Class FetchAPIManager

web/packages/shared/util/fetch.ts:256–348

 * 单例模式
 */
export class FetchAPIManager {
  private static instance: FetchAPIManager;

  /**
   * 获取 FetchAPIManager 实例
   * @param url API URL
   * @param fm fetchManager
   * @returns FetchAPIManager实例
   */
  static getInstance(url: string, fm = fetchManager) {
    if (!FetchAPIManager.instance || FetchAPIManager.instance.url !== url) {
      FetchAPIManager.instance = new FetchAPIManager(url, fm);
    }
    return FetchAPIManager.instance;
  }

  private url: string;
  private fm: FetchManager;

  constructor(url: string, fm = fetchManager) {
    this.url = url.charAt(url.length - 1) === '/' ? url : `${url}/`;
    this.fm = fm;
  }

  /**
   * 获取实例列表
   * @param data 筛选参数
   * @param custom FetchCustomParams
   * @returns Promise
   */
  get = (data?: any, custom?: FetchCustomParams) => this.fm.get(this.url, data, custom);

  /**
   * 创建实例
   * @param data 数据
   * @param custom FetchCustomParams
   * @returns Promise
   */
  create = (data: any, custom?: FetchCustomParams) => this.fm.post(this.url, data, custom);

  /**
   * 获取实例详情
   * @param id 实例ID
   * @param data 参数
   * @param custom FetchCustomParams
   * @returns Promise
   */
  getDetail = (id: number | string, data?: any, custom?: FetchCustomParams) => this.fm.get(`${this.url}${id}/`, data, custom);

  /**
   * 更新实例
   * @param id 实例ID
   * @param data 更新数据
   * @param custom FetchCustomParams
   * @returns Promise
   */
  update = (id: number | string, data: any, custom?: FetchCustomParams) => this.fm.put(`${this.url}${id}/`, data, custom);