2008-04-09T08:32:53Z <p>In this episode you will learn how to use CIM API of Authorize.net gateway to post transactions and add recurring billing logic.</p><p>&nbsp;For recurring billing you can check the last_charged_at field in Subscriptions table and if it was successfully processed you can charge the customer based on the interval. Interval attribute can store the frequency of charging a customer for subscriptions. I am using months as the unit for this attribute.</p><p>Write a method in CustomerProfile model to check the subscriptions table for any pending charges that must be posted to the gateway. Use this class method in a Rake task that will be run by a CRON job. </p><p>&nbsp;Resources: <a href="http://guide.zepho.com/version1/">How to create domain model</a></p><p>The download includes the source code and the billing domain model diagram that is capable of handling recurring charges.&nbsp;</p> http://bparanj.blogspot.com http://www.zepho.com/download/active_merchant_authorize_net2.zip 14 mins 65 2008-04-09T08:32:53Z 65 34 2008-07-16T16:32:28Z