
                 .setDiscountType(PromotionDiscountTypeEnum.PERCENT.getType()).setDiscountPercent(60));
-        when(discountService.getMatchDiscountProducts(eq(asSet(10L, 20L)))).thenReturn(
+        when(discountService.getMatchDiscountProductList(eq(asSet(10L, 20L)))).thenReturn(
                 MapUtil.builder(10L, discountProduct01).put(20L, discountProduct02).map());
 
         // 10L: 100 * 2 - 40 * 2 = 120
@@ -167,8 +167,8 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
         assertEquals(promotion01.getLevel(), PromotionLevelEnum.SKU.getLevel());
         assertEquals(promotion01.getTotalPrice(), 200);
         assertEquals(promotion01.getDiscountPrice(), 80);
-        assertTrue(promotion01.getMeet());
-        assertEquals(promotion01.getMeetTip(), "限时折扣：省 0.80 元");
+        assertTrue(promotion01.getMatch());
+        assertEquals(promotion01.getDescription(), "限时折扣：省 0.80 元");
         PriceCalculateRespDTO.PromotionItem promotionItem01 = promotion01.getItems().get(0);
         assertEquals(promotion01.getItems().size(), 1);
         assertEquals(promotionItem01.getSkuId(), 10L);
@@ -181,8 +181,8 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
         assertEquals(promotion02.getLevel(), PromotionLevelEnum.SKU.getLevel());
         assertEquals(promotion02.getTotalPrice(), 150);
         assertEquals(promotion02.getDiscountPrice(), 60);
-        assertTrue(promotion02.getMeet());
-        assertEquals(promotion02.getMeetTip(), "限时折扣：省 0.60 元");
+        assertTrue(promotion02.getMatch());
+        assertEquals(promotion02.getDescription(), "限时折扣：省 0.60 元");
         PriceCalculateRespDTO.PromotionItem promotionItem02 = promotion02.getItems().get(0);
         assertEquals(promotion02.getItems().size(), 1);
         assertEquals(promotionItem02.getSkuId(), 20L);
@@ -267,8 +267,8 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
         assertEquals(promotion01.getLevel(), PromotionLevelEnum.ORDER.getLevel());
         assertEquals(promotion01.getTotalPrice(), 350);
         assertEquals(promotion01.getDiscountPrice(), 70);
-        assertTrue(promotion01.getMeet());
-        assertEquals(promotion01.getMeetTip(), "满减送：省 0.70 元");
+        assertTrue(promotion01.getMatch());
+        assertEquals(promotion01.getDescription(), "满减送：省 0.70 元");
         assertEquals(promotion01.getItems().size(), 2);
         PriceCalculateRespDTO.PromotionItem promotionItem011 = promotion01.getItems().get(0);
         assertEquals(promotionItem011.getSkuId(), 10L);
@@ -286,8 +286,8 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
         assertEquals(promotion02.getLevel(), PromotionLevelEnum.ORDER.getLevel());
         assertEquals(promotion02.getTotalPrice(), 120);
         assertEquals(promotion02.getDiscountPrice(), 60);
-        assertTrue(promotion02.getMeet());
-        assertEquals(promotion02.getMeetTip(), "满减送：省 0.60 元");
+        assertTrue(promotion02.getMatch());
+        assertEquals(promotion02.getDescription(), "满减送：省 0.60 元");
         PriceCalculateRespDTO.PromotionItem promotionItem02 = promotion02.getItems().get(0);
         assertEquals(promotion02.getItems().size(), 1);
         assertEquals(promotionItem02.getSkuId(), 30L);
@@ -355,8 +355,8 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
         assertEquals(promotion01.getLevel(), PromotionLevelEnum.ORDER.getLevel());
         assertEquals(promotion01.getTotalPrice(), 350);
         assertEquals(promotion01.getDiscountPrice(), 0);
-        assertFalse(promotion01.getMeet());
-        assertEquals(promotion01.getMeetTip(), "TODO"); // TODO 芋艿：后面再想想
+        assertFalse(promotion01.getMatch());
+        assertEquals(promotion01.getDescription(), "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);
@@ -437,8 +437,8 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
         assertEquals(promotion01.getLevel(), PromotionLevelEnum.COUPON.getLevel());
         assertEquals(promotion01.getTotalPrice(), 350);
         assertEquals(promotion01.getDiscountPrice(), 70);
-        assertTrue(promotion01.getMeet());
-        assertEquals(promotion01.getMeetTip(), "优惠劵：省 0.70 元");
+        assertTrue(promotion01.getMatch());
+        assertEquals(promotion01.getDescription(), "优惠劵：省 0.70 元");
         assertEquals(promotion01.getItems().size(), 2);
         PriceCalculateRespDTO.PromotionItem promotionItem011 = promotion01.getItems().get(0);
         assertEquals(promotionItem011.getSkuId(), 10L);

yudao-module-mall/yudao-module-trade-api/src/main/java/cn/iocoder/yudao/module/trade/enums/ErrorCodeConstants.java

@@ -50,4 +50,8 @@ public interface ErrorCodeConstants {
     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");
+
+    // ========== 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");
+
 }

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/DeliveryExpressController.java

@@ -4,7 +4,8 @@ import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
 import cn.iocoder.yudao.framework.operatelog.core.annotations.OperateLog;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.*;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.*;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressUpdateReqVO;
 import cn.iocoder.yudao.module.trade.convert.delivery.DeliveryExpressConvert;
 import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressDO;
 import cn.iocoder.yudao.module.trade.service.delivery.DeliveryExpressService;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/DeliveryExpressTemplateController.java

@@ -1,31 +1,25 @@
 package cn.iocoder.yudao.module.trade.controller.admin.delivery;
 
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.*;
+import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate.*;
 import cn.iocoder.yudao.module.trade.convert.delivery.DeliveryExpressTemplateConvert;
 import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemplateDO;
 import cn.iocoder.yudao.module.trade.service.delivery.DeliveryExpressTemplateService;
-import org.springframework.web.bind.annotation.*;
-import javax.annotation.Resource;
-import org.springframework.validation.annotation.Validated;
-import org.springframework.security.access.prepost.PreAuthorize;
-import io.swagger.v3.oas.annotations.tags.Tag;
-import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
 
-import javax.validation.*;
-import javax.servlet.http.*;
-import java.util.*;
-import java.io.IOException;
+import javax.annotation.Resource;
+import javax.validation.Valid;
+import java.util.Collection;
+import java.util.List;
 
-import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 
-import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
-
-import cn.iocoder.yudao.framework.operatelog.core.annotations.OperateLog;
-import static cn.iocoder.yudao.framework.operatelog.core.enums.OperateTypeEnum.*;
-
 
 @Tag(name = "管理后台 - 快递运费模板")
 @RestController
@@ -84,4 +78,5 @@ public class DeliveryExpressTemplateController {
         PageResult<DeliveryExpressTemplateDO> pageResult = deliveryExpressTemplateService.getDeliveryExpressTemplatePage(pageVO);
         return success(DeliveryExpressTemplateConvert.INSTANCE.convertPage(pageResult));
     }
+
 }

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/express/DeliveryExpressBaseVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/express/DeliveryExpressCreateReqVO.java

@@ -1,9 +1,7 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express;
 
 import lombok.*;
-import java.util.*;
 import io.swagger.v3.oas.annotations.media.Schema;
-import javax.validation.constraints.*;
 
 @Schema(description = "管理后台 - 快递公司创建 Request VO")
 @Data

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/express/DeliveryExpressExcelVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express;
 
 import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
 import cn.iocoder.yudao.framework.excel.core.convert.DictConvert;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/express/DeliveryExpressExportReqVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/express/DeliveryExpressPageReqVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express;
 
 import lombok.*;
 import java.util.*;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/express/DeliveryExpressRespVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.*;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/express/DeliveryExpressUpdateReqVO.java

@@ -1,9 +1,11 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express;
 
 import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.*;
-import java.util.*;
-import javax.validation.constraints.*;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+import javax.validation.constraints.NotNull;
 
 @Schema(description = "管理后台 - 快递公司更新 Request VO")
 @Data

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/expresstemplate/DeliveryExpressTemplateBaseVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/expresstemplate/DeliveryExpressTemplateCreateReqVO.java

@@ -1,10 +1,13 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate;
 
-import lombok.*;
-import java.util.*;
 import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
 
 import javax.validation.Valid;
+import java.util.Collections;
+import java.util.List;
 
 @Schema(description = "管理后台 - 快递运费模板创建 Request VO")
 @Data
@@ -12,6 +15,8 @@ import javax.validation.Valid;
 @ToString(callSuper = true)
 public class DeliveryExpressTemplateCreateReqVO extends DeliveryExpressTemplateBaseVO {
 
+    // TODO @jason：不用给默认值哈
+
     @Schema(description = "区域运费列表")
     @Valid
     private List<ExpressTemplateChargeBaseVO> templateCharge = Collections.emptyList();

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/expresstemplate/DeliveryExpressTemplatePageReqVO.java

@@ -1,10 +1,12 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate;
 
-import lombok.*;
-import java.util.*;
-import io.swagger.v3.oas.annotations.media.Schema;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
 import org.springframework.format.annotation.DateTimeFormat;
+
 import java.time.LocalDateTime;
 
 import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/expresstemplate/DeliveryExpressTemplateRespVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/expresstemplate/DeliveryExpressTemplateSimpleRespVO.java

@@ -1,9 +1,10 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.*;
 import java.time.LocalDateTime;
 
+// TODO @jason：simplae 是不是不用继承 DeliveryExpressTemplateBaseVO，直接 id name 属性就够了。
 @Schema(description = "管理后台 - 快递运费模板 精简 Response VO")
 @Data
 @EqualsAndHashCode(callSuper = true)

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/expresstemplate/DeliveryExpressTemplateUpdateReqVO.java

@@ -1,10 +1,14 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate;
 
 import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.*;
-import java.util.*;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
 import javax.validation.Valid;
-import javax.validation.constraints.*;
+import javax.validation.constraints.NotNull;
+import java.util.Collections;
+import java.util.List;
 
 @Schema(description = "管理后台 - 快递运费模板更新 Request VO")
 @Data
@@ -16,6 +20,8 @@ public class DeliveryExpressTemplateUpdateReqVO extends DeliveryExpressTemplateB
     @NotNull(message = "编号不能为空")
     private Long id;
 
+    // TODO @jason：pojo 不给默认值哈
+
     @Schema(description = "区域运费列表")
     @Valid
     private List<ExpressTemplateChargeUpdateVO> templateCharge = Collections.emptyList();

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/expresstemplate/ExpressTemplateChargeBaseVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/expresstemplate/ExpressTemplateChargeUpdateVO.java

@@ -1,18 +1,22 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
-
+// TODO @jason：这个 vo 可以内嵌到 DeliveryExpressTemplateUpdateReqVO，避免 vo 过多，不好分辨
+@Schema(description = "管理后台 - 快递公司创建 Request VO")
 @Data
 public class ExpressTemplateChargeUpdateVO extends ExpressTemplateChargeBaseVO {
 
     @Schema(description = "编号", example = "6592")
     private Long id;
 
+    // TODO @jason：这几个字段，应该不通过前端传递，而是后端查询后去赋值的
+
     @Schema(description = "配送模板编号", example = "1")
     private Long templateId;
 
     @Schema(description = "配送计费方式", example = "1")
     private Integer chargeMode;
+
 }

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/expresstemplate/ExpressTemplateFreeBaseVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
@@ -24,4 +24,5 @@ public class ExpressTemplateFreeBaseVO {
     @Schema(description = "包邮件数", requiredMode = Schema.RequiredMode.REQUIRED, example = "5")
     @NotNull(message = "包邮件数不能为空")
     private Integer freeCount;
+
 }

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/delivery/vo/expresstemplate/ExpressTemplateFreeUpdateVO.java

@@ -1,8 +1,10 @@
-package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo;
+package cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
+// TODO @jason：这个 vo 可以内嵌到 DeliveryExpressTemplateUpdateReqVO，避免 vo 过多，不好分辨
+// TODO @jason：swagger 缺失
 /**
  * 快递运费模板包邮 更新 VO
  */

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/delivery/DeliveryExpressConvert.java

@@ -4,10 +4,10 @@ import java.util.*;
 
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressCreateReqVO;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressExcelVO;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressRespVO;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressUpdateReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressCreateReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressExcelVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressRespVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressUpdateReqVO;
 import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressDO;
 import org.mapstruct.Mapper;
 import org.mapstruct.factory.Mappers;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/delivery/DeliveryExpressTemplateConvert.java

@@ -1,17 +1,14 @@
 package cn.iocoder.yudao.module.trade.convert.delivery;
 
-import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.*;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate.*;
 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 org.mapstruct.Mapper;
 import org.mapstruct.factory.Mappers;
 
-import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 /**

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/delivery/DeliveryExpressMapper.java

@@ -3,8 +3,8 @@ package cn.iocoder.yudao.module.trade.dal.mysql.delivery;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
 import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressExportReqVO;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressPageReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressExportReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressPageReqVO;
 import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressDO;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import org.apache.ibatis.annotations.Mapper;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/delivery/DeliveryExpressTemplateMapper.java

@@ -4,7 +4,7 @@ package cn.iocoder.yudao.module.trade.dal.mysql.delivery;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
 import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressTemplatePageReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate.DeliveryExpressTemplatePageReqVO;
 import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemplateDO;
 import org.apache.ibatis.annotations.Mapper;
 

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/delivery/DeliveryExpressService.java

@@ -4,10 +4,10 @@ import java.util.*;
 import javax.validation.*;
 
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressCreateReqVO;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressExportReqVO;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressPageReqVO;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressUpdateReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressCreateReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressExportReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressPageReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressUpdateReqVO;
 import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressDO;
 
 /**

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/delivery/DeliveryExpressServiceImpl.java

@@ -1,10 +1,10 @@
 package cn.iocoder.yudao.module.trade.service.delivery;
 
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressCreateReqVO;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressExportReqVO;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressPageReqVO;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.DeliveryExpressUpdateReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressCreateReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressExportReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressPageReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.express.DeliveryExpressUpdateReqVO;
 import cn.iocoder.yudao.module.trade.convert.delivery.DeliveryExpressConvert;
 import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressDO;
 import cn.iocoder.yudao.module.trade.dal.mysql.delivery.DeliveryExpressMapper;

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/delivery/DeliveryExpressTemplateService.java

@@ -1,11 +1,16 @@
 package cn.iocoder.yudao.module.trade.service.delivery;
 
-import java.util.*;
-import javax.validation.*;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.*;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate.DeliveryExpressTemplateCreateReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate.DeliveryExpressTemplatePageReqVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate.DeliveryExpressTemplateRespVO;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate.DeliveryExpressTemplateUpdateReqVO;
 import cn.iocoder.yudao.module.trade.dal.dataobject.delivery.DeliveryExpressTemplateDO;
 
+import javax.validation.Valid;
+import java.util.Collection;
+import java.util.List;
+
 /**
  * 快递运费模板 Service 接口
  *

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/delivery/DeliveryExpressTemplateServiceImpl.java

@@ -2,8 +2,7 @@ package cn.iocoder.yudao.module.trade.service.delivery;
 
 import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
-import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.*;
+import cn.iocoder.yudao.module.trade.controller.admin.delivery.vo.expresstemplate.*;
 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;
@@ -18,8 +17,10 @@ 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.convertSet;
 import static cn.iocoder.yudao.module.trade.convert.delivery.DeliveryExpressTemplateConvert.INSTANCE;
-import static cn.iocoder.yudao.module.trade.enums.ErrorCodeConstants.*;
+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;
 
 /**
  * 快递运费模板 Service 实现类
@@ -42,6 +43,7 @@ public class DeliveryExpressTemplateServiceImpl implements DeliveryExpressTempla
     public Long createDeliveryExpressTemplate(DeliveryExpressTemplateCreateReqVO createReqVO) {
         // 校验模板名是否唯一
         validateTemplateNameUnique(createReqVO.getName(), null);
+
         // 插入
         DeliveryExpressTemplateDO deliveryExpressTemplate = INSTANCE.convert(createReqVO);
         expressTemplateMapper.insert(deliveryExpressTemplate);
@@ -67,6 +69,7 @@ public class DeliveryExpressTemplateServiceImpl implements DeliveryExpressTempla
         validateDeliveryExpressTemplateExists(updateReqVO.getId());
         // 校验模板名是否唯一
         validateTemplateNameUnique(updateReqVO.getName(), updateReqVO.getId());
+
         // 更新运费从表
         updateExpressTemplateCharge(updateReqVO);
         // 更新包邮从表
@@ -77,12 +80,11 @@ public class DeliveryExpressTemplateServiceImpl implements DeliveryExpressTempla
     }
 
     private void updateExpressTemplateFree(DeliveryExpressTemplateUpdateReqVO updateReqVO) {
+        // 1.1 获得新增/修改的区域列表
         List<DeliveryExpressTemplateFreeDO> oldFreeList = expressTemplateFreeMapper.selectListByTemplateId(updateReqVO.getId());
         List<ExpressTemplateFreeUpdateVO> newFreeList = updateReqVO.getTemplateFree();
-        // 新增包邮区域列表
-        List<DeliveryExpressTemplateFreeDO> addFreeList = new ArrayList<>(newFreeList.size());
-        // 更新包邮区域列表
-        List<DeliveryExpressTemplateFreeDO> updateFreeList = new ArrayList<>(newFreeList.size());
+        List<DeliveryExpressTemplateFreeDO> addFreeList = new ArrayList<>(newFreeList.size()); // 新增包邮区域列表
+        List<DeliveryExpressTemplateFreeDO> updateFreeList = new ArrayList<>(newFreeList.size()); // 更新包邮区域列表
         for (ExpressTemplateFreeUpdateVO item : newFreeList) {
             if (Objects.nonNull(item.getId())) {
                 updateFreeList.add(INSTANCE.convertTemplateFree(item));
@@ -91,30 +93,29 @@ public class DeliveryExpressTemplateServiceImpl implements DeliveryExpressTempla
                 addFreeList.add(INSTANCE.convertTemplateFree(item));
             }
         }
-        // 新增
+        // 1.2 新增
         if (CollUtil.isNotEmpty(addFreeList)) {
             expressTemplateFreeMapper.insertBatch(addFreeList);
         }
-        // 修改
+        // 1.3 修改
         if (CollUtil.isNotEmpty(updateFreeList)) {
             expressTemplateFreeMapper.updateBatch(updateFreeList);
         }
-        // 得到删除ids
-        Set<Long> deleteFreeIds = CollectionUtils.convertSet(oldFreeList, DeliveryExpressTemplateFreeDO::getId);
-        deleteFreeIds.removeAll(CollectionUtils.convertSet(updateFreeList, DeliveryExpressTemplateFreeDO::getId));
-        //删除
+
+        // 2. 删除
+        Set<Long> deleteFreeIds = convertSet(oldFreeList, DeliveryExpressTemplateFreeDO::getId);
+        deleteFreeIds.removeAll(convertSet(updateFreeList, DeliveryExpressTemplateFreeDO::getId));
         if (CollUtil.isNotEmpty(deleteFreeIds)) {
             expressTemplateFreeMapper.deleteBatchIds(deleteFreeIds);
         }
     }
 
     private void updateExpressTemplateCharge(DeliveryExpressTemplateUpdateReqVO updateReqVO) {
+        // 1.1 获得新增/修改的区域列表
         List<DeliveryExpressTemplateChargeDO> oldChargeList = expressTemplateChargeMapper.selectListByTemplateId(updateReqVO.getId());
         List<ExpressTemplateChargeUpdateVO> newChargeList = updateReqVO.getTemplateCharge();
-        // 新增运费区域列表
-        List<DeliveryExpressTemplateChargeDO> addList = new ArrayList<>(newChargeList.size());
-        // 更新运费区域列表
-        List<DeliveryExpressTemplateChargeDO> updateList = new ArrayList<>(newChargeList.size());
+        List<DeliveryExpressTemplateChargeDO> addList = new ArrayList<>(newChargeList.size()); // 新增运费区域列表
+        List<DeliveryExpressTemplateChargeDO> updateList = new ArrayList<>(newChargeList.size()); // 更新运费区域列表
         for (ExpressTemplateChargeUpdateVO item : newChargeList) {
             if (item.getId() != null) {
                 // 计费模式以主表为准
@@ -126,18 +127,18 @@ public class DeliveryExpressTemplateServiceImpl implements DeliveryExpressTempla
                 addList.add(INSTANCE.convertTemplateCharge(item));
             }
         }
-        // 新增
+        // 1.2 新增
         if (CollUtil.isNotEmpty(addList)) {
             expressTemplateChargeMapper.insertBatch(addList);
         }
-        // 修改
+        // 1.3 修改
         if (CollUtil.isNotEmpty(updateList)) {
             expressTemplateChargeMapper.updateBatch(updateList);
         }
-        // 得到删除的ids
-        Set<Long> deleteChargeIds = CollectionUtils.convertSet(oldChargeList, DeliveryExpressTemplateChargeDO::getId);
-        deleteChargeIds.removeAll(CollectionUtils.convertSet(updateList, DeliveryExpressTemplateChargeDO::getId));
-        // 删除
+
+        // 2. 删除
+        Set<Long> deleteChargeIds = convertSet(oldChargeList, DeliveryExpressTemplateChargeDO::getId);
+        deleteChargeIds.removeAll(convertSet(updateList, DeliveryExpressTemplateChargeDO::getId));
         if (CollUtil.isNotEmpty(deleteChargeIds)) {
             expressTemplateChargeMapper.deleteBatchIds(deleteChargeIds);
         }
@@ -148,6 +149,7 @@ public class DeliveryExpressTemplateServiceImpl implements DeliveryExpressTempla
     public void deleteDeliveryExpressTemplate(Long id) {
         // 校验存在
         validateDeliveryExpressTemplateExists(id);
+
         // 删除主表
         expressTemplateMapper.deleteById(id);
         // 删除运费从表
@@ -199,4 +201,5 @@ public class DeliveryExpressTemplateServiceImpl implements DeliveryExpressTempla
     public PageResult<DeliveryExpressTemplateDO> getDeliveryExpressTemplatePage(DeliveryExpressTemplatePageReqVO pageReqVO) {
         return expressTemplateMapper.selectPage(pageReqVO);
     }
+
 }

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/TradePriceService.java

@@ -0,0 +1,21 @@
+package cn.iocoder.yudao.module.trade.service.price;
+
+import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO;
+import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
+
+/**
+ * 价格计算 Service 接口
+ *
+ * @author 芋道源码
+ */
+public interface TradePriceService {
+
+    /**
+     * 价格计算
+     *
+     * @param calculateReqDTO 计算信息
+     * @return 计算结果
+     */
+    TradePriceCalculateRespBO calculatePrice(TradePriceCalculateReqBO calculateReqDTO);
+
+}

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/TradePriceServiceImpl.java

@@ -0,0 +1,73 @@
+package cn.iocoder.yudao.module.trade.service.price;
+
+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.service.price.bo.TradePriceCalculateReqBO;
+import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
+import cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceCalculator;
+import cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceCalculatorHelper;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+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.convertMap;
+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.promotion.enums.ErrorCodeConstants.PRICE_CALCULATE_PAY_PRICE_ILLEGAL;
+
+/**
+ * 价格计算 Service 实现类
+ *
+ * @author 芋道源码
+ */
+@Service
+@Slf4j
+public class TradePriceServiceImpl implements TradePriceService {
+
+    @Resource
+    private ProductSkuApi productSkuApi;
+    @Resource
+    private List<TradePriceCalculator> priceCalculators;
+
+    @Override
+    public TradePriceCalculateRespBO calculatePrice(TradePriceCalculateReqBO calculateReqBO) {
+        // 1. 获得商品 SKU 数组
+        List<ProductSkuRespDTO> skuList = checkSkus(calculateReqBO);
+
+        // 2.1 计算价格
+        TradePriceCalculateRespBO calculateRespBO = TradePriceCalculatorHelper
+                .buildCalculateResp(calculateReqBO, skuList);
+        priceCalculators.forEach(calculator -> calculator.calculate(calculateReqBO, calculateRespBO));
+        // 2.2  如果最终支付金额小于等于 0，则抛出业务异常
+        if (calculateRespBO.getPrice().getPayPrice() <= 0) {
+            log.error("[calculatePrice][价格计算不正确，请求 calculateReqDTO({})，结果 priceCalculate({})]",
+                    calculateReqBO, calculateRespBO);
+            throw exception(PRICE_CALCULATE_PAY_PRICE_ILLEGAL);
+        }
+        return calculateRespBO;
+    }
+
+    private List<ProductSkuRespDTO> checkSkus(TradePriceCalculateReqBO reqBO) {
+        // 获得商品 SKU 数组
+        Map<Long, Integer> skuIdCountMap = convertMap(reqBO.getItems(),
+                TradePriceCalculateReqBO.Item::getSkuId, TradePriceCalculateReqBO.Item::getCount);
+        List<ProductSkuRespDTO> skus = productSkuApi.getSkuList(skuIdCountMap.keySet());
+
+        // 校验商品 SKU
+        skus.forEach(sku -> {
+            Integer count = skuIdCountMap.get(sku.getId());
+            if (count == null) {
+                throw exception(SKU_NOT_EXISTS);
+            }
+            if (count > sku.getStock()) {
+                throw exception(SKU_STOCK_NOT_ENOUGH);
+            }
+        });
+        return skus;
+    }
+
+}

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/bo/TradePriceCalculateReqBO.java

@@ -0,0 +1,86 @@
+package cn.iocoder.yudao.module.trade.service.price.bo;
+
+import cn.iocoder.yudao.module.trade.enums.order.TradeOrderTypeEnum;
+import lombok.Data;
+
+import javax.validation.Valid;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.NotNull;
+import java.util.List;
+
+/**
+ * 价格计算 Request BO
+ *
+ * @author yudao源码
+ */
+@Data
+public class TradePriceCalculateReqBO {
+
+    /**
+     * 订单类型
+     *
+     * 枚举 {@link TradeOrderTypeEnum}
+     */
+    private Integer orderType;
+
+    /**
+     * 用户编号
+     *
+     * 对应 MemberUserDO 的 id 编号
+     */
+    private Long userId;
+
+    /**
+     * 优惠劵编号
+     *
+     * 对应 CouponDO 的 id 编号
+     */
+    private Long couponId;
+
+    /**
+     * 收货地址编号
+     *
+     * 对应 MemberAddressDO 的 id 编号
+     */
+    private Long addressId;
+
+    /**
+     * 商品 SKU 数组
+     */
+    @NotNull(message = "商品数组不能为空")
+    private List<Item> items;
+
+    /**
+     * 商品 SKU
+     */
+    @Data
+    @Valid
+    public static class Item {
+
+        /**
+         * SKU 编号
+         */
+        @NotNull(message = "商品 SKU 编号不能为空")
+        private Long skuId;
+
+        /**
+         * SKU 数量
+         */
+        @NotNull(message = "商品 SKU 数量不能为空")
+        @Min(value = 0L, message = "商品 SKU 数量必须大于等于 0")
+        private Integer count;
+
+        /**
+         * 购物车项的编号
+         */
+        private Long cartId;
+
+        /**
+         * 是否选中
+         */
+        @NotNull(message = "是否选中不能为空")
+        private Boolean selected;
+
+    }
+
+}

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

@@ -0,0 +1,249 @@
+package cn.iocoder.yudao.module.trade.service.price.bo;
+
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionLevelEnum;
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionTypeEnum;
+import cn.iocoder.yudao.module.trade.enums.order.TradeOrderTypeEnum;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 价格计算 Response BO
+ *
+ * 整体设计，参考 taobao 的技术文档：
+ * 1. <a href="https://developer.alibaba.com/docs/doc.htm?treeId=1&articleId=1029&docType=1">订单管理</a>
+ * 2. <a href="https://open.taobao.com/docV3.htm?docId=108471&docType=1">常用订单金额说明</a>
+ *
+ * @author 芋道源码
+ */
+@Data
+public class TradePriceCalculateRespBO {
+
+    /**
+     * 订单类型
+     *
+     * 枚举 {@link TradeOrderTypeEnum}
+     */
+    private Integer orderType;
+
+    /**
+     * 订单价格
+     */
+    private Price price;
+
+    /**
+     * 订单项数组
+     */
+    private List<OrderItem> items;
+
+    /**
+     * 营销活动数组
+     *
+     * 只对应 {@link Price#items} 商品匹配的活动
+     */
+    private List<Promotion> promotions;
+
+    /**
+     * 优惠劵编号
+     */
+    private Long couponId;
+
+    /**
+     * 订单价格
+     */
+    @Data
+    public static class Price {
+
+        /**
+         * 商品原价（总），单位：分
+         *
+         * 基于 {@link OrderItem#getPrice()} * {@link OrderItem#getCount()} 求和
+         *
+         * 对应 taobao 的 trade.total_fee 字段
+         */
+        private Integer totalPrice;
+        /**
+         * 订单优惠（总），单位：分
+         *
+         * 对应 taobao 的 order.discount_fee 字段
+         */
+        private Integer discountPrice;
+        /**
+         * 运费金额，单位：分
+         */
+        private Integer deliveryPrice;
+        /**
+         * 优惠劵减免金额（总），单位：分
+         *
+         * 对应 taobao 的 trade.coupon_fee 字段
+         */
+        private Integer couponPrice;
+        /**
+         * 积分抵扣的金额，单位：分
+         *
+         * 对应 taobao 的 trade.point_fee 字段
+         */
+        private Integer pointPrice;
+        /**
+         * 最终购买金额（总），单位：分
+         *
+         * = {@link #totalPrice}
+         * - {@link #couponPrice}
+         * - {@link #pointPrice}
+         * - {@link #discountPrice}
+         * + {@link #deliveryPrice}
+         */
+        private Integer payPrice;
+
+    }
+
+    /**
+     * 订单商品 SKU
+     */
+    @Data
+    public static class OrderItem {
+
+        /**
+         * SPU 编号
+         */
+        private Long spuId;
+        /**
+         * SKU 编号
+         */
+        private Long skuId;
+        /**
+         * 购买数量
+         */
+        private Integer count;
+        /**
+         * 购物车项的编号
+         */
+        private Long cartId;
+        /**
+         * 是否选中
+         */
+        private Boolean selected;
+
+        /**
+         * 商品原价（单），单位：分
+         *
+         * 对应 ProductSkuDO 的 price 字段
+         * 对应 taobao 的 order.price 字段
+         */
+        private Integer price;
+        /**
+         * 优惠金额（总），单位：分
+         *
+         * 对应 taobao 的 order.discount_fee 字段
+         */
+        private Integer discountPrice;
+        /**
+         * 运费金额（总），单位：分
+         */
+        private Integer deliveryPrice;
+        /**
+         * 优惠劵减免金额，单位：分
+         *
+         * 对应 taobao 的 trade.coupon_fee 字段
+         */
+        private Integer couponPrice;
+        /**
+         * 积分抵扣的金额，单位：分
+         *
+         * 对应 taobao 的 trade.point_fee 字段
+         */
+        private Integer pointPrice;
+        /**
+         * 应付金额（总），单位：分
+         *
+         * = {@link #price} * {@link #count}
+         * - {@link #couponPrice}
+         * - {@link #pointPrice}
+         * - {@link #discountPrice}
+         * + {@link #deliveryPrice}
+         */
+        private Integer payPrice;
+
+        // TODO 芋艿：这里补充下基本信息，简单一点。
+
+    }
+
+    /**
+     * 营销明细
+     */
+    @Data
+    public static class Promotion {
+
+        /**
+         * 营销编号
+         *
+         * 例如说：营销活动的编号、优惠劵的编号
+         */
+        private Long id;
+        /**
+         * 营销名字
+         */
+        private String name;
+        /**
+         * 营销类型
+         *
+         * 枚举 {@link PromotionTypeEnum}
+         */
+        private Integer type;
+        /**
+         * 营销级别
+         *
+         * 枚举 {@link PromotionLevelEnum}
+         */
+        private Integer level;
+        /**
+         * 计算时的原价（总），单位：分
+         */
+        private Integer totalPrice;
+        /**
+         * 计算时的优惠（总），单位：分
+         */
+        private Integer discountPrice;
+        /**
+         * 匹配的商品 SKU 数组
+         */
+        private List<PromotionItem> items;
+
+        // ========== 匹配情况 ==========
+
+        /**
+         * 是否满足优惠条件
+         */
+        private Boolean match;
+        /**
+         * 满足条件的提示
+         *
+         * 如果 {@link #match} = true 满足，则提示“圣诞价:省 150.00 元”
+         * 如果 {@link #match} = false 不满足，则提示“购满 85 元，可减 40 元”
+         */
+        private String description;
+
+    }
+
+    /**
+     * 营销匹配的商品 SKU
+     */
+    @Data
+    public static class PromotionItem {
+
+        /**
+         * 商品 SKU 编号
+         */
+        private Long skuId;
+        /**
+         * 计算时的原价（总），单位：分
+         */
+        private Integer totalPrice;
+        /**
+         * 计算时的优惠（总），单位：分
+         */
+        private Integer discountPrice;
+
+    }
+
+}

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradeCouponPriceCalculator.java

@@ -0,0 +1,109 @@
+package cn.iocoder.yudao.module.trade.service.price.calculator;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.lang.Assert;
+import cn.hutool.core.util.StrUtil;
+import cn.iocoder.yudao.module.promotion.api.coupon.CouponApi;
+import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponRespDTO;
+import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponValidReqDTO;
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionDiscountTypeEnum;
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionProductScopeEnum;
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionTypeEnum;
+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 javax.annotation.Resource;
+import java.util.List;
+import java.util.function.Predicate;
+
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.filterList;
+import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.COUPON_NO_MATCH_MIN_PRICE;
+import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.COUPON_NO_MATCH_SPU;
+
+/**
+ * 优惠劵的 {@link TradePriceCalculator} 实现类
+ *
+ * @author 芋道源码
+ */
+@Component
+@Order(TradePriceCalculator.ORDER_COUPON)
+public class TradeCouponPriceCalculator implements TradePriceCalculator {
+
+    @Resource
+    private CouponApi couponApi;
+
+    @Override
+    public void calculate(TradePriceCalculateReqBO param, TradePriceCalculateRespBO result) {
+        // 1.1 校验优惠劵
+        if (param.getCouponId() == null) {
+            return;
+        }
+        CouponRespDTO coupon = couponApi.validateCoupon(new CouponValidReqDTO()
+                .setId(param.getCouponId()).setUserId(param.getUserId()));
+        Assert.notNull(coupon, "校验通过的优惠劵({})，不能为空", param.getCouponId());
+
+        // 2.1 获得匹配的商品 SKU 数组
+        List<TradePriceCalculateRespBO.OrderItem> orderItems = filterMatchCouponOrderItems(result, coupon);
+        if (CollUtil.isEmpty(orderItems)) {
+            throw exception(COUPON_NO_MATCH_SPU);
+        }
+        // 2.2 计算是否满足优惠劵的使用金额
+        Integer totalPayPrice = TradePriceCalculatorHelper.calculateTotalPayPrice(orderItems);
+        if (totalPayPrice < coupon.getUsePrice()) {
+            throw exception(COUPON_NO_MATCH_MIN_PRICE);
+        }
+
+        // 3.1 计算可以优惠的金额
+        Integer couponPrice = getCouponPrice(coupon, totalPayPrice);
+        Assert.isTrue(couponPrice < totalPayPrice,
+                "优惠劵({}) 的优惠金额({})，不能大于订单总金额({})", coupon.getId(), couponPrice, totalPayPrice);
+        // 3.2 计算分摊的优惠金额
+        List<Integer> divideCouponPrices = TradePriceCalculatorHelper.dividePrice(orderItems, couponPrice);
+
+        // 4.1 记录使用的优惠劵
+        result.setCouponId(param.getCouponId());
+        // 4.2 记录优惠明细
+        TradePriceCalculatorHelper.addPromotion(result, orderItems,
+                param.getCouponId(), coupon.getName(), PromotionTypeEnum.COUPON.getType(),
+                StrUtil.format("优惠劵：省 {} 元", TradePriceCalculatorHelper.formatPrice(couponPrice)),
+                divideCouponPrices);
+        // 4.3 更新 SKU 优惠金额
+        for (int i = 0; i < orderItems.size(); i++) {
+            TradePriceCalculateRespBO.OrderItem orderItem = orderItems.get(i);
+            orderItem.setCouponPrice(divideCouponPrices.get(i));
+            TradePriceCalculatorHelper.recountPayPrice(orderItem);
+        }
+        TradePriceCalculatorHelper.recountAllPrice(result);
+    }
+
+    private Integer getCouponPrice(CouponRespDTO coupon, Integer totalPayPrice) {
+        if (PromotionDiscountTypeEnum.PRICE.getType().equals(coupon.getDiscountType())) { // 减价
+            return coupon.getDiscountPrice();
+        } else if (PromotionDiscountTypeEnum.PERCENT.getType().equals(coupon.getDiscountType())) { // 打折
+            int couponPrice = totalPayPrice * coupon.getDiscountPercent() / 100;
+            return coupon.getDiscountLimitPrice() == null ? couponPrice
+                    : Math.min(couponPrice, coupon.getDiscountLimitPrice()); // 优惠上限
+        }
+        throw new IllegalArgumentException(String.format("优惠劵(%s) 的优惠类型不正确", coupon));
+    }
+
+    /**
+     * 获得优惠劵可使用的订单项（商品）列表
+     *
+     * @param result 计算结果
+     * @param coupon 优惠劵
+     * @return 订单项（商品）列表
+     */
+    private List<TradePriceCalculateRespBO.OrderItem> filterMatchCouponOrderItems(TradePriceCalculateRespBO result,
+                                                                                  CouponRespDTO coupon) {
+        Predicate<TradePriceCalculateRespBO.OrderItem> matchPredicate = TradePriceCalculateRespBO.OrderItem::getSelected;
+        if (PromotionProductScopeEnum.SPU.getScope().equals(coupon.getProductScope())) {
+            matchPredicate = orderItem -> coupon.getProductSpuIds().contains(orderItem.getSpuId());
+        }
+        return filterList(result.getItems(), matchPredicate);
+    }
+
+}

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

@@ -0,0 +1,80 @@
+package cn.iocoder.yudao.module.trade.service.price.calculator;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.StrUtil;
+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.enums.common.PromotionDiscountTypeEnum;
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionTypeEnum;
+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 javax.annotation.Resource;
+import java.util.List;
+import java.util.Map;
+
+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.module.trade.service.price.calculator.TradePriceCalculatorHelper.formatPrice;
+
+/**
+ * 限时折扣的 {@link TradePriceCalculator} 实现类
+ *
+ * @author 芋道源码
+ */
+@Component
+@Order(TradePriceCalculator.ORDER_DISCOUNT_ACTIVITY)
+public class TradeDiscountActivityPriceCalculator implements TradePriceCalculator {
+
+    @Resource
+    private DiscountActivityApi discountActivityApi;
+
+    @Override
+    public void calculate(TradePriceCalculateReqBO param, TradePriceCalculateRespBO result) {
+        // 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)) {
+            return;
+        }
+        Map<Long, DiscountProductRespDTO> discountProductMap = convertMap(discountProducts, DiscountProductRespDTO::getSkuId);
+
+        // 处理每个 SKU 的限时折扣
+        result.getItems().forEach(orderItem -> {
+            // 1. 获取该 SKU 的优惠信息
+            DiscountProductRespDTO discountProduct = discountProductMap.get(orderItem.getSkuId());
+            if (discountProduct == null) {
+                return;
+            }
+            // 2. 计算优惠金额
+            Integer newPayPrice = calculatePayPrice(discountProduct, orderItem);
+            Integer newDiscountPrice = orderItem.getPayPrice() - newPayPrice;
+
+            // 3.1 记录优惠明细
+            TradePriceCalculatorHelper.addPromotion(result, orderItem,
+                    discountProduct.getActivityId(), discountProduct.getActivityName(), PromotionTypeEnum.DISCOUNT_ACTIVITY.getType(),
+                    StrUtil.format("限时折扣：省 {} 元", formatPrice(newDiscountPrice)),
+                    newDiscountPrice);
+            // 3.2 更新 SKU 优惠金额
+            orderItem.setDiscountPrice(orderItem.getDiscountPrice() + newDiscountPrice);
+            TradePriceCalculatorHelper.recountPayPrice(orderItem);
+        });
+        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;
+    }
+
+}

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

@@ -0,0 +1,19 @@
+package cn.iocoder.yudao.module.trade.service.price.calculator;
+
+import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO;
+import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
+
+/**
+ * 价格计算的计算器接口
+ *
+ * @author 芋道源码
+ */
+public interface TradePriceCalculator {
+
+    int ORDER_DISCOUNT_ACTIVITY = 10;
+    int ORDER_REWARD_ACTIVITY = 20;
+    int ORDER_COUPON = 30;
+
+    void calculate(TradePriceCalculateReqBO param, TradePriceCalculateRespBO result);
+
+}

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradePriceCalculatorHelper.java

@@ -0,0 +1,221 @@
+package cn.iocoder.yudao.module.trade.service.price.calculator;
+
+import cn.hutool.core.lang.Assert;
+import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
+import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO;
+import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO;
+import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertMap;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.getSumValue;
+import static java.util.Collections.singletonList;
+
+/**
+ * {@link TradePriceCalculator} 的工具类
+ *
+ * 主要实现对 {@link TradePriceCalculateRespBO} 计算结果的操作
+ *
+ * @author 芋道源码
+ */
+public class TradePriceCalculatorHelper {
+
+    public static TradePriceCalculateRespBO buildCalculateResp(TradePriceCalculateReqBO param,
+                                                               List<ProductSkuRespDTO> skuList) {
+        // 创建 PriceCalculateRespDTO 对象
+        TradePriceCalculateRespBO result = new TradePriceCalculateRespBO();
+        result.setOrderType(param.getOrderType());
+        // 创建它的 OrderItem 属性
+        Map<Long, TradePriceCalculateReqBO.Item> skuItemMap = convertMap(param.getItems(),
+                TradePriceCalculateReqBO.Item::getSkuId);
+        result.setItems(new ArrayList<>(skuItemMap.size()));
+        skuList.forEach(sku -> {
+            TradePriceCalculateReqBO.Item skuItem = skuItemMap.get(sku.getId());
+            TradePriceCalculateRespBO.OrderItem orderItem = new TradePriceCalculateRespBO.OrderItem()
+                    // SKU 字段
+                    .setSpuId(sku.getSpuId()).setSkuId(sku.getId())
+                    .setCount(skuItem.getCount()).setCartId(skuItem.getCartId()).setSelected(skuItem.getSelected())
+                    // 价格字段
+                    .setPrice(sku.getPrice()).setPayPrice(sku.getPrice() * skuItem.getCount())
+                    .setDiscountPrice(0).setDeliveryPrice(0).setCouponPrice(0).setPointPrice(0);
+            result.getItems().add(orderItem);
+        });
+        // 创建它的 Price 属性
+        result.setPrice(new TradePriceCalculateRespBO.Price());
+        recountAllPrice(result);
+        return result;
+    }
+
+    /**
+     * 基于订单项，重新计算 price 总价
+     *
+     * @param result 计算结果
+     */
+    public static void recountAllPrice(TradePriceCalculateRespBO result) {
+        // 先重置
+        TradePriceCalculateRespBO.Price price = result.getPrice();
+        price.setTotalPrice(0).setDiscountPrice(0).setDeliveryPrice(0)
+                .setCouponPrice(0).setPointPrice(0).setPayPrice(0);
+        // 再合计 item
+        result.getItems().forEach(item -> {
+            if (!item.getSelected()) {
+                return;
+            }
+            price.setTotalPrice(price.getTotalPrice() + item.getPrice() * item.getCount());
+            price.setDiscountPrice(price.getDiscountPrice() + item.getDiscountPrice());
+            price.setDeliveryPrice(price.getDeliveryPrice() + item.getDeliveryPrice());
+            price.setCouponPrice(price.getCouponPrice() + item.getCouponPrice());
+            price.setPointPrice(price.getPointPrice() + item.getPointPrice());
+            price.setPayPrice(price.getPayPrice() + item.getPayPrice());
+        });
+    }
+
+    /**
+     * 重新计算单个订单项的支付金额
+     *
+     * @param orderItem 订单项
+     */
+    public static void recountPayPrice(TradePriceCalculateRespBO.OrderItem orderItem) {
+        orderItem.setPayPrice(orderItem.getPrice()* orderItem.getCount()
+                - orderItem.getDiscountPrice()
+                + orderItem.getDeliveryPrice()
+                - orderItem.getCouponPrice()
+                - orderItem.getPointPrice());
+    }
+
+    /**
+     * 计算已选中的订单项，总支付金额
+     *
+     * @param orderItems 订单项数组
+     * @return 总支付金额
+     */
+    public static Integer calculateTotalPayPrice(List<TradePriceCalculateRespBO.OrderItem> orderItems) {
+        return getSumValue(orderItems,
+                orderItem -> orderItem.getSelected() ? orderItem.getPayPrice() :  0, // 未选中的情况下，不计算支付金额
+                Integer::sum);
+    }
+
+    /**
+     * 计算已选中的订单项，总商品数
+     *
+     * @param orderItems 订单项数组
+     * @return 总商品数
+     */
+    public static Integer calculateTotalCount(List<TradePriceCalculateRespBO.OrderItem> orderItems) {
+        return getSumValue(orderItems,
+                orderItem -> orderItem.getSelected() ? orderItem.getCount() :  0, // 未选中的情况下，不计算数量
+                Integer::sum);
+    }
+
+    /**
+     * 按照支付金额，返回每个订单项的分摊金额数组
+     *
+     * @param orderItems 订单项数组
+     * @param price 金额
+     * @return 分摊金额数组，和传入的 orderItems 一一对应
+     */
+    public static List<Integer> dividePrice(List<TradePriceCalculateRespBO.OrderItem> orderItems, Integer price) {
+        Integer total = calculateTotalPayPrice(orderItems);
+        assert total != null;
+        // 遍历每一个，进行分摊
+        List<Integer> prices = new ArrayList<>(orderItems.size());
+        int remainPrice = price;
+        for (int i = 0; i < orderItems.size(); i++) {
+            TradePriceCalculateRespBO.OrderItem orderItem = orderItems.get(i);
+            // 1. 如果是未选中，则分摊为 0
+            if (!orderItem.getSelected()) {
+                prices.add(0);
+                continue;
+            }
+            // 2. 如果选中，则按照百分比，进行分摊
+            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.getPayPrice() / total));
+                remainPrice -= partPrice;
+            } else {
+                partPrice = remainPrice;
+            }
+            Assert.isTrue(partPrice >= 0, "分摊金额必须大于等于 0");
+            prices.add(partPrice);
+        }
+        return prices;
+    }
+
+    /**
+     * 添加【匹配】单个 OrderItem 的营销明细
+     *
+     * @param result 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 description    满足条件的提示
+     * @param type           营销类型
+     * @param discountPrice 单个订单商品 SKU 的优惠价格（总）
+     */
+    public static void addPromotion(TradePriceCalculateRespBO result, TradePriceCalculateRespBO.OrderItem orderItem,
+                                    Long id, String name, Integer type, String description, Integer discountPrice) {
+        addPromotion(result, singletonList(orderItem), id, name, type, description, singletonList(discountPrice));
+    }
+
+    /**
+     * 添加【匹配】多个 OrderItem 的营销明细
+     *
+     * @param result 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 description    满足条件的提示
+     * @param type           营销类型
+     * @param discountPrices 多个订单商品 SKU 的优惠价格（总），和 orderItems 一一对应
+     */
+    public static void addPromotion(TradePriceCalculateRespBO result, List<TradePriceCalculateRespBO.OrderItem> orderItems,
+                              Long id, String name, Integer type, String description, List<Integer> discountPrices) {
+        // 创建营销明细 Item
+        List<TradePriceCalculateRespBO.PromotionItem> promotionItems = new ArrayList<>(discountPrices.size());
+        for (int i = 0; i < orderItems.size(); i++) {
+            TradePriceCalculateRespBO.OrderItem orderItem = orderItems.get(i);
+            promotionItems.add(new TradePriceCalculateRespBO.PromotionItem().setSkuId(orderItem.getSkuId())
+                    .setTotalPrice(orderItem.getPayPrice()).setDiscountPrice(discountPrices.get(i)));
+        }
+        // 创建营销明细
+        TradePriceCalculateRespBO.Promotion promotion = new TradePriceCalculateRespBO.Promotion()
+                .setId(id).setName(name).setType(type)
+                .setTotalPrice(calculateTotalPayPrice(orderItems))
+                .setDiscountPrice(getSumValue(discountPrices, value -> value, Integer::sum))
+                .setItems(promotionItems).setMatch(true).setDescription(description);
+        result.getPromotions().add(promotion);
+    }
+
+    /**
+     * 添加【不匹配】多个 OrderItem 的营销明细
+     *
+     * @param result 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 description    满足条件的提示
+     * @param type           营销类型
+     */
+    public static void addNotMatchPromotion(TradePriceCalculateRespBO result, List<TradePriceCalculateRespBO.OrderItem> orderItems,
+                                            Long id, String name, Integer type, String description) {
+        // 创建营销明细 Item
+        List<TradePriceCalculateRespBO.PromotionItem> promotionItems = CollectionUtils.convertList(orderItems,
+                orderItem -> new TradePriceCalculateRespBO.PromotionItem().setSkuId(orderItem.getSkuId())
+                        .setTotalPrice(orderItem.getPayPrice()).setDiscountPrice(0));
+        // 创建营销明细
+        TradePriceCalculateRespBO.Promotion promotion = new TradePriceCalculateRespBO.Promotion()
+                .setId(id).setName(name).setType(type)
+                .setTotalPrice(calculateTotalPayPrice(orderItems))
+                .setDiscountPrice(0)
+                .setItems(promotionItems).setMatch(false).setDescription(description);
+        result.getPromotions().add(promotion);
+    }
+
+    public static String formatPrice(Integer price) {
+        return String.format("%.2f", price / 100d);
+    }
+
+}

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

@@ -0,0 +1,133 @@
+package cn.iocoder.yudao.module.trade.service.price.calculator;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.StrUtil;
+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.PromotionTypeEnum;
+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 javax.annotation.Resource;
+import java.util.List;
+
+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.trade.service.price.calculator.TradePriceCalculatorHelper.formatPrice;
+
+/**
+ * 满减送活动的 {@link TradePriceCalculator} 实现类
+ *
+ * @author 芋道源码
+ */
+@Component
+@Order(TradePriceCalculator.ORDER_REWARD_ACTIVITY)
+public class TradeRewardActivityPriceCalculator implements TradePriceCalculator {
+
+    @Resource
+    private RewardActivityApi rewardActivityApi;
+
+    @Override
+    public void calculate(TradePriceCalculateReqBO param, TradePriceCalculateRespBO result) {
+        // 获得 SKU 对应的满减送活动
+        List<RewardActivityMatchRespDTO> rewardActivities = rewardActivityApi.getMatchRewardActivityList(
+                convertSet(result.getItems(), TradePriceCalculateRespBO.OrderItem::getSpuId));
+        if (CollUtil.isEmpty(rewardActivities)) {
+            return;
+        }
+
+        // 处理每个满减送活动
+        rewardActivities.forEach(rewardActivity -> calculate(param, result, rewardActivity));
+    }
+
+    private void calculate(TradePriceCalculateReqBO param, TradePriceCalculateRespBO result,
+                           RewardActivityMatchRespDTO rewardActivity) {
+        // 1.1 获得满减送的订单项（商品）列表
+        List<TradePriceCalculateRespBO.OrderItem> orderItems = filterMatchCouponOrderItems(result, rewardActivity);
+        if (CollUtil.isEmpty(orderItems)) {
+            return;
+        }
+        // 1.2 获得最大匹配的满减送活动的规则
+        RewardActivityMatchRespDTO.Rule rule = getMaxMatchRewardActivityRule(rewardActivity, orderItems);
+        if (rule == null) {
+            return;
+        }
+
+        // 2.1 计算可以优惠的金额
+        Integer newDiscountPrice = rule.getDiscountPrice();
+        // 2.2 计算分摊的优惠金额
+        List<Integer> divideDiscountPrices = TradePriceCalculatorHelper.dividePrice(orderItems, newDiscountPrice);
+
+        // 3.1 记录使用的优惠劵
+        result.setCouponId(param.getCouponId());
+        // 3.2 记录优惠明细
+        TradePriceCalculatorHelper.addPromotion(result, orderItems,
+                rewardActivity.getId(), rewardActivity.getName(), PromotionTypeEnum.REWARD_ACTIVITY.getType(),
+                StrUtil.format("满减送：省 {} 元", formatPrice(rule.getDiscountPrice())),
+                divideDiscountPrices);
+        // 3.3 更新 SKU 优惠金额
+        for (int i = 0; i < orderItems.size(); i++) {
+            TradePriceCalculateRespBO.OrderItem orderItem = orderItems.get(i);
+            orderItem.setDiscountPrice(orderItem.getDiscountPrice() + divideDiscountPrices.get(i));
+            TradePriceCalculatorHelper.recountPayPrice(orderItem);
+        }
+        TradePriceCalculatorHelper.recountAllPrice(result);
+    }
+
+    /**
+     * 获得满减送的订单项（商品）列表
+     *
+     * @param result 计算结果
+     * @param rewardActivity 满减送活动
+     * @return 订单项（商品）列表
+     */
+    private List<TradePriceCalculateRespBO.OrderItem> filterMatchCouponOrderItems(TradePriceCalculateRespBO result,
+                                                                                  RewardActivityMatchRespDTO rewardActivity) {
+        return filterList(result.getItems(),
+                orderItem -> CollUtil.contains(rewardActivity.getSpuIds(), orderItem.getSpuId()));
+    }
+
+    /**
+     * 获得最大匹配的满减送活动的规则
+     *
+     * @param rewardActivity 满减送活动
+     * @param orderItems 商品项
+     * @return 匹配的活动规则
+     */
+    private RewardActivityMatchRespDTO.Rule getMaxMatchRewardActivityRule(RewardActivityMatchRespDTO rewardActivity,
+                                                                          List<TradePriceCalculateRespBO.OrderItem> orderItems) {
+        // 1. 计算数量和价格
+        Integer count = TradePriceCalculatorHelper.calculateTotalCount(orderItems);
+        Integer price = TradePriceCalculatorHelper.calculateTotalPayPrice(orderItems);
+        assert count != null && price != null;
+
+        // 2. 倒序找一个最大优惠的规则
+        for (int i = rewardActivity.getRules().size() - 1; i >= 0; i--) {
+            RewardActivityMatchRespDTO.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(RewardActivityMatchRespDTO rewardActivity) {
+        // TODO 芋艿：后面再想想；应该找第一个规则，算下还差多少即可。
+        return "TODO";
+    }
+
+}

yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/app/address/AppAddressController.java

@@ -5,7 +5,7 @@ import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressCreate
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressRespVO;
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressUpdateReqVO;
 import cn.iocoder.yudao.module.member.convert.address.AddressConvert;
-import cn.iocoder.yudao.module.member.dal.dataobject.address.AddressDO;
+import cn.iocoder.yudao.module.member.dal.dataobject.address.MemberAddressDO;
 import cn.iocoder.yudao.module.member.service.address.AddressService;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import io.swagger.v3.oas.annotations.Parameter;
@@ -54,21 +54,21 @@ public class AppAddressController {
     @Operation(summary = "获得用户收件地址")
     @Parameter(name = "id", description = "编号", required = true, example = "1024")
     public CommonResult<AppAddressRespVO> getAddress(@RequestParam("id") Long id) {
-        AddressDO address = addressService.getAddress(getLoginUserId(), id);
+        MemberAddressDO address = addressService.getAddress(getLoginUserId(), id);
         return success(AddressConvert.INSTANCE.convert(address));
     }
 
     @GetMapping("/get-default")
     @Operation(summary = "获得默认的用户收件地址")
     public CommonResult<AppAddressRespVO> getDefaultUserAddress() {
-        AddressDO address = addressService.getDefaultUserAddress(getLoginUserId());
+        MemberAddressDO address = addressService.getDefaultUserAddress(getLoginUserId());
         return success(AddressConvert.INSTANCE.convert(address));
     }
 
     @GetMapping("/list")
     @Operation(summary = "获得用户收件地址列表")
     public CommonResult<List<AppAddressRespVO>> getAddressList() {
-        List<AddressDO> list = addressService.getAddressList(getLoginUserId());
+        List<MemberAddressDO> list = addressService.getAddressList(getLoginUserId());
         return success(AddressConvert.INSTANCE.convertList(list));
     }
 

yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/convert/address/AddressConvert.java

@@ -5,7 +5,7 @@ import cn.iocoder.yudao.module.member.api.address.dto.AddressRespDTO;
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressCreateReqVO;
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressRespVO;
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressUpdateReqVO;
-import cn.iocoder.yudao.module.member.dal.dataobject.address.AddressDO;
+import cn.iocoder.yudao.module.member.dal.dataobject.address.MemberAddressDO;
 import org.mapstruct.Mapper;
 import org.mapstruct.factory.Mappers;
 
@@ -21,16 +21,16 @@ public interface AddressConvert {
 
     AddressConvert INSTANCE = Mappers.getMapper(AddressConvert.class);
 
-    AddressDO convert(AppAddressCreateReqVO bean);
+    MemberAddressDO convert(AppAddressCreateReqVO bean);
 
-    AddressDO convert(AppAddressUpdateReqVO bean);
+    MemberAddressDO convert(AppAddressUpdateReqVO bean);
 
-    AppAddressRespVO convert(AddressDO bean);
+    AppAddressRespVO convert(MemberAddressDO bean);
 
-    List<AppAddressRespVO> convertList(List<AddressDO> list);
+    List<AppAddressRespVO> convertList(List<MemberAddressDO> list);
 
-    PageResult<AppAddressRespVO> convertPage(PageResult<AddressDO> page);
+    PageResult<AppAddressRespVO> convertPage(PageResult<MemberAddressDO> page);
 
-    AddressRespDTO convert02(AddressDO bean);
+    AddressRespDTO convert02(MemberAddressDO bean);
 
 }

yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/dal/dataobject/address/MemberAddressDO.java

@@ -17,7 +17,7 @@ import lombok.*;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class AddressDO extends BaseDO {
+public class MemberAddressDO extends BaseDO {
 
     /**
      * 编号

yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/dal/mysql/address/AddressMapper.java

@@ -2,21 +2,21 @@ package cn.iocoder.yudao.module.member.dal.mysql.address;
 
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
 import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
-import cn.iocoder.yudao.module.member.dal.dataobject.address.AddressDO;
+import cn.iocoder.yudao.module.member.dal.dataobject.address.MemberAddressDO;
 import org.apache.ibatis.annotations.Mapper;
 
 import java.util.List;
 
 @Mapper
-public interface AddressMapper extends BaseMapperX<AddressDO> {
+public interface AddressMapper extends BaseMapperX<MemberAddressDO> {
 
-    default AddressDO selectByIdAndUserId(Long id, Long userId) {
-        return selectOne(AddressDO::getId, id, AddressDO::getUserId, userId);
+    default MemberAddressDO selectByIdAndUserId(Long id, Long userId) {
+        return selectOne(MemberAddressDO::getId, id, MemberAddressDO::getUserId, userId);
     }
 
-    default List<AddressDO> selectListByUserIdAndDefaulted(Long userId, Boolean defaulted) {
-        return selectList(new LambdaQueryWrapperX<AddressDO>().eq(AddressDO::getUserId, userId)
-                .eqIfPresent(AddressDO::getDefaulted, defaulted));
+    default List<MemberAddressDO> selectListByUserIdAndDefaulted(Long userId, Boolean defaulted) {
+        return selectList(new LambdaQueryWrapperX<MemberAddressDO>().eq(MemberAddressDO::getUserId, userId)
+                .eqIfPresent(MemberAddressDO::getDefaulted, defaulted));
     }
 
 }

yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/address/AddressService.java

@@ -2,7 +2,7 @@ package cn.iocoder.yudao.module.member.service.address;
 
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressCreateReqVO;
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressUpdateReqVO;
-import cn.iocoder.yudao.module.member.dal.dataobject.address.AddressDO;
+import cn.iocoder.yudao.module.member.dal.dataobject.address.MemberAddressDO;
 
 import javax.validation.Valid;
 import java.util.List;
@@ -46,7 +46,7 @@ public interface AddressService {
      * @param id 编号
      * @return 用户收件地址
      */
-    AddressDO getAddress(Long userId, Long id);
+    MemberAddressDO getAddress(Long userId, Long id);
 
     /**
      * 获得用户收件地址列表
@@ -54,7 +54,7 @@ public interface AddressService {
      * @param userId 用户编号
      * @return 用户收件地址列表
      */
-    List<AddressDO> getAddressList(Long userId);
+    List<MemberAddressDO> getAddressList(Long userId);
 
     /**
      * 获得用户默认的收件地址
@@ -62,6 +62,6 @@ public interface AddressService {
      * @param userId 用户编号
      * @return 用户收件地址
      */
-    AddressDO getDefaultUserAddress(Long userId);
+    MemberAddressDO getDefaultUserAddress(Long userId);
 
 }

yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/address/AddressServiceImpl.java

@@ -4,7 +4,7 @@ import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressCreateReqVO;
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressUpdateReqVO;
 import cn.iocoder.yudao.module.member.convert.address.AddressConvert;
-import cn.iocoder.yudao.module.member.dal.dataobject.address.AddressDO;
+import cn.iocoder.yudao.module.member.dal.dataobject.address.MemberAddressDO;
 import cn.iocoder.yudao.module.member.dal.mysql.address.AddressMapper;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -33,12 +33,12 @@ public class AddressServiceImpl implements AddressService {
     public Long createAddress(Long userId, AppAddressCreateReqVO createReqVO) {
         // 如果添加的是默认收件地址，则将原默认地址修改为非默认
         if (Boolean.TRUE.equals(createReqVO.getDefaulted())) {
-            List<AddressDO> addresses = addressMapper.selectListByUserIdAndDefaulted(userId, true);
-            addresses.forEach(address -> addressMapper.updateById(new AddressDO().setId(address.getId()).setDefaulted(false)));
+            List<MemberAddressDO> addresses = addressMapper.selectListByUserIdAndDefaulted(userId, true);
+            addresses.forEach(address -> addressMapper.updateById(new MemberAddressDO().setId(address.getId()).setDefaulted(false)));
         }
 
         // 插入
-        AddressDO address = AddressConvert.INSTANCE.convert(createReqVO);
+        MemberAddressDO address = AddressConvert.INSTANCE.convert(createReqVO);
         address.setUserId(userId);
         addressMapper.insert(address);
         // 返回
@@ -53,13 +53,13 @@ public class AddressServiceImpl implements AddressService {
 
         // 如果修改的是默认收件地址，则将原默认地址修改为非默认
         if (Boolean.TRUE.equals(updateReqVO.getDefaulted())) {
-            List<AddressDO> addresses = addressMapper.selectListByUserIdAndDefaulted(userId, true);
+            List<MemberAddressDO> addresses = addressMapper.selectListByUserIdAndDefaulted(userId, true);
             addresses.stream().filter(u -> !u.getId().equals(updateReqVO.getId())) // 排除自己
-                    .forEach(address -> addressMapper.updateById(new AddressDO().setId(address.getId()).setDefaulted(false)));
+                    .forEach(address -> addressMapper.updateById(new MemberAddressDO().setId(address.getId()).setDefaulted(false)));
         }
 
         // 更新
-        AddressDO updateObj = AddressConvert.INSTANCE.convert(updateReqVO);
+        MemberAddressDO updateObj = AddressConvert.INSTANCE.convert(updateReqVO);
         addressMapper.updateById(updateObj);
     }
 
@@ -72,25 +72,25 @@ public class AddressServiceImpl implements AddressService {
     }
 
     private void validAddressExists(Long userId, Long id) {
-        AddressDO addressDO = getAddress(userId, id);
+        MemberAddressDO addressDO = getAddress(userId, id);
         if (addressDO == null) {
             throw exception(ADDRESS_NOT_EXISTS);
         }
     }
 
     @Override
-    public AddressDO getAddress(Long userId, Long id) {
+    public MemberAddressDO getAddress(Long userId, Long id) {
         return addressMapper.selectByIdAndUserId(id, userId);
     }
 
     @Override
-    public List<AddressDO> getAddressList(Long userId) {
+    public List<MemberAddressDO> getAddressList(Long userId) {
         return addressMapper.selectListByUserIdAndDefaulted(userId, null);
     }
 
     @Override
-    public AddressDO getDefaultUserAddress(Long userId) {
-        List<AddressDO> addresses = addressMapper.selectListByUserIdAndDefaulted(userId, true);
+    public MemberAddressDO getDefaultUserAddress(Long userId) {
+        List<MemberAddressDO> addresses = addressMapper.selectListByUserIdAndDefaulted(userId, true);
         return CollUtil.getFirst(addresses);
     }
 

yudao-module-member/yudao-module-member-biz/src/test/java/cn/iocoder/yudao/module/member/service/address/AddressServiceImplTest.java

@@ -3,7 +3,7 @@ package cn.iocoder.yudao.module.member.service.address;
 import cn.iocoder.yudao.framework.test.core.ut.BaseDbUnitTest;
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressCreateReqVO;
 import cn.iocoder.yudao.module.member.controller.app.address.vo.AppAddressUpdateReqVO;
-import cn.iocoder.yudao.module.member.dal.dataobject.address.AddressDO;
+import cn.iocoder.yudao.module.member.dal.dataobject.address.MemberAddressDO;
 import cn.iocoder.yudao.module.member.dal.mysql.address.AddressMapper;
 import org.junit.jupiter.api.Test;
 import org.springframework.context.annotation.Import;
@@ -42,14 +42,14 @@ public class AddressServiceImplTest extends BaseDbUnitTest {
         // 断言
         assertNotNull(addressId);
         // 校验记录的属性是否正确
-        AddressDO address = addressMapper.selectById(addressId);
+        MemberAddressDO address = addressMapper.selectById(addressId);
         assertPojoEquals(reqVO, address);
     }
 
     @Test
     public void testUpdateAddress_success() {
         // mock 数据
-        AddressDO dbAddress = randomPojo(AddressDO.class);
+        MemberAddressDO dbAddress = randomPojo(MemberAddressDO.class);
         addressMapper.insert(dbAddress);// @Sql: 先插入出一条存在的数据
         // 准备参数
         AppAddressUpdateReqVO reqVO = randomPojo(AppAddressUpdateReqVO.class, o -> {
@@ -59,7 +59,7 @@ public class AddressServiceImplTest extends BaseDbUnitTest {
         // 调用
         addressService.updateAddress(dbAddress.getUserId(), reqVO);
         // 校验是否更新正确
-        AddressDO address = addressMapper.selectById(reqVO.getId()); // 获取最新的
+        MemberAddressDO address = addressMapper.selectById(reqVO.getId()); // 获取最新的
         assertPojoEquals(reqVO, address);
     }
 
@@ -75,7 +75,7 @@ public class AddressServiceImplTest extends BaseDbUnitTest {
     @Test
     public void testDeleteAddress_success() {
         // mock 数据
-        AddressDO dbAddress = randomPojo(AddressDO.class);
+        MemberAddressDO dbAddress = randomPojo(MemberAddressDO.class);
         addressMapper.insert(dbAddress);// @Sql: 先插入出一条存在的数据
         // 准备参数
         Long id = dbAddress.getId();

yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/convert/ip/AreaConvert.java

@@ -23,7 +23,8 @@ public interface AreaConvert {
     @Mapping(source = "type", target = "leaf")
     AreaNodeSimpleRespVO convert(Area area);
 
-    default Boolean convertAreaType(Integer type){
-        return Objects.equals(AreaTypeEnum.DISTRICT.getType(),type);
+    default Boolean convertAreaType(Integer type) {
+        return Objects.equals(AreaTypeEnum.DISTRICT.getType(), type);
     }
+
 }