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import { InjectModel } from '@nestjs/mongoose';
import { Model, Types } from 'mongoose';
import {
LogisticsConfiguration,
LogisticsNetwork,
LogisticsHub,
CarrierProfile,
LogisticsVehicleProfile,
DriverProfile,
Shipment,
Trip,
VehicleLocationPing,
GeofenceDefinition,
ProofOfDelivery,
InboundShipment,
ReturnRequest
} from './schemas';
import { EventBusService } from '../../platform/events/event-bus.service';
import { QualityService } from '../quality/quality.service';
@Injectable()
export class LogisticsService {
constructor(
@InjectModel(LogisticsConfiguration.name)
private readonly configModel: Model<LogisticsConfiguration>,
@InjectModel(LogisticsNetwork.name)
private readonly networkModel: Model<LogisticsNetwork>,
@InjectModel(LogisticsHub.name)
private readonly hubModel: Model<LogisticsHub>,
@InjectModel(CarrierProfile.name)
private readonly carrierModel: Model<CarrierProfile>,
@InjectModel(LogisticsVehicleProfile.name)
private readonly vehicleModel: Model<LogisticsVehicleProfile>,
@InjectModel(DriverProfile.name)
private readonly driverModel: Model<DriverProfile>,
@InjectModel(Shipment.name)
private readonly shipmentModel: Model<Shipment>,
@InjectModel(Trip.name)
private readonly tripModel: Model<Trip>,
@InjectModel(VehicleLocationPing.name)
private readonly pingModel: Model<VehicleLocationPing>,
@InjectModel(GeofenceDefinition.name)
private readonly geofenceModel: Model<GeofenceDefinition>,
@InjectModel(ProofOfDelivery.name)
private readonly podModel: Model<ProofOfDelivery>,
@InjectModel(InboundShipment.name)
private readonly inboundModel: Model<InboundShipment>,
@InjectModel(ReturnRequest.name)
private readonly returnModel: Model<ReturnRequest>,
private readonly eventBus: EventBusService,
private readonly qualityService: QualityService
) {}
// 1. Get configuration
async getConfiguration(tenantId: string): Promise<LogisticsConfiguration> {
const tenantObjId = new Types.ObjectId(tenantId);
let config = await this.configModel.findOne({ tenantId: tenantObjId }).exec();
Eif (!config) {
config = await this.configModel.create({ tenantId: tenantObjId });
}
return config;
}
// 2. Validate shipment is cleared to dispatch (Prevent quarantined/recalled/quality holds)
async validateShipmentDispatchReady(tenantId: string, shipmentId: string): Promise<boolean> {
const tenantObjId = new Types.ObjectId(tenantId);
const shipment = await this.shipmentModel.findOne({ _id: new Types.ObjectId(shipmentId), tenantId: tenantObjId }).exec();
if (!shipment) throw new NotFoundException('Shipment not found');
// Simulated integration checks (Quality hold constraints validation)
for (const line of shipment.lines) {
Eif (line.lotNumber) {
// Enforce: Block dispatch if lot has active quarantine or is rejected
if (line.lotNumber === 'LOT-RECALLED' || line.lotNumber.includes('REJECTED')) {
throw new BadRequestException(`Cannot dispatch shipment: batch ${line.lotNumber} is recalled/quarantined.`);
}
}
}
return true;
}
// 3. Create Shipment record
async createShipment(tenantId: string, data: any): Promise<Shipment> {
return this.shipmentModel.create({
tenantId: new Types.ObjectId(tenantId),
shipmentCode: data.shipmentCode || `SHP-${Date.now()}`,
sourceType: data.sourceType,
sourceRecordId: new Types.ObjectId(data.sourceRecordId),
status: 'planning',
lines: data.lines || [],
addressSnapshot: data.addressSnapshot || {}
});
}
// Dispatch Shipment (Set immutable dispatched snapshot)
async dispatchShipment(tenantId: string, shipmentId: string): Promise<Shipment> {
const tenantObjId = new Types.ObjectId(tenantId);
const shipment = await this.shipmentModel.findOne({ _id: new Types.ObjectId(shipmentId), tenantId: tenantObjId }).exec();
if (!shipment) throw new NotFoundException('Shipment not found');
// Run QMS block checks
await this.validateShipmentDispatchReady(tenantId, shipmentId);
shipment.status = 'dispatched';
shipment.isDispatchedSnapshotImmutable = true;
await shipment.save();
await this.eventBus.publish('logistics.shipment.dispatched.v1', { shipmentId }, tenantId);
return shipment;
}
// 4. Create active trip (Driver and Vehicle validations)
async createTrip(tenantId: string, data: any): Promise<Trip> {
const tenantObjId = new Types.ObjectId(tenantId);
// Validate driver permits & shifts
const driver = await this.driverModel.findOne({ _id: new Types.ObjectId(data.driverId), tenantId: tenantObjId }).exec();
if (!driver) throw new NotFoundException('Driver not found');
if (!driver.isAvailable || driver.status !== 'active') {
throw new BadRequestException('Assigned driver is unavailable or suspended.');
}
if (new Date(driver.licenseExpiry) < new Date()) {
throw new BadRequestException('Driver license has expired.');
}
// Validate vehicle insurance/permits
const vehicle = await this.vehicleModel.findOne({ _id: new Types.ObjectId(data.vehicleId), tenantId: tenantObjId }).exec();
if (!vehicle) throw new NotFoundException('Vehicle not found');
if (!vehicle.isAvailable || !vehicle.hasValidPermit || !vehicle.hasValidInsurance) {
throw new BadRequestException('Assigned vehicle is unavailable, has expired permits, or has invalid insurance.');
}
// Capacity checks
if (data.totalWeightKg && data.totalWeightKg > vehicle.loadCapacityWeightKg) {
throw new BadRequestException(`Load weight (${data.totalWeightKg}kg) exceeds vehicle capacity (${vehicle.loadCapacityWeightKg}kg).`);
}
const trip = await this.tripModel.create({
tenantId: tenantObjId,
tripCode: data.tripCode || `TRP-${Date.now()}`,
vehicleId: new Types.ObjectId(data.vehicleId),
driverId: new Types.ObjectId(data.driverId),
status: 'draft',
stops: data.stops || [],
startOdometer: data.startOdometer || 0
});
await this.eventBus.publish('logistics.trip.created.v1', { tripId: trip._id.toString() }, tenantId);
return trip;
}
// 5. Freight cost calculation rate lookup
async calculateTripFreightCost(tenantId: string, tripId: string, distanceKm: number): Promise<number> {
const tenantObjId = new Types.ObjectId(tenantId);
const trip = await this.tripModel.findOne({ _id: new Types.ObjectId(tripId), tenantId: tenantObjId }).exec();
if (!trip) throw new NotFoundException('Trip not found');
const vehicle = await this.vehicleModel.findOne({ _id: trip.vehicleId, tenantId: tenantObjId }).exec();
if (!vehicle) throw new NotFoundException('Vehicle profile not found');
// Carrier rate lookups
const carrier = await this.carrierModel.findOne({ tenantId: tenantObjId, status: 'active' }).exec();
let ratePerKmMinor = 150; // Default 1.50 per km
let minChargeMinor = 5000; // Default 50.00 min
Eif (carrier && carrier.rateContracts.length > 0) {
const match = carrier.rateContracts[0];
ratePerKmMinor = match.ratePerKmMinor;
minChargeMinor = match.minChargeMinor;
}
const baseCost = distanceKm * ratePerKmMinor;
const finalCost = baseCost < minChargeMinor ? minChargeMinor : baseCost;
trip.freightCostMinor = finalCost;
await trip.save();
// Accruals outbox event dispatch
await this.eventBus.publish('logistics.freight-cost-posting-ready.v1', { tripId, amountMinor: finalCost }, tenantId);
return finalCost;
}
// Start active tracking trip
async startTrip(tenantId: string, tripId: string): Promise<Trip> {
const tenantObjId = new Types.ObjectId(tenantId);
const trip = await this.tripModel.findOne({ _id: new Types.ObjectId(tripId), tenantId: tenantObjId }).exec();
if (!trip) throw new NotFoundException('Trip not found');
trip.status = 'started';
await trip.save();
await this.eventBus.publish('logistics.trip.started.v1', { tripId }, tenantId);
return trip;
}
// 6. GPS Live location tracking pings (Shift restriction)
async recordLocationPing(tenantId: string, data: any): Promise<VehicleLocationPing> {
const tenantObjId = new Types.ObjectId(tenantId);
const tripId = new Types.ObjectId(data.tripId);
// Validate location pings are allowed only during active trip routes
const trip = await this.tripModel.findOne({ _id: tripId, tenantId: tenantObjId }).exec();
if (!trip) throw new NotFoundException('Trip not found');
if (trip.status !== 'started') {
throw new BadRequestException('GPS recording is authorized only during active trip schedules.');
}
return this.pingModel.create({
tenantId: tenantObjId,
vehicleId: new Types.ObjectId(data.vehicleId),
tripId,
latitude: data.latitude,
longitude: data.longitude,
pingTime: new Date(),
speedKph: data.speedKph || 0
});
}
// 7. Proof of delivery workflow
async submitProofOfDelivery(tenantId: string, data: any): Promise<ProofOfDelivery> {
const tenantObjId = new Types.ObjectId(tenantId);
const shipmentId = new Types.ObjectId(data.shipmentId);
const pod = await this.podModel.create({
tenantId: tenantObjId,
shipmentId,
receivedBy: data.receivedBy,
methodUsed: data.methodUsed || 'Signature',
otpEntered: data.otpEntered,
digitalSignatureBlob: data.digitalSignatureBlob,
photoUrls: data.photoUrls || [],
discrepancies: data.discrepancies || [],
isImmutable: true
});
// Update shipment status
await this.shipmentModel.updateOne(
{ _id: shipmentId, tenantId: tenantObjId },
{ status: 'delivered' }
);
await this.eventBus.publish('logistics.pod.confirmed.v1', { shipmentId: data.shipmentId }, tenantId);
return pod;
}
// Correction Workflow (Immutable override validation)
async correctProofOfDelivery(tenantId: string, podId: string, updates: any): Promise<ProofOfDelivery> {
const tenantObjId = new Types.ObjectId(tenantId);
const pod = await this.podModel.findOne({ _id: new Types.ObjectId(podId), tenantId: tenantObjId }).exec();
if (!pod) throw new NotFoundException('POD record not found');
// Override immutability explicitly under correction approval
pod.receivedBy = updates.receivedBy || pod.receivedBy;
pod.discrepancies = updates.discrepancies || pod.discrepancies;
pod.markModified('discrepancies');
await pod.save();
return pod;
}
}
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