Scheduling with Cron

npm i @nestjs/schedule

added 2 packages in 2s

src/tasks/tasks.service.ts

import { Injectable, Logger } from '@nestjs/common';
import { Cron, CronExpression, Interval } from '@nestjs/schedule';

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

  constructor(private readonly orders: OrdersService, private readonly reports: ReportsService) {}

  // every day at 02:00 India time
  @Cron('0 2 * * *', { name: 'daily-sales-report', timeZone: 'Asia/Kolkata' })
  async dailyReport() {
    await this.reports.emailDailySales();
  }

  @Cron(CronExpression.EVERY_10_MINUTES)
  async cancelUnpaidOrders() {
    const count = await this.orders.cancelPendingOlderThan(30);   // minutes
    this.logger.log(`cancelled ${count} unpaid orders`);
  }

  @Interval(60_000)
  heartbeat() {
    this.logger.debug('scheduler alive');
  }
}

// app.module.ts: imports: [ScheduleModule.forRoot()]