67 lines
1.7 KiB
TypeScript
67 lines
1.7 KiB
TypeScript
import { Global, Inject, Module } from '@nestjs/common';
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import Redis from 'ioredis';
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import { DataSource } from 'typeorm';
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import { createRedisConnection } from '@/redis.js';
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import { DI } from './di-symbols.js';
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import { loadConfig } from './config.js';
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import { createPostgresDataSource } from './postgres.js';
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import { RepositoryModule } from './models/RepositoryModule.js';
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import type { Provider, OnApplicationShutdown } from '@nestjs/common';
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const config = loadConfig();
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const $config: Provider = {
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provide: DI.config,
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useValue: config,
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};
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const $db: Provider = {
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provide: DI.db,
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useFactory: async (config) => {
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const db = createPostgresDataSource(config);
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return await db.initialize();
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},
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inject: [DI.config],
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};
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const $redis: Provider = {
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provide: DI.redis,
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useFactory: (config) => {
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const redisClient = createRedisConnection(config);
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return redisClient;
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},
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inject: [DI.config],
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};
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const $redisSubscriber: Provider = {
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provide: DI.redisSubscriber,
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useFactory: (config) => {
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const redisSubscriber = createRedisConnection(config);
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redisSubscriber.subscribe(config.host);
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return redisSubscriber;
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},
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inject: [DI.config],
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};
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@Global()
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@Module({
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imports: [RepositoryModule],
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providers: [$config, $db, $redis, $redisSubscriber],
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exports: [$config, $db, $redis, $redisSubscriber, RepositoryModule],
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})
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export class GlobalModule implements OnApplicationShutdown {
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constructor(
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@Inject(DI.db) private db: DataSource,
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@Inject(DI.redis) private redisClient: Redis.Redis,
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@Inject(DI.redisSubscriber) private redisSubscriber: Redis.Redis,
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) {}
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async onApplicationShutdown(signal: string): Promise<void> {
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await Promise.all([
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this.db.destroy(),
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this.redisClient.disconnect(),
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this.redisSubscriber.disconnect(),
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]);
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}
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}
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