require 'rubygems'

require 'yaml'

require 'authorizenet'

require 'securerandom'

include AuthorizeNet::API

def credit()

config = YAML.load_file(File.dirname(__FILE__) + "/../credentials.yml")

transaction = Transaction.new(config['api_login_id'], config['api_transaction_key'], :gateway => :sandbox)

request = CreateTransactionRequest.new

payPalType = PayPalType.new()

payPalType.successUrl = "http://www.merchanteCommerceSite.com/Success/TC25262"

payPalType.cancelUrl = "http://www.merchanteCommerceSite.com/Success/TC25262"

#standard api call to retrieve response

paymentType = PaymentType.new()

paymentType.payPal = payPalType

request.transactionRequest = TransactionRequestType.new()

request.transactionRequest.amount = ((SecureRandom.random_number + 1 ) * 150 ).round(2)

request.transactionRequest.payment = paymentType

#refTransId for which credit has to happen

request.transactionRequest.refTransId = "2241762126"

request.transactionRequest.transactionType = TransactionTypeEnum::RefundTransaction

response = transaction.create_transaction(request)

if response != nil

if response.messages.resultCode == MessageTypeEnum::Ok

if response.transactionResponse != nil && response.transactionResponse.messages != nil

puts "Successful Credit Transaction (Transaction response code: #{response.transactionResponse.responseCode})"

puts "Transaction Response code : #{response.transactionResponse.responseCode}"

puts "Code : #{response.transactionResponse.messages.messages[0].code}"

puts "Description : #{response.transactionResponse.messages.messages[0].description}"

else

puts "Transaction Failed"

if response.transactionResponse.errors != nil

puts "Error Code : #{response.transactionResponse.errors.errors[0].errorCode}"

puts "Error Message : #{response.transactionResponse.errors.errors[0].errorText}"

end

raise "Failed to authorize card."

end

else

puts "Transaction Failed"

if response.transactionResponse != nil && response.transactionResponse.errors != nil

puts "Error Code : #{response.transactionResponse.errors.errors[0].errorCode}"

puts "Error Message : #{response.transactionResponse.errors.errors[0].errorText}"

else

puts "Error Code : #{response.messages.messages[0].code}"

puts "Error Message : #{response.messages.messages[0].text}"

end

raise "Failed to authorize card."

end

else

puts "Response is null"

raise "Failed to authorize card."

end

return response

end

if __FILE__ == $0

credit()

end