Gem (active_paypal_adaptive_payment) 初期化コード config/initializers/paypal.rb

gistfile1.rb

unless Rails.env.production?
  ActiveMerchant::Billing::Base.mode = :test
end
config = YAML.load(ERB.new(File.read("#{Rails.root}/config/paypal.yml")).result)[Rails.env]
PaypalGateway = ActiveMerchant::Billing::PaypalAdaptivePayment.new(
  :login => config["username"],
  :password => config["password"],
  :signature => config["signature"],
  :appid => config["application_id"]
)