fix: ( bookings ) report the full amount paid after a reschedule

This commit is contained in:
Abubeker Yasin
2026-08-28 15:29:47 +03:00
parent c11704b15c
commit e2c2d677bc
3 changed files with 179 additions and 4 deletions

View File

@@ -7,6 +7,7 @@ import { TicketsService } from '../tickets/tickets.service';
import { EventEmitter2 } from '@nestjs/event-emitter';
import { CreateBookingDto } from './bookings.dto';
import { assertIdentitiesNotAlreadyBooked, resolveIdentityRef } from './booking-identity.util';
import { buildPaymentBreakdown } from './payment-breakdown.util';
import { Cron, CronExpression } from '@nestjs/schedule';
import { VerifaydaService } from '../verifayda/verifayda.service';
import { CurrencyService } from '../currency/currency.service';
@@ -2037,6 +2038,8 @@ export class BookingsService {
returnSchedule: { include: { originStation: true, destinationStation: true, train: true, stopTimes: { include: { station: true } } } },
seats: { include: { seat: { include: { coach: { include: { coachType: { include: { seatClasses: true } } } } } } } },
paymentIntent: true, tickets: true,
// Money collected after the original payment (reschedule fees, underpayments).
supplementaryCharges: { orderBy: { createdAt: 'asc' } },
priceTier: { select: { priceMinor: true } },
},
});
@@ -2130,6 +2133,8 @@ export class BookingsService {
returnSchedule: { include: { originStation: true, destinationStation: true, train: true, stopTimes: { include: { station: true } } } },
seats: { include: { seat: { include: { coach: { include: { coachType: { include: { seatClasses: true } } } } } } } },
paymentIntent: true, tickets: true,
// Money collected after the original payment (reschedule fees, underpayments).
supplementaryCharges: { orderBy: { createdAt: 'asc' } },
priceTier: { select: { priceMinor: true } },
},
});
@@ -2208,12 +2213,20 @@ export class BookingsService {
},
};
}),
// `amountMinor` stays exactly as it was — the original intent, in the major units that
// column actually stores — so existing callers keep working. Everything collected since
// (reschedule fees and fare differences) lives in `breakdown`, whose `totalPaidMinor` is
// the number to show as "Total paid". See payment-breakdown.util.ts.
payment: (booking as any).paymentIntent
? {
method: (booking as any).paymentIntent.method,
status: (booking as any).paymentIntent.status,
amountMinor: (booking as any).paymentIntent.amountMinor,
currency: (booking as any).paymentIntent.currency,
breakdown: buildPaymentBreakdown(
(booking as any).paymentIntent,
(booking as any).supplementaryCharges ?? [],
),
}
: undefined,
// One ticket per passenger per leg (round trips have a separate ticket — and

View File

@@ -0,0 +1,101 @@
export type PaymentLineKind = 'BOOKING' | 'SUPPLEMENTARY';
export interface PaymentLine {
kind: PaymentLineKind;
/** Human label — "Original booking", "Reschedule", "Excess baggage". */
label: string;
/** Raw reason for supplementary lines (RESCHEDULE, UNDERPAYMENT, …); null for the booking line. */
reason: string | null;
/** Always true minor units, whatever the source column stored. */
amountMinor: number;
currency: string;
status: string;
paidAt: string | null;
/** Whether this line represents money actually collected. */
settled: boolean;
}
export interface PaymentBreakdown {
lines: PaymentLine[];
/** Sum of settled lines, or null when they are not all in one currency. */
totalPaidMinor: number | null;
totalPaidCurrency: string | null;
/** True when something is still owed (a charge raised but not yet paid). */
hasOutstanding: boolean;
outstandingMinor: number;
}
/** `PaymentIntent.amountMinor` is a Float in major units — bring it onto the minor-unit scale. */
export function intentAmountToMinor(amount: number | null | undefined): number {
if (amount == null) return 0;
return Math.round(amount * 100);
}
const SUPPLEMENTARY_LABELS: Record<string, string> = {
RESCHEDULE: 'Reschedule',
UNDERPAYMENT: 'Underpayment',
FARE_CORRECTION: 'Fare correction',
EXCESS_BAGGAGE: 'Excess baggage',
};
function labelFor(reason: string): string {
return (
SUPPLEMENTARY_LABELS[reason] ??
// "SOME_OTHER_REASON" → "Some other reason"
reason.charAt(0).toUpperCase() + reason.slice(1).toLowerCase().replace(/_/g, ' ')
);
}
export function buildPaymentBreakdown(
paymentIntent: { status?: string | null; amountMinor?: number | null; currency?: string | null } | null | undefined,
supplementaryCharges: Array<{
reason: string;
amountMinor: number;
currency: string;
status: string;
paidAt: Date | string | null;
}> = [],
): PaymentBreakdown {
const lines: PaymentLine[] = [];
if (paymentIntent) {
lines.push({
kind: 'BOOKING',
label: 'Original booking',
reason: null,
amountMinor: intentAmountToMinor(paymentIntent.amountMinor),
currency: paymentIntent.currency ?? 'ETB',
status: paymentIntent.status ?? 'UNKNOWN',
paidAt: null,
settled: paymentIntent.status === 'SUCCEEDED',
});
}
for (const charge of supplementaryCharges) {
if (charge.status === 'WAIVED' || charge.status === 'EXPIRED') continue;
lines.push({
kind: 'SUPPLEMENTARY',
label: labelFor(charge.reason),
reason: charge.reason,
amountMinor: charge.amountMinor,
currency: charge.currency ?? 'ETB',
status: charge.status,
paidAt: charge.paidAt ? new Date(charge.paidAt).toISOString() : null,
settled: charge.status === 'PAID',
});
}
const settled = lines.filter((l) => l.settled);
const currencies = new Set(settled.map((l) => l.currency));
const singleCurrency = currencies.size === 1 ? [...currencies][0] : null;
const outstanding = lines.filter((l) => l.status === 'PENDING');
return {
lines,
totalPaidMinor: singleCurrency ? settled.reduce((sum, l) => sum + l.amountMinor, 0) : null,
totalPaidCurrency: singleCurrency,
hasOutstanding: outstanding.length > 0,
outstandingMinor: outstanding.reduce((sum, l) => sum + l.amountMinor, 0),
};
}

View File

@@ -40,6 +40,8 @@ interface PassengerVoucherData {
// payment.amountMinor straight from the API) and must NOT be divided by 100 — as
// opposed to the normal case where fareMinor is genuine minor units (cents).
fareIsMajorUnits?: boolean;
/** Itemises the total when a booking was paid more than once (e.g. after a reschedule). */
paymentLines?: Array<{ label: string; amountMinor: number; currency: string; status: string; settled: boolean }>;
}
// ─── palette ───────────────────────────────────────────────────────────────
@@ -365,6 +367,43 @@ function drawFareSummary(doc: jsPDF, fareMinor: number, currency: string, y: num
return y + cardH + 6;
}
function drawPaymentBreakdown(
doc: jsPDF,
lines: Array<{ label: string; amountMinor: number; currency: string; status: string; settled: boolean }>,
y: number,
margin: number,
pageWidth: number,
): number {
if (lines.length < 2) return y;
const rowH = 6;
const padX = 7;
const headerH = 7;
const cardH = headerH + lines.length * rowH + 3;
doc.setDrawColor(...HAIRLINE);
doc.setLineWidth(0.2);
doc.roundedRect(margin, y, pageWidth - margin * 2, cardH, 3, 3, 'S');
doc.setFontSize(7.5); doc.setFont('helvetica', 'bold'); doc.setTextColor(...MUTED);
doc.text('PAYMENT BREAKDOWN', margin + padX, y + 5, { charSpace: 0.2 });
lines.forEach((line, i) => {
const rowY = y + headerH + i * rowH;
doc.setFontSize(8.5); doc.setFont('helvetica', 'normal'); doc.setTextColor(...BODY);
// No status suffix: the caller passes settled lines only, so every row here is paid.
doc.text(line.label, margin + padX, rowY + 4);
doc.setFont('helvetica', 'bold'); doc.setTextColor(...INK);
doc.text(
`${line.currency} ${(line.amountMinor / 100).toFixed(2)}`,
pageWidth - margin - padX,
rowY + 4,
{ align: 'right' },
);
});
return y + cardH + 6;
}
// ─── instructions ──────────────────────────────────────────────────────────
@@ -425,6 +464,7 @@ async function drawPassengerVoucherPage(doc: jsPDF, data: PassengerVoucherData):
y = drawPassengerDetails(doc, data, y, margin, pageW);
y = drawFareSummary(doc, data.fareMinor, data.currency, y, margin, pageW, data.fareIsMajorUnits);
y = drawPaymentBreakdown(doc, data.paymentLines ?? [], y, margin, pageW);
y = drawInstructions(doc, y, margin, pageW);
drawFooter(doc, data.createdAt, y);
}
@@ -474,15 +514,32 @@ interface VoucherData {
tickets?: Array<{ passengerName?: string; leg?: number; barcodePayload?: string }>;
// The actual settled amount/currency for this booking's payment — preferred over the
// ETB booking total once available, since it reflects what was really charged.
payment?: { amountMinor?: number; currency?: string };
payment?: {
amountMinor?: number;
currency?: string;
/** Every line collected for this booking — see the API's payment-breakdown.util.ts. */
breakdown?: {
lines: Array<{ label: string; amountMinor: number; currency: string; status: string; settled: boolean }>;
totalPaidMinor: number | null;
totalPaidCurrency: string | null;
};
};
}
export const generateVoucherPDF = async (booking: VoucherData): Promise<void> => {
// Currency always comes straight from the booking/payment data, never hardcoded — the
// settled payment currency when a payment has settled, otherwise the booking's own
// display currency (falling back to the internal ETB currency field).
const settledAmountMinor = booking.payment?.amountMinor;
const settledCurrency = booking.payment?.currency;
// `payment.amountMinor` is the ORIGINAL intent only — it never moves when a booking is
// rescheduled, so a voucher built from it reports the pre-reschedule amount forever (a 51.85
// booking moved to a 1752.34 journey still printed 51.85). `payment.breakdown` counts every
// line collected, including the reschedule fee and fare difference. It arrives in true minor
// units, so it is divided down to the major-unit basis the rest of this function expects.
const breakdown = booking.payment?.breakdown;
const settledAmountMinor =
breakdown?.totalPaidMinor != null ? breakdown.totalPaidMinor / 100 : booking.payment?.amountMinor;
const settledCurrency =
(breakdown?.totalPaidMinor != null ? breakdown.totalPaidCurrency : booking.payment?.currency) ?? undefined;
const useSettledAmount = settledAmountMinor != null && !!settledCurrency;
// Prefer displayCurrency (passenger's home currency) over the internal ETB currency field.
const voucherCurrency = useSettledAmount ? settledCurrency! : (booking.displayCurrency || booking.currency || 'ETB');
@@ -541,7 +598,10 @@ export const generateVoucherPDF = async (booking: VoucherData): Promise<void> =>
// This passenger's own fare, scaled onto the same currency/amount basis as the rest of
// the voucher — not the booking's overall total, and not an equal share of it.
const passengerFareMinor = Math.round(p.fareMinor * fareScaleFactor);
const scaledFare = p.fareMinor * fareScaleFactor;
const passengerFareMinor = useSettledAmount
? Math.round(scaledFare * 100) / 100
: Math.round(scaledFare);
await generatePassengerVoucherPDF({
bookingRef: booking.bookingRef,
@@ -560,6 +620,7 @@ export const generateVoucherPDF = async (booking: VoucherData): Promise<void> =>
fareMinor: passengerFareMinor,
currency: voucherCurrency,
fareIsMajorUnits: useSettledAmount,
paymentLines: grouped.size === 1 ? breakdown?.lines.filter((l) => l.settled) : undefined,
createdAt: booking.createdAt,
});
}