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add task solution #207

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70 changes: 68 additions & 2 deletions src/createServer.js
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Original file line number Diff line number Diff line change
@@ -1,8 +1,74 @@
'use strict';

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

function createServer() {
/* Write your code here */
// Return instance of http.Server class
const server = http.createServer((req, res) => {
if (req.method === 'GET' && req.url === '/') {
res.setHeader('Content-Type', 'text/html');

const html =
// eslint-disable-next-line max-len
'<!DOCTYPE html><html><body><form method="POST" action="/add-expense"><input name="date" /><input name="title" /><input name="amount" /><button type="submit">Submit</button></form></body></html>';

res.end(html);
} else if (req.method === 'POST' && req.url === '/add-expense') {
let body = '';

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

res.setHeader('Content-Type', 'text/html');

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

if (
req.headers['content-type'].includes(
'application/x-www-form-urlencoded',
)
) {
expense = querystring.parse(body);
} else {
expense = JSON.parse(body);
}

if (
expense.date === undefined ||
expense.title === undefined ||
expense.amount === undefined
) {
res.statusCode = 400;
res.end('Bad request');
} else {
fs.writeFileSync(
path.resolve(__dirname, '../db/expense.json'),
JSON.stringify(expense),
);
res.statusCode = 200;

const html =
// eslint-disable-next-line max-len
`<!DOCTYPE html><html><body><pre>${JSON.stringify(expense, null, 2)}</pre></body></html>`;

res.end(html);

return;
}
}
res.statusCode = 400;
res.end();
});
} else {
res.statusCode = 404;
res.end('Bad request');
}
});

return server;
}

module.exports = {
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