ghostfolio/apps/api/src/services/cron.service.ts

import {
  GATHER_ASSET_PROFILE_PROCESS,
  GATHER_ASSET_PROFILE_PROCESS_OPTIONS
} from '@ghostfolio/common/config';
import { Injectable } from '@nestjs/common';
import { Cron, CronExpression } from '@nestjs/schedule';

import { DataGatheringService } from './data-gathering.service';
import { ExchangeRateDataService } from './exchange-rate-data.service';
import { TwitterBotService } from './twitter-bot/twitter-bot.service';

@Injectable()
export class CronService {
  private static readonly EVERY_SUNDAY_AT_LUNCH_TIME = '0 12 * * 0';

  public constructor(
    private readonly dataGatheringService: DataGatheringService,
    private readonly exchangeRateDataService: ExchangeRateDataService,
    private readonly twitterBotService: TwitterBotService
  ) {}

  @Cron(CronExpression.EVERY_HOUR)
  public async runEveryHour() {
    await this.dataGatheringService.gather7Days();
  }

  @Cron(CronExpression.EVERY_12_HOURS)
  public async runEveryTwelveHours() {
    await this.exchangeRateDataService.loadCurrencies();
  }

  @Cron(CronExpression.EVERY_DAY_AT_5PM)
  public async runEveryDayAtFivePm() {
    this.twitterBotService.tweetFearAndGreedIndex();
  }

  @Cron(CronService.EVERY_SUNDAY_AT_LUNCH_TIME)
  public async runEverySundayAtTwelvePm() {
    const uniqueAssets = await this.dataGatheringService.getUniqueAssets();

    await this.dataGatheringService.addJobsToQueue(
      uniqueAssets.map(({ dataSource, symbol }) => {
        return {
          data: {
            dataSource,
            symbol
          },
          name: GATHER_ASSET_PROFILE_PROCESS,
          opts: {
            ...GATHER_ASSET_PROFILE_PROCESS_OPTIONS,
            jobId: `${dataSource}-${symbol}`
          }
        };
      })
    );
  }
}