charges_controller.rb

class ChargesController < ApplicationController
  after_filter :destroy_cart, :only => [:show]

  def new
    @cart = Cart.find(params[:id])
  end

  def create

  begin

    @cart = Cart.find(params[:id])

    customer = Stripe::Customer.create(
      :email => params[:stripeEmail],
      :card => params[:stripeToken]
    )

    charge = Stripe::Charge.create(
      :customer    => customer.id,
      :amount      => @cart.total_price * 100,
      :description => 'California Love Customer',
      :currency    => 'usd'
    )  

    rescue Stripe::CardError => e
      flash[:error] = e.message
      redirect_to charges_path
    end

    respond_to do |format|
      format.html { redirect_to charge_path(@cart) }
      format.json { head :ok }
    end

  end

  def show 
    @cart = current_cart
    @current_cust = Stripe::Customer.retrieve(self.stripe_customer_id).email
  end
   
  private

  def destroy_cart
    @cart = current_cart
    @cart.destroy 
    session[:cart_id] = nil
  end

end

show.html.erb

<h1>Your Order and Charge</h1>
<p>Hello <%= @current_cust %></p>
Your order was a success!
<br>
<p> Here's what you bought:</p>
<ul>
 <% @cart.line_items.each do |item| %>
   <li><%= item.quantity %> &times; <%= item.size %> <%= item.color %> <%= item.product.name %><br>
   at $<%= item.product.price %> each</li>
 <% end %> 
</ul>