This PR adds an example of how to make use of Chargify Direct to update a card on a subscription. Given the ID of a subscription, navigating to http://localhost:9292/card_update/<SUBSCRIPTION_ID> where <SUBSCRIPTION_ID> is the numeric subscription ID, the user is presented with a form to input the updated card information. It does NOT display the existing card information. If an error occurs after submitting, the form will be redisplayed along with error messaging. Otherwise, a success message is displayed along with the URI for retrieving the call data from the API V2.
This PR adds an example of how to make use of Chargify Direct to update a card on a subscription. Given the ID of a subscription, navigating to
http://localhost:9292/card_update/<SUBSCRIPTION_ID>where<SUBSCRIPTION_ID>is the numeric subscription ID, the user is presented with a form to input the updated card information. It does NOT display the existing card information. If an error occurs after submitting, the form will be redisplayed along with error messaging. Otherwise, a success message is displayed along with the URI for retrieving the call data from the API V2.