server.js

const express = require('express');

const app = express();

app.use(express.json());

let currentUser = {
	id: '123',
	name: 'John Doe',
	age: 54,
	hairColor: 'brown',
	hobbies: ['swimming', 'bicycling', 'video games'],
};

let users = [
	{
		id: '123',
		name: 'John Doe',
		age: 54,
		hairColor: 'brown',
		hobbies: ['swimming', 'bicycling', 'video games'],
	},
	{
		id: '234',
		name: 'Brenda Smith',
		age: 33,
		hairColor: 'black',
		hobbies: ['golf', 'mathematics'],
	},
	{
		id: '345',
		name: 'Jane Garcia',
		age: 27,
		hairColor: 'blonde',
		hobbies: ['biology', 'medicine', 'gymnastics'],
	},
];

const products = [
	{
		id: '1234',
		name: 'Flat-Screen TV',
		price: '$300',
		description: 'Huge LCD screen, a great deal',
		rating: 4.5,
	},
	{
		id: '2345',
		name: 'Basketball',
		price: '$10',
		description: 'Just like the pros use',
		rating: 3.8,
	},
	{
		id: '3456',
		name: 'Running Shoes',
		price: '$120',
		description: 'State-of-the-art technology for optimum running',
		rating: 4.2,
	},
];

app.get('/current-user', (req, res) => {
	res.json(currentUser);
});

app.get('/users/:id', (req, res) => {
	const { id } = req.params;

	res.json(users.find((user) => user.id === id));
});

app.post('/users/:id', (req, res) => {
	const { id } = req.params;
	const { user: updatedUser } = req.body;

	users = users.map((user) => (user.id === id ? updatedUser : user));

	res.json(users.find((user) => user.id === id));
});

app.get('/users', (req, res) => {
	res.json(users);
});

app.get('/products/:id', (req, res) => {
	const { id } = req.params;

	res.json(products.find((product) => product.id === id));
});

app.get('/products', (req, res) => {
	res.json(products);
});

app.listen(8080, () => {
	console.log('Server is listening on port 8080');
});