Copilot third commit

Author: codemauri

comments.js

@@ -0,0 +1,39 @@
+// Create web server
+const http = require('http');
+const fs = require('fs');
+const url = require('url');
+const { parse } = require('querystring');
+
+const server = http.createServer((req, res) => {
+    const path = url.parse(req.url).pathname;
+    const params = url.parse(req.url, true).query;
+    if (path === '/add-comment') {
+        let body = '';
+        req.on('data', chunk => {
+            body += chunk.toString();
+        });
+        req.on('end', () => {
+            const comment = parse(body).comment;
+            fs.appendFile('comments.txt', comment + '\n', err => {
+                if (err) {
+                    res.writeHead(500);
+                    res.end('Error: ' + err);
+                    return;
+                }
+                res.writeHead(200);
+                res.end('Comment added');
+            });
+        });
+    } else {
+        res.writeHead(200, {'Content-Type': 'text/html'});
+        res.write('<form action="/add-comment" method="post">');
+        res.write('<textarea name="comment"></textarea><br>');
+        res.write('<input type="submit">');
+        res.write('</form>');
+        res.end();
+    }
+});
+
+server.listen(3000, () => {
+    console.log('Server listening on port 3000');
+});