Price 价格服务的编写

order/order-rest/src/main/java/cn/iocoder/mall/order/rest/controller/cart/UsersCartController.java

@@ -38,10 +38,7 @@ public class UsersCartController {
 //    }
 
 //
-//    @GetMapping("/list")
-//    public CommonResult<UsersCartDetailVO> list() { // TODO 芋艿，先暂用这个 VO 。等促销活动出来后，做调整
-//        return getCartDetail();
-//    }
+
 //
 //    private CommonResult<UsersCartDetailVO> getCartDetail() {
 //        // 获得购物车中选中的

product-service-project/product-service-api/src/main/java/cn/iocoder/mall/productservice/enums/sku/ProductSkuDetailFieldEnum.java

+package cn.iocoder.mall.productservice.enums.sku;
+
+import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuRespDTO;
+
+/**
+ * 商品 SKU 明细的字段枚举
+ *
+ * @see ProductSkuRespDTO
+ */
+public enum ProductSkuDetailFieldEnum {
+
+    SPU("spu"),
+    ATTR("attr");
+
+    /**
+     * 字段
+     */
+    private final String field;
+
+    ProductSkuDetailFieldEnum(String field) {
+        this.field = field;
+    }
+
+    public String getField() {
+        return field;
+    }
+
+}

product-service-project/product-service-api/src/main/java/cn/iocoder/mall/productservice/rpc/sku/dto/ProductSkuListQueryReqDTO.java

 package cn.iocoder.mall.productservice.rpc.sku.dto;
 
+import cn.iocoder.mall.productservice.enums.sku.ProductSkuDetailFieldEnum;
 import lombok.Data;
 import lombok.experimental.Accessors;
 
 import java.io.Serializable;
 import java.util.Collection;
+import java.util.Collections;
 
 /**
  * 商品 SKU 列表查询 DTO
@@ -26,5 +28,11 @@ public class ProductSkuListQueryReqDTO implements Serializable {
      */
     private Integer productSpuId;
 
+    /**
+     * 额外返回字段
+     *
+     * @see ProductSkuDetailFieldEnum
+     */
+    private Collection<String> fields = Collections.emptySet();
 
 }

product-service-project/product-service-api/src/main/java/cn/iocoder/mall/productservice/rpc/spu/ProductSpuRpc.java

@@ -41,7 +41,7 @@ public interface ProductSpuRpc {
     * @param productSpuIds 商品 SPU 编号列表
     * @return 商品 SPU 列表
     */
-    CommonResult<List<ProductSpuRespDTO>> listProductSpus(List<Integer> productSpuIds);
+    CommonResult<List<ProductSpuRespDTO>> listProductSpus(Collection<Integer> productSpuIds);
 
     /**
     * 获得商品 SPU 分页

product-service-project/product-service-app/src/main/java/cn/iocoder/mall/productservice/manager/sku/ProductSkuManager.java

 package cn.iocoder.mall.productservice.manager.sku;
 
+import cn.iocoder.common.framework.util.CollectionUtils;
 import cn.iocoder.mall.productservice.convert.sku.ProductSkuConvert;
 import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuListQueryReqDTO;
 import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuRespDTO;
@@ -8,6 +9,7 @@ import cn.iocoder.mall.productservice.service.sku.bo.ProductSkuBO;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.Collections;
 import java.util.List;
 
 /**
@@ -37,8 +39,13 @@ public class ProductSkuManager {
      * @return 商品 SKU列表
      */
     public List<ProductSkuRespDTO> listProductSkus(ProductSkuListQueryReqDTO queryReqDTO) {
+        // 获得商品 SKU 列表
         List<ProductSkuBO> productSkuBOs = productSkuService.listProductSkus(
                 ProductSkuConvert.INSTANCE.convert(queryReqDTO));
+        if (CollectionUtils.isEmpty(productSkuBOs)) {
+            return Collections.emptyList();
+        }
+        //
         return ProductSkuConvert.INSTANCE.convertList03(productSkuBOs);
     }
 

product-service-project/product-service-app/src/main/java/cn/iocoder/mall/productservice/manager/spu/ProductSpuManager.java

@@ -131,7 +131,7 @@ public class ProductSpuManager {
     * @param productSpuIds 商品 SPU编号列表
     * @return 商品 SPU列表
     */
-    public List<ProductSpuRespDTO> listProductSpus(List<Integer> productSpuIds) {
+    public List<ProductSpuRespDTO> listProductSpus(Collection<Integer> productSpuIds) {
         List<ProductSpuBO> productSpuBOs = productSpuService.listProductSpus(productSpuIds);
         return ProductSpuConvert.INSTANCE.convertList02(productSpuBOs);
     }

product-service-project/product-service-app/src/main/java/cn/iocoder/mall/productservice/rpc/spu/ProductSpuRpcImpl.java

@@ -38,7 +38,7 @@ public class ProductSpuRpcImpl implements ProductSpuRpc {
     }
 
     @Override
-    public CommonResult<List<ProductSpuRespDTO>> listProductSpus(List<Integer> productSpuIds) {
+    public CommonResult<List<ProductSpuRespDTO>> listProductSpus(Collection<Integer> productSpuIds) {
         return success(productSpuManager.listProductSpus(productSpuIds));
     }
 

product-service-project/product-service-app/src/main/java/cn/iocoder/mall/productservice/service/spu/ProductSpuService.java

@@ -16,6 +16,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
 import javax.validation.Valid;
+import java.util.Collection;
 import java.util.List;
 
 import static cn.iocoder.mall.productservice.enums.ProductErrorCodeConstants.PRODUCT_SPU_NOT_EXISTS;
@@ -76,7 +77,7 @@ public class ProductSpuService {
     * @param productSpuIds 商品 SPU编号列表
     * @return 商品 SPU列表
     */
-    public List<ProductSpuBO> listProductSpus(List<Integer> productSpuIds) {
+    public List<ProductSpuBO> listProductSpus(Collection<Integer> productSpuIds) {
         List<ProductSpuDO> productSpuDOs = productSpuMapper.selectBatchIds(productSpuIds);
         return ProductSpuConvert.INSTANCE.convertList(productSpuDOs);
     }

promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/service/coupon/bo/CouponCardBO.java → promotion-service-project/promotion-service-api/src/main/java/cn/iocoder/mall/promotion/api/rpc/coupon/dto/card/CouponCardRespDTO.java

-package cn.iocoder.mall.promotionservice.service.coupon.bo;
+package cn.iocoder.mall.promotion.api.rpc.coupon.dto.card;
 
 import lombok.Data;
 import lombok.experimental.Accessors;
@@ -7,11 +7,11 @@ import java.io.Serializable;
 import java.util.Date;
 
 /**
- * 优惠劵 BO
+ * 优惠劵 Response DTO
  */
 @Data
 @Accessors(chain = true)
-public class CouponCardBO implements Serializable {
+public class CouponCardRespDTO implements Serializable {
 
     // ========== 基本信息 BEGIN ==========
     /**
@@ -100,8 +100,6 @@ public class CouponCardBO implements Serializable {
      */
     private Date usedTime;
 
-    // TODO 芋艿，后续要加优惠劵的使用日志，因为下单后，可能会取消。
-
     // ========== 使用情况 END ==========
 
     /**

promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/service/coupon/bo/CouponTemplateBO.java → promotion-service-project/promotion-service-api/src/main/java/cn/iocoder/mall/promotion/api/rpc/coupon/dto/template/CouponTemplateRespDTO.java

-package cn.iocoder.mall.promotionservice.service.coupon.bo;
+package cn.iocoder.mall.promotion.api.rpc.coupon.dto.template;
 
 import lombok.Data;
 import lombok.experimental.Accessors;
 
 import java.io.Serializable;
 import java.util.Date;
+import java.util.List;
 
 /**
  * 优惠劵（码）模板 BO
  */
 @Data
 @Accessors(chain = true)
-public class CouponTemplateBO implements Serializable {
+public class CouponTemplateRespDTO implements Serializable {
 
     // ========== 基本信息 BEGIN ==========
     /**
@@ -85,7 +86,7 @@ public class CouponTemplateBO implements Serializable {
     /**
      * 指定商品 / 分类列表，使用逗号分隔商品编号
      */
-    private String rangeValues;
+    private List<Integer> rangeValues;
     /**
      * 生效日期类型
      *

promotion-service-project/promotion-service-api/src/main/java/cn/iocoder/mall/promotion/api/rpc/price/PriceRpc.java

 package cn.iocoder.mall.promotion.api.rpc.price;
 
-import lombok.Data;
-import lombok.experimental.Accessors;
-
-import javax.validation.constraints.NotNull;
-import java.util.List;
+import cn.iocoder.common.framework.vo.CommonResult;
+import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcReqDTO;
+import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcRespDTO;
 
 /**
  * 价格 Rpc 接口，提供价格计算的功能
  */
-public class PriceRpc {
+public interface PriceRpc {
+
+    CommonResult<PriceProductCalcRespDTO> calcProductPrice(PriceProductCalcReqDTO calcReqDTO);
 
 }

promotion-service-project/promotion-service-api/src/main/java/cn/iocoder/mall/promotion/api/rpc/price/dto/PriceProductCalcReqDTO.java

@@ -11,7 +11,7 @@ import java.util.List;
  * 商品价格计算 Request DTO
  */
 @Data
-@Accessors
+@Accessors(chain = true)
 public class PriceProductCalcReqDTO implements Serializable {
 
     /**

promotion-service-project/promotion-service-api/src/main/java/cn/iocoder/mall/promotion/api/rpc/price/dto/PriceProductCalcRespDTO.java

 package cn.iocoder.mall.promotion.api.rpc.price.dto;
 
+import cn.iocoder.mall.promotion.api.enums.PromotionActivityTypeEnum;
+import cn.iocoder.mall.promotion.api.rpc.activity.dto.PromotionActivityRespDTO;
 import lombok.Data;
 import lombok.experimental.Accessors;
 
@@ -48,11 +50,14 @@ public class PriceProductCalcRespDTO implements Serializable {
     @Accessors(chain = true)
     public static class ItemGroup {
 
-//        /**
-//         * 优惠活动
-//         */
-//        // TODO 芋艿，目前只会有【满减送】的情况，未来有新的促销方式，可能需要改成数组
-//        private PromotionActivityBO activity;
+        /**
+         * 优惠活动
+         *
+         * 目前会有满减送 {@link PromotionActivityTypeEnum#FULL_PRIVILEGE} 类型的活动
+         *
+         * // TODO 芋艿，目前只会有【满减送】的情况，未来有新的促销方式，可能需要改成数组
+         */
+        private PromotionActivityRespDTO activity;
         /**
          * 促销减少的金额
          *
@@ -77,14 +82,28 @@ public class PriceProductCalcRespDTO implements Serializable {
     @Accessors(chain = true)
     public static class Item {
 
+        /**
+         * 商品 SPU 编号
+         */
+        private Integer spuId;
+        /**
+         * 商品 SKU 编号
+         */
+        private Integer skuId;
+        /**
+         * 商品 Category 编号
+         */
+        private Integer cid;
         /**
          * 购买数量
          */
         private Integer buyQuantity;
-//        /**
-//         * 优惠活动
-//         */
-//        private PromotionActivityBO activity;
+        /**
+         * 优惠活动
+         *
+         * 目前会有限时折扣 {@link PromotionActivityTypeEnum#TIME_LIMITED_DISCOUNT} 类型的活动
+         */
+        private PromotionActivityRespDTO activity;
         /**
          * 原始单价，单位：分。
          */

promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/convert/coupon/CouponCardConvert.java

@@ -4,8 +4,6 @@ import cn.iocoder.mall.promotion.api.rpc.coupon.dto.CouponCardDetailRespDTO;
 import cn.iocoder.mall.promotion.api.rpc.coupon.dto.CouponCardReqDTO;
 import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.coupon.CouponCardDO;
 import cn.iocoder.mall.promotionservice.service.coupon.bo.CouponCardAvailableBO;
-import cn.iocoder.mall.promotionservice.service.coupon.bo.CouponCardBO;
-import cn.iocoder.mall.promotionservice.service.coupon.bo.CouponCardDetailBO;
 import org.mapstruct.Mapper;
 import org.mapstruct.Mappings;
 import org.mapstruct.factory.Mappers;
@@ -19,17 +17,13 @@ public interface CouponCardConvert {
 
 //    @Mappings({})
 //    CouponCardBO convertToBO(CouponCardDO banner);
-//
-    @Mappings({})
-    List<CouponCardBO> convertToBO(List<CouponCardDO> cardList);
+
+
 
     List<CouponCardReqDTO> convertToDTO(List<CouponCardDO> cardList);
 
     CouponCardReqDTO convertToSingleDTO(CouponCardDO card);
 
-    @Mappings({})
-    CouponCardBO convert(CouponCardDO card);
-
     @Mappings({})
     CouponCardDetailRespDTO convert2(CouponCardDO card);
 

promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/convert/coupon/card/CouponCardConvert.java

+package cn.iocoder.mall.promotionservice.convert.coupon.card;
+
+import cn.iocoder.mall.promotion.api.rpc.coupon.dto.card.CouponCardRespDTO;
+import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.coupon.CouponCardDO;
+import org.mapstruct.Mapper;
+import org.mapstruct.factory.Mappers;
+
+@Mapper
+public interface CouponCardConvert {
+
+    CouponCardConvert INSTANCE = Mappers.getMapper(CouponCardConvert.class);
+
+    CouponCardRespDTO convert(CouponCardDO bean);
+
+}

promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/convert/coupon/CouponTemplateConvert.java → promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/convert/coupon/card/CouponTemplateConvert.java

-package cn.iocoder.mall.promotionservice.convert.coupon;
+package cn.iocoder.mall.promotionservice.convert.coupon.card;
 
+import cn.iocoder.common.framework.util.StringUtils;
 import cn.iocoder.mall.promotion.api.rpc.coupon.dto.*;
+import cn.iocoder.mall.promotion.api.rpc.coupon.dto.template.CouponTemplateRespDTO;
 import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.coupon.CouponTemplateDO;
 import cn.iocoder.mall.promotionservice.service.coupon.bo.CouponCardTemplateAddBO;
 import cn.iocoder.mall.promotionservice.service.coupon.bo.CouponCardTemplateUpdateBO;
-import cn.iocoder.mall.promotionservice.service.coupon.bo.CouponTemplateBO;
 import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
 import org.mapstruct.Mappings;
+import org.mapstruct.Named;
 import org.mapstruct.factory.Mappers;
 
 import java.util.List;
@@ -18,9 +21,7 @@ public interface CouponTemplateConvert {
 
 //    @Mappings({})
 //    CouponTemplateBO convertToBO(CouponTemplateDO banner);
-//
-    @Mappings({})
-    List<CouponTemplateBO> convertToBO(List<CouponTemplateDO> templateList);
+
 
     List<CouponTemplateReqDTO> convertToDTO(List<CouponTemplateDO> templateList);
 
@@ -42,7 +43,12 @@ public interface CouponTemplateConvert {
     @Mappings({})
     CouponTemplateDO convert(CouponCardTemplateUpdateBO template);
 
-    @Mappings({})
-    CouponTemplateBO convert(CouponTemplateDO template);
+    @Mapping(source = "rangeValues", target = "rangeValues", qualifiedByName = "translateStringToIntList")
+    CouponTemplateRespDTO convert(CouponTemplateDO bean);
+
+    @Named("translateStringToIntList")
+    default List<Integer> translateStringToIntList(String str) {
+        return StringUtils.splitToInt(str, ",");
+    }
 
 }

promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/rpc/package-info.java

+package cn.iocoder.mall.promotionservice.rpc;

promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/rpc/price/PriceRpcImpl.java

+package cn.iocoder.mall.promotionservice.rpc.price;
+
+import cn.iocoder.common.framework.vo.CommonResult;
+import cn.iocoder.mall.promotion.api.rpc.price.PriceRpc;
+import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcReqDTO;
+import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcRespDTO;
+import cn.iocoder.mall.promotionservice.manager.price.PriceManager;
+import org.apache.dubbo.config.annotation.DubboService;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import static cn.iocoder.common.framework.vo.CommonResult.success;
+
+@DubboService
+public class PriceRpcImpl implements PriceRpc {
+
+    @Autowired
+    private PriceManager priceManager;
+
+    @Override
+    public CommonResult<PriceProductCalcRespDTO> calcProductPrice(PriceProductCalcReqDTO calcReqDTO) {
+        return success(priceManager.calcProductPrice(calcReqDTO));
+    }
+
+}

promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/service/coupon/CouponCardService.java

+package cn.iocoder.mall.promotionservice.service.coupon;
+
+import cn.iocoder.mall.promotion.api.rpc.coupon.dto.card.CouponCardRespDTO;
+import cn.iocoder.mall.promotionservice.convert.coupon.card.CouponCardConvert;
+import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.coupon.CouponCardDO;
+import cn.iocoder.mall.promotionservice.dal.mysql.mapper.coupon.CouponCardMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+import java.util.Objects;
+
+/**
+ * 优惠劵 Service
+ */
+@Service
+@Validated
+public class CouponCardService {
+
+    @Autowired
+    private CouponCardMapper couponCardMapper;
+
+    public CouponCardRespDTO getCouponCard(Integer userId, Integer couponCardId) {
+        CouponCardDO card = couponCardMapper.selectById(couponCardId);
+        if (card == null) {
+            return null;
+        }
+        if (!Objects.equals(userId, card.getUserId())) {
+            return null;
+        }
+        return CouponCardConvert.INSTANCE.convert(card);
+    }
+
+}

promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/service/coupon/CouponService.java

@@ -5,7 +5,7 @@ import cn.iocoder.common.framework.util.DateUtil;
 import cn.iocoder.mall.promotion.api.enums.*;
 import cn.iocoder.mall.promotion.api.rpc.coupon.dto.*;
 import cn.iocoder.mall.promotionservice.convert.coupon.CouponCardConvert;
-import cn.iocoder.mall.promotionservice.convert.coupon.CouponTemplateConvert;
+import cn.iocoder.mall.promotionservice.convert.coupon.card.CouponTemplateConvert;
 import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.coupon.CouponCardDO;
 import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.coupon.CouponTemplateDO;
 import cn.iocoder.mall.promotionservice.dal.mysql.mapper.coupon.CouponCardMapper;
@@ -31,11 +31,6 @@ public class CouponService {
 
     // ========== 优惠劵（码）模板 ==========
 
-    public cn.iocoder.mall.promotionservice.service.coupon.bo.CouponTemplateBO getCouponTemplate(Integer couponTemplateId) {
-        CouponTemplateDO template = couponTemplateMapper.selectById(couponTemplateId);
-        return CouponTemplateConvert.INSTANCE.convert(template);
-    }
-
     public CouponTemplatePageRespDTO getCouponTemplatePage(CouponTemplatePageReqDTO couponTemplatePageDTO) {
         CouponTemplatePageRespDTO couponTemplatePageBO = new CouponTemplatePageRespDTO();
         // 查询分页数据
@@ -51,7 +46,7 @@ public class CouponService {
         return couponTemplatePageBO;
     }
 
-    public cn.iocoder.mall.promotionservice.service.coupon.bo.CouponTemplateBO addCouponCardTemplate(CouponCardTemplateAddBO couponCardTemplateAddDTO) {
+    public Integer addCouponCardTemplate(CouponCardTemplateAddBO couponCardTemplateAddDTO) {
         // 校验生效日期相关
         checkCouponTemplateDateType(couponCardTemplateAddDTO.getDateType(),
                 couponCardTemplateAddDTO.getValidStartTime(), couponCardTemplateAddDTO.getValidEndTime(),
@@ -68,7 +63,7 @@ public class CouponService {
         template.setCreateTime(new Date());
         couponTemplateMapper.insert(template);
         // 返回成功
-        return CouponTemplateConvert.INSTANCE.convert(template);
+        return template.getId();
     }
 
     public Boolean updateCouponCodeTemplate(CouponCodeTemplateUpdateBO couponCodeTemplateUpdateDTO) {

promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/service/coupon/CouponTemplateService.java

+package cn.iocoder.mall.promotionservice.service.coupon;
+
+import cn.iocoder.mall.promotion.api.rpc.coupon.dto.template.CouponTemplateRespDTO;
+import cn.iocoder.mall.promotionservice.convert.coupon.card.CouponTemplateConvert;
+import cn.iocoder.mall.promotionservice.dal.mysql.mapper.coupon.CouponTemplateMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+/**
+ * 优惠劵模板 Service
+ */
+@Service
+@Validated
+public class CouponTemplateService {
+
+    @Autowired
+    private CouponTemplateMapper couponTemplateMapper;
+
+    public CouponTemplateRespDTO getCouponTemplate(Integer couponCardId) {
+        return CouponTemplateConvert.INSTANCE.convert(couponTemplateMapper.selectById(couponCardId));
+    }
+
+}

promotion-service-project/promotion-service-app/src/main/resources/application.yaml

@@ -41,7 +41,7 @@ dubbo:
       version: 1.0.0
     ProductSkuRpc:
       version: 1.0.0
-    ProductSpuService:
+    ProductSpuRpc:
       version: 1.0.0
 
 # RocketMQ 配置项

promotion-service-project/promotion-service-app/src/test/java/cn/iocoder/mall/promotionservice/manager/package-info.java

+package cn.iocoder.mall.promotionservice.manager;

promotion-service-project/promotion-service-app/src/test/java/cn/iocoder/mall/promotionservice/manager/price/PriceManagerTest.java

+package cn.iocoder.mall.promotionservice.manager.price;
+
+import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcReqDTO;
+import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcRespDTO;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import java.util.Arrays;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.NONE)
+public class PriceManagerTest {
+
+    @Autowired
+    private PriceManager priceManager;
+
+    @Test
+    public void testCalcProductPrice() {
+        PriceProductCalcReqDTO calcReqDTO = new PriceProductCalcReqDTO();
+        PriceProductCalcReqDTO.Item item01 = new PriceProductCalcReqDTO.Item(33, 2); // 满足满减送的商品
+        PriceProductCalcReqDTO.Item item02 = new PriceProductCalcReqDTO.Item(34, 2); // 满足限时折扣的商品
+        calcReqDTO.setItems(Arrays.asList(item01, item02));
+        PriceProductCalcRespDTO calcRespDTO = priceManager.calcProductPrice(calcReqDTO);
+        System.out.println(calcRespDTO);
+    }
+
+}

shop-web-app/pom.xml

@@ -72,6 +72,12 @@
             <artifactId>order-service-api</artifactId>
             <version>1.0-SNAPSHOT</version>
         </dependency>
+        <dependency>
+            <!-- 营销服务 -->
+            <groupId>cn.iocoder.mall</groupId>
+            <artifactId>promotion-service-api</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
         <dependency>
             <!-- 系统服务 -->
             <groupId>cn.iocoder.mall</groupId>

shop-web-app/src/main/java/cn/iocoder/mall/shopweb/controller/order/CartController.java

@@ -2,6 +2,7 @@ package cn.iocoder.mall.shopweb.controller.order;
 
 import cn.iocoder.common.framework.vo.CommonResult;
 import cn.iocoder.mall.security.user.core.context.UserSecurityContextHolder;
+import cn.iocoder.mall.shopweb.controller.order.vo.cart.CartDetailVO;
 import cn.iocoder.mall.shopweb.manager.order.cart.CartManager;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiImplicitParam;
@@ -40,4 +41,10 @@ public class CartController {
         return success(cartManager.sumCartItemQuantity(UserSecurityContextHolder.getUserId()));
     }
 
+    @GetMapping("/get-detail")
+    @ApiOperation("查询用户的购物车的商品列表")
+    public CommonResult<CartDetailVO> getCartDetail() {
+        return success(cartManager.getCartDetail());
+    }
+
 }

shop-web-app/src/main/java/cn/iocoder/mall/shopweb/controller/order/vo/cart/CartDetailVO.java

+package cn.iocoder.mall.shopweb.controller.order.vo.cart;
+
+import cn.iocoder.mall.promotion.api.rpc.activity.dto.PromotionActivityRespDTO;
+import cn.iocoder.mall.shopweb.controller.product.vo.attr.ProductAttrKeyValueRespVO;
+import io.swagger.annotations.ApiModel;
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import java.util.List;
+
+@ApiModel(value = "用户的购物车明细 VO")
+@Data
+@Accessors(chain = true)
+public class CartDetailVO {
+
+    /**
+     * 商品分组数组
+     */
+    private List<ItemGroup> itemGroups;
+    /**
+     * 费用
+     */
+    private Fee fee;
+
+    /**
+     * 商品分组
+     *
+     * 多个商品，参加同一个活动，从而形成分组。
+     */
+    @Data
+    @Accessors(chain = true)
+    public static class ItemGroup {
+
+        /**
+         * 优惠活动
+         */
+        private PromotionActivityRespDTO activity; // TODO 芋艿，偷懒
+        /**
+         * 促销减少的金额
+         *
+         * 1. 若未参与促销活动，或不满足促销条件，返回 null
+         * 2. 该金额，已经分摊到每个 Item 的 discountTotal ，需要注意。
+         */
+        private Integer activityDiscountTotal;
+        /**
+         * 商品数组
+         */
+        private List<Sku> items;
+
+    }
+
+    @Data
+    @Accessors(chain = true)
+    public static class Sku {
+
+        // SKU 自带信息
+        /**
+         * sku 编号
+         */
+        private Integer id;
+        /**
+         * SPU 信息
+         */
+        private Spu spu;
+        /**
+         * 图片地址
+         */
+        private String picURL;
+        /**
+         * 规格值数组
+         */
+        private List<ProductAttrKeyValueRespVO> attrs; // TODO 后面改下
+        /**
+         * 价格，单位：分
+         */
+        private Integer price;
+        /**
+         * 库存数量
+         */
+        private Integer quantity;
+
+        // 非 SKU 自带信息
+
+        /**
+         * 购买数量
+         */
+        private Integer buyQuantity;
+        /**
+         * 是否选中
+         */
+        private Boolean selected;
+        /**
+         * 优惠活动
+         */
+        private PromotionActivityRespDTO activity; // TODO 芋艿，偷懒
+        /**
+         * 原始单价，单位：分。
+         */
+        private Integer originPrice;
+        /**
+         * 购买单价，单位：分
+         */
+        private Integer buyPrice;
+        /**
+         * 最终价格，单位：分。
+         */
+        private Integer presentPrice;
+        /**
+         * 购买总金额，单位：分
+         *
+         * 用途类似 {@link #presentTotal}
+         */
+        private Integer buyTotal;
+        /**
+         * 优惠总金额，单位：分。
+         */
+        private Integer discountTotal;
+        /**
+         * 最终总金额，单位：分。
+         *
+         * 注意，presentPrice * quantity 不一定等于 presentTotal 。
+         * 因为，存在无法整除的情况。
+         * 举个例子，presentPrice = 8.33 ，quantity = 3 的情况，presentTotal 有可能是 24.99 ，也可能是 25 。
+         * 所以，需要存储一个该字段。
+         */
+        private Integer presentTotal;
+
+    }
+
+    @Data
+    @Accessors(chain = true)
+    public static class Spu {
+
+        /**
+         * SPU 编号
+         */
+        private Integer id;
+
+        // ========== 基本信息 =========
+        /**
+         * SPU 名字
+         */
+        private String name;
+        /**
+         * 分类编号
+         */
+        private Integer cid;
+        /**
+         * 商品主图地址
+         *
+         * 数组，以逗号分隔
+         *
+         * 建议尺寸：800*800像素，你可以拖拽图片调整顺序，最多上传15张
+         */
+        private List<String> picUrls;
+
+    }
+
+    /**
+     * 费用（合计）
+     */
+    @Data
+    @Accessors(chain = true)
+    public static class Fee {
+
+        /**
+         * 购买总价
+         */
+        private Integer buyTotal;
+        /**
+         * 优惠总价
+         *
+         * 注意，满多少元包邮，不算在优惠中。
+         */
+        private Integer discountTotal;
+        /**
+         * 邮费
+         */
+        private Integer postageTotal;
+        /**
+         * 最终价格
+         *
+         * 计算公式 = 总价 - 优惠总价 + 邮费
+         */
+        private Integer presentTotal;
+
+        public Fee() {
+        }
+
+        public Fee(Integer buyTotal, Integer discountTotal, Integer postageTotal, Integer presentTotal) {
+            this.buyTotal = buyTotal;
+            this.discountTotal = discountTotal;
+            this.postageTotal = postageTotal;
+            this.presentTotal = presentTotal;
+        }
+
+    }
+
+    /**
+     * 邮费信息 TODO 芋艿，未完成
+     */
+    @Data
+    @Accessors(chain = true)
+    public static class Postage {
+
+        /**
+         * 需要满足多少钱，可以包邮。单位：分
+         */
+        private Integer threshold;
+
+    }
+
+}

shop-web-app/src/main/java/cn/iocoder/mall/shopweb/convert/order/CartConvert.java

+package cn.iocoder.mall.shopweb.convert.order;
+
+import org.mapstruct.Mapper;
+import org.mapstruct.factory.Mappers;
+
+@Mapper
+public interface CartConvert {
+
+    CartConvert INSTANCE = Mappers.getMapper(CartConvert.class);
+
+}

shop-web-app/src/main/java/cn/iocoder/mall/shopweb/manager/order/cart/CartManager.java

 package cn.iocoder.mall.shopweb.manager.order.cart;
 
+import cn.iocoder.common.framework.util.CollectionUtils;
 import cn.iocoder.common.framework.vo.CommonResult;
 import cn.iocoder.mall.orderservice.rpc.cart.CartRpc;
 import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemAddReqDTO;
+import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemListReqDTO;
+import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemRespDTO;
+import cn.iocoder.mall.promotion.api.rpc.price.PriceRpc;
+import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcReqDTO;
+import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcRespDTO;
+import cn.iocoder.mall.shopweb.controller.order.vo.cart.CartDetailVO;
 import org.apache.dubbo.config.annotation.DubboReference;
 import org.springframework.stereotype.Service;
 
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
 /**
  * 购物车 Manager
  */
@@ -14,6 +25,8 @@ public class CartManager {
 
     @DubboReference(version = "${dubbo.consumer.ProductCategoryRpc.version}")
     private CartRpc cartRpc;
+    @DubboReference(version = "${dubbo.consumer.PriceRpc.version}")
+    private PriceRpc priceRpc;
 
     /**
      * 添加商品到购物车
@@ -40,4 +53,33 @@ public class CartManager {
         return sumCartItemQuantityResult.getData();
     }
 
+    /**
+     * 查询用户的购物车的商品列表
+     *
+     * @return 商品列表
+     */
+    public CartDetailVO getCartDetail(Integer userId) {
+        // 获得购物车中选中的
+        CommonResult<List<CartItemRespDTO>> listCartItemsResult = cartRpc.listCartItems(new CartItemListReqDTO().setUserId(userId));
+        listCartItemsResult.checkError();
+        // 购物车为空时，构造空的 UsersOrderConfirmCreateVO 返回
+        if (CollectionUtils.isEmpty(listCartItemsResult.getData())) {
+            CartDetailVO result = new CartDetailVO();
+            result.setItemGroups(Collections.emptyList());
+            result.setFee(new CartDetailVO.Fee(0, 0, 0, 0));
+            return result;
+        }
+        // 计算选中的商品价格
+        CommonResult<PriceProductCalcRespDTO> calcProductPriceResult = priceRpc.calcProductPrice(new PriceProductCalcReqDTO().setUserId(userId)
+                .setItems(listCartItemsResult.getData().stream()
+                        .filter(CartItemRespDTO::getSelected)
+                        .map(cartItem -> new PriceProductCalcReqDTO.Item(cartItem.getSkuId(), cartItem.getQuantity()))
+                        .collect(Collectors.toList())));
+        calcProductPriceResult.checkError();
+        // 拼接结果
+
+        // 执行数据拼装
+        return null;
+    }
+
 }

shop-web-app/src/main/resources/application.yml

@@ -39,6 +39,8 @@ dubbo:
       version: 1.0.0
     SearchProductRpc:
       version: 1.0.0
+    PriceRpc:
+      version: 1.0.0
 
 # Swagger 配置项
 swagger: