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