tick.service.ts

import { Injectable, Logger } from '@nestjs/common';
import { ScoreService } from '../score/score.service';
import { GameService } from './game.service';

@Injectable()
export class TickService {
  constructor(
    private scoreService: ScoreService, //private gameService: GameService,
  ) {
    // whenever Tickservice is called, it will start ticktimer
    /* 
    WARNING: multiple calls start multiple timers, 
    if you need to use this service somewhere else remember to call startTimer method from somewhere else
     */
  }

  private logger: Logger = new Logger('TickLogger');
  // tickinterval in milliseconds (10 minutes = 600 000)
  private readonly tickInterval: number = 60000;
  // dictionary to push gameId linked to start state
  private ongoingGames = {};

  // initializing timer
  async startTimer() {
    this.logger.log('Started timer');
    setInterval(this.Tick, this.tickInterval);
    /*     // add STARTED games to dictionary
    games.map(game => {
      this.ongoingGames[game.id] = Date.now();
    }); */
  }

  // add the game to tick queue
  async addGameToTimer(gameId: string) {
    this.logger.log('Added: ' + gameId);
    this.ongoingGames[gameId] = Date.now();
  }

  // remove game if the setting is set to pause
  async removeGameFromTimer(gameId: string) {
    this.logger.log('Deleted: ' + gameId);
    delete this.ongoingGames[gameId];
  }

  // tick score for games with STARTED-status
  Tick = () => {
    this.logger.log('Ticking');
    if (this.ongoingGames != null) {
      for (var game in this.ongoingGames) {
        this.scoreService.scoreTick(game);
      }
    }
  };
}