Consume node api using express js. (#111)

* v2.7.7 * add example using express js * remove yarn lock
pajaydev · Jul 19, 2020 · 3577818 · 3577818
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diff --git a/README.md b/README.md
@@ -14,9 +14,10 @@ The intent is to simplify the request process by handling the tedious logic. It'
 
 * [Installation](#installation)
 * [Usage](#usage)
+* [Starter Guide](#starter-guide)
+* [Using express js](#using-express-js)
 * [API Details](#api-details)
 * [Examples](#examples)
-* [Starter Guide](#starter-guide)
 * [Test](#test)
 * [Issues](#issues)
 
@@ -45,6 +46,9 @@ let ebay = new eBay({
 
 Check out the [Starter Guide](https://pajaydev.github.io/ebay-node-api) documentation with examples to get started.
 
+## Using Express js
+You can consume these ebay node api's using [Express](https://expressjs.com/). You can checkout the sample app [here](). 
+
 ## API details
 
 ### Without Auth flow

diff --git a/demo/node-express/README.md b/demo/node-express/README.md
@@ -0,0 +1,14 @@
+# Express js starter kit
+Consume `ebay-node-api` api's using node express js.
+
+
+## Run the example
+
+```shell
+npm install
+# start the server.
+npm start
+```
+
+## Authentication.
+Replace your client id here 
diff --git a/demo/node-express/index.html b/demo/node-express/index.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset='utf-8'>
+    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
+    <title>Ebay node api demo</title>
+    <meta name='viewport' content='width=device-width, initial-scale=1'>
+</head>
+<body>
+    <h1>Ebay node api playground</h1>
+    <input type="text" id="searchId" placeholder="Search for some items"/>
+    <button type="submit" onclick="search()">search</button>
+    <h4>Items: </h4>
+    <div id="search-items"></div>
+</body>
+<script>
+    const searchItems = document.getElementById('search-items');
+    function renderData(data){
+        const items = data[0].searchResult[0].item;
+        items.forEach((searchItem) => {
+            if(searchItem.title){
+                let element = document.createElement('div');
+                element.textContent = searchItem.title[0];
+                searchItems.appendChild(element);
+            }
+        });
+    }
+    function search(){
+        const searchText = document.getElementById('searchId').value;
+        // clear the existing items.
+        searchItems.innerHTML = '';
+        fetch(`/search?keyword=${searchText}`)
+        .then(response => response.json())
+        .then(data => {
+            renderData(data); // prints actual data.
+        })
+        .catch(error => console.log(error));
+    }
+</script>
+</html>
diff --git a/demo/node-express/package.json b/demo/node-express/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "ebay-node-api-example",
+  "version": "1.0.0",
+  "main": "server.js",
+  "license": "MIT",
+  "dependencies": {
+    "ebay-node-api": "^2.8.7",
+    "express": "^4.17.1"
+  },
+  "scripts": {
+    "start" : "node server.js"
+  }
+}
diff --git a/demo/node-express/server.js b/demo/node-express/server.js
@@ -0,0 +1,36 @@
+'use strict';
+const express = require('express');
+const path = require('path');
+const Ebay = require('ebay-node-api');
+const app = express();
+const port = 3000;
+
+const ebay = new Ebay({
+    clientID: "----Client id----"
+});
+
+// load index.html
+app.get('/', (req, res) => res.sendFile(path.join(__dirname + '/index.html')));
+
+// create a route to search items in eBay. 
+app.use('/search', function(req, res){
+    const queryParam = req.query;
+    // call the ebay api
+    ebay.findItemsByKeywords({
+        keywords: queryParam.keyword,
+        sortOrder: 'PricePlusShippingLowest', //https://developer.ebay.com/devzone/finding/callref/extra/fndcmpltditms.rqst.srtordr.html
+        Condition: 3000,
+        SoldItemsOnly: false,
+        affiliate: {
+            networkId: 9,
+            trackingId: 1234567890
+        }
+    }).then((data) => {
+        return res.status(200).send(data);
+    }, (error) => {
+        return res.status(404).send(data);
+    });
+});
+
+// listen to the port.
+app.listen(port, () => console.log(`Example app listening at http://localhost:${port}`));