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Solution for node_form-data #145

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Solution for node_form-data #145

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a48ff06
Solution for node_form-data
kovaltar Apr 29, 2025
96c654c
Solution adding data to current file
kovaltar Apr 29, 2025
3fdee15
Solution adding data to current file
kovaltar Apr 29, 2025
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27 changes: 27 additions & 0 deletions public/index.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Form Data</title>
</head>

<body>
<h1>Form Data</h1>
<form action="/add-expense" method="post" enctype="application/x-www-form-urlencoded">
<label for="date">Date:</label>
<input id="date" name="date" type="date"/>
<br />
<br />
<label for="title">Title:</label>
<input id="title" name="title" type="text"/>
<br />
<br />
<label for="amount">Amount:</label>
<input id="amount" name="amount" type="number"/>
<br />
<br />
<button type="submit">Send</button>
</form>
</body>
</html>
85 changes: 83 additions & 2 deletions src/createServer.js
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Original file line number Diff line number Diff line change
@@ -1,8 +1,89 @@
'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 dataJSON = JSON.stringify(dataObj, null, 2);
const filePath = path.resolve('db', 'expense.json');

fs.writeFile(filePath, dataJSON, (err) => {
if (err) {
res.writeHead(500, { 'Content-Type': 'text/plain' });

return res.end(`Server error: ${err}`);
}
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(dataJSON);
});
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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 29, 2025

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Issue: The code overwrites 'db/expense.json' with each new POST request instead of appending new expenses. If the task requires storing multiple expenses, you should read the existing file, parse it as an array, push the new expense, and then write the updated array back to the file. Please check the task description or checklist to confirm the required behavior.

} 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 = {
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