Files
edr-platform/apps/edr-passenger-api/src/common/utils/payment-deadline.utils.ts
2026-08-06 14:35:30 +03:00

30 lines
1.3 KiB
TypeScript

/**
* Single source of truth for how long a PENDING_PAYMENT booking has to be paid for,
* shared by TasksService (which auto-cancels bookings past this deadline) and
* SeatsService (which extends the seat hold to cover exactly this window when a
* booking/PNR is created — without this, the seat hold reverted to its original
* short seat-selection TTL and could expire mid-payment, letting a second customer
* grab the same seat).
*/
/** Maximum time (hours) a passenger has to pay after booking. */
export const MAX_PAYMENT_HOURS = 2;
/** Minutes before departure: cutoff for new bookings and payment deadline. */
export const CUTOFF_MINUTES = 30;
/**
* payment_deadline = MIN(booking_time + MAX_PAYMENT_HOURS, segment_departure - checkinMinutes)
*
* checkinMinutes defaults to CUTOFF_MINUTES but callers should pass the route-level
* checkinMinutesBefore so that each route's own window is respected.
*/
export function computePaymentDeadline(
createdAt: Date,
departureAt: Date,
checkinMinutes: number = CUTOFF_MINUTES,
): Date {
const maxDeadline = new Date(createdAt.getTime() + MAX_PAYMENT_HOURS * 60 * 60 * 1000);
const cutoffDeadline = new Date(departureAt.getTime() - checkinMinutes * 60 * 1000);
return maxDeadline < cutoffDeadline ? maxDeadline : cutoffDeadline;
}