Contact Event Logging
With Contacts.log_event, events such as :open, :click or :unsubscribe can be logged.
Contact Status
Instead of deleting Contacts when someone unsubscribes, their Contact status is changed to unsubscribed and they are no longer included when sending out campaigns. The PR already adds a third status unreachable which is not in use. It should be used by Sender Adapters when handling bounces.
This PR adds two features to Keila:
Contacts.log_event, events such as:open,:clickor:unsubscribecan be logged.unsubscribedand they are no longer included when sending out campaigns. The PR already adds a third statusunreachablewhich is not in use. It should be used by Sender Adapters when handling bounces.