Make a notifier. It should send notifications on event updates. If a user is following a certain artist, and that artist registers for an event, notification should be sent to that user.
If that event is new for a certain user (no notifications about that event have been sent to him), notification should contain more info.
Make a notifier. It should send notifications on event updates. If a user is following a certain artist, and that artist registers for an event, notification should be sent to that user. If that event is new for a certain user (no notifications about that event have been sent to him), notification should contain more info.