import { setTimeout } from 'node:timers/promises'; import { Global, Inject, Module } from '@nestjs/common'; import Redis from 'ioredis'; import { DataSource } from 'typeorm'; import { DI } from './di-symbols.js'; import { loadConfig } from './config.js'; import { createPostgresDataSource } from './postgres.js'; import { RepositoryModule } from './models/RepositoryModule.js'; import type { Provider, OnApplicationShutdown } from '@nestjs/common'; const $config: Provider = { provide: DI.config, useValue: loadConfig(), }; const $db: Provider = { provide: DI.db, useFactory: async (config) => { const db = createPostgresDataSource(config); return await db.initialize(); }, inject: [DI.config], }; const $redis: Provider = { provide: DI.redis, useFactory: (config) => { return new Redis({ port: config.redis.port, host: config.redis.host, family: config.redis.family == null ? 0 : config.redis.family, password: config.redis.pass, keyPrefix: `${config.redis.prefix}:`, db: config.redis.db ?? 0, }); }, inject: [DI.config], }; const $redisForPubsub: Provider = { provide: DI.redisForPubsub, useFactory: (config) => { const redis = new Redis({ port: config.redisForPubsub.port, host: config.redisForPubsub.host, family: config.redisForPubsub.family == null ? 0 : config.redisForPubsub.family, password: config.redisForPubsub.pass, keyPrefix: `${config.redisForPubsub.prefix}:`, db: config.redisForPubsub.db ?? 0, }); redis.subscribe(config.host); return redis; }, inject: [DI.config], }; @Global() @Module({ imports: [RepositoryModule], providers: [$config, $db, $redis, $redisForPubsub], exports: [$config, $db, $redis, $redisForPubsub, RepositoryModule], }) export class GlobalModule implements OnApplicationShutdown { constructor( @Inject(DI.db) private db: DataSource, @Inject(DI.redis) private redisClient: Redis.Redis, @Inject(DI.redisForPubsub) private redisForPubsub: Redis.Redis, ) {} async onApplicationShutdown(signal: string): Promise { if (process.env.NODE_ENV === 'test') { // XXX: // Shutting down the existing connections causes errors on Jest as // Misskey has asynchronous postgres/redis connections that are not // awaited. // Let's wait for some random time for them to finish. await setTimeout(5000); } await Promise.all([ this.db.destroy(), this.redisClient.disconnect(), this.redisForPubsub.disconnect(), ]); } }