diff --git a/public/index.html b/public/index.html
new file mode 100644
index 0000000..a0be0f9
--- /dev/null
+++ b/public/index.html
@@ -0,0 +1,27 @@
+
+
+
+
+
+ Form Data
+
+
+
+ Form Data
+
+
+
diff --git a/src/createServer.js b/src/createServer.js
index 1cf1dda..dd80216 100644
--- a/src/createServer.js
+++ b/src/createServer.js
@@ -1,8 +1,113 @@
'use strict';
+const http = require('node:http');
+const fs = require('node:fs');
+const path = require('node:path');
+
function createServer() {
- /* Write your code here */
- // Return instance of http.Server class
+ const server = http.createServer((req, res) => {
+ const reqUrl = new URL(req.url || '', `http://${req.headers.host}`);
+ const pathname = reqUrl.pathname;
+
+ if (req.method === 'GET' && pathname === '/') {
+ const indexPath = path.resolve('public', 'index.html');
+
+ res.statusCode = 200;
+ res.setHeader('Content-Type', 'text/html');
+ fs.createReadStream(indexPath).pipe(res);
+
+ return;
+ }
+
+ if (req.method === 'GET' && pathname === '/add-expense') {
+ res.statusCode = 400;
+
+ return res.end('Only POST method allowed');
+ }
+
+ if (req.method === 'POST' && pathname === '/add-expense') {
+ let body = '';
+
+ req.on('data', (chunk) => {
+ body += chunk.toString();
+ });
+
+ req.on('end', () => {
+ let dataObj;
+
+ try {
+ const contentType = req.headers['content-type'];
+
+ if (contentType.includes('application/json')) {
+ dataObj = JSON.parse(body);
+ } else if (
+ contentType.includes('application/x-www-form-urlencoded')
+ ) {
+ const parsed = new URLSearchParams(body);
+
+ dataObj = Object.fromEntries(parsed.entries());
+ } else {
+ res.writeHead(400, { 'Content-Type': 'text/plain' });
+
+ return res.end('Unsupported content type');
+ }
+
+ const { date, title, amount } = dataObj;
+
+ if (!date || !title || !amount) {
+ res.writeHead(400, { 'Content-Type': 'text/plain' });
+
+ return res.end('Invalid data format');
+ }
+
+ const filePath = path.resolve('db', 'expense.json');
+
+ fs.readFile(filePath, (err, fileData) => {
+ let parsedFileData = [];
+
+ if (err) {
+ res.writeHead(500, { 'Content-Type': 'text/plain' });
+
+ return res.end(`Server error: ${err}`);
+ } else {
+ parsedFileData = JSON.parse(fileData);
+
+ if (typeof parsedFileData === 'object') {
+ if (Object.keys(parsedFileData).length) {
+ parsedFileData = [parsedFileData];
+ parsedFileData.push(dataObj);
+ } else if (!Object.keys(parsedFileData).length) {
+ parsedFileData = dataObj;
+ } else if (Array.isArray(parsedFileData)) {
+ parsedFileData.push(dataObj);
+ }
+ }
+
+ const newData = JSON.stringify(parsedFileData, null, 2);
+
+ fs.writeFile(filePath, newData, (error) => {
+ if (error) {
+ res.writeHead(500, { 'Content-Type': 'text/plain' });
+
+ return res.end(`Server error: ${error}`);
+ }
+ res.writeHead(200, { 'Content-Type': 'application/json' });
+ res.end(newData);
+ });
+ }
+ });
+ } catch (e) {
+ res.writeHead(400, { 'Content-Type': 'text/plain' });
+ res.end(`Invalid request body: ${e.message}`);
+ }
+ });
+ } else {
+ res.statusCode = 404;
+ res.end('Not found');
+ }
+ });
+
+ return server;
}
module.exports = {