Kakapo CRUD

kakapo-crud.js

import {Database, Router, Server, Response as KakapoResponse} from 'Kakapo';
  
const sever = new Server();
const router = new Router();
const databse = new Database();

database.register('user', faker => {
  return {
    firstName: faker.name.firstName,
    lastName: faker.name.lastName,
    age: 24
  };
});

database.create('user', 5);

router.get('/users', (request, db) => {
  return db.all('user');
});
router.post('/users', (request, db) => {
  const user = JSON.parse(request.body);

  db.push('user', user);

  return user;
});
router.put('/users/:user_id', (request, db) => {
  const newLastName = JSON.parse(request.body).lastName;
  const user = db.findOne('user', request.params.user_id);

  user.lastName = newLastName;
  user.save();

  return user;
});
router.delete('/users/:user_id', (request, db) => {
  const user = db.findOne('user', request.params.user_id);
  const code = user ? 200 : 400;
  const body = {code};
  
  user && user.delete();

  return new KakapoResponse(code, body);
});

const server = new Server();

server.use(database);
server.use(router);

const getUsers = () => {
  return fetch('/users').then(r => r.json());
}

const createUser = (user) => {
  return $.post('/users', user);
};

const updateLast = () => {
  return $.ajax({
    url: '/users/6',
    method: 'PUT',
    data: {lastName: 'Zarco'}
  });
};

const deleteFirst = () => {
  return $.ajax({
    url: '/users/1',
    method: 'DELETE'
  });
};

getUsers() // users[0].id === 1, users.length === 5
  .then(createUser.bind(null, {firstName: 'Hector'})) // response.id === 6, response.firstName === 'Hector'
  .then(deleteFirst) // response.code === 200
  .then(getUsers) // users[0].id == 2, users[4].id == 6, users.length == 5
  .then(updateLast) // user.id == 6, user.lastName == 'Zarco'
  .then(getUsers) // users.length == 5