# File lib/active_merchant/billing/gateways/payment_express.rb, line 46 def purchase(money, payment_source, options = {}) credit_card = payment_source if payment_source.respond_to?(:number) if credit_card options[:credit_card] = credit_card else options[:token] = payment_source end request = build_purchase_or_authorization_request(money, options) commit(:purchase, request) end