Send push notification every 24 hours
I need to send a push notification every 24 hours, but for each user the moment from which I count down is different.
For example, user 1 performs an action at 11:00, so he gets a notification the next day at 11:00.
User 2 performs an action at 12:30, so he gets a notification the next day at 12:30.
I know how to do this, but in a not very efficient way i.e. I fetch the right value for each user, check if 24 hours have passed and send a notification.
Do you have any idea how to do it more efficiently? So that when there are a few thousand users there is no problem.
I am using FlutterFlow with Firebase. Thank you for your help.
2 Replies
I would set up a firebase document that records the UTC timestamp and the user reference, then every x minutes have a cron schedule run in Buildship to fetch the userRef's (if they exist) and send them a notification via the Flutterflow Push Notifications trigger. This will get you started: https://www.youtube.com/watch?v=lpPpDmYAWe4&t=15s
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Thanks.