gistfile1.rb

  # paypal
  def checkout_paypal
    if cart_total == 0
      alert_error("Your cart is empty. If you have just placed an order, please check your email for the confirmation")
      redirect_to :back and return
    end
    setup_response = express_gateway.setup_purchase(100 * in_current_currency(cart_total),
      :ip                => request.remote_ip,
      :return_url        => url_for(:action => 'confirm', :only_path => false),
      :cancel_return_url => url_for(:controller => 'marketplace', :only_path => false),
      :currency => current_currency
    )
    redirect_to express_gateway.redirect_url_for(setup_response.token)

  end
  
  # paypal
  def confirm
    redirect_to :action => 'index' unless params[:token]
  
    session[:bill_to] = nil
    session[:ship_to] = nil
    customer
    billing
    
    details_response = express_gateway.details_for(params[:token])
  
    if !details_response.success?
      @message = details_response.message
      render :action => 'error'
      return
    end
    
    @address = details_response.address
    customer.update_attributes(:street_address => @address['address1'], :zip_code => @address['zip'], :state => @address['state'], :country => @address['country'], :city => @address['city'])
    
  end
  
  # paypal
  def error
    
  end
  
  # Paypal
  def complete
    return false unless create_max_mind
    
    purchase = express_gateway.purchase(100 * in_current_currency(cart_total),
      :ip       => request.remote_ip,
      :payer_id => params[:payer_id],
      :token    => params[:token],
      :currency => current_currency
    )
  
    if !purchase.success?
      @message = purchase.message
      render :action => 'error'
      return
    else
      store_transaction(purchase, 'paypal')
      clear_cart
      session[:bill_to] = nil
      session[:ship_to] = nil
      redirect_to user_purchases_path(current_user), :success => "Your order was successfully placed"
    end
  end