优惠券：完善优惠券匹配接口

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/coupon/AppCouponController.java

@@ -17,11 +17,8 @@ import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
-import java.time.LocalDateTime;
-import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.Random;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
@@ -42,36 +39,11 @@ public class AppCouponController {
         return success(1L);
     }
 
-    // TODO 芋艿：待实现
     @GetMapping("/match-list")
     @Operation(summary = "获得匹配指定商品的优惠劵列表")
     public CommonResult<List<AppCouponMatchRespVO>> getMatchCouponList(AppCouponMatchReqVO matchReqVO) {
-        List<AppCouponMatchRespVO> list = new ArrayList<>();
-        Random random = new Random();
-        for (int i = 0; i < 10; i++) {
-            AppCouponMatchRespVO vo = new AppCouponMatchRespVO();
-            vo.setId(i + 1L);
-            vo.setName("优惠劵" + (i + 1));
-            vo.setUsePrice(random.nextInt(100) * 100);
-            vo.setValidStartTime(LocalDateTime.now().plusDays(random.nextInt(10)));
-            vo.setValidEndTime(LocalDateTime.now().plusDays(random.nextInt(20) + 10));
-            vo.setDiscountType(random.nextInt(2) + 1);
-            if (vo.getDiscountType() == 1) {
-                vo.setDiscountPercent(null);
-                vo.setDiscountPrice(random.nextInt(50) * 100);
-                vo.setDiscountLimitPrice(null);
-            } else {
-                vo.setDiscountPercent(random.nextInt(90) + 10);
-                vo.setDiscountPrice(null);
-                vo.setDiscountLimitPrice(random.nextInt(200) * 100);
-            }
-            vo.setMatch(random.nextBoolean());
-            if (!vo.getMatch()) {
-                vo.setDescription("不符合条件噢");
-            }
-            list.add(vo);
-        }
-        return success(list);
+        // todo: 优惠金额倒序
+        return success(CouponConvert.INSTANCE.convertList(couponService.getMatchCouponList(getLoginUserId(), matchReqVO)));
     }
 
     @GetMapping("/page")

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

@@ -4,6 +4,7 @@ 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.controller.admin.coupon.vo.coupon.CouponPageReqVO;
+import cn.iocoder.yudao.module.promotion.controller.app.coupon.vo.coupon.AppCouponMatchRespVO;
 import cn.iocoder.yudao.module.promotion.controller.app.coupon.vo.coupon.AppCouponPageReqVO;
 import cn.iocoder.yudao.module.promotion.controller.app.coupon.vo.coupon.AppCouponRespVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponDO;
@@ -15,6 +16,7 @@ import org.mapstruct.factory.Mappers;
 
 import java.time.LocalDateTime;
 import java.util.Collection;
+import java.util.List;
 
 /**
  * 优惠劵 Convert
@@ -57,4 +59,6 @@ public interface CouponConvert {
     CouponPageReqVO convert(AppCouponPageReqVO pageReqVO, Collection<Long> userIds);
 
     PageResult<AppCouponRespVO> convertAppPage(PageResult<CouponDO> pageResult);
+
+    List<AppCouponMatchRespVO> convertList(List<CouponDO> list);
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/coupon/CouponMapper.java

@@ -1,11 +1,13 @@
 package cn.iocoder.yudao.module.promotion.dal.mysql.coupon;
 
 import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.util.StrUtil;
 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.promotion.controller.admin.coupon.vo.coupon.CouponPageReqVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponDO;
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionProductScopeEnum;
 import cn.iocoder.yudao.module.promotion.service.coupon.bo.CouponTakeCountBO;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.github.yulichang.toolkit.MPJWrappers;
@@ -13,6 +15,8 @@ import org.apache.ibatis.annotations.Mapper;
 
 import java.util.Collection;
 import java.util.List;
+import java.util.function.Function;
+import java.util.stream.Collectors;
 
 /**
  * 优惠劵 Mapper
@@ -73,4 +77,21 @@ public interface CouponMapper extends BaseMapperX<CouponDO> {
                 .in(CouponDO::getTemplateId, templateIds)
                 .groupBy(CouponDO::getTemplateId)), CouponTakeCountBO.class);
     }
+
+    default List<CouponDO> selectListByUserIdAndStatusAndUsePriceLeAndProductScope(
+            Long userId, Integer status, Integer usePrice, List<Long> spuIds, List<Long> categoryIds) {
+
+        Function<List<Long>, String> productScopeValuesFindInSetFunc = ids -> ids.stream()
+                .map(id -> StrUtil.format("FIND_IN_SET({}, product_scope_values) ", id))
+                .collect(Collectors.joining(" OR "));
+        return selectList(new LambdaQueryWrapperX<CouponDO>()
+                .eq(CouponDO::getUserId, userId)
+                .eq(CouponDO::getStatus, status)
+                .le(CouponDO::getUsePrice, usePrice)
+                .and(w -> w.eq(CouponDO::getProductScope, PromotionProductScopeEnum.ALL.getScope())
+                        .or(ww -> ww.eq(CouponDO::getProductScope, PromotionProductScopeEnum.SPU.getScope())
+                                .apply(productScopeValuesFindInSetFunc.apply(spuIds)))
+                        .or(ww -> ww.eq(CouponDO::getProductScope, PromotionProductScopeEnum.CATEGORY.getScope())
+                                .apply(productScopeValuesFindInSetFunc.apply(categoryIds)))));
+    }
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/coupon/CouponService.java

@@ -3,6 +3,7 @@ package cn.iocoder.yudao.module.promotion.service.coupon;
 import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.coupon.CouponPageReqVO;
+import cn.iocoder.yudao.module.promotion.controller.app.coupon.vo.coupon.AppCouponMatchReqVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponDO;
 import cn.iocoder.yudao.module.promotion.enums.coupon.CouponTakeTypeEnum;
 import cn.iocoder.yudao.module.promotion.service.coupon.bo.CouponTakeCountBO;
@@ -147,4 +148,13 @@ public interface CouponService {
      * @return 领取优惠券的数量
      */
     List<CouponTakeCountBO> getTakeCountListByTemplateIds(Collection<Long> templateIds, Long userId);
+
+    /**
+     * 获取用户匹配的优惠券列表
+     *
+     * @param userId     用户编号
+     * @param matchReqVO 匹配参数
+     * @return 优惠券列表
+     */
+    List<CouponDO> getMatchCouponList(Long userId, AppCouponMatchReqVO matchReqVO);
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/coupon/CouponServiceImpl.java

@@ -12,6 +12,7 @@ import cn.iocoder.yudao.framework.common.util.date.LocalDateTimeUtils;
 import cn.iocoder.yudao.module.member.api.user.MemberUserApi;
 import cn.iocoder.yudao.module.member.api.user.dto.MemberUserRespDTO;
 import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.coupon.CouponPageReqVO;
+import cn.iocoder.yudao.module.promotion.controller.app.coupon.vo.coupon.AppCouponMatchReqVO;
 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.dal.dataobject.coupon.CouponTemplateDO;
@@ -186,6 +187,12 @@ public class CouponServiceImpl implements CouponService {
         return couponMapper.selectCountByUserIdAndTemplateIdIn(userId, templateIds);
     }
 
+    @Override
+    public List<CouponDO> getMatchCouponList(Long userId, AppCouponMatchReqVO matchReqVO) {
+        return couponMapper.selectListByUserIdAndStatusAndUsePriceLeAndProductScope(userId, CouponStatusEnum.UNUSED.getStatus(),
+                matchReqVO.getPrice(), matchReqVO.getSpuIds(), matchReqVO.getCategoryIds());
+    }
+
     /**
      * 校验优惠券是否可以领取
      *

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/app/order/vo/AppTradeOrderSettlementRespVO.java

@@ -37,6 +37,8 @@ public class AppTradeOrderSettlementRespVO {
 
         // ========== SPU 信息 ==========
 
+        @Schema(description = "品类编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "2048")
+        private Long categoryId;
         @Schema(description = "SPU 编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "2048")
         private Long spuId;
         @Schema(description = "SPU 名字", requiredMode = Schema.RequiredMode.REQUIRED, example = "Apple iPhone 12")