project-inter-server/src/entities/System.ts

import { ShuttleRepositoryLoader } from "../loaders/ShuttleRepositoryLoader";
import { ETANotificationScheduler } from "../notifications/schedulers/ETANotificationScheduler";
import { TimedApiBasedShuttleRepositoryLoader } from "../loaders/TimedApiBasedShuttleRepositoryLoader";
import { UnoptimizedInMemoryShuttleRepository } from "../repositories/UnoptimizedInMemoryShuttleRepository";
import { RedisNotificationRepository } from "../repositories/RedisNotificationRepository";
import { NotificationRepository } from "../repositories/NotificationRepository";
import { ShuttleGetterSetterRepository } from "../repositories/ShuttleGetterSetterRepository";

export class System {
  constructor(
    public systemId: string,
    public shuttleDataLoader: ShuttleRepositoryLoader,
    public shuttleRepository: ShuttleGetterSetterRepository,
    public notificationScheduler: ETANotificationScheduler,
    public notificationRepository: NotificationRepository,
  ) {
  }

  /**
   * Construct an instance of the class where all composited
   * classes are correctly linked.
   * @param systemId
   * @param notificationRepository
   */
  static build(
    systemId: string,
    notificationRepository: NotificationRepository = new RedisNotificationRepository()
  ) {
    const shuttleRepository = new UnoptimizedInMemoryShuttleRepository();
    const shuttleDataLoader = new TimedApiBasedShuttleRepositoryLoader(systemId, shuttleRepository);

    const notificationScheduler = new ETANotificationScheduler(shuttleRepository, notificationRepository);

    const system = new System(
      systemId,
      shuttleDataLoader,
      shuttleRepository,
      notificationScheduler,
      notificationRepository,
    );
    return system;
  }
}