Initial commit of edr-passenger-api alpha version

apps/edr-passenger-api/src/modules/live/live.service.ts

@@ -0,0 +1,35 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import { PrismaService } from '../../common/prisma.service';
+
+@Injectable()
+export class LiveService {
+  constructor(private prisma: PrismaService) {}
+
+  async getTripLiveStatus(tripId: string) {
+    const trip = await this.prisma.trip.findUnique({
+      where: { id: tripId },
+      include: { service: true, originStation: true, destinationStation: true, liveStatus: true, stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } } },
+    });
+    if (!trip) throw new NotFoundException('Trip not found');
+    const live = trip.liveStatus;
+    const nextStop = trip.stopTimes.find((s) => s.status === 'UPCOMING' || s.status === 'APPROACHING');
+    return {
+      tripId: trip.id, trainName: trip.service.name,
+      fromStationName: trip.originStation.name, toStationName: trip.destinationStation.name,
+      state: live?.state ?? trip.status, currentLocationLabel: live?.currentLocationLabel,
+      progressPercent: live?.progressPercent ?? 0, delayMinutes: live?.delayMinutes ?? 0,
+      currentSpeedKph: live?.currentSpeedKph, platformLabel: live?.platformLabel,
+      nextStopStationName: nextStop?.station.name, updatedAt: live?.updatedAt ?? trip.departureAt,
+    };
+  }
+
+  updateLiveStatus(tripId: string, data: any) {
+    return this.prisma.tripLiveStatus.upsert({ where: { tripId }, update: data, create: { tripId, state: data.state ?? 'SCHEDULED', ...data } });
+  }
+
+  getStopTimeline(tripId: string) { return this.prisma.tripStopTime.findMany({ where: { tripId }, include: { station: true }, orderBy: { sequence: 'asc' } }); }
+
+  getStationCrowdSignals() { return this.prisma.stationCrowdSignal.findMany({ include: { station: true } }); }
+
+  getWeatherAlerts() { return this.prisma.weatherAlert.findMany({ where: { validUntil: { gte: new Date() } }, orderBy: { createdAt: 'desc' } }); }
+}