Files
edr-platform/apps/edr-passenger-api/src/modules/bookings/guest-booking.service.ts
2026-06-02 20:48:14 +03:00

366 lines
14 KiB
TypeScript

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 { EventEmitter2 } from '@nestjs/event-emitter';
import { CreateGuestBookingDto, SavedPassengerProfileDto } from './guest-booking.dto';
import { Currency, PassengerCategory, IdDocumentType } from '@prisma/client';
import * as bcrypt from 'bcrypt';
function generateRef(): string {
const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
return 'EDR-' + Array.from({ length: 6 }, () => chars[Math.floor(Math.random() * chars.length)]).join('');
}
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 eventEmitter: EventEmitter2,
) {}
async createGuestBooking(dto: CreateGuestBookingDto) {
// 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');
const originStop = schedule.stopTimes.find(s => s.stationId === dto.originStationId);
const destStop = schedule.stopTimes.find(s => s.stationId === dto.destinationStationId);
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;
// Determine if passenger is Ethiopian
const isEthiopian = passenger.nationality === 'Ethiopian' ||
passenger.nationality === 'ETHIOPIAN' ||
passenger.idDocumentType === IdDocumentType.NATIONAL_ID;
// Ethiopian with National ID
if (isEthiopian && passenger.idDocumentType === IdDocumentType.NATIONAL_ID) {
if (passenger.idDocumentNumber) {
// Attempt Fayda verification
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';
}
// International passenger with Passport (non-Ethiopian)
else if (!isEthiopian && passenger.idDocumentType === IdDocumentType.PASSPORT) {
// Passport details are required for international passengers
if (!passenger.passportNumber || !passenger.passportCountry) {
throw new BadRequestException(`Passport number and country required for ${passenger.passengerName}`);
}
nationality = nationality || (passenger.passportCountry === 'Djibouti' ? 'Djiboutian' : 'Other');
}
// Ethiopian with Passport (manual entry without Fayda)
else if (isEthiopian && passenger.idDocumentType === IdDocumentType.PASSPORT) {
// Ethiopians can use passport instead of national ID
nationality = 'Ethiopian';
}
// International with National ID (e.g., Djiboutian national ID)
else if (!isEthiopian && passenger.idDocumentType === IdDocumentType.NATIONAL_ID) {
nationality = nationality || 'Other';
}
passengersData.push({
...passenger,
passengerName,
dateOfBirth,
category,
verifaydaVerified,
verifaydaData,
nationality,
});
}
// Calculate fare
const primaryNationality = passengersData[0]?.nationality;
const baseFareMinor = await this.getBaseFare(
dto.scheduleId,
dto.seatClassId,
segmentRoute,
fullRoute,
primaryNationality
);
const adultFareMinor = baseFareMinor * adultCount;
const paidChildrenCount = Math.max(0, childCount - 1);
const childFareMinor = baseFareMinor * 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 = Math.round(totalBaseFareMinor * 0.05);
const totalMinor = Math.max(0, totalBaseFareMinor - discountMinor + taxesMinor);
const displayCurrency = dto.displayCurrency || Currency.ETB;
let displayTotalMinor = totalMinor;
if (displayCurrency !== Currency.ETB) {
displayTotalMinor = await this.currencyService.convertAmount(totalMinor, Currency.ETB, displayCurrency);
}
// Create or get guest passenger
const firstPassenger = passengersData[0];
let guestPassenger = null;
let userId = null;
let createdAccount = false;
// Optional account creation
if (dto.createAccount && firstPassenger.email && dto.password) {
const existingUser = await this.prisma.user.findUnique({ where: { email: firstPassenger.email } });
if (existingUser) {
throw new BadRequestException('Email already registered. Please login instead.');
}
const passwordHash = await bcrypt.hash(dto.password, 10);
const user = await this.prisma.user.create({
data: {
fullName: firstPassenger.passengerName,
email: firstPassenger.email,
phone: firstPassenger.phone || '',
passwordHash,
nationality: firstPassenger.nationality,
nationalId: firstPassenger.idDocumentType === IdDocumentType.NATIONAL_ID ? firstPassenger.idDocumentNumber : undefined,
passportNumber: firstPassenger.passportNumber,
},
});
guestPassenger = await this.prisma.passenger.create({ data: { userId: user.id } });
await this.prisma.loyaltyAccount.create({ data: { passengerId: guestPassenger.id, pointsBalance: 0, tier: 'BRONZE' } });
await this.prisma.walletAccount.create({ data: { passengerId: guestPassenger.id, balanceMinor: 0 } });
userId = user.id;
createdAccount = true;
} else {
// Create anonymous guest passenger with minimal data
const uniqueId = `${Date.now()}-${Math.random().toString(36).substring(2, 9)}`;
// Check if email exists and use a unique guest email if it does
let guestEmail = firstPassenger.email || `guest-${uniqueId}@edr-platform.com`;
if (firstPassenger.email) {
const existingUser = await this.prisma.user.findUnique({ where: { email: firstPassenger.email } });
if (existingUser) {
// Email exists, use guest email instead for anonymous booking
guestEmail = `guest-${uniqueId}@edr-platform.com`;
}
}
const tempUser = await this.prisma.user.create({
data: {
fullName: firstPassenger.passengerName,
email: guestEmail,
phone: firstPassenger.phone || `+251${uniqueId.replace(/[^0-9]/g, '').slice(0, 9)}`,
passwordHash: await bcrypt.hash(Math.random().toString(36), 10),
role: 'PASSENGER',
},
});
guestPassenger = await this.prisma.passenger.create({ data: { userId: tempUser.id } });
}
// Save passenger details for future use (if requested)
if (dto.savePassengerDetails && (dto.createAccount || dto.deviceId)) {
for (const passenger of passengersData) {
// Note: SavedPassengerProfile will be available after migration
// Temporarily disabled until prisma generate completes
// await this.prisma.savedPassengerProfile.create({ ... });
}
}
// Create booking
const booking = await this.prisma.booking.create({
data: {
bookingRef: generateRef(),
passengerId: guestPassenger.id,
scheduleId: dto.scheduleId,
status: 'PENDING_PAYMENT',
totalMinor,
adultCount,
childCount,
displayCurrency,
displayTotalMinor,
bookingType: 'ONE_WAY',
// contactEmail: firstPassenger.email, // Temporarily disabled until migration
// contactPhone: firstPassenger.phone, // Temporarily disabled until migration
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 : (paidChildrenCount > 0 ? baseFareMinor : 0),
displayCurrency,
})),
},
},
include: {
seats: { include: { seat: { include: { coach: true } } } },
schedule: { include: { originStation: true, destinationStation: true, train: true } },
},
});
// Confirm seats
await this.seatsService.confirmSeats(dto.passengers.map(p => p.seatId));
this.eventEmitter.emit('booking.created', { booking });
return {
...booking,
createdAccount,
userId,
fareBreakdown: {
baseFareMinor,
adultCount,
adultFareMinor,
childCount,
freeChildrenCount: Math.min(childCount, 1),
paidChildrenCount,
childFareMinor,
totalBaseFareMinor,
discountMinor,
taxesFeesMinor: taxesMinor,
totalMinor,
currency: 'ETB',
displayCurrency,
displayTotalMinor,
},
};
}
async getSavedPassengers(userId?: string, deviceId?: string): Promise<SavedPassengerProfileDto[]> {
if (!userId && !deviceId) {
throw new BadRequestException('Either userId or deviceId is required');
}
// Temporarily return empty array until Prisma client is regenerated
return [];
/* Uncomment after running migration and prisma generate
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, // Never return sensitive data
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,
): Promise<number> {
const now = new Date();
const candidates = await this.prisma.fareRule.findMany({
where: {
seatClassId,
validFrom: { lte: now },
OR: [{ validUntil: null }, { validUntil: { gte: now } }],
},
});
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,
);
if (match) return match.baseFareMinor;
}
return 35000; // Default fallback
}
}