box-nestjs-monorepo/libs/core/src/ad/ad-pool-warmup.service.ts

import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
import { AdPoolBuilder } from './ad-pool.builder';

@Injectable()
export class AdPoolWarmupService implements OnModuleInit {
  private readonly logger = new Logger(AdPoolWarmupService.name);

  constructor(private readonly builder: AdPoolBuilder) {}

  async onModuleInit(): Promise<void> {
    try {
      await this.builder.buildAll();
      this.logger.log('Ad pool warmup completed');
    } catch (err) {
      this.logger.error('Ad pool warmup failed', err);
    }
  }
}