A non-unique index on (doctor_id, slot_start) plus a count-then-insert check
left a TOCTOU race: two concurrent requests could both pass isSlotTaken and
both insert. wrapInTransaction alone doesn't stop the phantom under InnoDB
REPEATABLE-READ.
Add a nullable, unique active_slot_key on Appointment = "doctorId:slotStart"
while the booking occupies the slot (pending/confirmed — in lockstep with
isSlotTaken); NULL once expired/completed/no_show/cancelled (NULLs don't collide
in a MySQL unique index, so released slots rebook freely). bookAtomically now:
catches the unique violation -> SlotTakenException, and expires lapsed pendings
in-transaction so the ~1-min window before the expiry cron doesn't wrongly block
rebooking. All three booking paths (online / my / admin) routed through it.
Migration backfills one row per (doctor, slot) — the latest id — so the index
builds even on dirty historical data without destructively cancelling bookings.
(Backfill surfaced a real pre-existing double-booked slot in dev data.)
Regression: tests/Appointment/SlotUniquenessTest. Adjusted the expiry-service
test fixture to use distinct slots (one live booking per slot is now enforced).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
createAppointment only checked the caller held an allowed role, then booked
onto whatever doctor_uuid the request named — a doctor could book onto any
other doctor's calendar, a clinic onto doctors outside it, a secretary outside
their scope. Add canBookForDoctor(): doctor→own only, clinic→member doctors,
secretary→active scope + appointments.create permission, admin→any.
Regression: tests/Appointment/BookingScopeTest.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The callback marked an order success on any verify-ok result without comparing
the gateway-settled amount to the amount charged. SEP returns AffectiveAmount;
an underpayment or a replayed RefNum from a cheaper order would confirm the
expensive order. Now reject (status=failed, no activation) when the gateway
reports an amount that mismatches the stored amount_rials. Gateways that don't
report a settled amount (Mellat binds it server-side) skip the check.
MockGateway now echoes mock_amount so the guard is exercisable in tests.
Regression: tests/Payment/PaymentCallbackAmountTest (underpayment rejected,
matching amount succeeds).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Persists the audit plan so a session restart no longer loses it (TodoWrite
is volatile). 10 done, 1 critical, 10 high, 21 medium, 12 low, 4 epics.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
