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feat(loyalty): remind customers before balances expire

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Adds what the customer sees of expiry (docs/prd-point-coin.md F6, F12,
PC-504).

GET /customer/wallet/expiring lists everything that will expire, per
currency and day, soonest first. GET /customer/wallet already had the
nearest expiry per currency.

The expiry job now also sends reminders, with the settings of note N4 as
decided: once, reminder_days before (7 by default, 0 for none), per
currency. A customer gets one FCM push per currency and expiry day,
however many lots make it up: "150 EnakPoint akan kedaluwarsa pada 31 Okt
2026. Pakai sebelum hangus.", with type WALLET_EXPIRING, the currency,
amount and expiry_date in its data. Reminders cover whatever falls within
the window, so a run that was missed catches up rather than skipping a day.

Migration 000097 adds wallet_expiry_reminders, one row per customer,
currency and expiry day. The row is written before the push is sent, so
several instances of the job or a restart never remind twice; a push that
then fails is logged and not retried. Lots that expire later on the same
day as an earlier reminder are not reminded of again.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
efrilm
2026-09-30 14:35:12 +07:00
co-authored by Claude Opus 5.5
parent d293786cde
commit 550122f29c
17 changed files with 374 additions and 11 deletions
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internal/app/app.go
+2 -2
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@@ -64,9 +64,9 @@ func (a *App) Initialize(cfg *config.Config) error {
)
// Earns for paid orders whose earning failed at payment time (docs/prd-point-coin.md F3)
a.earningRetry = service.NewEarningBackfillJob(processors.earningProcessor)
// Expires balances whose time is up (docs/prd-point-coin.md F12)
// Expires balances whose time is up and reminds customers before (docs/prd-point-coin.md F12)
a.walletExpiry = service.NewWalletExpiryJob(processor.NewWalletExpiryProcessor(
repository.NewWalletExpiryRepository(a.db), processor.NewWalletProcessor(repos.walletRepo), repos.txManager, processors.customerDeviceProcessor))
repository.NewWalletExpiryRepository(a.db), processors.loyaltySettingsProcessor, processor.NewWalletProcessor(repos.walletRepo), repos.txManager, processors.customerDeviceProcessor))
services := a.initServices(processors, repos, cfg)
validators := a.initValidators()