curso de api rest

const express = require ('express')
const app = express();
app.use(express.json())

let users = [
    {
        "id" : 1,
        "name": "Jorge",
        "lastname": "caloir",
        "position": "usuario"
    },
    {
        "id" : 2,
        "name": "Oscar",
        "lastname": "Zabrano",
        "position": "Programador"
    },
    {
        "id" : 3,
        "name": "Ender",
        "lastname": "Perez",
        "position": "Gerente"
    }
] 

app.get('/api/users', (request, response) => {
    response.json(users)
})

app.get('/api/users/:id', (request, response) => {
    const id = Number(request.params.id)
    const user = users.find( user => user.id === id)
    if (user) {
        response.json(user)
    } else {
        response.status(404).end()
    }
})

app.delete('/api/users/:id', (request, response) => {
    const id = Number(request.params.id)
    users = users.filter( user => user.id !== id)
    response.status(204).end()  
})

app.post('/api/users', (request, response) => {
    const user = request.body
    console.log(user);
    response.json(user)
    const ids = users.map( user => user.id)
    const maxId = Math.max(...ids)
    console.log(user)
    const newUser = [{
        id : maxId + 1,
        name : user.name,
        lastname : user.lastname,
        position : user.position,
    }]
    users = [... users, newUser]

   
})

const PORT = 3001
app.listen(PORT), () => {