Skip to content

Solution for node_form-data #145

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
kovaltar wants to merge 3 commits into
base: master
Choose a base branch
from
Open

Solution for node_form-data #145

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
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
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
27 changes: 27 additions & 0 deletions public/index.html
View file
Open in desktop
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>
109 changes: 107 additions & 2 deletions src/createServer.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -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 = {
Expand Down