mirror of
https://github.com/Tria-plc/edr-platform.git
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1890 lines
68 KiB
TypeScript
1890 lines
68 KiB
TypeScript
import {
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BadRequestException,
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ConflictException,
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Injectable,
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Logger,
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NotFoundException,
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OnModuleInit,
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Optional,
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} from '@nestjs/common';
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import { InjectDataSource } from '@nestjs/typeorm';
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import { SchedulerRegistry } from '@nestjs/schedule';
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import { DataSource, In } from 'typeorm';
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import { Booking } from '../bookings/entities/booking.entity';
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import { BookingsRepository } from '../bookings/bookings.repository';
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import { Locomotive } from '../locomotives/entities/locomotive.entity';
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import { formatRouteLabel } from '../routes/entities/route.entity';
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import { TrainSchedule } from '../train-schedules/entities/train-schedule.entity';
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import { TrainScheduleBooking } from '../train-schedules/entities/train-schedule-booking.entity';
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import { TrainSchedulesRepository } from '../train-schedules/train-schedules.repository';
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import { TrainScheduleBookingsRepository } from '../train-schedules/train-schedule-bookings.repository';
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import { TrainSchedulingGlobalRules } from './entities/train-scheduling-global-rules.entity';
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import { BookingNotifierService } from './booking-notifier.service';
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import { TrainSchedulingService } from './train-scheduling.service';
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import { eatDay, groupBookingsIntoBoardWindows } from './batch-window.util';
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import { Freight, TrainScheduleStatus as TrainScheduleStatusEnum } from "@edr/types";
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import { BillingService } from "../billing/billing.service";
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import {
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DEFAULT_BULK_WAGON_LENGTH_METERS,
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DEFAULT_CONTAINER_WAGON_LENGTH_METERS,
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DEFAULT_WAGONS_PER_BOOKING,
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} from "./booking-batch.constants";
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import {
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bookingTrainLengthMeters,
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deriveTrainCapacityFromLocomotive,
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wagonTypeDimensionsFromEntity,
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} from './train-capacity.util';
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import { WagonType } from '../wagon-types/entities/wagon-type.entity';
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import { ClearanceMilestoneService } from '../contracts/clearance-milestone.service';
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import { BookingSplitService } from './booking-split.service';
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import { MAX_TEU_SLOTS_PER_WAGON } from './wagon-plan.util';
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/** A train's remaining capacity along the three physical limits the batch enforces. */
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interface Capacity {
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wagons: number;
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weightTons: number;
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lengthMeters: number;
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}
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/** A day-level pool key: all trains on this route departing on this EAT day. */
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interface RouteDayGroup {
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originYardId: string;
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destinationYardId: string;
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/** EAT calendar day, `yyyy-MM-dd`. */
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day: string;
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}
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type WagonLengths = { container: number; bulk: number };
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export type BatchBoardBookingState =
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| "ALLOCATED"
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| "SELECTED_FOR_BATCH"
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| "READY"
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| "WAITING"
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| "PENDING_CONTRACT"
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| "EXPIRED";
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export interface BatchBoardBooking {
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id: string;
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reference: string;
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company: string;
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isGovernment: boolean;
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wagons: number;
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weightTons: number;
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lengthMeters: number;
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paymentDeadline: string | null;
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state: BatchBoardBookingState;
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}
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export type BookingAllocationStatus =
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| "NOT_ATTEMPTED"
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| "ASSIGNED"
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| "DEFERRED"
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| "FAILED";
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export interface BatchBoardBookingDetail extends BatchBoardBooking {
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fullyExecutedAt: string | null;
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selectedForBatchAt: string | null;
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allocationStatus: BookingAllocationStatus;
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allocationIssue: string | null;
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/** Set when this booking shares a wagon with a consolidation partner. */
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consolidationPartnerId: string | null;
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consolidationPartnerRef: string | null;
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}
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export interface BatchWindowGroup {
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key: string;
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label: string;
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/** EAT calendar day as ISO `YYYY-MM-DD` (empty for the pending-contract bucket). */
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date: string;
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/** Human label for the day, e.g. `Thu, 05 Jun` (empty for pending-contract). */
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dateLabel: string;
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start: string;
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end: string;
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counts: {
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allocated: number;
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selectedForBatch: number;
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ready: number;
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waiting: number;
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expired: number;
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pendingContract: number;
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};
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bookings: BatchBoardBookingDetail[];
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}
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export interface BatchBoardScheduleDetail {
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scheduleId: string;
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trainNumber: string | null;
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routeName: string | null;
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origin: string | null;
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destination: string | null;
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scheduleDate: string | null;
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status: string;
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bookingWindowStatus: string;
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direction: string | null;
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windowPhase: string | null;
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windowOpensAt: string | null;
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windowClosesAt: string | null;
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docReviewEndsAt: string | null;
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paymentPhaseEndsAt: string | null;
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bookingCycleNo: number;
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locomotive: BatchBoardSchedule["locomotive"];
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capacity: BatchBoardSchedule["capacity"];
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counts: BatchBoardSchedule["counts"];
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windows: BatchWindowGroup[];
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pendingContract: BatchWindowGroup;
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allocationViolations: string[];
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}
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export interface BatchBoardSchedule {
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scheduleId: string;
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trainNumber: string | null;
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routeName: string | null;
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origin: string | null;
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destination: string | null;
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scheduleDate: string | null;
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status: string;
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bookingWindowStatus: string;
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direction: string | null;
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windowPhase: string | null;
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windowOpensAt: string | null;
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windowClosesAt: string | null;
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docReviewEndsAt: string | null;
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paymentPhaseEndsAt: string | null;
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bookingCycleNo: number;
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locomotive: {
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code: string;
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name: string | null;
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maxPullWeightTons: number;
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maxTrainLengthMeters: number;
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} | null;
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capacity: {
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/** Wagons on bookings already linked to the train (ALLOCATED only). */
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allocatedWagons: number;
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/** Train length used by allocated bookings (from wagon-type dimensions). */
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allocatedLengthMeters: number;
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maxLengthMeters: number | null;
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/** Weight committed on the train (allocated + selected-for-batch). */
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usedWeightTons: number;
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maxWeightTons: number | null;
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};
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counts: {
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allocated: number;
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selectedForBatch: number;
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ready: number;
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waiting: number;
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pendingContract: number;
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expired: number;
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};
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bookings: BatchBoardBooking[];
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}
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/**
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* Demand-batching engine: every 3h (EAT) it ranks each OPEN schedule's ready pool
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* by priority, greedily fills the train to capacity (skipping bookings that don't fit),
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* reserves a 1h pay window for commercial customers (government allocated unpaid,
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* preempting lower-priority commercial if needed), then settles each batch 1h later —
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* allocating those who paid and expiring those who didn't, topping up from the waiting list.
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* Capacity is bounded on three axes at once: wagon count (`schedule.maxWagons`), the
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* locomotive's max pull weight, and its max train length (also capped by global rules).
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*/
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@Injectable()
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export class BookingBatchService implements OnModuleInit {
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private readonly logger = new Logger(BookingBatchService.name);
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constructor(
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@InjectDataSource() private readonly dataSource: DataSource,
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private readonly bookingsRepository: BookingsRepository,
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private readonly trainSchedulesRepository: TrainSchedulesRepository,
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private readonly trainScheduleBookingsRepository: TrainScheduleBookingsRepository,
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private readonly notifier: BookingNotifierService,
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private readonly scheduler: SchedulerRegistry,
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private readonly trainSchedulingService: TrainSchedulingService,
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private readonly billing: BillingService,
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@Optional() private readonly milestoneService?: ClearanceMilestoneService,
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@Optional() private readonly splitService?: BookingSplitService,
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) {}
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/** On boot, reconcile OPEN route-days and re-arm settle timers. */
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async onModuleInit(): Promise<void> {
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const groups = await this.openRouteDayGroups();
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for (const group of groups) {
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try {
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await this.processRouteDay(group);
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} catch (err) {
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this.logger.warn(
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`Boot reconcile failed for ${this.groupLabel(group)}: ${(err as Error).message}`,
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);
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}
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}
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const reserved = await this.dataSource
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.getRepository(Booking)
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.createQueryBuilder("b")
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.select("DISTINCT b.train_schedule_id", "scheduleId")
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.where(`b.status IN ('SELECTED_FOR_BATCH', 'AWAITING_PAYMENT')`)
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.andWhere("b.train_schedule_id IS NOT NULL")
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.getRawMany<{ scheduleId: string }>();
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for (const { scheduleId } of reserved) this.armSettle(scheduleId);
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}
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/**
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* Fire-and-forget batch pipeline for the (route, day) a schedule belongs to
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* (contract sign, payment). Day-level pooling distributes across all of that
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* day's trains, so a single schedule id maps to its whole route-day group.
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*/
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enqueueScheduleProcessing(scheduleId: string): void {
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void this.processRouteDayForSchedule(scheduleId).catch((err) =>
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this.logger.error(
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`processRouteDay for schedule ${scheduleId} failed: ${(err as Error).message}`,
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),
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);
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}
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/**
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* Fire-and-forget batch pipeline for a (route, day) directly — used when a
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* booking enters the pool without a target train yet (e.g. after the
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* operations team accepts an operation request). The booking is already
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* FULLY_EXECUTED with its scheduled_date set, so the day-level fill will pick
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* it up; this just runs that fill immediately instead of waiting for the cron.
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*/
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enqueueRouteDayProcessing(
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originYardId: string,
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destinationYardId: string,
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day: string,
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): void {
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void this.processRouteDay({ originYardId, destinationYardId, day }).catch(
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(err) =>
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this.logger.error(
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`processRouteDay for ${originYardId}→${destinationYardId} on ${day} failed: ${(err as Error).message}`,
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),
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);
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}
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/** Resolve a schedule's (route, day) group and run the day-level pipeline. */
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private async processRouteDayForSchedule(scheduleId: string): Promise<void> {
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const schedule = await this.trainSchedulesRepository.findById(scheduleId);
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if (!schedule?.scheduledDepartureDate) return;
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await this.processRouteDay({
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originYardId: schedule.originStationId,
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destinationYardId: schedule.destinationStationId,
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day: eatDay(schedule.scheduledDepartureDate),
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});
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}
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/**
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* Day-level pipeline: distribute the (route, day) pool across all its trains,
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* then settle / reconcile / assign wagons per schedule (those steps stay
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* schedule-scoped — only the fill is day-level).
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*/
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async processRouteDay(group: RouteDayGroup): Promise<void> {
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const scheduleIds = await this.fillRouteDay(
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group.originYardId,
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group.destinationYardId,
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group.day,
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);
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for (const scheduleId of scheduleIds) {
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await this.settleDueReservations(scheduleId);
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await this.reconcilePaidUnlinked(scheduleId);
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await this.trainSchedulingService.tryAutoWagonAllocation(scheduleId);
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}
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}
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/** Fill pool, settle due reservations, link orphaned PAID, then assign wagons. */
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async processSchedule(scheduleId: string): Promise<void> {
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await this.fillSchedule(scheduleId);
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await this.settleDueReservations(scheduleId);
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await this.reconcilePaidUnlinked(scheduleId);
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await this.trainSchedulingService.tryAutoWagonAllocation(scheduleId);
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}
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/**
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* Distinct (origin, destination, EAT day) groups across LEGACY OPEN schedules —
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* schedules with a `windowPhase` are driven exclusively by the window engine
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* (BookingWindowService), never by the periodic legacy fill.
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*/
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private async openRouteDayGroups(): Promise<RouteDayGroup[]> {
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const open = (
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await this.trainSchedulesRepository.findAll({
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where: [
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{ bookingWindowStatus: "OPEN", status: TrainScheduleStatusEnum.Draft },
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{ bookingWindowStatus: "OPEN", status: TrainScheduleStatusEnum.Scheduled },
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],
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})
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).filter((s) => s.windowPhase == null);
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const groups = new Map<string, RouteDayGroup>();
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for (const s of open) {
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if (!s.scheduledDepartureDate) continue;
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const day = eatDay(s.scheduledDepartureDate);
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const key = `${s.originStationId}|${s.destinationStationId}|${day}`;
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if (!groups.has(key)) {
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groups.set(key, {
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originYardId: s.originStationId,
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destinationYardId: s.destinationStationId,
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day,
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});
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}
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}
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return [...groups.values()];
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}
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private groupLabel(group: RouteDayGroup): string {
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return `${group.originYardId}→${group.destinationYardId} on ${group.day}`;
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}
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/**
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* Idempotent: link a paid batch booking to its schedule and assign wagons.
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* Handles SELECTED_FOR_BATCH, PAID-without-link, and PAID-already-linked cases.
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*/
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async ensurePaidBookingAllocated(bookingId: string): Promise<void> {
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const booking = await this.dataSource.getRepository(Booking).findOne({
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where: { id: bookingId },
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relations: { company: true },
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});
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if (!booking?.trainScheduleId) return;
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const isBatchPaid =
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booking.status === "SELECTED_FOR_BATCH" ||
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booking.status === "AWAITING_PAYMENT" ||
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booking.status === "PAID" ||
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booking.paymentStatus === "PAID";
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if (!isBatchPaid) return;
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if (
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booking.status === "SELECTED_FOR_BATCH" ||
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booking.status === "AWAITING_PAYMENT"
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) {
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await this.dataSource
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.getRepository(Booking)
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.update(bookingId, { paymentStatus: "PAID", status: "PAID" });
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} else if (booking.paymentStatus !== "PAID") {
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await this.dataSource
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.getRepository(Booking)
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.update(bookingId, { paymentStatus: "PAID" });
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}
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// Paying inside the window accepts an open partial offer — reduce the booking
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// to the offered part before it boards (remainder returns to the contract cap).
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if (this.splitService) {
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await this.splitService.applySplit(bookingId);
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}
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const linked =
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await this.trainScheduleBookingsRepository.existsForBooking(bookingId);
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if (!linked) {
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await this.allocate(booking.trainScheduleId, booking, "paid");
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this.logger.log(
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`Linked PAID booking ${booking.reference ?? bookingId} to schedule ${booking.trainScheduleId}`,
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);
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}
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const schedule = await this.trainSchedulesRepository.findByIdWithFullGraph(
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booking.trainScheduleId,
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);
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if (schedule && (await this.remainingWagons(schedule)) <= 0) {
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await this.setWindow(booking.trainScheduleId, "FULL");
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}
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const result = await this.trainSchedulingService.tryAutoWagonAllocation(
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booking.trainScheduleId,
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);
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if (result.assignedBookingIds.length) {
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this.logger.log(
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`Wagon allocation for ${booking.reference ?? bookingId}: ${result.assignedBookingIds.length} assigned`,
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);
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}
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if (
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result.issues.some(
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(i) => i.bookingId === bookingId && i.status !== "ASSIGNED",
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)
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) {
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const issue = result.issues.find((i) => i.bookingId === bookingId);
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this.logger.warn(
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`Wagon allocation issue for ${booking.reference ?? bookingId}: ${issue?.issue ?? issue?.status}`,
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);
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}
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}
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/** Customer paid — delegate to ensurePaidBookingAllocated. */
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async confirmPaidAndAllocate(bookingId: string): Promise<void> {
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await this.ensurePaidBookingAllocated(bookingId);
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}
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/** Open partial-capacity offer summary for booking detail payloads (null when none). */
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async getOpenOfferSummary(bookingId: string): Promise<{
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offeredWagons: number;
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totalWagons: number;
|
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offeredAmount: number;
|
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paymentDeadline: Date;
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} | null> {
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if (!this.splitService) return null;
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const offer = await this.splitService.findOpenOffer(bookingId);
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if (!offer) return null;
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return {
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offeredWagons: offer.offeredWagons,
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totalWagons: offer.totalWagons,
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offeredAmount: Number(offer.offeredAmount),
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paymentDeadline: offer.paymentDeadline,
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};
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}
|
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|
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// ---- export FCFS -----------------------------------------------------------
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|
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/**
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* Export is first-come-first-serve: no window cycle, no priority, no batch.
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* Pick the earliest open export train on the booking's corridor/day that still
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* fits the booking. Throws ConflictException when every train is full — the
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* staff accept fails and no more export bookings are taken.
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*/
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async pickExportSchedule(booking: Booking, need?: Capacity): Promise<string> {
|
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if (!booking.scheduledDate) {
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throw new BadRequestException('Booking has no scheduled date');
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}
|
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const day = eatDay(new Date(booking.scheduledDate));
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|
const corridor = await this.trainSchedulesRepository.findAll({
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where: [
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{
|
|
originStationId: booking.originYardId,
|
|
destinationStationId: booking.destinationYardId,
|
|
status: TrainScheduleStatusEnum.Draft,
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},
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{
|
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originStationId: booking.originYardId,
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destinationStationId: booking.destinationYardId,
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status: TrainScheduleStatusEnum.Scheduled,
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},
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],
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});
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const candidates = corridor
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.filter(
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(s) =>
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s.scheduledDepartureDate != null &&
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eatDay(s.scheduledDepartureDate) === day &&
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this.isFillable(s),
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)
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.sort(
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(a, b) =>
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a.scheduledDepartureDate.getTime() - b.scheduledDepartureDate.getTime(),
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);
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if (!candidates.length) {
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throw new ConflictException(
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'No export train is accepting bookings for this day',
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);
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}
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const rules = await this.loadGlobalRules();
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const wagonLengths = await this.loadWagonLengths();
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const required = need ?? this.needFor(booking, wagonLengths);
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for (const candidate of candidates) {
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const schedule = await this.trainSchedulesRepository.findByIdWithFullGraph(
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candidate.id,
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);
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const locomotive = schedule?.trainSet?.locomotive;
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if (!schedule || !locomotive) continue;
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const limits = await this.capacityLimits(locomotive, rules);
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const budget = await this.remainingCapacity(schedule, limits, wagonLengths);
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if (this.fits(required, budget)) return schedule.id;
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}
|
|
throw new ConflictException('Train is full — no export capacity left for this day');
|
|
}
|
|
|
|
/**
|
|
* Accept an export booking into the FCFS flow. Solo bookings reserve immediately.
|
|
* A consolidated booking reserves as a pair only once BOTH partners are ready
|
|
* (FULLY_EXECUTED): the second partner's accept triggers the pair reservation
|
|
* against the combined shared-wagon need; the first partner's accept just waits.
|
|
* Throws ConflictException (before this booking is persisted-ready) when there is
|
|
* no export capacity for the day, so staff accept fails.
|
|
*/
|
|
async acceptExportBooking(booking: Booking): Promise<void> {
|
|
const partnerId = booking.consolidationPartnerId ?? null;
|
|
if (!partnerId) {
|
|
const scheduleId = await this.pickExportSchedule(booking);
|
|
await this.reserveOnExport([booking], scheduleId);
|
|
return;
|
|
}
|
|
|
|
const partner = await this.dataSource
|
|
.getRepository(Booking)
|
|
.findOne({ where: { id: partnerId }, relations: { company: true, bookingContainers: true } });
|
|
// Partner not yet accepted → this booking is now FULLY_EXECUTED and simply
|
|
// waits; the partner's later accept will reserve the pair.
|
|
if (!partner || partner.status !== 'FULLY_EXECUTED') {
|
|
return;
|
|
}
|
|
const wagonLengths = await this.loadWagonLengths();
|
|
const need = this.combinedNeed(booking, partner, wagonLengths);
|
|
const scheduleId = await this.pickExportSchedule(booking, need);
|
|
await this.reserveOnExport([booking, partner], scheduleId);
|
|
}
|
|
|
|
/** Reserve one or two (consolidated) export bookings on a train and open pay windows. */
|
|
private async reserveOnExport(
|
|
bookings: Booking[],
|
|
scheduleId: string,
|
|
): Promise<void> {
|
|
for (const b of bookings) await this.reserve(b, scheduleId);
|
|
this.armSettle(scheduleId);
|
|
const schedule =
|
|
await this.trainSchedulesRepository.findByIdWithFullGraph(scheduleId);
|
|
if (schedule && (await this.remainingWagons(schedule)) <= 0) {
|
|
await this.setWindow(scheduleId, 'FULL');
|
|
}
|
|
}
|
|
|
|
/** Link PAID bookings that have no train_schedule_bookings row (cron backstop). */
|
|
async reconcilePaidUnlinked(scheduleId: string): Promise<void> {
|
|
const unlinked =
|
|
await this.bookingsRepository.findPaidUnlinkedForSchedule(scheduleId);
|
|
for (const booking of unlinked) {
|
|
await this.allocate(scheduleId, booking, "paid");
|
|
this.logger.log(
|
|
`Reconciled PAID booking ${booking.reference ?? booking.id} → schedule ${scheduleId}`,
|
|
);
|
|
}
|
|
}
|
|
|
|
// ---- legacy fill entry point ----------------------------------------------
|
|
|
|
/**
|
|
* Legacy periodic fill for schedules without a window phase (DOMESTIC and
|
|
* pre-migration trains). Invoked by BookingWindowService's tick — the old
|
|
* standalone cron was replaced by the window engine.
|
|
*/
|
|
async runBatchFill(): Promise<void> {
|
|
const groups = await this.openRouteDayGroups();
|
|
this.logger.log(`Batch fill: ${groups.length} OPEN route-day group(s).`);
|
|
for (const group of groups) {
|
|
try {
|
|
await this.processRouteDay(group);
|
|
} catch (err) {
|
|
this.logger.error(
|
|
`Batch fill failed for ${this.groupLabel(group)}: ${(err as Error).message}`,
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
// ---- monitoring board -----------------------------------------------------
|
|
|
|
/**
|
|
* Read model for the batch monitoring page: every still-relevant schedule (not arrived/
|
|
* cancelled) with its locomotive, capacity usage and its bookings grouped by lifecycle
|
|
* state (allocated / awaiting payment / paid-waiting / pending contract / expired).
|
|
*/
|
|
async getBatchBoard(): Promise<BatchBoardSchedule[]> {
|
|
const schedules = await this.trainSchedulesRepository.findAll({
|
|
relations: {
|
|
trainSet: { locomotive: true },
|
|
originStation: true,
|
|
destinationStation: true,
|
|
route: true,
|
|
},
|
|
order: { scheduledDepartureDate: "ASC" },
|
|
});
|
|
|
|
const wagonLengths = await this.loadWagonLengths();
|
|
const linkRepo = this.dataSource.getRepository(TrainScheduleBooking);
|
|
|
|
const board: BatchBoardSchedule[] = [];
|
|
for (const s of schedules) {
|
|
if (s.status === "ARRIVED" || s.status === "CANCELLED") continue;
|
|
// Batch board is IMPORT-only: export is FCFS with no batch/priority calc,
|
|
// and domestic/legacy schedules run the legacy fill, not the window batch.
|
|
if (s.direction !== "IMPORT") continue;
|
|
|
|
const links = await linkRepo.find({ where: { trainScheduleId: s.id } });
|
|
const linkedIds = new Set(links.map((l) => l.bookingId));
|
|
const bookings = await this.bookingsRepository.findAllBySchedule(s.id);
|
|
|
|
const items: BatchBoardBooking[] = bookings.map((b) => {
|
|
const need = this.needFor(b, wagonLengths);
|
|
return {
|
|
id: b.id,
|
|
reference: b.reference ?? b.id.slice(0, 8),
|
|
company: b.isGovernment
|
|
? (b.governmentInstitution ?? "Government")
|
|
: (b.company?.name ?? "—"),
|
|
isGovernment: Boolean(b.isGovernment),
|
|
wagons: need.wagons,
|
|
weightTons: need.weightTons,
|
|
lengthMeters: need.lengthMeters,
|
|
paymentDeadline: b.paymentDeadline
|
|
? b.paymentDeadline.toISOString()
|
|
: null,
|
|
state: this.boardState(b, linkedIds.has(b.id)),
|
|
};
|
|
});
|
|
|
|
board.push(this.buildScheduleSummary(s, items));
|
|
}
|
|
return board;
|
|
}
|
|
|
|
/** Schedule-level batch board with EAT 3h windows grouped by fullyExecutedAt. */
|
|
async getBatchBoardDetail(
|
|
scheduleId: string,
|
|
): Promise<BatchBoardScheduleDetail> {
|
|
const s =
|
|
await this.trainSchedulesRepository.findByIdWithFullGraph(scheduleId);
|
|
if (!s)
|
|
throw new NotFoundException(`Train schedule ${scheduleId} not found`);
|
|
if (s.status === "ARRIVED" || s.status === "CANCELLED") {
|
|
throw new BadRequestException("Schedule is no longer active");
|
|
}
|
|
// Batch board is IMPORT-only (export is FCFS, no batch/priority calc).
|
|
if (s.direction !== "IMPORT") {
|
|
throw new BadRequestException(
|
|
"The batch board only covers import schedules",
|
|
);
|
|
}
|
|
|
|
const wagonLengths = await this.loadWagonLengths();
|
|
const linkRepo = this.dataSource.getRepository(TrainScheduleBooking);
|
|
const links = await linkRepo.find({ where: { trainScheduleId: s.id } });
|
|
const linkedIds = new Set(links.map((l) => l.bookingId));
|
|
const bookings = await this.bookingsRepository.findAllBySchedule(s.id);
|
|
|
|
let allocationPreview: Awaited<
|
|
ReturnType<TrainSchedulingService["previewAllocationForSchedule"]>
|
|
>;
|
|
try {
|
|
allocationPreview =
|
|
await this.trainSchedulingService.previewAllocationForSchedule(s.id);
|
|
} catch {
|
|
allocationPreview = {
|
|
assignedBookingIds: [],
|
|
deferred: [],
|
|
issues: [],
|
|
violations: [],
|
|
};
|
|
}
|
|
const allocationByBooking = new Map(
|
|
allocationPreview.issues.map((i) => [i.bookingId, i]),
|
|
);
|
|
|
|
// Resolve consolidation-partner references for the shared-wagon badge. Most
|
|
// partners are on this same schedule; look up any that aren't in one query.
|
|
const refById = new Map(
|
|
bookings.map((b) => [b.id, b.reference ?? b.id.slice(0, 8)]),
|
|
);
|
|
const missingPartnerIds = [
|
|
...new Set(
|
|
bookings
|
|
.map((b) => b.consolidationPartnerId)
|
|
.filter((id): id is string => Boolean(id) && !refById.has(id!)),
|
|
),
|
|
];
|
|
if (missingPartnerIds.length) {
|
|
const partners = await this.dataSource
|
|
.getRepository(Booking)
|
|
.find({ where: { id: In(missingPartnerIds) } });
|
|
for (const p of partners) {
|
|
refById.set(p.id, p.reference ?? p.id.slice(0, 8));
|
|
}
|
|
}
|
|
|
|
const items: BatchBoardBookingDetail[] = bookings.map((b) => {
|
|
const need = this.needFor(b, wagonLengths);
|
|
const alloc = allocationByBooking.get(b.id);
|
|
return {
|
|
id: b.id,
|
|
reference: b.reference ?? b.id.slice(0, 8),
|
|
company: b.isGovernment
|
|
? (b.governmentInstitution ?? "Government")
|
|
: (b.company?.name ?? "—"),
|
|
isGovernment: Boolean(b.isGovernment),
|
|
wagons: need.wagons,
|
|
weightTons: need.weightTons,
|
|
lengthMeters: need.lengthMeters,
|
|
paymentDeadline: b.paymentDeadline
|
|
? b.paymentDeadline.toISOString()
|
|
: null,
|
|
state: this.boardState(b, linkedIds.has(b.id)),
|
|
fullyExecutedAt: b.fullyExecutedAt
|
|
? b.fullyExecutedAt.toISOString()
|
|
: null,
|
|
selectedForBatchAt: b.selectedForBatchAt
|
|
? b.selectedForBatchAt.toISOString()
|
|
: null,
|
|
allocationStatus: alloc?.status ?? "NOT_ATTEMPTED",
|
|
allocationIssue: alloc?.issue ?? null,
|
|
consolidationPartnerId: b.consolidationPartnerId ?? null,
|
|
consolidationPartnerRef: b.consolidationPartnerId
|
|
? (refById.get(b.consolidationPartnerId) ?? null)
|
|
: null,
|
|
};
|
|
});
|
|
|
|
const loco = s.trainSet?.locomotive ?? null;
|
|
|
|
// Display windows are the REAL booking-window cycles this schedule was FROZEN
|
|
// with at creation (import: opens at its stored window time, lasts its rule's
|
|
// duration, reopens per its rule's delay; export: single FCFS lead window) —
|
|
// NOT the live global config. A later global-rules edit only re-derives
|
|
// not-yet-open schedules (restampPendingWindows), so an already-open schedule
|
|
// must keep drawing from its own snapshot, anchored on its stored open time.
|
|
// Legacy rows with no snapshot fall back to the live config.
|
|
const liveCfg = await this.trainSchedulingService.getWindowConfig();
|
|
const num = (v: unknown, fallback: number) => {
|
|
const n = v == null ? NaN : Number(v);
|
|
return Number.isFinite(n) ? n : fallback;
|
|
};
|
|
const windowCfg = {
|
|
windowOpenHour: num(s.ruleWindowOpenHour, liveCfg.windowOpenHour),
|
|
windowDurationHours: num(
|
|
s.ruleWindowDurationHours,
|
|
liveCfg.windowDurationHours,
|
|
),
|
|
reopenDelayMinutes: num(s.ruleReopenDelayMinutes, liveCfg.reopenDelayMinutes),
|
|
importWindowLeadDays: num(
|
|
s.ruleImportWindowLeadDays,
|
|
liveCfg.importWindowLeadDays,
|
|
),
|
|
exportBookingLeadHours: num(
|
|
s.ruleExportBookingLeadHours,
|
|
liveCfg.exportBookingLeadHours,
|
|
),
|
|
};
|
|
const departureDate = s.scheduledDepartureDate ?? new Date();
|
|
const windowBuckets = groupBookingsIntoBoardWindows(
|
|
items,
|
|
(item) => (item.fullyExecutedAt ? new Date(item.fullyExecutedAt) : null),
|
|
s.direction ?? null,
|
|
departureDate,
|
|
windowCfg,
|
|
undefined,
|
|
s.windowOpensAt ?? null,
|
|
);
|
|
|
|
const emptyCounts = () => ({
|
|
allocated: 0,
|
|
selectedForBatch: 0,
|
|
ready: 0,
|
|
waiting: 0,
|
|
expired: 0,
|
|
pendingContract: 0,
|
|
});
|
|
|
|
const countFor = (bookingsInWindow: BatchBoardBookingDetail[]) => {
|
|
const counts = emptyCounts();
|
|
for (const b of bookingsInWindow) {
|
|
if (b.state === "ALLOCATED") counts.allocated += 1;
|
|
else if (b.state === "SELECTED_FOR_BATCH") counts.selectedForBatch += 1;
|
|
else if (b.state === "READY") counts.ready += 1;
|
|
else if (b.state === "WAITING") counts.waiting += 1;
|
|
else if (b.state === "EXPIRED") counts.expired += 1;
|
|
else counts.pendingContract += 1;
|
|
}
|
|
return counts;
|
|
};
|
|
|
|
const windows: BatchWindowGroup[] = [];
|
|
for (const [key, bucket] of windowBuckets) {
|
|
if (key === "pending-contract" || !bucket.window) continue;
|
|
const w = bucket.window;
|
|
windows.push({
|
|
key: w.key,
|
|
label: w.label,
|
|
date: w.date,
|
|
dateLabel: w.dateLabel,
|
|
start: w.start.toISOString(),
|
|
end: w.end.toISOString(),
|
|
counts: countFor(bucket.items),
|
|
bookings: bucket.items,
|
|
});
|
|
}
|
|
windows.sort(
|
|
(a, b) => new Date(a.start).getTime() - new Date(b.start).getTime(),
|
|
);
|
|
|
|
const pendingBookings = windowBuckets.get("pending-contract")?.items ?? [];
|
|
|
|
return {
|
|
scheduleId: s.id,
|
|
trainNumber: s.trainNumber ?? null,
|
|
routeName: s.route ? formatRouteLabel(s.route) : null,
|
|
origin: s.originStation?.label ?? s.originStation?.code ?? null,
|
|
destination:
|
|
s.destinationStation?.label ?? s.destinationStation?.code ?? null,
|
|
scheduleDate: s.scheduledDepartureDate
|
|
? s.scheduledDepartureDate.toISOString()
|
|
: null,
|
|
status: s.status,
|
|
bookingWindowStatus: s.bookingWindowStatus,
|
|
direction: s.direction ?? null,
|
|
windowPhase: s.windowPhase ?? null,
|
|
windowOpensAt: s.windowOpensAt ? s.windowOpensAt.toISOString() : null,
|
|
windowClosesAt: s.windowClosesAt ? s.windowClosesAt.toISOString() : null,
|
|
docReviewEndsAt: s.docReviewEndsAt ? s.docReviewEndsAt.toISOString() : null,
|
|
paymentPhaseEndsAt: s.paymentPhaseEndsAt
|
|
? s.paymentPhaseEndsAt.toISOString()
|
|
: null,
|
|
bookingCycleNo: s.bookingCycleNo ?? 0,
|
|
locomotive: loco
|
|
? {
|
|
code: loco.code,
|
|
name: loco.name ?? null,
|
|
maxPullWeightTons: Number(loco.maxPullWeightTons),
|
|
maxTrainLengthMeters: Number(loco.maxTrainLengthMeters),
|
|
}
|
|
: null,
|
|
capacity: this.computeBoardCapacity(items, loco),
|
|
counts: {
|
|
allocated: items.filter((i) => i.state === "ALLOCATED").length,
|
|
selectedForBatch: items.filter((i) => i.state === "SELECTED_FOR_BATCH")
|
|
.length,
|
|
ready: items.filter((i) => i.state === "READY").length,
|
|
waiting: items.filter((i) => i.state === "WAITING").length,
|
|
pendingContract: items.filter((i) => i.state === "PENDING_CONTRACT")
|
|
.length,
|
|
expired: items.filter((i) => i.state === "EXPIRED").length,
|
|
},
|
|
windows,
|
|
pendingContract: {
|
|
key: "pending-contract",
|
|
label: "Pending contract",
|
|
date: "",
|
|
dateLabel: "",
|
|
start: "",
|
|
end: "",
|
|
counts: countFor(pendingBookings),
|
|
bookings: pendingBookings,
|
|
},
|
|
allocationViolations: allocationPreview.violations,
|
|
};
|
|
}
|
|
|
|
/** Run wagon-level allocation for all eligible linked bookings on a schedule. */
|
|
async runWagonAllocation(scheduleId: string) {
|
|
return this.trainSchedulingService.tryAutoWagonAllocation(scheduleId);
|
|
}
|
|
|
|
private computeBoardCapacity(
|
|
items: Array<{
|
|
state: BatchBoardBookingState;
|
|
wagons: number;
|
|
weightTons: number;
|
|
lengthMeters: number;
|
|
}>,
|
|
loco: Locomotive | null,
|
|
): BatchBoardSchedule["capacity"] {
|
|
const allocated = items.filter((i) => i.state === "ALLOCATED");
|
|
const committed = items.filter(
|
|
(i) => i.state === "ALLOCATED" || i.state === "SELECTED_FOR_BATCH",
|
|
);
|
|
return {
|
|
allocatedWagons: allocated.reduce((sum, i) => sum + i.wagons, 0),
|
|
allocatedLengthMeters:
|
|
Math.round(
|
|
allocated.reduce((sum, i) => sum + i.lengthMeters, 0) * 100,
|
|
) / 100,
|
|
maxLengthMeters: loco ? Number(loco.maxTrainLengthMeters) : null,
|
|
usedWeightTons:
|
|
Math.round(committed.reduce((sum, i) => sum + i.weightTons, 0) * 100) /
|
|
100,
|
|
maxWeightTons: loco ? Number(loco.maxPullWeightTons) : null,
|
|
};
|
|
}
|
|
|
|
private buildScheduleSummary(
|
|
s: TrainSchedule,
|
|
items: BatchBoardBooking[],
|
|
): BatchBoardSchedule {
|
|
const loco = s.trainSet?.locomotive ?? null;
|
|
|
|
return {
|
|
scheduleId: s.id,
|
|
trainNumber: s.trainNumber ?? null,
|
|
routeName: s.route ? formatRouteLabel(s.route) : null,
|
|
origin: s.originStation?.label ?? s.originStation?.code ?? null,
|
|
destination:
|
|
s.destinationStation?.label ?? s.destinationStation?.code ?? null,
|
|
scheduleDate: s.scheduledDepartureDate
|
|
? s.scheduledDepartureDate.toISOString()
|
|
: null,
|
|
status: s.status,
|
|
bookingWindowStatus: s.bookingWindowStatus,
|
|
direction: s.direction ?? null,
|
|
windowPhase: s.windowPhase ?? null,
|
|
windowOpensAt: s.windowOpensAt ? s.windowOpensAt.toISOString() : null,
|
|
windowClosesAt: s.windowClosesAt ? s.windowClosesAt.toISOString() : null,
|
|
docReviewEndsAt: s.docReviewEndsAt ? s.docReviewEndsAt.toISOString() : null,
|
|
paymentPhaseEndsAt: s.paymentPhaseEndsAt
|
|
? s.paymentPhaseEndsAt.toISOString()
|
|
: null,
|
|
bookingCycleNo: s.bookingCycleNo ?? 0,
|
|
locomotive: loco
|
|
? {
|
|
code: loco.code,
|
|
name: loco.name ?? null,
|
|
maxPullWeightTons: Number(loco.maxPullWeightTons),
|
|
maxTrainLengthMeters: Number(loco.maxTrainLengthMeters),
|
|
}
|
|
: null,
|
|
capacity: this.computeBoardCapacity(items, loco),
|
|
counts: {
|
|
allocated: items.filter((i) => i.state === "ALLOCATED").length,
|
|
selectedForBatch: items.filter((i) => i.state === "SELECTED_FOR_BATCH")
|
|
.length,
|
|
ready: items.filter((i) => i.state === "READY").length,
|
|
waiting: items.filter((i) => i.state === "WAITING").length,
|
|
pendingContract: items.filter((i) => i.state === "PENDING_CONTRACT")
|
|
.length,
|
|
expired: items.filter((i) => i.state === "EXPIRED").length,
|
|
},
|
|
bookings: items.slice(0, 3),
|
|
};
|
|
}
|
|
|
|
private boardState(
|
|
booking: Booking,
|
|
linked: boolean,
|
|
): BatchBoardBookingState {
|
|
if (linked) return "ALLOCATED";
|
|
if (
|
|
booking.status === "SELECTED_FOR_BATCH" ||
|
|
booking.status === "AWAITING_PAYMENT"
|
|
) {
|
|
return "SELECTED_FOR_BATCH";
|
|
}
|
|
if (booking.status === "EXPIRED") return "EXPIRED";
|
|
if (booking.status === "FULLY_EXECUTED" && booking.fullyExecutedAt)
|
|
return "READY";
|
|
if (booking.status === "PAID") return "WAITING";
|
|
return "PENDING_CONTRACT";
|
|
}
|
|
|
|
// ---- core fill ------------------------------------------------------------
|
|
|
|
/**
|
|
* Whether the batch engine may reserve/allocate onto this schedule right now.
|
|
* Legacy (no window phase): the customer-facing OPEN gate doubles as the fill gate.
|
|
* Import window cycle: the engine fills while the customer window is CLOSED —
|
|
* during DOC_REVIEW (early staff trigger) and PAYMENT (batch run + top-ups).
|
|
* Export: FCFS while the booking window is open.
|
|
*/
|
|
isFillable(schedule: TrainSchedule): boolean {
|
|
if (schedule.bookingWindowStatus === "FULL") return false;
|
|
if (!schedule.windowPhase) return schedule.bookingWindowStatus === "OPEN";
|
|
if (schedule.direction === "EXPORT") {
|
|
return schedule.windowPhase === "OPEN" && schedule.bookingWindowStatus === "OPEN";
|
|
}
|
|
return schedule.windowPhase === "DOC_REVIEW" || schedule.windowPhase === "PAYMENT";
|
|
}
|
|
|
|
/** Fill one schedule from its priority-ordered pool until full. */
|
|
async fillSchedule(scheduleId: string): Promise<void> {
|
|
const schedule =
|
|
await this.trainSchedulesRepository.findByIdWithFullGraph(scheduleId);
|
|
if (!schedule || !this.isFillable(schedule)) return;
|
|
const locomotive = schedule.trainSet?.locomotive;
|
|
if (!schedule.trainSetId || !locomotive) {
|
|
this.logger.warn(
|
|
`Schedule ${scheduleId} has no locomotive/train set — skipped.`,
|
|
);
|
|
return;
|
|
}
|
|
|
|
const rules = await this.loadGlobalRules();
|
|
const wagonLengths = await this.loadWagonLengths();
|
|
const limits = await this.capacityLimits(locomotive, rules);
|
|
await this.syncScheduleMaxWagons(schedule, locomotive, rules);
|
|
let budget = await this.remainingCapacity(schedule, limits, wagonLengths);
|
|
if (budget.wagons <= 0) {
|
|
await this.setWindow(scheduleId, "FULL");
|
|
return;
|
|
}
|
|
|
|
const pool = await this.bookingsRepository.findBatchPool(scheduleId);
|
|
const units = this.groupConsolidatedPool(pool);
|
|
let armed = false;
|
|
|
|
for (const unit of units) {
|
|
const { primary: booking, partner } = unit;
|
|
const isPair = partner != null;
|
|
const need = isPair
|
|
? this.combinedNeed(booking, partner, wagonLengths)
|
|
: this.needFor(booking, wagonLengths);
|
|
const isGov = booking.isGovernment || (partner?.isGovernment ?? false);
|
|
|
|
if (!this.fits(need, budget)) {
|
|
if (isGov) {
|
|
budget = await this.preemptForGovernment(
|
|
scheduleId,
|
|
need,
|
|
budget,
|
|
wagonLengths,
|
|
);
|
|
if (!this.fits(need, budget)) continue; // still doesn't fit even after preempt
|
|
} else {
|
|
continue; // skip a unit that exceeds weight/length/wagons, try the next
|
|
}
|
|
}
|
|
|
|
if (isGov) {
|
|
await this.allocate(scheduleId, booking, "gov");
|
|
if (partner) await this.allocate(scheduleId, partner, "gov");
|
|
} else {
|
|
await this.reserve(booking, scheduleId);
|
|
if (partner) await this.reserve(partner, scheduleId);
|
|
armed = true;
|
|
}
|
|
budget = this.subtract(budget, need);
|
|
if (budget.wagons <= 0) break; // no wagon slots left — nothing more can board
|
|
}
|
|
|
|
if (budget.wagons <= 0) await this.setWindow(scheduleId, "FULL");
|
|
if (armed) this.armSettle(scheduleId);
|
|
void this.triggerWagonAllocation(scheduleId);
|
|
}
|
|
|
|
/**
|
|
* Distribute one (route, day) pool across ALL of that day's OPEN trains, by
|
|
* priority, filling each train (earliest departure first) until it's full and
|
|
* spilling overflow to the next. Government bookings that fit no train preempt
|
|
* lower-priority commercial; bookings that fit no train at all stay pending and
|
|
* trigger a staff `unplaced` warning. Returns the schedule ids that were touched
|
|
* (or that had remaining pool work) so the caller can settle them per-schedule.
|
|
*/
|
|
async fillRouteDay(
|
|
originYardId: string,
|
|
destinationYardId: string,
|
|
day: string,
|
|
): Promise<string[]> {
|
|
// The day's fillable schedules on this exact corridor, earliest first. Fillable
|
|
// covers legacy OPEN trains and window-cycle trains in DOC_REVIEW/PAYMENT —
|
|
// the batch must run while the customer window is closed.
|
|
const corridor = await this.trainSchedulesRepository.findAll({
|
|
where: [
|
|
{
|
|
originStationId: originYardId,
|
|
destinationStationId: destinationYardId,
|
|
status: TrainScheduleStatusEnum.Draft,
|
|
},
|
|
{
|
|
originStationId: originYardId,
|
|
destinationStationId: destinationYardId,
|
|
status: TrainScheduleStatusEnum.Scheduled,
|
|
},
|
|
],
|
|
});
|
|
const scheduleIds = corridor
|
|
.filter(
|
|
(s) =>
|
|
s.scheduledDepartureDate != null &&
|
|
eatDay(s.scheduledDepartureDate) === day &&
|
|
this.isFillable(s),
|
|
)
|
|
.sort(
|
|
(a, b) =>
|
|
a.scheduledDepartureDate.getTime() - b.scheduledDepartureDate.getTime(),
|
|
)
|
|
.map((s) => s.id);
|
|
|
|
if (scheduleIds.length === 0) return [];
|
|
|
|
const rules = await this.loadGlobalRules();
|
|
const wagonLengths = await this.loadWagonLengths();
|
|
|
|
// Live per-schedule budget + arm flag, in departure order.
|
|
const trains: Array<{ id: string; budget: Capacity; armed: boolean }> = [];
|
|
for (const id of scheduleIds) {
|
|
const schedule =
|
|
await this.trainSchedulesRepository.findByIdWithFullGraph(id);
|
|
const locomotive = schedule?.trainSet?.locomotive;
|
|
if (!schedule || !schedule.trainSetId || !locomotive) {
|
|
this.logger.warn(
|
|
`Schedule ${id} has no locomotive/train set — skipped.`,
|
|
);
|
|
continue;
|
|
}
|
|
const limits = await this.capacityLimits(locomotive, rules);
|
|
await this.syncScheduleMaxWagons(schedule, locomotive, rules);
|
|
const budget = await this.remainingCapacity(
|
|
schedule,
|
|
limits,
|
|
wagonLengths,
|
|
);
|
|
trains.push({ id, budget, armed: false });
|
|
}
|
|
if (trains.length === 0) return [];
|
|
|
|
const pool = await this.bookingsRepository.findBatchPoolByRouteDay(
|
|
originYardId,
|
|
destinationYardId,
|
|
day,
|
|
);
|
|
// Consolidated partners collapse into one atomic unit (both-or-neither); a
|
|
// consolidated booking whose partner isn't ready this cycle is skipped.
|
|
const units = this.groupConsolidatedPool(pool);
|
|
|
|
for (const unit of units) {
|
|
const { primary: booking, partner } = unit;
|
|
const isPair = partner != null;
|
|
const need = isPair
|
|
? this.combinedNeed(booking, partner, wagonLengths)
|
|
: this.needFor(booking, wagonLengths);
|
|
const isGov = booking.isGovernment || (partner?.isGovernment ?? false);
|
|
|
|
// First train (earliest departure) that fits this unit as-is.
|
|
let target = trains.find((t) => this.fits(need, t.budget));
|
|
|
|
if (!target && isGov) {
|
|
// Government fits nowhere on its own — try to preempt commercial
|
|
// on each train (earliest first) until one frees enough room.
|
|
for (const t of trains) {
|
|
t.budget = await this.preemptForGovernment(
|
|
t.id,
|
|
need,
|
|
t.budget,
|
|
wagonLengths,
|
|
);
|
|
if (this.fits(need, t.budget)) {
|
|
target = t;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!target) {
|
|
// A consolidated pair is placed whole or not at all — never split.
|
|
if (!isPair) {
|
|
// Fits no train whole. Import GENERAL-contract commercial bookings get a
|
|
// partial-capacity offer on the train with the most free wagons.
|
|
const partialTarget = [...trains]
|
|
.filter((t) => t.budget.wagons >= 1)
|
|
.sort((a, b) => b.budget.wagons - a.budget.wagons)[0];
|
|
if (
|
|
partialTarget &&
|
|
!booking.isGovernment &&
|
|
booking.tradeDirection === "IMPORT" &&
|
|
booking.contractKind === "GENERAL" &&
|
|
this.splitService
|
|
) {
|
|
const offered = await this.tryPartialOffer(
|
|
booking,
|
|
partialTarget.id,
|
|
partialTarget.budget,
|
|
need,
|
|
);
|
|
if (offered) {
|
|
partialTarget.budget = this.subtract(partialTarget.budget, offered);
|
|
partialTarget.armed = true;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
// Stays in the pool, retried next batch/window cycle.
|
|
this.notifier.unplaced(booking, day);
|
|
if (partner) this.notifier.unplaced(partner, day);
|
|
continue;
|
|
}
|
|
|
|
if (isGov) {
|
|
await this.allocate(target.id, booking, "gov");
|
|
if (partner) await this.allocate(target.id, partner, "gov");
|
|
} else {
|
|
await this.reserve(booking, target.id);
|
|
if (partner) await this.reserve(partner, target.id);
|
|
target.armed = true;
|
|
}
|
|
target.budget = this.subtract(target.budget, need);
|
|
}
|
|
|
|
for (const t of trains) {
|
|
if (t.budget.wagons <= 0) await this.setWindow(t.id, "FULL");
|
|
if (t.armed) this.armSettle(t.id);
|
|
void this.triggerWagonAllocation(t.id);
|
|
}
|
|
|
|
return trains.map((t) => t.id);
|
|
}
|
|
|
|
/**
|
|
* Offer the largest fitting part of an over-capacity booking as a partial
|
|
* (split-on-payment). Returns the capacity the offer consumes, or null when no
|
|
* meaningful partial fits / an offer is already open.
|
|
*/
|
|
private async tryPartialOffer(
|
|
booking: Booking,
|
|
scheduleId: string,
|
|
budget: Capacity,
|
|
need: Capacity,
|
|
): Promise<Capacity | null> {
|
|
if (!this.splitService) return null;
|
|
// A consolidated booking is already half of a shared wagon — never split it.
|
|
if (booking.consolidationPartnerId) return null;
|
|
if (await this.splitService.findOpenOffer(booking.id)) return null;
|
|
|
|
const wagonLengths = await this.loadWagonLengths();
|
|
const bulkCapacityTons = await this.loadBulkWagonCapacityTons();
|
|
const sized = await this.splitService.sizeOffer(
|
|
booking,
|
|
budget.wagons,
|
|
need.wagons,
|
|
bulkCapacityTons,
|
|
);
|
|
if (!sized) return null;
|
|
|
|
const offeredNeed: Capacity = {
|
|
wagons: sized.offeredWagons,
|
|
weightTons: sized.offeredWeightTons,
|
|
lengthMeters: bookingTrainLengthMeters(booking.freightType, sized.offeredWagons, {
|
|
container: wagonLengths.container,
|
|
bulk: wagonLengths.bulk,
|
|
}),
|
|
};
|
|
if (!this.fits(offeredNeed, budget)) return null;
|
|
|
|
const deadline = new Date(Date.now() + (await this.paymentWindowMs()));
|
|
await this.splitService.createOffer(booking, scheduleId, sized, deadline);
|
|
// Reserve like a normal batch selection, but the partial invoice + partial
|
|
// pay-now notification were already produced by createOffer.
|
|
await this.bookingsRepository.update(booking.id, {
|
|
trainScheduleId: scheduleId,
|
|
status: "SELECTED_FOR_BATCH",
|
|
selectedForBatchAt: new Date(),
|
|
paymentDeadline: deadline,
|
|
} as never);
|
|
booking.trainScheduleId = scheduleId;
|
|
return offeredNeed;
|
|
}
|
|
|
|
private async loadBulkWagonCapacityTons(): Promise<number> {
|
|
const cw3 = await this.dataSource
|
|
.getRepository(WagonType)
|
|
.findOne({ where: { code: "CW3" } });
|
|
const capacity = cw3 ? wagonTypeDimensionsFromEntity(cw3).capacityTons : 60;
|
|
return capacity > 0 ? capacity : 60;
|
|
}
|
|
|
|
/**
|
|
* Settle a schedule's reserved bookings. `expireUnpaidUnknownDeadline` decides
|
|
* how to treat a reservation with no deadline (durable path: leave it; timeout
|
|
* path: expire it). Consolidated pairs settle atomically: both allocate only
|
|
* when both paid; if either partner expires, both expire (a half-paid shared
|
|
* wagon must not ship). Returns whether anything changed.
|
|
*/
|
|
private async settleReserved(
|
|
scheduleId: string,
|
|
expireUnpaidUnknownDeadline: boolean,
|
|
): Promise<boolean> {
|
|
const reserved =
|
|
await this.bookingsRepository.findReservedForSchedule(scheduleId);
|
|
const now = Date.now();
|
|
const byId = new Map(reserved.map((b) => [b.id, b]));
|
|
const done = new Set<string>();
|
|
let anySettled = false;
|
|
|
|
const isPaid = (b: Booking) =>
|
|
b.paymentStatus === "PAID" || b.status === "PAID";
|
|
const isExpired = (b: Booking) =>
|
|
b.paymentDeadline
|
|
? b.paymentDeadline.getTime() <= now
|
|
: expireUnpaidUnknownDeadline;
|
|
|
|
for (const booking of reserved) {
|
|
if (done.has(booking.id)) continue;
|
|
const partner = booking.consolidationPartnerId
|
|
? (byId.get(booking.consolidationPartnerId) ?? null)
|
|
: null;
|
|
|
|
if (partner) {
|
|
done.add(booking.id);
|
|
done.add(partner.id);
|
|
// Both-or-neither: allocate the shared wagon only when both partners paid;
|
|
// if either lapsed, expire both so no half-paid wagon rides.
|
|
if (isPaid(booking) && isPaid(partner)) {
|
|
await this.allocate(scheduleId, booking, "paid");
|
|
await this.allocate(scheduleId, partner, "paid");
|
|
anySettled = true;
|
|
} else if (isExpired(booking) || isExpired(partner)) {
|
|
await this.expire(booking);
|
|
await this.expire(partner);
|
|
anySettled = true;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
done.add(booking.id);
|
|
if (isPaid(booking)) {
|
|
await this.allocate(scheduleId, booking, "paid");
|
|
anySettled = true;
|
|
} else if (isExpired(booking)) {
|
|
await this.expire(booking);
|
|
anySettled = true;
|
|
}
|
|
}
|
|
return anySettled;
|
|
}
|
|
|
|
/** Durable settle: allocate paid / expire overdue reservations, then top up. */
|
|
async settleDueReservations(scheduleId: string): Promise<void> {
|
|
const anySettled = await this.settleReserved(scheduleId, false);
|
|
if (anySettled) await this.fillSchedule(scheduleId);
|
|
}
|
|
|
|
// ---- settle (1h after a batch) -------------------------------------------
|
|
|
|
/** Allocate paid reservations, expire the rest, then top up. */
|
|
async settleBatch(scheduleId: string): Promise<void> {
|
|
this.removeTimeout(scheduleId);
|
|
await this.settleReserved(scheduleId, true);
|
|
await this.fillSchedule(scheduleId);
|
|
void this.triggerWagonAllocation(scheduleId);
|
|
}
|
|
|
|
private triggerWagonAllocation(scheduleId: string): void {
|
|
void this.trainSchedulingService
|
|
.tryAutoWagonAllocation(scheduleId)
|
|
.catch((err) =>
|
|
this.logger.warn(
|
|
`Auto wagon allocation failed for ${scheduleId}: ${(err as Error).message}`,
|
|
),
|
|
);
|
|
}
|
|
|
|
// ---- staff override actions ----------------------------------------------
|
|
|
|
/** Staff "mark paid" override → set PAID and allocate immediately (don't wait for settle). */
|
|
async markPaid(bookingId: string): Promise<void> {
|
|
const booking = await this.dataSource
|
|
.getRepository(Booking)
|
|
.findOne({ where: { id: bookingId } });
|
|
if (!booking) throw new NotFoundException(`Booking ${bookingId} not found`);
|
|
if (!booking.trainScheduleId) {
|
|
throw new BadRequestException(
|
|
"Booking has no target schedule to allocate to",
|
|
);
|
|
}
|
|
await this.dataSource
|
|
.getRepository(Booking)
|
|
.update(bookingId, { paymentStatus: "PAID" });
|
|
await this.allocate(booking.trainScheduleId, booking, "paid");
|
|
|
|
const schedule = await this.trainSchedulesRepository.findByIdWithFullGraph(
|
|
booking.trainScheduleId,
|
|
);
|
|
if (schedule && (await this.remainingWagons(schedule)) <= 0) {
|
|
await this.setWindow(booking.trainScheduleId, "FULL");
|
|
}
|
|
void this.triggerWagonAllocation(booking.trainScheduleId!);
|
|
}
|
|
|
|
/**
|
|
* Re-point a booking to another OPEN same-route schedule (keeps approval/contract + priority).
|
|
* Used for EXPIRED or full-schedule bookings — no re-approval.
|
|
*/
|
|
async moveToSchedule(
|
|
bookingId: string,
|
|
newScheduleId: string,
|
|
): Promise<void> {
|
|
const booking = await this.dataSource
|
|
.getRepository(Booking)
|
|
.findOne({ where: { id: bookingId } });
|
|
if (!booking) throw new NotFoundException(`Booking ${bookingId} not found`);
|
|
|
|
const schedule = await this.dataSource
|
|
.getRepository(TrainSchedule)
|
|
.findOne({ where: { id: newScheduleId } });
|
|
if (!schedule)
|
|
throw new NotFoundException(`Train schedule ${newScheduleId} not found`);
|
|
if (schedule.bookingWindowStatus !== "OPEN") {
|
|
throw new BadRequestException(
|
|
"Target schedule is not accepting bookings",
|
|
);
|
|
}
|
|
if (
|
|
schedule.originStationId !== booking.originYardId ||
|
|
schedule.destinationStationId !== booking.destinationYardId
|
|
) {
|
|
throw new BadRequestException(
|
|
"Target schedule is not on the booking route",
|
|
);
|
|
}
|
|
|
|
await this.dataSource.transaction(async (manager) => {
|
|
if (booking.trainScheduleId) {
|
|
await this.trainScheduleBookingsRepository.deleteByScheduleAndBooking(
|
|
booking.trainScheduleId,
|
|
bookingId,
|
|
manager,
|
|
);
|
|
}
|
|
const restoredStatus =
|
|
booking.status === "EXPIRED"
|
|
? booking.isGovernment
|
|
? "APPROVED"
|
|
: "FULLY_EXECUTED"
|
|
: booking.status;
|
|
await manager.getRepository(Booking).update(bookingId, {
|
|
trainScheduleId: newScheduleId,
|
|
status: restoredStatus,
|
|
schedulingStatus: "ELIGIBLE",
|
|
paymentDeadline: null,
|
|
selectedForBatchAt: null,
|
|
} as never);
|
|
});
|
|
}
|
|
|
|
/** Staff "expire" override → free a reservation now (booking becomes EXPIRED). */
|
|
async expireReservation(bookingId: string): Promise<void> {
|
|
const booking = await this.dataSource
|
|
.getRepository(Booking)
|
|
.findOne({ where: { id: bookingId } });
|
|
if (!booking) throw new NotFoundException(`Booking ${bookingId} not found`);
|
|
await this.expire(booking);
|
|
if (booking.trainScheduleId)
|
|
await this.fillSchedule(booking.trainScheduleId);
|
|
}
|
|
|
|
// ---- mutations ------------------------------------------------------------
|
|
|
|
/**
|
|
* Reserve capacity for a commercial booking on a specific train and open its
|
|
* pay window. `scheduleId` is persisted so the settle/allocate lifecycle
|
|
* (settleDueReservations, settleBatch, ensurePaidBookingAllocated, markPaid),
|
|
* which is all keyed off `booking.trainScheduleId`, can find the train — with
|
|
* day-level pooling the booking arrives here with `trainScheduleId` still null,
|
|
* so the engine sets it as it picks the train.
|
|
*/
|
|
private async reserve(booking: Booking, scheduleId: string): Promise<void> {
|
|
const now = new Date();
|
|
const deadline = new Date(now.getTime() + (await this.paymentWindowMs()));
|
|
await this.bookingsRepository.update(booking.id, {
|
|
trainScheduleId: scheduleId,
|
|
status: "SELECTED_FOR_BATCH",
|
|
selectedForBatchAt: now,
|
|
paymentDeadline: deadline,
|
|
} as never);
|
|
booking.trainScheduleId = scheduleId;
|
|
// The invoice was generated at booking creation/approval, before this pay
|
|
// window opened — refresh its printed due date to the real deadline.
|
|
await this.billing.syncPayableDueDate(
|
|
Freight.InvoiceSource.Booking,
|
|
booking.id,
|
|
deadline,
|
|
"PREPAID",
|
|
);
|
|
await this.notifier.payNow(booking, deadline);
|
|
}
|
|
|
|
/** Allocate a booking to the schedule's train (creates the TrainScheduleBooking link). */
|
|
private async allocate(
|
|
scheduleId: string,
|
|
booking: Booking,
|
|
reason: "paid" | "gov",
|
|
): Promise<void> {
|
|
await this.dataSource.transaction(async (manager) => {
|
|
const exists =
|
|
await this.trainScheduleBookingsRepository.existsForBooking(
|
|
booking.id,
|
|
manager,
|
|
);
|
|
if (!exists) {
|
|
await this.trainScheduleBookingsRepository.createMany(
|
|
[{ trainScheduleId: scheduleId, bookingId: booking.id }],
|
|
manager,
|
|
);
|
|
}
|
|
await manager.getRepository(Booking).update(booking.id, {
|
|
status: reason === "paid" ? "PAID" : booking.status,
|
|
schedulingStatus: "SCHEDULED",
|
|
scheduledAt: new Date(),
|
|
paymentDeadline: null,
|
|
selectedForBatchAt: null,
|
|
} as never);
|
|
});
|
|
this.notifier.secured(booking, reason);
|
|
void this.triggerWagonAllocation(scheduleId);
|
|
void this.markWagonAllocatedMilestone(booking.id);
|
|
}
|
|
|
|
private async markWagonAllocatedMilestone(bookingId: string): Promise<void> {
|
|
if (!this.milestoneService) return;
|
|
try {
|
|
await this.milestoneService.completeForBooking(bookingId, 'WAGON_ALLOCATED');
|
|
} catch {
|
|
// Booking may have no milestone rows (non-contract path).
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Expire an unpaid reservation and free its capacity. With day-level pooling we
|
|
* also clear `trainScheduleId` so the booking is no longer pinned to the train
|
|
* it failed to pay for — it's back in the day pool for staff to act on.
|
|
*/
|
|
private async expire(booking: Booking): Promise<void> {
|
|
await this.bookingsRepository.update(booking.id, {
|
|
trainScheduleId: null,
|
|
status: "EXPIRED",
|
|
schedulingStatus: "ELIGIBLE",
|
|
paymentDeadline: null,
|
|
selectedForBatchAt: null,
|
|
} as never);
|
|
booking.trainScheduleId = null;
|
|
// An unpaid partial offer dies with the reservation — the booking stays whole.
|
|
if (this.splitService) {
|
|
await this.splitService.expireOpenOffer(booking.id);
|
|
}
|
|
// Pay window closed before settlement → expire the booking's open invoice too
|
|
// (emits `booking.invoice.expired`). Domain owns the reaction; billing stays
|
|
// source-agnostic.
|
|
await this.billing.expirePayable(Freight.InvoiceSource.Booking, booking.id, "PREPAID");
|
|
this.notifier.expired(booking);
|
|
}
|
|
|
|
/**
|
|
* Free capacity for a government booking by displacing the lowest-priority commercial
|
|
* bookings (reserved first, then allocated — including PAID). Displaced → EXPIRED + notified.
|
|
*/
|
|
private async preemptForGovernment(
|
|
scheduleId: string,
|
|
need: Capacity,
|
|
budget: Capacity,
|
|
wagonLengths: WagonLengths,
|
|
): Promise<Capacity> {
|
|
const reservedCommercial = (
|
|
await this.bookingsRepository.findReservedForSchedule(scheduleId)
|
|
).filter((b) => !b.isGovernment);
|
|
const allocatedCommercial =
|
|
await this.bookingsRepository.findAllocatedCommercialForSchedule(
|
|
scheduleId,
|
|
);
|
|
|
|
// lowest priority first; reserved are cheaper to free than allocated
|
|
const candidates = [...reservedCommercial, ...allocatedCommercial].sort(
|
|
(a, b) => (a.priorityScore ?? 0) - (b.priorityScore ?? 0),
|
|
);
|
|
|
|
let freed = budget;
|
|
for (const victim of candidates) {
|
|
if (this.fits(need, freed)) break;
|
|
await this.dataSource.transaction(async (manager) => {
|
|
await this.trainScheduleBookingsRepository.deleteByScheduleAndBooking(
|
|
scheduleId,
|
|
victim.id,
|
|
manager,
|
|
);
|
|
await manager.getRepository(Booking).update(victim.id, {
|
|
status: "EXPIRED",
|
|
schedulingStatus: "ELIGIBLE",
|
|
paymentDeadline: null,
|
|
selectedForBatchAt: null,
|
|
} as never);
|
|
// Displaced → EXPIRED: close its open invoice too, so a dead booking
|
|
// can't still be paid (mirrors `expire()`; enlisted in this txn).
|
|
await this.billing.expirePayable(
|
|
Freight.InvoiceSource.Booking,
|
|
victim.id,
|
|
"PREPAID",
|
|
manager,
|
|
);
|
|
});
|
|
this.notifier.displaced(victim);
|
|
freed = this.add(freed, this.needFor(victim, wagonLengths));
|
|
}
|
|
return freed;
|
|
}
|
|
|
|
// ---- capacity helpers -----------------------------------------------------
|
|
|
|
/**
|
|
* Collapse consolidated partners into single pool entries so the fill treats a
|
|
* shared-wagon pair as one atomic unit (both-or-neither). For each pool entry:
|
|
* - no `consolidationPartnerId` → passes through as a lone booking.
|
|
* - consolidated + partner also in this pool → emitted ONCE (at the position of
|
|
* whichever partner ranks first) as a pair; the partner is not emitted again.
|
|
* - consolidated + partner NOT in this pool → dropped (can't ship half a wagon;
|
|
* it waits for the partner to become ready in a later cycle).
|
|
* The pool is already priority-ordered, so emitting the pair at the first-seen
|
|
* partner's slot ranks it by the stronger (max-priority) partner automatically.
|
|
*/
|
|
private groupConsolidatedPool(
|
|
pool: Booking[],
|
|
): Array<{ primary: Booking; partner: Booking | null }> {
|
|
const byId = new Map(pool.map((b) => [b.id, b]));
|
|
const emitted = new Set<string>();
|
|
const units: Array<{ primary: Booking; partner: Booking | null }> = [];
|
|
for (const booking of pool) {
|
|
if (emitted.has(booking.id)) continue;
|
|
const partnerId = booking.consolidationPartnerId ?? null;
|
|
if (!partnerId) {
|
|
emitted.add(booking.id);
|
|
units.push({ primary: booking, partner: null });
|
|
continue;
|
|
}
|
|
const partner = byId.get(partnerId) ?? null;
|
|
if (!partner) {
|
|
// Both-or-neither: partner not ready in this pool → skip the pair entirely.
|
|
emitted.add(booking.id);
|
|
continue;
|
|
}
|
|
emitted.add(booking.id);
|
|
emitted.add(partner.id);
|
|
units.push({ primary: booking, partner });
|
|
}
|
|
return units;
|
|
}
|
|
|
|
/**
|
|
* Combined capacity need of a consolidated pair sharing wagons. The whole point of
|
|
* consolidation is that the two partial 20ft counts pack onto the SAME wagons, so
|
|
* the shared wagon count is ceil((c1+c2)/2) — strictly fewer than summing the two
|
|
* independently-rounded-up needs (that is the capacity consolidation saves).
|
|
*/
|
|
private combinedNeed(
|
|
primary: Booking,
|
|
partner: Booking,
|
|
wagonLengths: WagonLengths,
|
|
): Capacity {
|
|
const containers = (b: Booking): number =>
|
|
(b.bookingContainers ?? []).reduce((sum, c) => sum + Number(c.quantity ?? 0), 0);
|
|
const totalContainers = containers(primary) + containers(partner);
|
|
const sharedWagons =
|
|
totalContainers > 0
|
|
? Math.ceil(totalContainers / MAX_TEU_SLOTS_PER_WAGON)
|
|
: this.wagonsFor(primary) + this.wagonsFor(partner);
|
|
const weightTons =
|
|
Number(primary.cargoTotalWeightVgm ?? 0) + Number(partner.cargoTotalWeightVgm ?? 0);
|
|
return {
|
|
wagons: sharedWagons,
|
|
weightTons,
|
|
lengthMeters: bookingTrainLengthMeters(primary.freightType, sharedWagons, {
|
|
container: wagonLengths.container,
|
|
bulk: wagonLengths.bulk,
|
|
}),
|
|
};
|
|
}
|
|
|
|
private wagonsFor(booking: Booking): number {
|
|
if (booking.wagonsRequired && booking.wagonsRequired > 0) {
|
|
return Math.ceil(booking.wagonsRequired);
|
|
}
|
|
const fromContainers = (booking.bookingContainers ?? []).reduce(
|
|
(sum, c) => sum + Number(c.quantity ?? 0),
|
|
0,
|
|
);
|
|
return Math.max(
|
|
DEFAULT_WAGONS_PER_BOOKING,
|
|
fromContainers || DEFAULT_WAGONS_PER_BOOKING,
|
|
);
|
|
}
|
|
|
|
/** What one booking consumes along all three capacity axes. */
|
|
private needFor(booking: Booking, wagonLengths: WagonLengths): Capacity {
|
|
const wagons = this.wagonsFor(booking);
|
|
return {
|
|
wagons,
|
|
weightTons: Number(booking.cargoTotalWeightVgm ?? 0),
|
|
lengthMeters: bookingTrainLengthMeters(booking.freightType, wagons, {
|
|
container: wagonLengths.container,
|
|
bulk: wagonLengths.bulk,
|
|
}),
|
|
};
|
|
}
|
|
|
|
private fits(need: Capacity, budget: Capacity): boolean {
|
|
return (
|
|
need.wagons <= budget.wagons &&
|
|
need.weightTons <= budget.weightTons &&
|
|
need.lengthMeters <= budget.lengthMeters
|
|
);
|
|
}
|
|
|
|
private subtract(budget: Capacity, need: Capacity): Capacity {
|
|
return {
|
|
wagons: budget.wagons - need.wagons,
|
|
weightTons: budget.weightTons - need.weightTons,
|
|
lengthMeters: budget.lengthMeters - need.lengthMeters,
|
|
};
|
|
}
|
|
|
|
private add(budget: Capacity, freed: Capacity): Capacity {
|
|
return {
|
|
wagons: budget.wagons + freed.wagons,
|
|
weightTons: budget.weightTons + freed.weightTons,
|
|
lengthMeters: budget.lengthMeters + freed.lengthMeters,
|
|
};
|
|
}
|
|
|
|
/** Locomotive + wagon-type-derived caps (weight, length, wagon slots — not a fixed 53). */
|
|
private async capacityLimits(
|
|
locomotive: Locomotive,
|
|
rules: TrainSchedulingGlobalRules | null,
|
|
): Promise<Capacity> {
|
|
const wagonTypes = await this.loadWagonTypeDimensions();
|
|
const derived = deriveTrainCapacityFromLocomotive(
|
|
{
|
|
maxPullWeightTons: Number(locomotive.maxPullWeightTons),
|
|
maxTrainLengthMeters: Number(locomotive.maxTrainLengthMeters),
|
|
},
|
|
wagonTypes,
|
|
{
|
|
maxTrainWeightTons: rules?.maxTrainWeightTons
|
|
? Number(rules.maxTrainWeightTons)
|
|
: undefined,
|
|
maxTrainLengthMeters: rules?.maxTrainLengthMeters
|
|
? Number(rules.maxTrainLengthMeters)
|
|
: undefined,
|
|
},
|
|
);
|
|
return {
|
|
wagons: derived.maxWagonSlots,
|
|
weightTons: derived.maxWeightTons,
|
|
lengthMeters: derived.maxLengthMeters,
|
|
};
|
|
}
|
|
|
|
/** Keep schedule.max_wagons aligned with locomotive physical limits. */
|
|
private async syncScheduleMaxWagons(
|
|
schedule: TrainSchedule,
|
|
locomotive: Locomotive,
|
|
rules: TrainSchedulingGlobalRules | null,
|
|
): Promise<void> {
|
|
const limits = await this.capacityLimits(locomotive, rules);
|
|
if ((schedule.maxWagons ?? 0) !== limits.wagons) {
|
|
await this.dataSource
|
|
.getRepository(TrainSchedule)
|
|
.update(schedule.id, { maxWagons: limits.wagons });
|
|
schedule.maxWagons = limits.wagons;
|
|
}
|
|
}
|
|
|
|
private async loadWagonTypeDimensions(): Promise<
|
|
Array<{ lengthMeters: number; capacityTons: number }>
|
|
> {
|
|
const types = await this.dataSource.getRepository(WagonType).find({
|
|
where: [{ code: "NW5" }, { code: "CW3" }],
|
|
});
|
|
if (types.length) return types.map(wagonTypeDimensionsFromEntity);
|
|
return [
|
|
{ lengthMeters: DEFAULT_CONTAINER_WAGON_LENGTH_METERS, capacityTons: 70 },
|
|
{ lengthMeters: DEFAULT_BULK_WAGON_LENGTH_METERS, capacityTons: 60 },
|
|
];
|
|
}
|
|
|
|
private async loadWagonLengths(): Promise<WagonLengths> {
|
|
const types = await this.dataSource.getRepository(WagonType).find({
|
|
where: [{ code: "NW5" }, { code: "CW3" }],
|
|
});
|
|
const byCode = new Map(
|
|
types.map((t) => [t.code, wagonTypeDimensionsFromEntity(t)]),
|
|
);
|
|
return {
|
|
container:
|
|
byCode.get("NW5")?.lengthMeters ??
|
|
DEFAULT_CONTAINER_WAGON_LENGTH_METERS,
|
|
bulk: byCode.get("CW3")?.lengthMeters ?? DEFAULT_BULK_WAGON_LENGTH_METERS,
|
|
};
|
|
}
|
|
|
|
private async loadGlobalRules(): Promise<TrainSchedulingGlobalRules | null> {
|
|
return this.dataSource
|
|
.getRepository(TrainSchedulingGlobalRules)
|
|
.findOne({ where: {} });
|
|
}
|
|
|
|
/** Remaining capacity = hard caps minus what allocated + reserved bookings already use. */
|
|
private async remainingCapacity(
|
|
schedule: TrainSchedule,
|
|
limits: Capacity,
|
|
wagonLengths: WagonLengths,
|
|
): Promise<Capacity> {
|
|
const allocated = (schedule.scheduleBookings ?? [])
|
|
.map((sb) => sb.booking)
|
|
.filter((b): b is Booking => Boolean(b));
|
|
const reserved = await this.bookingsRepository.findReservedForSchedule(
|
|
schedule.id,
|
|
);
|
|
const used = [...allocated, ...reserved].reduce<Capacity>(
|
|
(acc, b) => this.add(acc, this.needFor(b, wagonLengths)),
|
|
{ wagons: 0, weightTons: 0, lengthMeters: 0 },
|
|
);
|
|
return this.subtract(limits, used);
|
|
}
|
|
|
|
/** maxWagons minus wagons already taken by allocated + reserved bookings. */
|
|
private async remainingWagons(schedule: TrainSchedule): Promise<number> {
|
|
const allocated = (schedule.scheduleBookings ?? [])
|
|
.map((sb) => sb.booking)
|
|
.filter((b): b is Booking => Boolean(b));
|
|
const reserved = await this.bookingsRepository.findReservedForSchedule(
|
|
schedule.id,
|
|
);
|
|
const used =
|
|
allocated.reduce((s, b) => s + this.wagonsFor(b), 0) +
|
|
reserved.reduce((s, b) => s + this.wagonsFor(b), 0);
|
|
return (schedule.maxWagons ?? 0) - used;
|
|
}
|
|
|
|
async setWindow(
|
|
scheduleId: string,
|
|
status: "OPEN" | "FULL" | "CLOSED",
|
|
): Promise<void> {
|
|
await this.dataSource
|
|
.getRepository(TrainSchedule)
|
|
.update(scheduleId, { bookingWindowStatus: status });
|
|
}
|
|
|
|
/** No wagon slots left for allocated + reserved bookings. */
|
|
async isScheduleFull(scheduleId: string): Promise<boolean> {
|
|
const schedule =
|
|
await this.trainSchedulesRepository.findByIdWithFullGraph(scheduleId);
|
|
if (!schedule) return false;
|
|
return (await this.remainingWagons(schedule)) <= 0;
|
|
}
|
|
|
|
// ---- timer plumbing -------------------------------------------------------
|
|
|
|
/** Configured customer pay window in ms (global rules, with defaults). */
|
|
private async paymentWindowMs(): Promise<number> {
|
|
const cfg = await this.trainSchedulingService.getWindowConfig();
|
|
return cfg.paymentWindowMinutes * 60_000;
|
|
}
|
|
|
|
private timeoutName(scheduleId: string): string {
|
|
return `settle:${scheduleId}`;
|
|
}
|
|
|
|
/**
|
|
* In-process accelerator only — the durable settle enforcement is the window
|
|
* engine's minute tick calling settleDueReservations off `paymentDeadline`.
|
|
*/
|
|
private armSettle(scheduleId: string): void {
|
|
void this.paymentWindowMs()
|
|
.then((delayMs) => {
|
|
this.removeTimeout(scheduleId);
|
|
const handle = setTimeout(() => {
|
|
void this.settleBatch(scheduleId).catch((err) =>
|
|
this.logger.error(
|
|
`settleBatch ${scheduleId} failed: ${(err as Error).message}`,
|
|
),
|
|
);
|
|
}, delayMs);
|
|
this.scheduler.addTimeout(this.timeoutName(scheduleId), handle);
|
|
})
|
|
.catch((err) =>
|
|
this.logger.warn(
|
|
`armSettle ${scheduleId} skipped: ${(err as Error).message}`,
|
|
),
|
|
);
|
|
}
|
|
|
|
private removeTimeout(scheduleId: string): void {
|
|
const name = this.timeoutName(scheduleId);
|
|
try {
|
|
if (this.scheduler.doesExist("timeout", name)) {
|
|
this.scheduler.deleteTimeout(name);
|
|
}
|
|
} catch {
|
|
// ignore — not armed
|
|
}
|
|
}
|
|
}
|