增加商品库存验证,增加如果有sku则同步sku总库存与最小价格

yshop-shop/src/main/java/co/yixiang/modules/shop/domain/YxStoreProduct.java

@@ -10,12 +10,9 @@ import cn.hutool.core.bean.copier.CopyOptions;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import lombok.Data;
+import lombok.*;
 
-import javax.validation.constraints.DecimalMax;
-import javax.validation.constraints.DecimalMin;
-import javax.validation.constraints.NotBlank;
-import javax.validation.constraints.NotNull;
+import javax.validation.constraints.*;
 import java.io.Serializable;
 import java.math.BigDecimal;
 
@@ -24,8 +21,13 @@ import java.math.BigDecimal;
 * @date 2020-05-12
 */
 
-@Data
+
 @TableName("yx_store_product")
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
 public class YxStoreProduct implements Serializable {
 
     /** 商品id */
@@ -104,6 +106,8 @@ public class YxStoreProduct implements Serializable {
 
 
     /** 库存 */
+    @NotNull(message = "请输入库存")
+    @Min(message = "库存不能小于0",value = 1)
     private Integer stock;
 
 

yshop-shop/src/main/java/co/yixiang/modules/shop/service/impl/YxStoreProductServiceImpl.java

@@ -43,13 +43,7 @@ import org.springframework.transaction.annotation.Transactional;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.LinkedHashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.stream.Collectors;
 
 // 默认不使用缓存
@@ -242,6 +236,29 @@ public class YxStoreProductServiceImpl extends BaseServiceImpl<StoreProductMappe
             throw new BadRequestException("请设置至少一个属性!");
         }
 
+        //如果设置sku 处理价格与库存
+
+        ////取最小价格
+        BigDecimal minPrice = valueGroup
+                .stream()
+                .map(YxStoreProductAttrValue::getPrice)
+                .min(Comparator.naturalOrder())
+                .orElse(BigDecimal.ZERO);
+
+        //计算库存
+        Integer stock = valueGroup
+                .stream()
+                .map(YxStoreProductAttrValue::getStock)
+                .reduce(Integer::sum)
+                .orElse(0);
+
+        YxStoreProduct yxStoreProduct = YxStoreProduct.builder()
+                .stock(stock)
+                .price(minPrice)
+                .id(id)
+                .build();
+        this.updateById(yxStoreProduct);
+
         //插入之前清空
         clearProductAttr(id,false);