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Develop #208

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598b4cb
Update @mate-academy/scripts to ^2.1.3
mpodaniev May 30, 2026
55bb16c
Add basic expense form UI
mpodaniev May 31, 2026
2faec99
Implement basic expense tracking server logic
mpodaniev May 31, 2026
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9 changes: 5 additions & 4 deletions package-lock.json
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2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@
"license": "GPL-3.0",
"devDependencies": {
"@mate-academy/eslint-config": "latest",
"@mate-academy/scripts": "^1.8.6",
"@mate-academy/scripts": "^2.1.3",
"axios": "^1.7.2",
"eslint": "^8.57.0",
"eslint-plugin-jest": "^28.6.0",
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72 changes: 70 additions & 2 deletions src/createServer.js
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Original file line number Diff line number Diff line change
@@ -1,8 +1,76 @@
'use strict';

const http = require('node:http');
const fs = require('node:fs');
const path = require('node:path');
const querystring = require('node:querystring');

const DB_PATH = path.resolve(__dirname, '../db/expense.json');
const FORM_PATH = path.resolve(__dirname, './views/form.html');

function createServer() {
/* Write your code here */
// Return instance of http.Server class
return http.createServer((req, res) => {
if (req.method === 'GET' && req.url === '/') {
const html = fs.readFileSync(FORM_PATH, 'utf-8');

res.writeHead(200, { 'Content-Type': 'text/html' });
res.end(html);

return;
}

if (req.method === 'POST' && req.url === '/add-expense') {
let body = '';

req.on('data', (chunk) => {
body += chunk;
});

req.on('end', () => {
const contentType = req.headers['content-type'] || '';
let expense;

if (contentType.includes('application/x-www-form-urlencoded')) {
expense = querystring.parse(body);
} else {
try {
expense = JSON.parse(body);
} catch {
expense = querystring.parse(body);
}
}

const { date, title, amount } = expense;

if (!date || !title || !amount) {
res.writeHead(400, { 'Content-Type': 'text/plain' });
res.end('Bad Request: date, title and amount are required');

return;
}

const data = { date, title, amount };

fs.writeFileSync(DB_PATH, JSON.stringify(data));

const html = `<!DOCTYPE html>
<html>
<head><meta charset="utf-8"><title>Expense Saved</title></head>
<body>
<pre>${JSON.stringify(data, null, 2)}</pre>
</body>
</html>`;

res.writeHead(200, { 'Content-Type': 'text/html' });
res.end(html);
});

return;
}

res.writeHead(404, { 'Content-Type': 'text/plain' });
res.end('Not Found');
});
}

module.exports = {
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28 changes: 28 additions & 0 deletions src/views/form.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Add Expense</title>
</head>
<body>
<h1>Add Expense</h1>
<form action="/add-expense" method="POST">
<label>
Date:
<input type="date" name="date" required />
</label>
<br />
<label>
Title:
<input type="text" name="title" required />
</label>
<br />
<label>
Amount:
<input type="number" name="amount" required />
</label>
<br />
<button type="submit">Submit</button>
</form>
</body>
</html>
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