GiancarlosIO

# my_api/config/routes.rb

Rails.application.routes.draw do
  namespace :api, defaults: { format: "json" } do
    namespace :v1 do
      resources :users
    end
  end
end

GiancarlosIO

# my_api/app/models/user.rb

class User < ActiveRecord::Base

  validates :email, presence: true, uniqueness: true
  validates :name, presence: true
  
end

GiancarlosIO

# my_api/app/controller/api/v1/users_controller.rb

class Api::V1::UsersController < ApplicationController

  def index
    @users = User.all
  end
  
end

GiancarlosIO

# my_api/rspec/requests/users_spec.rb

require 'rails_helper'

RSpec.describe Api::V1::UsersController, type: :request do

  describe "GET /users" do
    before :each do
      FactoryGirl.create_list(:users, 1)
      get "/api/v1/users"

GiancarlosIO

# my_api/app/views/api/v1/users/index.json.jbuilder

json.array! @users do |user|
  json.(user, :id, :email, :name)
end

GiancarlosIO

class UsersController < ApplicationController

  before_action :find_course, only: [:show, :edit, :update, :destroy]
  
  def index
    @users = User.all
  end

  def show
    # find_user

GiancarlosIO

describe UsersController do

  describe 'GET index' do
    before do
      @user = FactoryGirl.create(:user)
    end
    
    it 'ok' do
      get :index
      expect(response).to have_http_status(:ok)

GiancarlosIO

# my_api/app/models/user.rb

class User < ActiveRecord::Base

  validates :email, presence: true, uniqueness: true
  validates :name, presence: true
  
  def self.with_token(data)
    User.where(email: data[:email]).first_or_create do |user|
      user.email = data[:email]

GiancarlosIO

class Token < ApplicationRecord
  belongs_to :user
  before_create :generate_token

  def valid?
    self.expires_at > DateTime.now
  end

  private

GiancarlosIO

  # POST api/v1/users, params: { user: {email: '[email protected]', name: 'Giancarlos Isasi'  }  }
  def create
    if params[:user]
      @user = User.with_token(params[:user]) # le pasamos la información que nuestro metodo 'with_token' usara para crear al usuario
      @token = @user.tokens.create() # Al usuario que nos devuelve nuestro parametro 'with_token' le creamos un nuevo token
      render "api/v1/users/show" # en esta vista mostraremos la info del usuario y su token respectivo
    else
      render json: { error: 'user params info is missing' } # solo si no nos envian la info necesaria
    end
  end