添加单个产品库存查询功能

在StockApi中添加了通过产品ID查询库存数据的功能。使用了CollUtil类来检查库存列表是否为空，并返回相应的成功或失败消息。这个改动提升了库存查询的便利性。

添加单个产品库存查询功能
在StockApi中添加了通过产品ID查询库存数据的功能。使用了CollUtil类来检查库存列表是否为空，并返回相应的成功或失败消息。这个改动提升了库存查询的便利性。
shaofan
1 parent f38b5817
Showing 1 changed file with 19 additions and 0 deletions
etrade-shop/src/main/java/com/diligrp/etrade/shop/api/StockApi.java
 package com.diligrp.etrade.shop.api;
+import cn.hutool.core.collection.CollUtil;
 import com.diligrp.etrade.core.domain.Message;
 import com.diligrp.etrade.shop.domain.request.StockAddRequest;
 import com.diligrp.etrade.shop.domain.request.StockDeductRequest;
+import com.diligrp.etrade.shop.model.Stock;
 import com.diligrp.etrade.shop.service.StockService;
 import com.diligrp.idempotent.spring.boot.annotation.Idempotent;
 import org.springframework.web.bind.annotation.*;
+import java.util.Collections;
 import java.util.List;
 /**
@@ -52,4 +55,20 @@ public class StockApi {
         return Message.success();
     }
+
+    /**
+     * Query stock data for a single product.
+     *
+     * @param productId The ID of the product to query stock data for.
+     * @return Stock data for the specified product.
+     */
+    @GetMapping("/{productId}")
+    public Message<Stock> getStockByProductId(@PathVariable Long productId) {
+        List<Stock> stocks = stockService.listByProductIds(Collections.singletonList(productId));
+        if (CollUtil.isEmpty(stocks)) {
+            return Message.failure("Stock data not found for the product ID: " + productId);
+        }
+        return Message.success(stocks.get(0));
+    }
+
 }