example.md

Example singular request

curl -H "application/json" https://example.com/users/174835f6-cb96-4806-854e-c0eb6ae72d23

{
  "user": {
    "name": "Patrick Van Stee",
    "email": "[email protected]"
  }
}

Example plural request

curl -H "application/json" https://example.com/users

{
  "users": [
    {
      "name": "Patrick Van Stee",
      "email": "[email protected]"
    },
    {
      "name": "Wesley Lancel",
      "email": "[email protected]"
    }
  ]
}

routes.rb

Rails.application.routes.draw do
  defaults format: :json do
    use_doorkeeper scope: '/'

    resource :current_user,
      path: '/user',
      only: [:show]

    resources :projects,
      only: [:index, :create, :show, :update]

    resources :users,
      only: [:create, :show, :update]
  end
end

user.rb

class User < ActiveRecord::Base
  has_many :projects

  has_secure_password

  def self.authenticate(email, password)
    user = User.find_by(email: email)
    user && user.authenticate(password)
  end
end

user_serializer.rb

class UserSerializer < ApplicationSerializer
  attributes :email, :name

  has_many :projects,
    serializer: ProjectSerializer
end

users_controller.rb

class UsersController < ApplicationController
  doorkeeper_for :show, :update

  respond_to :json

  skip_after_action :verify_authorized,
    only: :create

  def create
    user = User.create(user_params)
    respond_with user
  end

  def show
    user = User.find(params[:id])
    authorize user
    respond_with user
  end

  def update
    user = User.find(params[:id])
    authorize user
    user.update(user_params)
    respond_with user
  end

  def user_params
    params.require(:user).
      permit(:email, :name, :password)
  end
end