MVC controller 2

mvc_controller_2.rb

class UsersController < ApplicationController
  def create
    if params[:token].blank?
      @user.token = generate_token
    end
    if @user.save
      UserMailer.welcome_message(@user).deliver if params[:send_email]
      render json: @user, status: 200
    else
      render json @user.errors, status: 400
    end
  end
  
  private
  
  def generate_token
    uri = URI("https://example.com/#{@user.email}")
    response = Net::HTTP.get_response(uri)
    if response.code == '200'
      return JSON.parse(response.body)[:token]
    end
  end
end