6fedcom / juejin-ariticle-liked-helper

import express from 'express'
import { NextFunction, Request, Response } from 'express' // express申明文件定义的类型

import * as listController from './controllers/list'
const app: express.Application = express()

app.get('/api/getList/:userId', listController.getLikeList)

app.use(function (err: Error, req: Request, res: Response, next: NextFunction) {
  return res.sendStatus(500)
})

app.listen(8001, function () {
  console.log(`the server is start at port 8001`)
})

export default app

const request = require('superagent')
export const getLikeList = (
  req: Request,
  res: Response,
  next: NextFunction
) => {
  let result: any = []
  let { userId } = req.params
  let url = `https://user-like-wrapper-ms.juejin.im/v1/user/${userId}/like/entry`
  request
    .get(`${url}?page=0&pageSize=${pageSize}`)
    .set('X-Juejin-Src', 'web')
    .end((err, res) => {
      if (err) {
        return console.log(err)
      }

      let entryList = res.body.d.entryList
      const total = res.body.d.total
      let pages = Math.ceil(total / pageSize)
      entryList = handleResult(entryList)

      let promiseList: any[] = []
      for (let i = 1; i <= pages; i++) {
        promiseList.push(
          new Promise((resolve, reject) => {
            request
              .get(`${url}?page=${i}&pageSize=${pageSize}`)
              .set('X-Juejin-Src', 'web')
              .end((err, res) => {
                if (err) {
                  return console.log(err)
                }
                let entryList2 = JSON.parse(res.text).d.entryList
                entryList2 = handleResult(entryList2)
                resolve(entryList2)
              })
          })
        )
      }

      Promise.all(promiseList).then((rspList: any) => {
        result = [...entryList, ...flatten(rspList)]
      })
    })
}