payment-gem/lib/payment/paratika_gateway.rb

require 'payment/errors'
require_relative '../../../paratika/lib/paratika'

class Payment::ParatikaGateway
  include ::Paratika
  ERROR_MAP = Paratika::ERROR_MAP

  include Payment::Errors

  def self.active?
    Paratika.config.active
  end

  def self.connection
    request =  yield
    response = request.send
    [request.data, response.data]
  rescue => e
    Payment.debug_message(request, response, e)
  end

  def self.charge_from_card(payment, customer, card, pre_auth, saved_card)
    klass = pre_auth ? Paratika::PreAuth : Paratika::Sale
    card = saved_card ? { token: card } : card
    request = klass.new(payment, customer, card)
    response = request.send
    [request.data, response.data]
  rescue => e
    Payment.debug_message(request, response, e)
  end

  def self.cancel_transaction(payment)
    request =  Paratika::Void.new(payment)
    response = request.send
    [request.data, response.data]
  rescue => e
    Payment.debug_message(request, response, e)
  end

  def self.refund_money(payment)
    request =  Paratika::Refund.new(payment)
    response = request.send
    [request.data, response.data]
  rescue => e
    Payment.debug_message(request, response, e)
  end

  def self.query_saved_cards(customer)
    request =  Paratika::QueryCard.new(customer[:id])
    response = request.send
    [request.data, response.data]
  rescue => e
    Payment.debug_message(request, response, e)
  end

  def self.delete_card(token)
    request =  Paratika::EWalletDeleteCard.new(token)
    response = request.send
    [request.data, response.data]
  rescue => e
    Payment.debug_message(request, response, e)
  end

  def self.currency_exchange(from, to, amount)
    request =  Paratika::CurrencyExchange.new(from, to, amount)
    response = request.send
    [request.data, response.data]
  rescue => e
    Payment.debug_message(request, response, e)
  end

  def self.query_bin_number(bin_number)
    request = Paratika::QueryBin.new(bin_number)
    response = request.send

    [request.data, response.data]
  rescue => e
    Payment.debug_message(request, response, e)
  end
end