app.js

'use strict';
const path = require('path');
const Cache = require('js-cache');
class AppBootHook {
  constructor(app) {
    this.app = app;
  }

  beforeStart() {
    this.app.runSchedule('backup_data');
  }

  configWillLoad() {
    this.app.loader.loadFile(
      path.join(this.app.config.baseDir, 'app/bootstrap/index.js')
    );
    const ctx = this.app.createAnonymousContext();
    this.app.nunjucks.addExtension('remote', new remote(ctx));
    this.app.nunjucks.addExtension('HeaderExtension', new HeaderExtension(ctx));
    this.app.nunjucks.addExtension('AssetsExtension', new AssetsExtension(ctx));
    this.app.nunjucks.addExtension(
      'PluginsExtension',
      new PluginsExtension(ctx)
    );
    this.app.nunjucks.addExtension('recommend', new recommend(ctx));
    this.app.nunjucks.addExtension('hot', new hot(ctx));
    this.app.nunjucks.addExtension('news', new news(ctx));
    this.app.nunjucks.addExtension('random', new random(ctx));
    this.app.nunjucks.addExtension('near_post', new near_post(ctx));
    this.app.nunjucks.addExtension('tags', new tags(ctx));
    this.app.nunjucks.addExtension('hottags', new hottags(ctx));
    this.app.nunjucks.addExtension('ads', new ads(ctx));
    this.app.nunjucks.addExtension('navtree', new navtree(ctx));
    this.app.nunjucks.addExtension('childnav', new childnav(ctx));
  }

  async willReady() {
    // 请将你的应用项目中 app.beforeStart 中的代码置于此处。
  }

  async didReady() {
    const _theApp = this.app;
    _theApp.cache = new Cache();
    // 缓存设置
    _theApp.messenger.on('refreshCache', (by) => {
      _theApp.logger.info('start update by %s', by);
      const ctx = _theApp.createAnonymousContext();
      ctx.runInBackground(async () => {
        const { key, value, time } = by;
        _theApp.cache.set(key, value, time);
      });
    });
    // 缓存清除
    _theApp.messenger.on('clearCache', (by) => {
      _theApp.logger.info('start clear by %s', by);
      const ctx = _theApp.createAnonymousContext();
      ctx.runInBackground(async () => {
        const { key } = by;
        key && _theApp.cache.del(key);
      });
    });
    // 应用初始化
    const thisCtx = this.app.createAnonymousContext();
    this.app.init(thisCtx);
  }
}

module.exports = AppBootHook;