class ApplicationController < ActionController::Base
  protect_from_forgery

  protected

  def get_call(command)
    http = create_connection

      request = Net::HTTP::Get.new(command)
      response = http.request(request)

      result = JSON.parse(response.body)
  end

  def post_call(command, data = nil)
    http = create_connection

      request = Net::HTTP::Post.new(command)

      if data
        request.set_form_data(data)
      end

      response = http.request(request)

      result = JSON.parse(response.body)
  end

  private
    def create_connection
      @connection ||= Net::HTTP.new(Api.config[:host], Api.config[:port].to_i).start
    end
end


class UsersController < ApplicationController
  def index
  end

  def new
    @user = User.new
  end

  def create
    @user = User.new(params[:user])

    page = post_call('/api/login', { :login => @user.login, :password=> @user.password })

    if page["status"] == "ok"
      redirect_to accounts_url
    else
      puts page
      render "new"
    end
  end

  def destroy
    result = get_call('/api/logout')
    puts result
  end

end

backend:


class UsersController < ApplicationController
  # login
  def new
    @login = params[:login]
    @password = params[:password]

    @user = User.where(:login => @login, :password => @password).first

    if @user
      session[:user_id] = @user.id
      render_successful_request({ :id => session[:user_id] })
    else
      render_fail_request("Incorrect parameters")
    end

  end
end