structured API with controllersroutes

api/controllers/itemLookup.js

@@ -0,0 +1,36 @@
+// controllers/itemLookup.js
+import fetch from "node-fetch";
+import fetchEbayToken from "../utils/fetchEbayToken.js"; // Adjust the import path according to your project structure
+
+const itemLookup = async (req, res) => {
+  const productCode = req.body.productCode;
+  const oauthToken = await fetchEbayToken();
+  console.log(productCode);
+  try {
+    const response = await fetch(
+      `https://api.ebay.com/buy/browse/v1/item_summary/search?gtin=${productCode}`,
+      {
+        method: "GET",
+        headers: {
+          Authorization: `Bearer ${oauthToken}`,
+          "Content-Type": "application/json",
+        },
+      }
+    );
+    console.log(response);
+    if (!response.ok)
+      throw new Error("Failed to fetch data from eBay Browse API");
+
+    const data = await response.json();
+    data.itemSummaries.forEach((item) => {
+      console.log(item.price, item.condition);
+    });
+
+    res.status(200).send("Data fetched successfully");
+  } catch (error) {
+    console.error("Error fetching data from eBay Browse API:", error);
+    res.status(500).send("Internal Server Error");
+  }
+};
+
+export default itemLookup;