Paypal Adaptive Payments Library for ActiveMerchant

Suporta pagamentos, pre-aprovação, reembolso e conversão de moedas.

Requisitos

.Rails 3.0 .Json .Builder .ActiveMerchant 1.9.x

Instalando

git clone https://github.com/varsh/paypal_adaptive_gateway.git
cd paypal_adaptive_gateway
rails <Path to active merchant library> ex: "C:\Ruby187\lib\ruby\gems\1.8\gems\activemerchant-1.9.1"

Usando

no application_controller.rb

def gateway
  @gateway ||= PaypalAdaptivePaymentGateway.new(
   :login => 'seu_email',
   :password => 'sua_senha',
   :signature => ' sua_signature',
   :appid => 'seu_appID'
  )
end

No processo de pagamento:

#for chained payments
def checkout
  recipients = [{:email => 'email_recebedor',
                 :amount => some_amount,
                 :primary => true},
                {:email => 'email_recebedor',
                 :amount => recipient_amount,
                 :primary => false}
                 ]
  response = gateway.pay(
    :return_url => url_for(:action => 'action', :only_path => false),
    :cancel_url => url_for(:action => 'action', :only_path => false),
    :notify_url => url_for(:action => 'notify_action', :only_path => false),
    :receiver_list => recipients
  )
  redirect_to response.redirect_url_for
end

set the :primary flag to false for each recipient for a split payment

No processo de reembolso: recipients = [{:email => params[:receiveremail_0], :amount => params[:amount_0]} ]

  response = gateway.refund(
    :return_url => "returnURL",
    :cancel_url => "cancelURL",
  :pay_key=>params[:paykey],
    :receiver_list => recipients
  )

No processo de aprovação prévia: response = gateway.preapprove_payment( :return_url => "returnURL", :cancel_url => "cancelURL", :senderEmail =>"email address of sender", :start_date =>"starting date", :end_date =>"ending date", :currency_code =>"currency code", :max_amount =>"maxTotalAmountOfAllPayments", :maxNumberOfPayments =>"maxNumberOfPayments" )

No processo de cancelamento de aprovação prévia: response = gateway.cancel_preapproval( :preapproval_key =>"preapprovalkey" )

para debugar

utilize tanto o gateway.debug quanto o response.debug, isso lhe dará a resposta JSON, o XML enviado e a URL que foi postado.