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feat(loyalty): refund EnakPoint payments as EnakPoint only

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Adds refunds of EnakPoint payments (docs/prd-point-coin.md F9, K7, Q13,
PC-307).

After a void or refund, onOrderRefunded now returns EnakPoint before taking
earning back. For each EnakPoint payment of the order it returns everything
on a void, and floor(refunded rupiah / the frozen point_value) when the
payment itself was refunded, so a later change of the point value does not
change how many come back and a remainder below one EnakPoint is lost. It
never returns more than the payment used, and only what has not come back
yet, so repeating is safe. PAYMENT_REFUND rows point at the PAYMENT they
reverse, and the EnakPoint go back into lots with the expiry of the lots
they were taken from, longest-lasting first (the 7-day extension waits on
note N4).

RefundOrder, which hands money back in cash or another method, is now
limited to what was paid with other methods; the EnakPoint part has to be
refunded through its own payment. That answers 400.

Fixes earning reversal from PC-204: a refund of the EnakPoint part raised
orders.refund_amount and so took earning back, although that part never
earned. It is now left out of the refund the reversal uses.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
efrilm
2026-09-30 11:55:30 +07:00
co-authored by Claude Opus 5.5
parent 43eac0ced4
commit d7138b8f87
6 changed files with 512 additions and 4 deletions
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internal/repository/earning_repository.go
+7 -1
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@@ -92,7 +92,13 @@ func (r *earningRepository) GetOrderForEarning(ctx context.Context, orderID uuid
SELECT o.id::text AS id, o.organization_id::text AS organization_id, o.outlet_id::text AS outlet_id,
o.order_number, COALESCE(ou.name, '') AS outlet_name, o.customer_id::text AS customer_id,
o.subtotal, COALESCE(o.discount_amount, 0) AS discount_amount, o.payment_status,
COALESCE(o.is_void, false) AS is_void, COALESCE(o.refund_amount, 0) AS refund_amount,
COALESCE(o.is_void, false) AS is_void,
-- Refunds of EnakPoint payments are left out: that part never earned (Q10),
-- so giving it back must not take earning back.
COALESCE(o.refund_amount, 0) - COALESCE((
SELECT SUM(COALESCE(p.refund_amount, 0)) FROM payments p
JOIN payment_methods pm ON pm.id = p.payment_method_id
WHERE p.order_id = o.id AND pm.type = 'point'), 0) AS refund_amount,
c.is_default AS customer_is_default, c.is_active AS customer_is_active
FROM orders o
LEFT JOIN outlets ou ON ou.id = o.outlet_id