export class StorageSave implements StorageCommand {
  private task: DataManager = null;

  constructor(task: DataManager) {
    this.task = task;
  }

  async execute(): Promise<ZappEntry[]> {
    return await this.task.saveItem();
  }
}

export class StorageRemove implements StorageCommand {
  private task: DataManager = null;

  constructor(task: DataManager) {
    this.task = task;
  }

  async execute(): Promise<ZappEntry[]> {
    return await this.task.removeItem();
  }
}

export class StorageLoad implements StorageCommand {
  private task: DataManager = null;

  constructor(task: DataManager) {
    this.task = task;
  }

  async execute(): Promise<ZappEntry[]> {
    return await this.task.loadData();
  }
}