hippofish/packages/backend/src/daemons/JanitorService.ts
2023-05-29 13:21:26 +09:00

45 lines
1.1 KiB
TypeScript

import { Inject, Injectable } from '@nestjs/common';
import { LessThan } from 'typeorm';
import { DI } from '@/di-symbols.js';
import type { AttestationChallengesRepository } from '@/models/index.js';
import { bindThis } from '@/decorators.js';
import type { OnApplicationShutdown } from '@nestjs/common';
const interval = 30 * 60 * 1000;
@Injectable()
export class JanitorService implements OnApplicationShutdown {
private intervalId: NodeJS.Timer;
constructor(
@Inject(DI.attestationChallengesRepository)
private attestationChallengesRepository: AttestationChallengesRepository,
) {
}
/**
* Clean up database occasionally
*/
@bindThis
public start(): void {
const tick = async () => {
await this.attestationChallengesRepository.delete({
createdAt: LessThan(new Date(new Date().getTime() - 5 * 60 * 1000)),
});
};
tick();
this.intervalId = setInterval(tick, interval);
}
@bindThis
public dispose(): void {
clearInterval(this.intervalId);
}
@bindThis
public onApplicationShutdown(signal?: string | undefined): void {
this.dispose();
}
}