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edr-platform/apps/edr-passenger-api/src/modules/bookings/guest-booking.service.ts
2026-07-05 23:05:14 +03:00

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import { Injectable, BadRequestException, NotFoundException } from '@nestjs/common';
import { PrismaService } from '../../common/prisma.service';
import { SeatsService } from '../seats/seats.service';
import { VerifaydaService } from '../verifayda/verifayda.service';
import { CurrencyService } from '../currency/currency.service';
import { PassengerAuthService } from '../auth/passenger-auth.service';
import { FareEngineService } from '../fare-engine/fare-engine.service';
import { EventEmitter2 } from '@nestjs/event-emitter';
import { CreateGuestBookingDto, SavedPassengerProfileDto } from './guest-booking.dto';
import { Currency, PassengerCategory, IdDocumentType } from '@prisma/client';
/** Booking cutoff: reject new bookings within this many ms of departure. */
const BOOKING_CUTOFF_MS = 30 * 60 * 1000;
function generateRef(): string {
const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
return 'EDR-' + Array.from({ length: 6 }, () => chars[Math.floor(Math.random() * chars.length)]).join('');
}
// Ethiopian mobile prefixes: Ethio Telecom (09xx) and Safaricom ET (07xx)
const ETH_MOBILE_PREFIXES = ['911','912','913','914','915','916','917','921','922','923','924','930','931','932','933','934','935','936','937','938','939','961','962','963','964'];
function generateEthiopianPhone(): string {
const prefix = ETH_MOBILE_PREFIXES[Math.floor(Math.random() * ETH_MOBILE_PREFIXES.length)];
const suffix = String(Math.floor(Math.random() * 1_000_000)).padStart(6, '0');
return `+251${prefix}${suffix}`;
}
function generateGuestEmail(uniqueId: string): string {
const domains = ['gmail.com', 'yahoo.com', 'ethionet.et', 'telecom.et'];
const domain = domains[Math.floor(Math.random() * domains.length)];
return `guest.edr.${uniqueId}@${domain}`;
}
function calculateAge(dateOfBirth: Date): number {
const today = new Date();
let age = today.getFullYear() - dateOfBirth.getFullYear();
const monthDiff = today.getMonth() - dateOfBirth.getMonth();
if (monthDiff < 0 || (monthDiff === 0 && today.getDate() < dateOfBirth.getDate())) age--;
return age;
}
@Injectable()
export class GuestBookingService {
constructor(
private prisma: PrismaService,
private seatsService: SeatsService,
private verifaydaService: VerifaydaService,
private currencyService: CurrencyService,
private passengerAuthService: PassengerAuthService,
private fareEngine: FareEngineService,
private eventEmitter: EventEmitter2,
) {}
async createGuestBooking(dto: CreateGuestBookingDto, req?: any) {
if (dto.bookingType === 'ROUND_TRIP') return this.createGuestRoundTripBooking(dto, req);
if (dto.bookingType === 'TRANSIT') return this.createGuestTransitBooking(dto, req);
if (dto.bookingType === 'ROUND_TRIP_TRANSIT') return this.createGuestRoundTripTransitBooking(dto, req);
return this.createGuestOneWayBooking(dto, req);
}
private async createGuestOneWayBooking(dto: CreateGuestBookingDto, req?: any) {
// Validate hold
const hold = await this.prisma.seatHold.findUnique({ where: { id: dto.holdId } });
if (!hold || hold.expiresAt < new Date()) {
throw new BadRequestException('Seat hold expired or not found');
}
// Get schedule
const schedule = await this.prisma.trainSchedule.findUnique({
where: { id: dto.scheduleId },
include: {
originStation: true,
destinationStation: true,
stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } },
},
});
if (!schedule) throw new NotFoundException('Schedule not found');
if (Date.now() >= schedule.departureAt.getTime() - BOOKING_CUTOFF_MS) {
throw new BadRequestException('Bookings are not accepted within 30 minutes of departure');
}
const originStop = schedule.stopTimes.find(s => s.stationId === dto.originStationId)
?? (schedule.stopTimes.length === 0 ? { stationId: schedule.originStationId, sequence: 0, station: schedule.originStation } : undefined);
const destStop = schedule.stopTimes.find(s => s.stationId === dto.destinationStationId)
?? (schedule.stopTimes.length === 0 ? { stationId: schedule.destinationStationId, sequence: 1, station: schedule.destinationStation } : undefined);
if (!originStop || !destStop) throw new NotFoundException('Origin or destination not found');
const segmentRoute = `${originStop.station.code}-${destStop.station.code}`;
const fullRoute = `${schedule.originStation.code}-${schedule.destinationStation.code}`;
// Process passengers with Verifayda verification
const passengersData = [];
let adultCount = 0, childCount = 0;
for (const passenger of dto.passengers) {
const dateOfBirth = new Date(passenger.dateOfBirth);
const age = calculateAge(dateOfBirth);
const category: PassengerCategory = age < 5 ? PassengerCategory.CHILD : PassengerCategory.ADULT;
if (category === PassengerCategory.ADULT) adultCount++; else childCount++;
let passengerName = passenger.passengerName;
let verifaydaVerified = false;
let verifaydaData: Record<string, any> | undefined;
let nationality = passenger.nationality;
const isEthiopian = passenger.nationality === 'Ethiopian' ||
passenger.nationality === 'ETHIOPIAN' ||
passenger.idDocumentType === IdDocumentType.NATIONAL_ID;
if (isEthiopian && passenger.idDocumentType === IdDocumentType.NATIONAL_ID) {
if (passenger.idDocumentNumber) {
const verification = await this.verifaydaService.verifyNationalId(passenger.idDocumentNumber);
if (!verification.verified) {
throw new BadRequestException(
`Verifayda verification failed for ${passenger.passengerName}: ${verification.failureReason}`
);
}
passengerName = verification.passengerData?.fullName || passengerName;
verifaydaVerified = true;
verifaydaData = verification.passengerData?.profileData;
}
nationality = 'Ethiopian';
} else if (!isEthiopian && passenger.idDocumentType === IdDocumentType.PASSPORT) {
if (!passenger.passportNumber || !passenger.passportCountry) {
throw new BadRequestException(`Passport number and country required for ${passenger.passengerName}`);
}
nationality = nationality || (passenger.passportCountry === 'Djibouti' ? 'Djiboutian' : 'Other');
} else if (isEthiopian && passenger.idDocumentType === IdDocumentType.PASSPORT) {
nationality = 'Ethiopian';
} else if (!isEthiopian && passenger.idDocumentType === IdDocumentType.NATIONAL_ID) {
nationality = nationality || 'Other';
}
passengersData.push({
...passenger,
passengerName,
dateOfBirth,
category,
verifaydaVerified,
verifaydaData,
nationality,
});
}
// Calculate fare — package bookings use the fixed tier price, bypassing the fare engine
const isPackageOneway = !!dto.packageId && !!dto.priceTierId;
let baseFareMinor: number;
let paidChildrenCount: number;
let childUnitFare: number;
if (isPackageOneway) {
const tier = await this.prisma.packagePriceTier.findUniqueOrThrow({ where: { id: dto.priceTierId! } });
baseFareMinor = tier.priceMinor;
paidChildrenCount = childCount;
childUnitFare = Math.round(baseFareMinor * 0.1);
} else {
const primaryNationality = passengersData[0]?.nationality;
baseFareMinor = await this.getBaseFare(
dto.scheduleId,
dto.seatClassId,
segmentRoute,
fullRoute,
primaryNationality,
dto.originStationId,
dto.destinationStationId,
);
paidChildrenCount = Math.max(0, childCount - 1);
childUnitFare = baseFareMinor;
}
const adultFareMinor = baseFareMinor * adultCount;
const childFareMinor = childUnitFare * paidChildrenCount;
const totalBaseFareMinor = adultFareMinor + childFareMinor;
let discountMinor = 0;
if (dto.promoCode) {
const promo = await this.prisma.promotion.findUnique({ where: { code: dto.promoCode } });
if (promo?.active && promo.validUntil > new Date()) {
discountMinor = promo.percentOff
? Math.round(totalBaseFareMinor * promo.percentOff / 100)
: (promo.amountOffMinor ?? 0);
}
}
const taxesMinor = 0;
const totalMinor = Math.max(0, totalBaseFareMinor - discountMinor);
const displayCurrency = dto.displayCurrency || Currency.ETB;
let displayTotalMinor = totalMinor;
if (displayCurrency !== Currency.ETB) {
displayTotalMinor = await this.currencyService.convertAmount(totalMinor, Currency.ETB, displayCurrency);
}
// Resolve or create the guest Passenger record
const firstPassenger = passengersData[0];
const { guestPassengerId, iamUserId, createdAccount } = await this.resolveGuestPassenger(dto, firstPassenger, req);
// Save passenger details for future use (if requested)
if (dto.savePassengerDetails && (dto.createAccount || dto.deviceId)) {
for (const passenger of passengersData) {
await this.prisma.savedPassengerProfile.create({
data: {
userId: iamUserId ?? undefined,
deviceId: dto.deviceId,
passengerName: passenger.passengerName,
dateOfBirth: passenger.dateOfBirth,
idDocumentType: passenger.idDocumentType,
passportNumber: passenger.passportNumber,
passportCountry: passenger.passportCountry,
nationality: passenger.nationality,
phone: passenger.phone,
email: passenger.email,
},
});
}
}
// Create booking
const booking = await this.prisma.booking.create({
data: {
bookingRef: generateRef(),
passengerId: guestPassengerId,
scheduleId: dto.scheduleId,
status: 'PENDING_PAYMENT',
totalMinor,
adultCount,
childCount,
displayCurrency,
displayTotalMinor,
bookingType: 'ONE_WAY',
...(dto.packageId ? { packageId: dto.packageId, priceTierId: dto.priceTierId } : {}),
userAgent: dto.deviceId,
contactEmail: firstPassenger.email || null,
contactPhone: firstPassenger.phone || null,
seats: {
create: passengersData.map((p) => ({
seat: { connect: { id: p.seatId } },
passengerName: p.passengerName,
dateOfBirth: p.dateOfBirth,
passengerCategory: p.category,
idDocumentType: p.idDocumentType,
passportNumber: p.passportNumber,
passportCountry: p.passportCountry,
verifaydaVerified: p.verifaydaVerified,
verifaydaData: p.verifaydaData || undefined,
fareMinor: p.category === PassengerCategory.ADULT ? baseFareMinor : childUnitFare,
displayCurrency,
})),
},
},
include: {
seats: { include: { seat: { include: { coach: true } } } },
schedule: { include: { originStation: true, destinationStation: true, train: true } },
},
});
// Save passenger details as traveler profiles
await this.createTravelerProfiles(guestPassengerId, passengersData);
// Confirm seats
await this.seatsService.confirmSeats(dto.passengers.map(p => p.seatId));
this.eventEmitter.emit('booking.created', { booking });
return {
...booking,
createdAccount,
iamUserId,
fareBreakdown: {
baseFareMinor,
adultCount,
adultFareMinor,
childCount,
freeChildrenCount: isPackageOneway ? 0 : Math.min(childCount, 1),
paidChildrenCount,
childFareMinor,
totalBaseFareMinor,
discountMinor,
taxesFeesMinor: taxesMinor,
totalMinor,
currency: 'ETB',
displayCurrency,
displayTotalMinor,
},
};
}
private async createGuestRoundTripBooking(dto: CreateGuestBookingDto, req?: any) {
if (!dto.returnScheduleId || !dto.returnHoldId || !dto.returnOriginStationId || !dto.returnDestinationStationId) {
throw new BadRequestException('returnScheduleId, returnHoldId, returnOriginStationId and returnDestinationStationId are required for ROUND_TRIP');
}
// Validate both holds
const [outboundHold, returnHold] = await Promise.all([
this.prisma.seatHold.findUnique({ where: { id: dto.holdId } }),
this.prisma.seatHold.findUnique({ where: { id: dto.returnHoldId } }),
]);
if (!outboundHold || outboundHold.expiresAt < new Date()) throw new BadRequestException('Outbound seat hold expired or not found');
if (!returnHold || returnHold.expiresAt < new Date()) throw new BadRequestException('Return seat hold expired or not found');
// Validate passengers have returnSeatId
for (const p of dto.passengers) {
if (!p.returnSeatId) throw new BadRequestException(`returnSeatId is required for each passenger in a ROUND_TRIP booking (missing for ${p.passengerName})`);
}
// Load both schedules
const [outboundSchedule, returnSchedule] = await Promise.all([
this.prisma.trainSchedule.findUnique({
where: { id: dto.scheduleId },
include: { originStation: true, destinationStation: true, stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } } },
}),
this.prisma.trainSchedule.findUnique({
where: { id: dto.returnScheduleId },
include: { originStation: true, destinationStation: true, stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } } },
}),
]);
if (!outboundSchedule) throw new NotFoundException('Outbound schedule not found');
if (!returnSchedule) throw new NotFoundException('Return schedule not found');
if (Date.now() >= outboundSchedule.departureAt.getTime() - BOOKING_CUTOFF_MS) {
throw new BadRequestException('Bookings are not accepted within 30 minutes of departure');
}
const synth = (sched: any, stationId: string, seq: number) => {
const station = sched.originStationId === stationId ? sched.originStation : sched.destinationStation;
return { stationId, sequence: seq, station };
};
const obStops = outboundSchedule.stopTimes.length > 0 ? outboundSchedule.stopTimes : [synth(outboundSchedule, outboundSchedule.originStationId, 0), synth(outboundSchedule, outboundSchedule.destinationStationId, 1)];
const retStops = returnSchedule.stopTimes.length > 0 ? returnSchedule.stopTimes : [synth(returnSchedule, returnSchedule.originStationId, 0), synth(returnSchedule, returnSchedule.destinationStationId, 1)];
const outboundOriginStop = obStops.find((s: any) => s.stationId === dto.originStationId) ?? obStops[0];
const outboundDestStop = obStops.find((s: any) => s.stationId === dto.destinationStationId) ?? obStops[obStops.length - 1];
const returnOriginStop = retStops.find((s: any) => s.stationId === dto.returnOriginStationId) ?? retStops[0];
const returnDestStop = retStops.find((s: any) => s.stationId === dto.returnDestinationStationId) ?? retStops[retStops.length - 1];
if (!outboundOriginStop || !outboundDestStop) throw new NotFoundException('Outbound origin or destination not found on schedule');
if (!returnOriginStop || !returnDestStop) throw new NotFoundException('Return origin or destination not found on schedule');
const outboundSegmentRoute = `${outboundOriginStop.station.code}-${outboundDestStop.station.code}`;
const outboundFullRoute = `${outboundSchedule.originStation.code}-${outboundSchedule.destinationStation.code}`;
const returnSegmentRoute = `${returnOriginStop.station.code}-${returnDestStop.station.code}`;
const returnFullRoute = `${returnSchedule.originStation.code}-${returnSchedule.destinationStation.code}`;
// Process passengers (verify identity once — same person travels both legs)
const passengersData: any[] = [];
let adultCount = 0, childCount = 0;
for (const passenger of dto.passengers) {
const dateOfBirth = new Date(passenger.dateOfBirth);
const age = calculateAge(dateOfBirth);
const category: PassengerCategory = age < 5 ? PassengerCategory.CHILD : PassengerCategory.ADULT;
if (category === PassengerCategory.ADULT) adultCount++; else childCount++;
let passengerName = passenger.passengerName;
let verifaydaVerified = false;
let verifaydaData: Record<string, any> | undefined;
let nationality = passenger.nationality;
const isEthiopian = passenger.nationality === 'Ethiopian' ||
passenger.nationality === 'ETHIOPIAN' ||
passenger.idDocumentType === IdDocumentType.NATIONAL_ID;
if (isEthiopian && passenger.idDocumentType === IdDocumentType.NATIONAL_ID) {
if (passenger.idDocumentNumber) {
const verification = await this.verifaydaService.verifyNationalId(passenger.idDocumentNumber);
if (!verification.verified) throw new BadRequestException(`Verifayda verification failed for ${passenger.passengerName}: ${verification.failureReason}`);
passengerName = verification.passengerData?.fullName || passengerName;
verifaydaVerified = true;
verifaydaData = verification.passengerData?.profileData;
}
nationality = 'Ethiopian';
} else if (!isEthiopian && passenger.idDocumentType === IdDocumentType.PASSPORT) {
if (!passenger.passportNumber || !passenger.passportCountry) throw new BadRequestException(`Passport number and country required for ${passenger.passengerName}`);
nationality = nationality || (passenger.passportCountry === 'Djibouti' ? 'Djiboutian' : 'Other');
} else if (isEthiopian && passenger.idDocumentType === IdDocumentType.PASSPORT) {
nationality = 'Ethiopian';
} else {
nationality = nationality || 'Other';
}
passengersData.push({ ...passenger, passengerName, dateOfBirth, category, verifaydaVerified, verifaydaData, nationality });
}
// Calculate fares for both legs — package bookings use the fixed tier price split across legs
const returnSeatClassId = dto.returnSeatClassId || dto.seatClassId;
const isPackageRoundTrip = !!dto.packageId && !!dto.priceTierId;
let outboundBaseFare: number;
let returnBaseFare: number;
let paidChildrenCount: number;
let outboundChildUnitFare: number;
let returnChildUnitFare: number;
if (isPackageRoundTrip) {
const tier = await this.prisma.packagePriceTier.findUniqueOrThrow({ where: { id: dto.priceTierId! } });
// tier.priceMinor is the full round-trip price per adult; split evenly across legs
const halfMinor = Math.round(tier.priceMinor / 2);
outboundBaseFare = halfMinor;
returnBaseFare = tier.priceMinor - halfMinor;
paidChildrenCount = childCount;
outboundChildUnitFare = Math.round(outboundBaseFare * 0.1);
returnChildUnitFare = Math.round(returnBaseFare * 0.1);
} else {
const primaryNationality = passengersData[0]?.nationality;
[outboundBaseFare, returnBaseFare] = await Promise.all([
this.getBaseFare(dto.scheduleId, dto.seatClassId, outboundSegmentRoute, outboundFullRoute, primaryNationality, dto.originStationId, dto.destinationStationId),
this.getBaseFare(dto.returnScheduleId, returnSeatClassId, returnSegmentRoute, returnFullRoute, primaryNationality, dto.returnOriginStationId, dto.returnDestinationStationId),
]);
paidChildrenCount = Math.max(0, childCount - 1);
outboundChildUnitFare = outboundBaseFare;
returnChildUnitFare = returnBaseFare;
}
const outboundTotalBase = outboundBaseFare * adultCount + outboundChildUnitFare * paidChildrenCount;
const returnTotalBase = returnBaseFare * adultCount + returnChildUnitFare * paidChildrenCount;
const combinedBaseFareMinor = outboundTotalBase + returnTotalBase;
let discountMinor = 0;
if (dto.promoCode) {
const promo = await this.prisma.promotion.findUnique({ where: { code: dto.promoCode } });
if (promo?.active && promo.validUntil > new Date()) {
discountMinor = promo.percentOff
? Math.round(combinedBaseFareMinor * promo.percentOff / 100)
: (promo.amountOffMinor ?? 0);
}
}
const taxesMinor = 0;
const totalMinor = Math.max(0, combinedBaseFareMinor - discountMinor);
const displayCurrency = dto.displayCurrency || Currency.ETB;
const displayTotalMinor = displayCurrency !== Currency.ETB
? await this.currencyService.convertAmount(totalMinor, Currency.ETB, displayCurrency)
: totalMinor;
// Create or resolve guest passenger (same as one-way)
const { guestPassengerId, iamUserId, createdAccount } = await this.resolveGuestPassenger(dto, passengersData[0], req);
// Create booking with outbound seats; return seats confirmed separately
const outboundSeatIds = dto.passengers.map(p => p.seatId);
const returnSeatIds = dto.passengers.map(p => p.returnSeatId!);
const booking = await this.prisma.booking.create({
data: {
bookingRef: generateRef(),
passengerId: guestPassengerId,
scheduleId: dto.scheduleId,
status: 'PENDING_PAYMENT',
bookingType: 'ROUND_TRIP',
totalMinor,
adultCount,
childCount,
displayCurrency,
displayTotalMinor,
returnScheduleId: dto.returnScheduleId,
returnOriginStationId: dto.returnOriginStationId,
returnDestinationStationId: dto.returnDestinationStationId,
returnHoldId: dto.returnHoldId,
returnSeatClassId,
returnLegStatus: 'NEITHER_USED',
...(dto.packageId ? { packageId: dto.packageId, priceTierId: dto.priceTierId } : {}),
userAgent: dto.deviceId,
contactEmail: passengersData[0]?.email || null,
contactPhone: passengersData[0]?.phone || null,
seats: {
create: [
...passengersData.map((p) => ({
seat: { connect: { id: p.seatId } },
leg: 1,
scheduleId: dto.scheduleId,
passengerName: p.passengerName,
dateOfBirth: p.dateOfBirth,
passengerCategory: p.category,
idDocumentType: p.idDocumentType,
passportNumber: p.passportNumber,
passportCountry: p.passportCountry,
verifaydaVerified: p.verifaydaVerified,
verifaydaData: p.verifaydaData || undefined,
fareMinor: p.category === PassengerCategory.ADULT ? outboundBaseFare : outboundChildUnitFare,
displayCurrency,
})),
...passengersData.map((p) => ({
seat: { connect: { id: p.returnSeatId } },
leg: 2,
scheduleId: dto.returnScheduleId,
passengerName: p.passengerName,
dateOfBirth: p.dateOfBirth,
passengerCategory: p.category,
idDocumentType: p.idDocumentType,
passportNumber: p.passportNumber,
passportCountry: p.passportCountry,
verifaydaVerified: p.verifaydaVerified,
verifaydaData: p.verifaydaData || undefined,
fareMinor: p.category === PassengerCategory.ADULT ? returnBaseFare : returnChildUnitFare,
displayCurrency,
})),
],
},
} as any,
include: {
seats: { include: { seat: { include: { coach: true } } } },
schedule: { include: { originStation: true, destinationStation: true, train: true } },
},
});
await this.createTravelerProfiles(guestPassengerId, passengersData);
await Promise.all([
this.seatsService.confirmSeats(outboundSeatIds),
this.seatsService.confirmSeats(returnSeatIds),
]);
this.eventEmitter.emit('booking.created', { booking });
return {
...booking,
createdAccount,
iamUserId,
fareBreakdown: {
outboundBaseFareMinor: outboundBaseFare,
returnBaseFareMinor: returnBaseFare,
adultCount,
childCount,
freeChildrenCount: isPackageRoundTrip ? 0 : Math.min(childCount, 1),
paidChildrenCount,
combinedBaseFareMinor,
discountMinor,
taxesFeesMinor: taxesMinor,
totalMinor,
currency: 'ETB',
displayCurrency,
displayTotalMinor,
},
};
}
private async createGuestTransitBooking(dto: CreateGuestBookingDto, req?: any) {
if (!dto.leg2ScheduleId || !dto.leg2HoldId || !dto.transitStationId || !dto.leg2DestinationStationId) {
throw new BadRequestException('leg2ScheduleId, leg2HoldId, transitStationId and leg2DestinationStationId are required for TRANSIT bookings');
}
const [leg1Hold, leg2Hold] = await Promise.all([
this.prisma.seatHold.findUnique({ where: { id: dto.holdId } }),
this.prisma.seatHold.findUnique({ where: { id: dto.leg2HoldId } }),
]);
if (!leg1Hold || leg1Hold.expiresAt < new Date()) throw new BadRequestException('Leg-1 seat hold expired or not found');
if (!leg2Hold || leg2Hold.expiresAt < new Date()) throw new BadRequestException('Leg-2 seat hold expired or not found');
for (const p of dto.passengers) {
if (!p.leg2SeatId) throw new BadRequestException(`leg2SeatId is required for each passenger in a TRANSIT booking (missing for ${p.passengerName})`);
}
const [leg1Schedule, leg2Schedule] = await Promise.all([
this.prisma.trainSchedule.findUnique({
where: { id: dto.scheduleId },
include: { originStation: true, destinationStation: true, stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } } },
}),
this.prisma.trainSchedule.findUnique({
where: { id: dto.leg2ScheduleId },
include: { originStation: true, destinationStation: true, stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } } },
}),
]);
if (!leg1Schedule) throw new NotFoundException('Leg-1 schedule not found');
if (!leg2Schedule) throw new NotFoundException('Leg-2 schedule not found');
if (Date.now() >= leg1Schedule.departureAt.getTime() - BOOKING_CUTOFF_MS) {
throw new BadRequestException('Bookings are not accepted within 30 minutes of departure');
}
const leg1OriginStop = leg1Schedule.stopTimes.find(s => s.stationId === dto.originStationId);
const leg1DestStop = leg1Schedule.stopTimes.find(s => s.stationId === dto.transitStationId);
const leg2OriginStop = leg2Schedule.stopTimes.find(s => s.stationId === dto.transitStationId);
const leg2DestStop = leg2Schedule.stopTimes.find(s => s.stationId === dto.leg2DestinationStationId);
if (!leg1OriginStop || !leg1DestStop) throw new NotFoundException('Leg-1 origin or transit station not found on schedule');
if (!leg2OriginStop || !leg2DestStop) throw new NotFoundException('Transit or leg-2 destination not found on leg-2 schedule');
// Process passengers (verify identity once)
const passengersData: any[] = [];
let adultCount = 0, childCount = 0;
for (const passenger of dto.passengers) {
const dateOfBirth = new Date(passenger.dateOfBirth);
const age = calculateAge(dateOfBirth);
const category: PassengerCategory = age < 5 ? PassengerCategory.CHILD : PassengerCategory.ADULT;
if (category === PassengerCategory.ADULT) adultCount++; else childCount++;
let passengerName = passenger.passengerName;
let verifaydaVerified = false;
let verifaydaData: Record<string, any> | undefined;
let nationality = passenger.nationality;
const isEthiopian = passenger.nationality === 'Ethiopian' || passenger.nationality === 'ETHIOPIAN' || passenger.idDocumentType === IdDocumentType.NATIONAL_ID;
if (isEthiopian && passenger.idDocumentType === IdDocumentType.NATIONAL_ID && passenger.idDocumentNumber) {
const verification = await this.verifaydaService.verifyNationalId(passenger.idDocumentNumber);
if (!verification.verified) throw new BadRequestException(`Verifayda verification failed for ${passenger.passengerName}: ${verification.failureReason}`);
passengerName = verification.passengerData?.fullName || passengerName;
verifaydaVerified = true;
verifaydaData = verification.passengerData?.profileData;
nationality = 'Ethiopian';
} else if (!isEthiopian && passenger.idDocumentType === IdDocumentType.PASSPORT) {
if (!passenger.passportNumber || !passenger.passportCountry) throw new BadRequestException(`Passport details required for ${passenger.passengerName}`);
nationality = nationality || (passenger.passportCountry === 'Djibouti' ? 'Djiboutian' : 'Other');
} else {
nationality = nationality || 'Other';
}
passengersData.push({ ...passenger, passengerName, dateOfBirth, category, verifaydaVerified, verifaydaData, nationality });
}
const leg2SeatClassId = dto.leg2SeatClassId || dto.seatClassId;
const primaryNationality = passengersData[0]?.nationality;
const paidChildrenCount = Math.max(0, childCount - 1);
const [leg1BaseFare, leg2BaseFare] = await Promise.all([
this.getBaseFare(dto.scheduleId, dto.seatClassId,
`${leg1OriginStop.station.code}-${leg1DestStop.station.code}`,
`${leg1Schedule.originStation.code}-${leg1Schedule.destinationStation.code}`,
primaryNationality, dto.originStationId, dto.transitStationId),
this.getBaseFare(dto.leg2ScheduleId, leg2SeatClassId,
`${leg2OriginStop.station.code}-${leg2DestStop.station.code}`,
`${leg2Schedule.originStation.code}-${leg2Schedule.destinationStation.code}`,
primaryNationality, dto.transitStationId, dto.leg2DestinationStationId),
]);
const leg1Total = leg1BaseFare * adultCount + leg1BaseFare * paidChildrenCount;
const leg2Total = leg2BaseFare * adultCount + leg2BaseFare * paidChildrenCount;
const combinedBase = leg1Total + leg2Total;
let discountMinor = 0;
if (dto.promoCode) {
const promo = await this.prisma.promotion.findUnique({ where: { code: dto.promoCode } });
if (promo?.active && promo.validUntil > new Date()) {
discountMinor = promo.percentOff ? Math.round(combinedBase * promo.percentOff / 100) : (promo.amountOffMinor ?? 0);
}
}
const taxesMinor = 0;
const totalMinor = Math.max(0, combinedBase - discountMinor);
const displayCurrency = dto.displayCurrency || Currency.ETB;
const displayTotalMinor = displayCurrency !== Currency.ETB
? await this.currencyService.convertAmount(totalMinor, Currency.ETB, displayCurrency)
: totalMinor;
const { guestPassengerId, iamUserId, createdAccount } = await this.resolveGuestPassenger(dto, passengersData[0], req);
// Single booking — leg-1 seats at leg=1, leg-2 seats at leg=2
const booking = await this.prisma.booking.create({
data: {
bookingRef: generateRef(),
passengerId: guestPassengerId,
scheduleId: dto.scheduleId,
status: 'PENDING_PAYMENT',
bookingType: 'TRANSIT',
totalMinor,
adultCount,
childCount,
displayCurrency,
displayTotalMinor,
leg2ScheduleId: dto.leg2ScheduleId,
leg2OriginStationId: dto.transitStationId,
leg2DestinationStationId: dto.leg2DestinationStationId,
leg2SeatClassId: leg2SeatClassId,
userAgent: dto.deviceId,
contactEmail: passengersData[0]?.email || null,
contactPhone: passengersData[0]?.phone || null,
seats: {
create: [
...passengersData.map(p => ({
seat: { connect: { id: p.seatId } },
leg: 1,
scheduleId: dto.scheduleId,
passengerName: p.passengerName,
dateOfBirth: p.dateOfBirth,
passengerCategory: p.category,
idDocumentType: p.idDocumentType,
passportNumber: p.passportNumber,
passportCountry: p.passportCountry,
verifaydaVerified: p.verifaydaVerified,
verifaydaData: p.verifaydaData || undefined,
fareMinor: p.category === PassengerCategory.ADULT ? leg1BaseFare : (paidChildrenCount > 0 ? leg1BaseFare : 0),
displayCurrency,
})),
...passengersData.map(p => ({
seat: { connect: { id: p.leg2SeatId! } },
leg: 2,
scheduleId: dto.leg2ScheduleId,
passengerName: p.passengerName,
dateOfBirth: p.dateOfBirth,
passengerCategory: p.category,
idDocumentType: p.idDocumentType,
passportNumber: p.passportNumber,
passportCountry: p.passportCountry,
verifaydaVerified: p.verifaydaVerified,
verifaydaData: p.verifaydaData || undefined,
fareMinor: p.category === PassengerCategory.ADULT ? leg2BaseFare : (paidChildrenCount > 0 ? leg2BaseFare : 0),
displayCurrency,
})),
],
},
} as any,
include: {
seats: { include: { seat: { include: { coach: true } } } },
schedule: { include: { originStation: true, destinationStation: true, train: true } },
},
});
await this.createTravelerProfiles(guestPassengerId, passengersData);
await Promise.all([
this.seatsService.confirmSeats(dto.passengers.map(p => p.seatId)),
this.seatsService.confirmSeats(dto.passengers.map(p => p.leg2SeatId!)),
]);
this.eventEmitter.emit('booking.created', { booking });
return {
...booking,
createdAccount,
iamUserId,
fareBreakdown: {
leg1BaseFareMinor: leg1BaseFare,
leg2BaseFareMinor: leg2BaseFare,
adultCount, childCount,
freeChildrenCount: Math.min(childCount, 1),
paidChildrenCount,
combinedBaseFareMinor: combinedBase,
discountMinor, taxesFeesMinor: taxesMinor, totalMinor,
currency: 'ETB', displayCurrency, displayTotalMinor,
},
};
}
private async createGuestRoundTripTransitBooking(dto: CreateGuestBookingDto, req?: any) {
if (!dto.leg2ScheduleId || !dto.leg2HoldId || !dto.transitStationId || !dto.leg2DestinationStationId ||
!dto.returnScheduleId || !dto.returnHoldId || !dto.returnOriginStationId || !dto.returnDestinationStationId ||
!dto.returnLeg2ScheduleId || !dto.returnLeg2HoldId || !dto.returnTransitStationId || !dto.returnLeg2DestinationStationId) {
throw new BadRequestException(
'ROUND_TRIP_TRANSIT requires all 4 holds and all transit/return station fields',
);
}
for (const p of dto.passengers) {
if (!p.leg2SeatId) throw new BadRequestException(`leg2SeatId required for ${p.passengerName}`);
if (!p.returnSeatId) throw new BadRequestException(`returnSeatId required for ${p.passengerName}`);
if (!p.returnLeg2SeatId) throw new BadRequestException(`returnLeg2SeatId required for ${p.passengerName}`);
}
const now = new Date();
const [obL1Hold, obL2Hold, retL1Hold, retL2Hold] = await Promise.all([
this.prisma.seatHold.findUnique({ where: { id: dto.holdId } }),
this.prisma.seatHold.findUnique({ where: { id: dto.leg2HoldId } }),
this.prisma.seatHold.findUnique({ where: { id: dto.returnHoldId } }),
this.prisma.seatHold.findUnique({ where: { id: dto.returnLeg2HoldId } }),
]);
if (!obL1Hold || obL1Hold.expiresAt < now) throw new BadRequestException('Outbound leg-1 hold expired');
if (!obL2Hold || obL2Hold.expiresAt < now) throw new BadRequestException('Outbound leg-2 hold expired');
if (!retL1Hold || retL1Hold.expiresAt < now) throw new BadRequestException('Return leg-1 hold expired');
if (!retL2Hold || retL2Hold.expiresAt < now) throw new BadRequestException('Return leg-2 hold expired');
const [obL1Sched, obL2Sched, retL1Sched, retL2Sched] = await Promise.all([
this.prisma.trainSchedule.findUnique({ where: { id: dto.scheduleId }, include: { originStation: true, destinationStation: true, stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } } } }),
this.prisma.trainSchedule.findUnique({ where: { id: dto.leg2ScheduleId }, include: { originStation: true, destinationStation: true, stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } } } }),
this.prisma.trainSchedule.findUnique({ where: { id: dto.returnScheduleId }, include: { originStation: true, destinationStation: true, stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } } } }),
this.prisma.trainSchedule.findUnique({ where: { id: dto.returnLeg2ScheduleId },include: { originStation: true, destinationStation: true, stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } } } }),
]);
if (!obL1Sched) throw new NotFoundException('Outbound leg-1 schedule not found');
if (!obL2Sched) throw new NotFoundException('Outbound leg-2 schedule not found');
if (!retL1Sched) throw new NotFoundException('Return leg-1 schedule not found');
if (!retL2Sched) throw new NotFoundException('Return leg-2 schedule not found');
if (Date.now() >= obL1Sched.departureAt.getTime() - BOOKING_CUTOFF_MS) {
throw new BadRequestException('Bookings are not accepted within 30 minutes of departure');
}
const obL1Origin = obL1Sched.stopTimes.find(s => s.stationId === dto.originStationId);
const obL1Dest = obL1Sched.stopTimes.find(s => s.stationId === dto.transitStationId);
const obL2Origin = obL2Sched.stopTimes.find(s => s.stationId === dto.transitStationId);
const obL2Dest = obL2Sched.stopTimes.find(s => s.stationId === dto.leg2DestinationStationId);
const retL1Origin = retL1Sched.stopTimes.find(s => s.stationId === dto.returnOriginStationId);
const retL1Dest = retL1Sched.stopTimes.find(s => s.stationId === dto.returnTransitStationId);
const retL2Origin = retL2Sched.stopTimes.find(s => s.stationId === dto.returnTransitStationId);
const retL2Dest = retL2Sched.stopTimes.find(s => s.stationId === dto.returnLeg2DestinationStationId);
if (!obL1Origin || !obL1Dest) throw new NotFoundException('Outbound leg-1: origin or transit stop not found');
if (!obL2Origin || !obL2Dest) throw new NotFoundException('Outbound leg-2: transit or destination stop not found');
if (!retL1Origin || !retL1Dest) throw new NotFoundException('Return leg-1: origin or transit stop not found');
if (!retL2Origin || !retL2Dest) throw new NotFoundException('Return leg-2: transit or destination stop not found');
// Process passengers (verify once)
const passengersData: any[] = [];
let adultCount = 0, childCount = 0;
for (const passenger of dto.passengers) {
const dateOfBirth = new Date(passenger.dateOfBirth);
const category: PassengerCategory = calculateAge(dateOfBirth) < 5 ? PassengerCategory.CHILD : PassengerCategory.ADULT;
if (category === PassengerCategory.ADULT) adultCount++; else childCount++;
let passengerName = passenger.passengerName;
let verifaydaVerified = false;
let verifaydaData: Record<string, any> | undefined;
let nationality = passenger.nationality;
const isEthiopian = nationality === 'Ethiopian' || nationality === 'ETHIOPIAN' || passenger.idDocumentType === IdDocumentType.NATIONAL_ID;
if (isEthiopian && passenger.idDocumentType === IdDocumentType.NATIONAL_ID && passenger.idDocumentNumber) {
const v = await this.verifaydaService.verifyNationalId(passenger.idDocumentNumber);
if (!v.verified) throw new BadRequestException(`Verifayda failed for ${passenger.passengerName}: ${v.failureReason}`);
passengerName = v.passengerData?.fullName || passengerName;
verifaydaVerified = true;
verifaydaData = v.passengerData?.profileData;
nationality = 'Ethiopian';
} else if (!isEthiopian && passenger.idDocumentType === IdDocumentType.PASSPORT) {
if (!passenger.passportNumber || !passenger.passportCountry) throw new BadRequestException(`Passport details required for ${passenger.passengerName}`);
nationality = nationality || (passenger.passportCountry === 'Djibouti' ? 'Djiboutian' : 'Other');
} else {
nationality = nationality || 'Other';
}
passengersData.push({ ...passenger, passengerName, dateOfBirth, category, verifaydaVerified, verifaydaData, nationality });
}
const nat = passengersData[0]?.nationality;
const paidChildren = Math.max(0, childCount - 1);
const obL2ClassId = dto.leg2SeatClassId ?? dto.seatClassId;
const retL1ClassId = dto.returnSeatClassId ?? dto.seatClassId;
const retL2ClassId = dto.returnLeg2SeatClassId ?? dto.seatClassId;
const [obL1Fare, obL2Fare, retL1Fare, retL2Fare] = await Promise.all([
this.getBaseFare(dto.scheduleId, dto.seatClassId, `${obL1Origin.station.code}-${obL1Dest.station.code}`, `${obL1Sched.originStation.code}-${obL1Sched.destinationStation.code}`, nat, dto.originStationId, dto.transitStationId),
this.getBaseFare(dto.leg2ScheduleId!, obL2ClassId, `${obL2Origin.station.code}-${obL2Dest.station.code}`, `${obL2Sched.originStation.code}-${obL2Sched.destinationStation.code}`, nat, dto.transitStationId, dto.leg2DestinationStationId),
this.getBaseFare(dto.returnScheduleId!, retL1ClassId, `${retL1Origin.station.code}-${retL1Dest.station.code}`, `${retL1Sched.originStation.code}-${retL1Sched.destinationStation.code}`, nat, dto.returnOriginStationId, dto.returnTransitStationId),
this.getBaseFare(dto.returnLeg2ScheduleId!,retL2ClassId, `${retL2Origin.station.code}-${retL2Dest.station.code}`, `${retL2Sched.originStation.code}-${retL2Sched.destinationStation.code}`, nat, dto.returnTransitStationId, dto.returnLeg2DestinationStationId),
]);
const combinedBase = (obL1Fare + obL2Fare + retL1Fare + retL2Fare) * adultCount +
(obL1Fare + obL2Fare + retL1Fare + retL2Fare) * paidChildren;
let discountMinor = 0;
if (dto.promoCode) {
const promo = await this.prisma.promotion.findUnique({ where: { code: dto.promoCode } });
if (promo?.active && promo.validUntil > new Date()) {
discountMinor = promo.percentOff ? Math.round(combinedBase * promo.percentOff / 100) : (promo.amountOffMinor ?? 0);
}
}
const taxesMinor = Math.round(combinedBase * 0.05);
const totalMinor = Math.max(0, combinedBase - discountMinor + taxesMinor);
const displayCurrency = dto.displayCurrency || Currency.ETB;
const displayTotalMinor = displayCurrency !== Currency.ETB
? await this.currencyService.convertAmount(totalMinor, Currency.ETB, displayCurrency)
: totalMinor;
const { guestPassengerId, iamUserId, createdAccount } = await this.resolveGuestPassenger(dto, passengersData[0], req);
const makeSeat = (p: any, seatId: string, leg: number, scheduleId: string, fare: number) => ({
seat: { connect: { id: seatId } },
leg,
scheduleId,
passengerName: p.passengerName,
dateOfBirth: p.dateOfBirth,
passengerCategory: p.category,
idDocumentType: p.idDocumentType,
passportNumber: p.passportNumber,
passportCountry: p.passportCountry,
verifaydaVerified: p.verifaydaVerified,
verifaydaData: p.verifaydaData || undefined,
fareMinor: p.category === PassengerCategory.ADULT ? fare : (paidChildren > 0 ? fare : 0),
displayCurrency,
});
const booking = await this.prisma.booking.create({
data: {
bookingRef: generateRef(),
passengerId: guestPassengerId,
scheduleId: dto.scheduleId,
status: 'PENDING_PAYMENT',
bookingType: 'ROUND_TRIP_TRANSIT',
totalMinor, adultCount, childCount, displayCurrency, displayTotalMinor,
leg2ScheduleId: dto.leg2ScheduleId,
leg2OriginStationId: dto.transitStationId,
leg2DestinationStationId: dto.leg2DestinationStationId,
leg2SeatClassId: obL2ClassId,
returnScheduleId: dto.returnScheduleId,
returnOriginStationId: dto.returnOriginStationId,
returnDestinationStationId: dto.returnDestinationStationId,
returnSeatClassId: retL1ClassId,
returnLeg2ScheduleId: dto.returnLeg2ScheduleId,
returnLeg2OriginStationId: dto.returnTransitStationId,
returnLeg2DestStationId: dto.returnLeg2DestinationStationId,
returnLeg2SeatClassId: retL2ClassId,
returnLegStatus: 'NEITHER_USED',
userAgent: dto.deviceId,
contactEmail: passengersData[0]?.email || null,
contactPhone: passengersData[0]?.phone || null,
seats: {
create: [
...passengersData.map(p => makeSeat(p, p.seatId, 1, dto.scheduleId, obL1Fare)),
...passengersData.map(p => makeSeat(p, p.leg2SeatId!, 2, dto.leg2ScheduleId!, obL2Fare)),
...passengersData.map(p => makeSeat(p, p.returnSeatId!, 3, dto.returnScheduleId!, retL1Fare)),
...passengersData.map(p => makeSeat(p, p.returnLeg2SeatId!,4, dto.returnLeg2ScheduleId!,retL2Fare)),
],
},
} as any,
include: {
seats: { include: { seat: { include: { coach: true } } } },
schedule: { include: { originStation: true, destinationStation: true, train: true } },
},
});
await this.createTravelerProfiles(guestPassengerId, passengersData);
await Promise.all([
this.seatsService.confirmSeats(dto.passengers.map(p => p.seatId)),
this.seatsService.confirmSeats(dto.passengers.map(p => p.leg2SeatId!)),
this.seatsService.confirmSeats(dto.passengers.map(p => p.returnSeatId!)),
this.seatsService.confirmSeats(dto.passengers.map(p => p.returnLeg2SeatId!)),
]);
this.eventEmitter.emit('booking.created', { booking });
return {
...booking,
createdAccount,
iamUserId,
fareBreakdown: {
outboundLeg1FareMinor: obL1Fare,
outboundLeg2FareMinor: obL2Fare,
returnLeg1FareMinor: retL1Fare,
returnLeg2FareMinor: retL2Fare,
adultCount, childCount,
freeChildrenCount: Math.min(childCount, 1),
paidChildrenCount: paidChildren,
combinedBaseFareMinor: combinedBase,
discountMinor, taxesFeesMinor: taxesMinor, totalMinor,
currency: 'ETB', displayCurrency, displayTotalMinor,
},
};
}
private async resolveGuestPassenger(
dto: Pick<CreateGuestBookingDto, 'createAccount' | 'password' | 'deviceId'>,
firstPassenger: any,
req?: any,
): Promise<{ guestPassengerId: string; iamUserId: string | null; createdAccount: boolean }> {
if (dto.createAccount && firstPassenger.email && dto.password) {
const guestName = firstPassenger.passengerName ?? 'Guest';
const result = await this.passengerAuthService.registerWithPassword(
{
email: firstPassenger.email,
username: firstPassenger.email,
phoneNumber: firstPassenger.phone || `+251900000000`,
name: { en: guestName, am: guestName },
password: dto.password,
},
req,
);
return { guestPassengerId: result.passengerId, iamUserId: result.iamUserId, createdAccount: true };
}
// Create guest passenger with basic profile
const guestPassenger = await this.prisma.passenger.create({ data: {} });
await this.prisma.loyaltyAccount.create({ data: { passengerId: guestPassenger.id, pointsBalance: 0, tier: 'BRONZE' } });
await this.prisma.walletAccount.create({ data: { passengerId: guestPassenger.id, balanceMinor: 0 } });
return { guestPassengerId: guestPassenger.id, iamUserId: null, createdAccount: false };
}
private async createTravelerProfiles(passengerId: string, passengersData: any[]): Promise<void> {
for (const passenger of passengersData) {
let gender: string | null = null;
if (passenger.verifaydaData && typeof passenger.verifaydaData === 'object') {
gender = passenger.verifaydaData.gender || passenger.verifaydaData.Gender || null;
}
await this.prisma.travelerProfile.create({
data: {
passengerId,
fullName: passenger.passengerName,
gender,
dateOfBirth: passenger.dateOfBirth,
nationalId: passenger.idDocumentType === IdDocumentType.NATIONAL_ID ? passenger.idDocumentNumber : null,
relationship: 'self',
notes: JSON.stringify({
idDocumentType: passenger.idDocumentType,
idDocumentNumber: passenger.idDocumentNumber,
passportNumber: passenger.passportNumber,
passportCountry: passenger.passportCountry,
nationality: passenger.nationality,
phone: passenger.phone,
email: passenger.email,
verifaydaVerified: passenger.verifaydaVerified,
}),
},
});
}
}
async getSavedPassengers(userId?: string, deviceId?: string): Promise<SavedPassengerProfileDto[]> {
if (!userId && !deviceId) {
throw new BadRequestException('Either userId or deviceId is required');
}
const profiles = await this.prisma.savedPassengerProfile.findMany({
where: {
OR: [
userId ? { userId } : {},
deviceId ? { deviceId } : {},
],
},
orderBy: { createdAt: 'desc' },
});
return profiles.map((p: any) => ({
passengerName: p.passengerName,
dateOfBirth: p.dateOfBirth.toISOString().split('T')[0],
idDocumentType: p.idDocumentType,
idDocumentNumber: undefined,
passportNumber: p.passportNumber || undefined,
passportCountry: p.passportCountry || undefined,
nationality: p.nationality || undefined,
phone: p.phone || undefined,
email: p.email || undefined,
}));
}
private async getBaseFare(
scheduleId: string,
seatClassId: string,
segmentRoute?: string,
fullRoute?: string,
nationality?: string,
originStationId?: string,
destinationStationId?: string,
): Promise<number> {
const now = new Date();
// 1. FareRule table — explicit override rules (same priority logic as the fare engine)
const [candidates, seatClass] = await Promise.all([
this.prisma.fareRule.findMany({
where: {
seatClassId,
validFrom: { lte: now },
OR: [{ validUntil: null }, { validUntil: { gte: now } }],
},
}),
this.prisma.seatClass.findUnique({
where: { id: seatClassId },
select: { premiumMinor: true, insuranceFeeMinor: true },
}),
]);
const premiumMinor = seatClass?.premiumMinor ?? 0;
const insuranceMinor = seatClass?.insuranceFeeMinor ?? 0;
const priorities = [
{ tripId: scheduleId, route: segmentRoute, nationality },
{ tripId: scheduleId, route: segmentRoute, nationality: null },
{ tripId: scheduleId, route: fullRoute, nationality },
{ tripId: scheduleId, route: fullRoute, nationality: null },
{ tripId: scheduleId, route: null, nationality },
{ tripId: scheduleId, route: null, nationality: null },
{ tripId: null, route: segmentRoute, nationality },
{ tripId: null, route: segmentRoute, nationality: null },
{ tripId: null, route: fullRoute, nationality },
{ tripId: null, route: fullRoute, nationality: null },
{ tripId: null, route: null, nationality },
{ tripId: null, route: null, nationality: null },
];
for (const priority of priorities) {
const match = candidates.find(
(c) => c.tripId === priority.tripId && c.route === priority.route && c.nationality === priority.nationality,
);
// Return base fare + seat-class surcharges so the booking total matches the quoted fare
if (match) return match.baseFareMinor + premiumMinor + insuranceMinor;
}
// 2. FareEngine — distance × rate-per-km from the booking's actual segment stations
const schedule = await this.prisma.trainSchedule.findUnique({
where: { id: scheduleId },
select: { routeId: true, originStationId: true, destinationStationId: true },
});
if (schedule?.routeId) {
try {
const fare = await this.fareEngine.calculate({
routeId: schedule.routeId,
// Use the booking's boarding/alighting stations so the distance reflects the
// passenger's actual segment, not the full schedule route.
originStationId: originStationId ?? schedule.originStationId,
destinationStationId: destinationStationId ?? schedule.destinationStationId,
seatClassId,
nationality,
});
// farePerPassengerMinor already includes base + premiumMinor + insuranceFeeMinor
return fare.farePerPassengerMinor;
} catch {
// FareEngine throws if distanceKm is missing; fall through to error
}
}
throw new BadRequestException(
`No fare configured for this schedule and seat class. Please set up fare rules or route distances.`,
);
}
}