How to filter out previously seen and read activities while retrieving notifications?
问题 In my app We have notification feed for users, with grouping formula {{ verb }}_{{ time.strftime('%Y-%m-%d') }} When User1 notifications are retrieved, it is having 1 notification for a “like” action. “Like” notification is having 3 activities, means three users have liked user1’s post. So Notification text displayed is: 3 users likes your post User1 notification are marked read and seen, After that 2 more users like user1’s post. Now when user1 retrieve notifications, He will get 1