@axolo/node-wechat/src/cache.js

Wechat OpenAPI Node.js SDK.

'use strict';

const cacheManager = require('cache-manager');

class WechatSdkCache {
  constructor(config = {}) {
    const { manager = cacheManager } = config;
    this.cache = manager.caching(config);
  }

  /**
   * **获取缓存**
   *
   * @param {string} key  键
   * @return {promise}    缓存
   * @memberof WechatSdkCache
   */
  get(key) {
    const { cache } = this;
    return new Promise((resolve, reject) => {
      cache.get(key, (err, res) => {
        if (err) return reject(err);
        return resolve(res);
      });
    });
  }

  /**
   * **设置缓存**
   *
   * @param {string} key      键
   * @param {any} val         值
   * @param {object} options  选项
   * @return {promise}        缓存
   * @memberof WechatSdkCache
   */
  set(key, val, options) {
    const { cache } = this;
    return new Promise((resolve, reject) => {
      cache.set(key, val, options, err => {
        if (err) return reject(err);
        cache.get(key, (err, res) => {
          if (err) return reject(err);
          return resolve(res);
        });
      });
    });
  }
}

module.exports = WechatSdkCache;