PayPal Recurring Payments with ActiveMerchant

admin — Tue, 22 Feb 2011 08:38:31 +0000

I found several pieces to the puzzle but it took me a while to put it all together. After I got it working I thought I should write it down in case I needed to remember what I did or maybe someone else would find it useful.

The first thing you should know is that ActiveMerchant does not support recurring payments with PayPal. But Raymond Law generously made a fork that fixes this. I couldnt get the fix as a gem so I just installed it as a plug in. https://github.com/rayvinly/active_merchant/

Then I went to the Railscasts on PayPal with ActiveMerchant. http://railscasts.com/episodes/146-paypal-express-checkout

In my config/environments I made a slight change from the Railscasts example:

config.after_initialize do
ActiveMerchant::Billing::Base.mode = :test
paypal_options = {
:login => "mysandboxlogingoeshere",
:password => "MYSANDBOXAPIPASSWORD",
:signature => "SANDBOXAPI"
}
::STANDARD_GATEWAY = ActiveMerchant::Billing::PaypalGateway.new(paypal_options)
::EXPRESS_GATEWAY = ActiveMerchant::Billing::PaypalExpressGateway.new(paypal_options)
::EXPRESS_RECURRING_GATEWAY = ActiveMerchant::Billing::PaypalExpressRecurringGateway.new(paypal_options)
end

I made a registration controller:
rails g controller index new checkout complete

def checkout
response = EXPRESS_RECURRING_GATEWAY.setup_agreement(:description => description, return_url => registration_complete_url, :cancel_return_url => registration_new_url)
redirect_to EXPRESS_RECURRING_GATEWAY.redirect_url_for(response.token)
end
def complete
token = params[:token]
response = EXPRESS_RECURRING_GATEWAY.create_profile(token, :description => description, :start_date => start_date, :frequency => frequency_in_months, :amount => amount_in_dollars, :auto_bill_outstanding => true)
if response. success?
#handle success
else
#handle failure
end
end

You can figure out your own way to handle the values and details of the transaction. The Date format can be set with

start_date = Time.now

The amount can be just a number. Dont put it in quotes.

PayPal API from GoDaddy

admin — Wed, 21 May 2008 06:31:11 +0000

The PHP SDK form PayPal worked great from my dev server but when I went to load it for the client it either completely stalled or timed out. I learned that GoDaddy has a special proxy server you need to use for the cURL option.

$URL="https://api-3t.sandbox.paypal.com/nvp";
if (isset($_GET["site"])) { $URL = $_GET["site"]; }
$ch = curl_init();
//echo "URL = $URL 
n";
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, TRUE);
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
curl_setopt($ch, CURLOPT_PROXY,"http://proxy.shr.secureserver.net:3128");
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_URL, $URL);
curl_setopt($ch, CURLOPT_TIMEOUT, 120);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

$nvpreq="METHOD=".urlencode('doDirectPayment')."&VERSION=".urlencode('3.0')."&PWD=".urlencode('yourpass')."&USER=".urlencode('your username)."&SIGNATURE=".urlencode('your signature').$nvpStr;

//setting the nvpreq as POST FIELD to curl
curl_setopt($ch,CURLOPT_POSTFIELDS,$nvpreq);

$response = curl_exec ($ch);

This worked fine for me so i re-created the PayPal Class from their sample code and modified to work with this cURL setting.

Hope it saves you the time I lost.

PayPal GoDaddy Class

Wylie » PayPal

PayPal Recurring Payments with ActiveMerchant

PayPal API from GoDaddy