迁移 cart 的 web api

解决 promotion-service 模块的启动

order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/dal/mysql/mapper/cart/CartItemMapper.java

@@ -8,6 +8,7 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import org.apache.ibatis.annotations.Param;
 import org.springframework.stereotype.Repository;
 
+import java.math.BigDecimal;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
@@ -37,7 +38,7 @@ public interface CartItemMapper extends BaseMapper<CartItemDO> {
                 .select("SUM(quantity) AS sumQuantity")
                 .eq("user_id", userId));
         // 获得数量
-        return (Integer) result.get(0).get("sumQuantity");
+        return ((BigDecimal) result.get(0).get("sumQuantity")).intValue();
     }
 
     default List<CartItemDO> selectList(CartItemListQueryBO queryBO) {

order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/manager/cart/CartManager.java

@@ -38,7 +38,7 @@ public class CartManager {
         // 校验商品 SKU 是否合法
         ProductSkuRespDTO skuDTO = this.checkProductSku(addReqDTO.getSkuId());
         // 添加购物车项
-        cartService.addCartItem(CartConvert.INSTANCE.convert(addReqDTO), skuDTO.getQuantity());
+        cartService.addCartItem(CartConvert.INSTANCE.convert(addReqDTO).setSpuId(skuDTO.getSpuId()), skuDTO.getQuantity());
     }
 
     /**

order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/service/cart/bo/CartItemAddBO.java

@@ -10,7 +10,7 @@ import javax.validation.constraints.NotNull;
  * 购物车添加购物项 Request DTO
  */
 @Data
-@Accessors
+@Accessors(chain = true)
 public class CartItemAddBO {
 
     /**

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

@@ -39,6 +39,8 @@ dubbo:
   consumer:
     ErrorCodeRpc:
       version: 1.0.0
+    ProductSkuRpc:
+      version: 1.0.0
 
 # RocketMQ 配置项
 rocketmq: