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edr-platform/apps/edr-freight-api/src/modules/bookings/customer-truck.service.ts
2026-07-06 13:16:34 +00:00

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import {
BadRequestException,
ConflictException,
Injectable,
NotFoundException,
} from '@nestjs/common';
import { DataSource, EntityManager, IsNull } from 'typeorm';
import { AddCustomerTruckDto } from './dto/add-customer-truck.dto';
import { DepartCustomerTruckDto } from './dto/depart-customer-truck.dto';
import { CustomerTruckAssignment } from './entities/customer-truck-assignment.entity';
import { CustomerTruckContainer } from './entities/customer-truck-container.entity';
import { CustomerTruckAssignmentsRepository } from './customer-truck-assignments.repository';
interface BookingGuardRow {
tradeDirection: string | null;
firstMile: string | null;
lastMile: string | null;
paymentStatus: string | null;
status: string | null;
}
/**
* Multi-truck self-haul assignment. A booking with no EDR first/last-mile leg
* can have several customer trucks, each carrying 12 of its containers and
* tracking its own arrival. The legacy booking.customer_truck_* columns are kept
* as a booking-level flag (any truck assigned / all arrived) so the warehouse
* exit-gate + delivery-approval logic keep working unchanged.
*/
@Injectable()
export class CustomerTruckService {
constructor(
private readonly dataSource: DataSource,
private readonly assignments: CustomerTruckAssignmentsRepository,
) {}
listTrucks(bookingId: string): Promise<CustomerTruckAssignment[]> {
return this.assignments.findByBookingId(bookingId);
}
async addTruck(bookingId: string, dto: AddCustomerTruckDto): Promise<CustomerTruckAssignment[]> {
const booking = await this.loadBookingGuard(bookingId);
this.assertSelfHaulPaid(booking);
const isExport = booking.tradeDirection === 'EXPORT';
const requested = (dto.containerNumbers ?? []).map((n) => n.trim().toUpperCase());
// EXPORT: the truck delivers 12 known containers. IMPORT: containers are
// not pre-specified — they are registered + weighed when the truck leaves.
if (isExport) {
if (requested.length < 1 || requested.length > 2) {
throw new BadRequestException('An export truck must carry 1 or 2 of the booking containers');
}
} else if (requested.length > 2) {
throw new BadRequestException('A truck carries at most 2 containers');
}
if (requested.length) {
const bookingNumbers = await this.bookingContainerNumbers(bookingId);
for (const n of requested) {
if (!bookingNumbers.includes(n)) {
throw new BadRequestException(`Container ${n} is not one of this booking's containers`);
}
}
const alreadyAssigned = await this.assignedContainerNumbers(bookingId);
for (const n of requested) {
if (alreadyAssigned.includes(n)) {
throw new ConflictException(`Container ${n} is already loaded onto another truck`);
}
}
}
await this.dataSource.transaction(async (manager) => {
const assignment = await manager.getRepository(CustomerTruckAssignment).save(
manager.getRepository(CustomerTruckAssignment).create({
bookingId,
plateNumber: dto.truckPlateNumber.trim().toUpperCase(),
driverName: dto.driverName.trim(),
truckType: dto.truckType.trim(),
}),
);
await manager.getRepository(CustomerTruckContainer).save(
requested.map((containerNumber) =>
manager.getRepository(CustomerTruckContainer).create({
assignmentId: assignment.id,
bookingId,
containerNumber,
}),
),
);
// Booking-level flag: first truck marks the booking as truck-assigned.
await manager.query(
`UPDATE freight.bookings
SET customer_truck_assigned_at = COALESCE(customer_truck_assigned_at, NOW()),
status = CASE WHEN status = 'PAID' THEN 'TRUCK_ASSIGNED' ELSE status END,
updated_at = NOW()
WHERE id = $1`,
[bookingId],
);
});
return this.listTrucks(bookingId);
}
async removeTruck(bookingId: string, assignmentId: string): Promise<CustomerTruckAssignment[]> {
const assignment = await this.assignments.findByIdWithContainers(assignmentId);
if (!assignment || assignment.bookingId !== bookingId) {
throw new NotFoundException('Truck assignment not found for this booking');
}
if (assignment.arrivedAt) {
throw new ConflictException('Cannot remove a truck that has already arrived');
}
await this.dataSource.transaction(async (manager) => {
await manager.getRepository(CustomerTruckContainer).softDelete({ assignmentId });
await manager.getRepository(CustomerTruckAssignment).softDelete(assignmentId);
const remaining = await manager
.getRepository(CustomerTruckAssignment)
.count({ where: { bookingId } });
if (remaining === 0) {
// No trucks left — clear the booking-level flag and revert the status.
await manager.query(
`UPDATE freight.bookings
SET customer_truck_assigned_at = NULL,
status = CASE WHEN status = 'TRUCK_ASSIGNED' THEN 'PAID' ELSE status END,
updated_at = NOW()
WHERE id = $1`,
[bookingId],
);
}
});
return this.listTrucks(bookingId);
}
/**
* Register an IMPORT self-haul truck leaving the port: the containers it
* actually loaded (replacing any provisional list) and its weighed gross.
* Export bookings have no truck departure — trucks only deliver (receive).
*/
async departTruck(
bookingId: string,
assignmentId: string,
dto: DepartCustomerTruckDto,
): Promise<CustomerTruckAssignment[]> {
const booking = await this.loadBookingGuard(bookingId);
if (booking.tradeDirection !== 'IMPORT') {
throw new BadRequestException(
'Truck departure/weighing applies to import self-haul only (export trucks only deliver)',
);
}
const assignment = await this.assignments.findByIdWithContainers(assignmentId);
if (!assignment || assignment.bookingId !== bookingId) {
throw new NotFoundException('Truck assignment not found for this booking');
}
// Once filled, the departure record is uneditable.
if (assignment.departedAt) {
throw new ConflictException('This truck has already departed — its exit record is locked');
}
const requested = (dto.containerNumbers ?? []).map((n) => n.trim().toUpperCase());
if (requested.length) {
const bookingNumbers = await this.bookingContainerNumbers(bookingId);
for (const n of requested) {
if (!bookingNumbers.includes(n)) {
throw new BadRequestException(`Container ${n} is not one of this booking's containers`);
}
}
const elsewhere = await this.assignedContainerNumbersExcept(bookingId, assignmentId);
for (const n of requested) {
if (elsewhere.includes(n)) {
throw new ConflictException(`Container ${n} is already loaded onto another truck`);
}
}
}
await this.dataSource.transaction(async (manager) => {
if (requested.length) {
// Replace the truck's containers with what was actually loaded.
await manager.getRepository(CustomerTruckContainer).softDelete({ assignmentId });
await manager.getRepository(CustomerTruckContainer).save(
requested.map((containerNumber) =>
manager.getRepository(CustomerTruckContainer).create({
assignmentId,
bookingId,
containerNumber,
}),
),
);
}
await manager.getRepository(CustomerTruckAssignment).update(assignmentId, {
grossWeightKg: dto.grossWeightKg,
departedAt: dto.gateOutTime ? new Date(dto.gateOutTime) : new Date(),
arrivedAt: assignment.arrivedAt ?? new Date(),
});
});
return this.listTrucks(bookingId);
}
/** Booking container numbers not yet loaded onto any truck. */
async getLoadableContainers(bookingId: string): Promise<string[]> {
const [all, assigned] = await Promise.all([
this.bookingContainerNumbers(bookingId),
this.assignedContainerNumbers(bookingId),
]);
const taken = new Set(assigned);
return all.filter((n) => !taken.has(n));
}
/**
* Truck_dispatch (load): assign the selected containers to a truck after it has
* arrived, and set a provisional gross weight from their VGM. The truck is
* weighed for real on departure. Locked once the truck has left.
*/
async loadTruck(
bookingId: string,
assignmentId: string,
dto: { containerNumbers: string[] },
): Promise<CustomerTruckAssignment[]> {
await this.loadBookingGuard(bookingId);
const assignment = await this.assignments.findByIdWithContainers(assignmentId);
if (!assignment || assignment.bookingId !== bookingId) {
throw new NotFoundException('Truck assignment not found for this booking');
}
if (assignment.departedAt) {
throw new ConflictException('This truck has already left — its load is locked');
}
const requested = (dto.containerNumbers ?? []).map((n) => n.trim().toUpperCase());
if (!requested.length) {
throw new BadRequestException('Select at least one container to load onto the truck');
}
const bookingNumbers = await this.bookingContainerNumbers(bookingId);
for (const n of requested) {
if (!bookingNumbers.includes(n)) {
throw new BadRequestException(`Container ${n} is not one of this booking's containers`);
}
}
const elsewhere = await this.assignedContainerNumbersExcept(bookingId, assignmentId);
for (const n of requested) {
if (elsewhere.includes(n)) {
throw new ConflictException(`Container ${n} is already loaded onto another truck`);
}
}
const grossKg = await this.vgmKgForContainers(bookingId, requested);
await this.dataSource.transaction(async (manager) => {
await manager.getRepository(CustomerTruckContainer).softDelete({ assignmentId });
await manager.getRepository(CustomerTruckContainer).save(
requested.map((containerNumber) =>
manager.getRepository(CustomerTruckContainer).create({
assignmentId,
bookingId,
containerNumber,
}),
),
);
// Provisional gross from the loaded containers' VGM — overridden by the
// weighed gross on departure.
await manager.getRepository(CustomerTruckAssignment).update(assignmentId, {
grossWeightKg: grossKg,
});
});
return this.listTrucks(bookingId);
}
private async vgmKgForContainers(bookingId: string, numbers: string[]): Promise<number> {
const [row]: Array<{ kg: string }> = await this.dataSource.query(
`SELECT COALESCE(SUM(bcu.vgm_tons), 0) * 1000 AS kg
FROM freight.booking_container_units bcu
JOIN freight.booking_container bc
ON bc.id = bcu.booking_container_id AND bc.deleted_at IS NULL
WHERE bc.booking_id = $1
AND bcu.container_number = ANY($2::varchar[])
AND bcu.deleted_at IS NULL`,
[bookingId, numbers],
);
return Number(row?.kg ?? 0);
}
/**
* Mark the truck carrying `containerNumber` as arrived. Called by the warehouse
* receive flow. When every truck on the booking has arrived, the booking-level
* customer_truck_arrived_at flag is stamped (used by the delivery-approval
* gate). No-op when the container is not on any customer truck.
*/
async markArrivedByContainer(
bookingId: string,
containerNumber: string,
manager?: EntityManager,
): Promise<void> {
const m = manager ?? this.dataSource.manager;
const cn = containerNumber.trim().toUpperCase();
const container = await m.getRepository(CustomerTruckContainer).findOne({
where: { bookingId, containerNumber: cn },
});
if (!container) return;
await m
.getRepository(CustomerTruckAssignment)
.update({ id: container.assignmentId, arrivedAt: IsNull() }, { arrivedAt: new Date() });
await this.syncBookingArrival(bookingId, m);
}
/** Mark every truck on the booking arrived (fallback when no container is known). */
async markAllArrived(bookingId: string, manager?: EntityManager): Promise<void> {
const m = manager ?? this.dataSource.manager;
await m
.getRepository(CustomerTruckAssignment)
.update({ bookingId, arrivedAt: IsNull() }, { arrivedAt: new Date() });
await this.syncBookingArrival(bookingId, m);
}
/**
* Stamp the booking-level arrival flag on the FIRST truck arrival. The import
* handover is signed once, before the first truck leaves, even though trucks
* pick up per-container — so the flag fires on the first arrival (COALESCE
* keeps it), not once all trucks have arrived.
*/
private async syncBookingArrival(bookingId: string, m: EntityManager): Promise<void> {
await m.query(
`UPDATE freight.bookings
SET customer_truck_arrived_at = COALESCE(customer_truck_arrived_at, NOW()),
updated_at = NOW()
WHERE id = $1 AND customer_truck_assigned_at IS NOT NULL`,
[bookingId],
);
}
private async loadBookingGuard(bookingId: string): Promise<BookingGuardRow> {
const [row]: BookingGuardRow[] = await this.dataSource.query(
`SELECT trade_direction AS "tradeDirection",
first_mile_pickup_address AS "firstMile",
last_mile_delivery_address AS "lastMile",
payment_status AS "paymentStatus",
status
FROM freight.bookings
WHERE id = $1 AND deleted_at IS NULL`,
[bookingId],
);
if (!row) throw new NotFoundException(`Booking ${bookingId} not found`);
return row;
}
private assertSelfHaulPaid(booking: BookingGuardRow): void {
const hasFirstMile = Boolean(booking.firstMile?.trim());
const hasLastMile = Boolean(booking.lastMile?.trim());
const usesMileService =
booking.tradeDirection === 'IMPORT'
? hasLastMile
: booking.tradeDirection === 'EXPORT'
? hasFirstMile
: hasFirstMile || hasLastMile;
if (usesMileService) {
throw new BadRequestException(
'Customer truck assignment is only allowed when first/last mile delivery is not selected',
);
}
if (booking.paymentStatus !== 'PAID') {
throw new BadRequestException(
'Booking must be paid before assigning an external customer truck',
);
}
}
private async bookingContainerNumbers(bookingId: string): Promise<string[]> {
const rows: Array<{ containerNumber: string }> = await this.dataSource.query(
`SELECT bcu.container_number AS "containerNumber"
FROM freight.booking_container_units bcu
JOIN freight.booking_container bc
ON bc.id = bcu.booking_container_id AND bc.deleted_at IS NULL
WHERE bc.booking_id = $1 AND bcu.deleted_at IS NULL`,
[bookingId],
);
return rows.map((r) => r.containerNumber.trim().toUpperCase());
}
private async assignedContainerNumbers(bookingId: string): Promise<string[]> {
const rows: Array<{ containerNumber: string }> = await this.dataSource.query(
`SELECT container_number AS "containerNumber"
FROM freight.customer_truck_containers
WHERE booking_id = $1 AND deleted_at IS NULL`,
[bookingId],
);
return rows.map((r) => r.containerNumber.trim().toUpperCase());
}
private async assignedContainerNumbersExcept(
bookingId: string,
exceptAssignmentId: string,
): Promise<string[]> {
const rows: Array<{ containerNumber: string }> = await this.dataSource.query(
`SELECT container_number AS "containerNumber"
FROM freight.customer_truck_containers
WHERE booking_id = $1 AND assignment_id <> $2 AND deleted_at IS NULL`,
[bookingId, exceptAssignmentId],
);
return rows.map((r) => r.containerNumber.trim().toUpperCase());
}
}