docmost/apps/server/src/integrations/queue/queue.module.ts

import { Global, Module } from '@nestjs/common';
import { BullModule } from '@nestjs/bullmq';
import { EnvironmentService } from '../environment/environment.service';
import { createRetryStrategy, parseRedisUrl } from '../../common/helpers';
import { QueueName } from './constants';
import { BacklinksProcessor } from './processors/backlinks.processor';

@Global()
@Module({
  imports: [
    BullModule.forRootAsync({
      useFactory: (environmentService: EnvironmentService) => {
        const redisConfig = parseRedisUrl(environmentService.getRedisUrl());
        return {
          connection: {
            host: redisConfig.host,
            port: redisConfig.port,
            password: redisConfig.password,
            db: redisConfig.db,
            family: redisConfig.family,
            retryStrategy: createRetryStrategy(),
          },
          defaultJobOptions: {
            attempts: 3,
            backoff: {
              type: 'exponential',
              delay: 20 * 1000,
            },
            removeOnComplete: {
              count: 200,
            },
            removeOnFail: {
              count: 100,
            },
          },
        };
      },
      inject: [EnvironmentService],
    }),
    BullModule.registerQueue({
      name: QueueName.EMAIL_QUEUE,
    }),
    BullModule.registerQueue({
      name: QueueName.ATTACHMENT_QUEUE,
    }),
    BullModule.registerQueue({
      name: QueueName.GENERAL_QUEUE,
    }),
    BullModule.registerQueue({
      name: QueueName.BILLING_QUEUE,
    }),
    BullModule.registerQueue({
      name: QueueName.FILE_TASK_QUEUE,
    }),
  ],
  exports: [BullModule],
  providers: [BacklinksProcessor],
})
export class QueueModule {}