import { singleton } from '../decorators/singleton'
import { PuzzleCategory } from '../models/content/PuzzleCategory'

/**
 * 用于缓存所有题目的分类
 */
@singleton
export class QCategoryCache {
  private _cache:Map<string, string> = new Map()


  public async init() {
    this._cache = await PuzzleCategory.allCateMap()
  }

  /**
   * 根据id获取分类名
   * @param {string} id
   * @return {string}
   */
  public getType(id: string): string {
    return this._cache.has(id)? this._cache.get(id) : ''
  }
}