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index.js
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index.js
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const http = require('http');
const dotenv = require('dotenv');
const path = require('path');
const fs = require('fs');
const url = require('url');
//! dotenv config
dotenv.config();
//! declaration variable
const PORT = process.env.PORT;
const PUBLIC_DIRECTORY = path.join(__dirname, 'public');
const carsRoute = (fileName) => {
const filePath = path.join(PUBLIC_DIRECTORY, fileName);
return fs.readFileSync(filePath, 'utf-8');
};
const toJSON = (value) => {
return JSON.stringify(value);
};
//! HTML Request
// const onRequest = (req, res) => {
// switch (req.url) {
// case '/':
// res.writeHead(200);
// res.end(carsRoute('index.html'));
// break;
// case '/cars':
// res.writeHead(200);
// res.end(carsRoute('cars.html'));
// break;
// default:
// res.writeHead(404);
// res.end(carsRoute('404.html'));
// break;
// }
// };
//! JSON Req
// const onRequest = (req, res) => {
// const responseJSON = toJSON({
// id: 'myID-eaaa-15oct-ily',
// username: 'viery nugroho',
// email: '[email protected]',
// encrypted_password: 'lkasdn23kjasdAS02*&s12%',
// });
// res.setHeader('Content-Type', 'application/json');
// res.writeHead(200);
// res.end(responseJSON);
// };
//! CRUD Method
const onRequest = (req, res) => {
const parsedUrl = url.parse(req.url, true);
const path = parsedUrl.pathname;
//! Services
const readFile = (filePath) => {
return fs.readFileSync(filePath, 'utf-8');
};
const getAllUsers = () => {
const filePath = './data/users.json';
const data = readFile(filePath);
const jsonData = JSON.parse(data);
return jsonData;
};
const getUserById = (userId) => {
const allUsers = getAllUsers();
const user = allUsers.find((user) => user.id == userId.id);
if (user == null) {
return res.end('User Not Found!');
}
return user;
};
//! Controller
const createUser = (data) => {
const filePath = './data/users.json';
const allUsers = getAllUsers();
const idUsers = allUsers.map((user) => user.id);
if (idUsers.includes(data.id)) {
return res.end('ID already exists. Please update data instead.');
}
const updatedData = [...allUsers, data];
const updatedJsonData = JSON.stringify(updatedData);
fs.writeFileSync(filePath, updatedJsonData);
};
const updateUser = (data) => {
const filePath = './data/users.json';
const allUsers = getAllUsers();
const user = getUserById(data);
user.name = data.name;
user.address = data.address;
user.age = data.age;
const updatedUser = allUsers.map((u) => (u.id === user.id ? user : u));
fs.writeFileSync(filePath, JSON.stringify(updatedUser));
};
const deleteUser = (data) => {
const filePath = './data/users.json';
const allUsers = getAllUsers();
const user = getUserById(data);
const userUndeleted = allUsers.filter((u) => u.id !== user.id);
fs.writeFileSync(filePath, JSON.stringify(userUndeleted));
};
switch (req.method) {
case 'GET':
if (path === '/') {
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(JSON.stringify(getAllUsers()));
} else {
res.writeHead(404, { 'Content-Type': 'application/json' });
res.end('404 Not Found');
}
break;
case 'POST':
createUser({
id: '151002',
name: 'Viery',
age: 21,
address: 'Blitar',
});
res.writeHead(201, { 'Content-Type': 'text/plain' });
res.end(`User Created Successfully with data`);
break;
case 'PUT':
updateUser({
id: '151002',
name: 'Viery',
age: 21,
address: 'Blitar',
});
res.writeHead(200, { 'Content-Type': 'text/plain' });
res.end('User Updated Successfully');
break;
case 'DELETE':
deleteUser({
id: '200802',
});
res.writeHead(200, { 'Content-Type': 'text/plain' });
res.end('DELETE User');
break;
default:
res.writeHead(405, { 'Content-Type': 'text/plain' });
res.end('Method Not Allowed');
}
};
const server = http.createServer(onRequest);
server.listen(PORT, () => {
console.log(`Server running in http://localhost:${PORT}`);
});