PaypalExpressController#review

PaypalExpressController.rb

class PaypalExpressController < ApplicationController
  
  before_filter :assigns_gateway

  include ActiveMerchant::Billing
  include PaypalExpressHelper

  def checkout
    # implemented in the previous blog post
  end

  def review
    if params[:token].nil?
      redirect_to home_url, :notice => 'Woops! Something went wrong!' 
      return
    end

    gateway_response = @gateway.details_for(params[:token])

    unless gateway_response.success?
      redirect_to home_url, :notice => "Sorry! Something went wrong with the Paypal purchase. Here's what Paypal said: #{gateway_response.message}" 
      return
    end

    @order_info = get_order_info gateway_response, @cart
  end

  private
    def assigns_gateway
      # implemented in the previous blog post
    end
end