some test code with mongodb and backend

campus-connect-react/backend/package.json

@@ -9,6 +9,7 @@
   "author": "Byte-Force",
   "license": "ISC",
   "dependencies": {
+    "axios": "^1.4.0",
     "express": "^4.18.2",
     "mongodb": "^5.7.0",
     "nodemon": "^3.0.1"

campus-connect-react/backend/server.js

@@ -1,3 +1,48 @@
+//set server.js
 const express = require('express');
 const app = express();
-const port = 3000;app.listen(port, () => console.log(`Server listening on port ${port}!`));
+const port = 3000;
+const axios = require('axios');
+const {MongoClient} = require('mongodb');
+
+const url = 'mongodb+srv://fengj5:[email protected]/?retryWrites=true&w=majority';
+const client = new MongoClient(url);
+
+// app.use(express.json());
+// app.use((req, res, next) => {
+//   res.setHeader("Access-Control-Allow-Origin", "https://fengj5.eastus.cloudapp.azure.com/node");
+//     // res.setHeader("Access-Control-Allow-Origin", "http://localhost:5173");
+
+//   res.setHeader(
+//     "Access-Control-Allow-Headers",
+//     "Origin, X-Requested-With, Content-Type, Accept"
+//   );
+//   res.setHeader(
+//     "Access-Control-Allow-Methods",
+//     "GET, POST, PATCH, DELETE, OPTIONS, PUT"
+//   );
+
+//   next();
+// });
+
+app.get('/db', async (req, res) => {
+  // connect to database and call news api with axios https://newsapi.org/v2/everything?q=us&apiKey=43940c2d527346fda96ecbbee77ca1bb
+    try{
+        await client.connect();
+        const database = client.db('CampusConnect');
+        // console log all collections name in database
+        const collections = await database.listCollections().toArray();
+        console.log(collections);
+        //console log the version of mongodb
+        const serverInfo = await database.command({buildInfo: 1});
+        console.log(serverInfo.version);
+
+    }
+    catch (error) {
+        console.error(error);
+        res.status(500).json({ error: 'An error occurred while fetching data.' });
+      } finally {
+        await client.close();
+      }
+});
+app.listen(port, () => { console.log(`Server listening on port ${port}`); });