charge_mailer.rb

 7 class ChargeMailer < ActionMailer::Base
  6   default :from => "[email protected]"
  5 
  4   def registration_confirmation(cust)
  3     @customer = cust 
  2     mail(:to => "#{cust.email}", :subject => "Your Order Confirmation")
  1   end
  0 end
~          

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 => 'Customer',
        :currency    => 'usd'
      )
    rescue Stripe::CardError => e
      flash[:error] = e.message
      redirect_to charges_path
    end

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

  def show 
    @cart = current_cart
    @current_cust = @@customer.email
  end
   
  private

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

end