#141 PayPal Basics

Dec 22, 2008 | 7 minutes | Tools, eCommerce

This episode is the first in a series on handling the checkout process for orders. Here we show how to complete purchases through PayPal's Website Payments Standard service.

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Resources

          rhtml
        
<%= link_to "Checkout", @cart.paypal_url(products_url) %>

          models/cart.rb
        
def paypal_url(return_url)
  values = {
    :business => 'seller_1229899173_biz@railscasts.com',
    :cmd => '_cart',
    :upload => 1,
    :return => return_url,
    :invoice => id
  }
  line_items.each_with_index do |item, index|
    values.merge!({
      "amount_#{index+1}" => item.unit_price,
      "item_name_#{index+1}" => item.product.name,
      "item_number_#{index+1}" => item.id,
      "quantity_#{index+1}" => item.quantity
    })
  end
  "https://www.sandbox.paypal.com/cgi-bin/webscr?" + values.to_query
end