Sharkey/packages/backend/src/daemons/JanitorService.ts

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2022-09-17 21:27:08 +03:00
import { Inject, Injectable } from '@nestjs/common';
import { LessThan } from 'typeorm';
import { DI } from '@/di-symbols.js';
import { AttestationChallengesRepository } from '@/models/index.js';
import type { OnApplicationShutdown } from '@nestjs/common';
const interval = 30 * 60 * 1000;
@Injectable()
export class JanitorService implements OnApplicationShutdown {
#intervalId: NodeJS.Timer;
constructor(
@Inject(DI.attestationChallengesRepository)
private attestationChallengesRepository: AttestationChallengesRepository,
) {
}
/**
* Clean up database occasionally
*/
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);
}
public onApplicationShutdown(signal?: string | undefined) {
clearInterval(this.#intervalId);
}
}