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Add logic to fire the SHUTTLE_WILL_LEAVE_STOP event

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This commit is contained in:
Brendan Chen
2025-11-18 21:06:10 -08:00
parent c8c5aa28c6
commit 83671e2b22
2 changed files with 52 additions and 14 deletions
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17
src/repositories/shuttle/RedisShuttleRepository.ts
View File

@@ -398,13 +398,24 @@ export class RedisShuttleRepository extends BaseRedisRepository implements Shutt
shuttle: IShuttle,
travelTimeTimestamp = Date.now(),
) {
const isAtStop = await this.checkIfShuttleIsAtStop(shuttle.id);
const arrivedStop = await this.getArrivedStopIfExists(shuttle);
// Will not fire *any* events if the same stop
const lastStop = await this.getShuttleLastStopArrival(shuttle.id);
if (lastStop?.stopId === arrivedStop?.id) return;
if (isAtStop) {
if (lastStop) {
this.emit(ShuttleRepositoryEvent.SHUTTLE_WILL_LEAVE_STOP, {
stopArrivalThatShuttleIsLeaving: lastStop,
});
}
await this.markShuttleAsNotAtStop(shuttle.id);
}
if (arrivedStop) {
// stop if same stop
const lastStop = await this.getShuttleLastStopArrival(shuttle.id);
if (lastStop?.stopId === arrivedStop.id) return;
const shuttleArrival = {
stopId: arrivedStop.id,
timestamp: new Date(travelTimeTimestamp),

33
src/repositories/shuttle/UnoptimizedInMemoryShuttleRepository.ts
View File

@@ -74,6 +74,7 @@ export class UnoptimizedInMemoryShuttleRepository
private orderedStops: IOrderedStop[] = [];
private shuttleLastStopArrivals: Map<string, ShuttleStopArrival> = new Map();
private travelTimeData: Map<string, Array<{ timestamp: number; seconds: number }>> = new Map();
private shuttlesAtStop: Set<string> = new Set();
public async getStops(): Promise<IStop[]> {
return this.stops;
@@ -174,13 +175,24 @@ export class UnoptimizedInMemoryShuttleRepository
shuttle: IShuttle,
travelTimeTimestamp = Date.now(),
) {
const isAtStop = await this.checkIfShuttleIsAtStop(shuttle.id);
const arrivedStop = await this.getArrivedStopIfExists(shuttle);
if (arrivedStop != undefined) {
// stop if same stop
// Will not fire *any* events if the same stop
const lastStop = await this.getShuttleLastStopArrival(shuttle.id);
if (lastStop?.stopId === arrivedStop.id) return;
if (lastStop?.stopId === arrivedStop?.id) return;
if (isAtStop) {
if (lastStop) {
this.emit(ShuttleRepositoryEvent.SHUTTLE_WILL_LEAVE_STOP, {
stopArrivalThatShuttleIsLeaving: lastStop,
});
}
await this.markShuttleAsNotAtStop(shuttle.id);
}
if (arrivedStop) {
// stop if same stop
const shuttleArrival = {
stopId: arrivedStop.id,
timestamp: new Date(travelTimeTimestamp),
@@ -190,10 +202,23 @@ export class UnoptimizedInMemoryShuttleRepository
lastStopArrival: lastStop,
willArriveAt: shuttleArrival,
});
await this.markShuttleAsAtStop(shuttleArrival.shuttleId);
await this.updateShuttleLastStopArrival(shuttleArrival);
}
}
private async markShuttleAsAtStop(shuttleId: string) {
this.shuttlesAtStop.add(shuttleId);
}
private async markShuttleAsNotAtStop(shuttleId: string) {
this.shuttlesAtStop.delete(shuttleId);
}
private async checkIfShuttleIsAtStop(shuttleId: string) {
return this.shuttlesAtStop.has(shuttleId);
}
private async updateShuttleLastStopArrival(lastStopArrival: ShuttleStopArrival) {
this.shuttleLastStopArrivals.set(lastStopArrival.shuttleId, lastStopArrival);
@@ -267,6 +292,7 @@ export class UnoptimizedInMemoryShuttleRepository
const shuttle = await this.removeEntityByIdIfExists(shuttleId, this.shuttles);
if (shuttle != null) {
this.emit(ShuttleRepositoryEvent.SHUTTLE_REMOVED, shuttle);
this.shuttlesAtStop.delete(shuttleId);
await this.removeShuttleLastStopIfExists(shuttleId);
}
return shuttle;
@@ -289,6 +315,7 @@ export class UnoptimizedInMemoryShuttleRepository
public async clearShuttleData(): Promise<void> {
this.shuttles = [];
this.shuttlesAtStop.clear();
await this.clearShuttleLastStopData();
}