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52 changes: 47 additions & 5 deletions src/createServer.js
Original file line number Diff line number Diff line change
@@ -1,10 +1,52 @@
'use strict';

const http = require('http');
const fs = require('fs');
const path = require('path');

const dataPath = path.resolve(__dirname, '../db/expense.json');

function createServer() {
/* Write your code here */
// Return instance of http.Server class
return http.createServer(async (req, res) => {
const url = new URL(req.url, `http://${req.headers.host}`);

// Обробляємо тільки POST /add-expense
if (url.pathname === '/add-expense' && req.method === 'POST') {
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The task requires the application to show an HTML form. This server only handles the POST /add-expense request. You should also implement a handler for a GET request (e.g., to the root path /) that serves the HTML form to the user.

const chunks = [];

try {
for await (const chunk of req) {
chunks.push(chunk);
}

const body = Buffer.concat(chunks).toString();
const expense = JSON.parse(body);

// ВАЛІДАЦІЯ: перевіряємо наявність усіх полів
if (!expense.date || !expense.title || !expense.amount) {
res.statusCode = 400; // Або інший код помилки

return res.end('Missing required fields');
}

// ЗБЕРЕЖЕННЯ: перезаписуємо файл згідно з тестом
fs.writeFileSync(dataPath, JSON.stringify(expense));

// ВІДПОВІДЬ: JSON формат
res.setHeader('Content-Type', 'application/json');

return res.end(JSON.stringify(expense));
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According to the task description, the server should "return an HTML page with well formatted JSON". This means the Content-Type header should be text/html and the body should be an HTML document that displays the JSON data, not a raw JSON response.

} catch (err) {
res.statusCode = 400;

return res.end('Invalid JSON');
}
}

// Всі інші маршрути — 404
res.statusCode = 404;
res.end('Not Found');
});
}

module.exports = {
createServer,
};
module.exports = { createServer };