Gem (active_paypal_adaptive_payment) を使用した事前承認支払いのサンプルモデル

gistfile1.rb

class Approval
  include Mongoid::Document
  include Mongoid::Timestamps

  belongs_to :user
  field :item_id
  field :key
  field :approved, :type=> Boolean, :default => false

  def pay
    primary_receiver = { :primary=>true, :email => '[email protected]', :amount => 800 }
    receiver = { :primary=>false, :email => '[email protected]', :amount => 200 }
    PaypalGateway.setup_purchase :receiver_list => [ primary_receiver,receiver ],
      :preapproval_key => self.key,
      :currency_code => "JPY",
      :error_language => "ja_JP",
      :return_url => "http://example.com",
      :cancel_url => "http://example.com"
  end
end