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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/processor/wallet_query_processor.go
+19
View File
@@ -315,3 +315,22 @@ func walletTransactionFilter(customerID uuid.UUID, q models.ListCustomerWalletTr
}
return filter, page, nil
}
// Expiring is GET /customer/wallet/expiring: what will expire, grouped by day (F6).
func (p *WalletQueryProcessor) Expiring(ctx context.Context, customerID uuid.UUID) (*models.CustomerWalletExpiringList, error) {
rows, err := p.repo.ExpiringByDay(ctx, customerID, p.now())
if err != nil {
return nil, err
}
list := &models.CustomerWalletExpiringList{Point: []models.CustomerWalletExpiring{}, Coin: []models.CustomerWalletExpiring{}}
for _, row := range rows {
item := models.CustomerWalletExpiring{Amount: row.Amount, Date: row.Date}
switch row.Currency {
case constants.WalletCurrencyPoint:
list.Point = append(list.Point, item)
case constants.WalletCurrencyCoin:
list.Coin = append(list.Coin, item)
}
}
return list, nil
}