Introduce a deprecation reminder service #459
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mpawliszyn
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| @@ -0,0 +1,13 @@ | |||
| CREATE TABLE deprecation_reminders ( | |||
| id bigint(20) NOT NULL AUTO_INCREMENT, | |||
| registered_backfill_id bigint(20) NOT NULL, | |||
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Just add a last_messaged_on to registered_backfill
mpawliszyn
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May 20, 2025
| */ | ||
| @Singleton | ||
| class DeprecationNotificationService @Inject constructor( | ||
| private val notificationHelper: DeprecationNotificationHelper, |
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Two steps to sending a reminders.
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Figure out registered backfills should have reminders sent this hour.
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Determine if a reminder should go out for each backfill.
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look at the registered backfill
- has a backfill run - pick the most recent run (run with the latest updated_at) look for the latest customer event and pick that time
- no backfill run - pick registration time (approximate deploy time so this should be a good time in the day)
- Now that you have a time and day of the week. Are we in that window?
- Make a call to the thing that is in cash-server whether to message now or not. Call will have a bunch of data:
- data structure around the last backfill run
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- last user to touch the backfill
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- the last status change (Complete, Fail, Paused) & time that happened
- Delete By date
- Backfill creation time
Return nothing or a message to send.
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ReminderMessagingDecider
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Always return false. If nothing is set do this? (Although maybe we make people pick.)
Remind monthly if there is a latest backfill or after 3 months if creation only.
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Effective Delete-by Date Calculation
Takes the latest of:
Service Activity Check
Notification Frequency
Business Hours
The config comes from cash-server side - https://github.com/squareup/cash-server/pull/18643
WIP - test