setRandomWallPaper.js

import request from 'request'
import fs from 'fs'
import setWallpaper from './setWallpaper'
import { localDataLocation } from './localDataLocation'
const listLocation = 'https://raw.githubusercontent.com/limhenry/earthview/master/earthview.json'
const dataloc = localDataLocation()
export default (cb) => {
  request({
    url: listLocation,
    json: true
  },
  (error, response, body) => {
    if (!error && response.statusCode === 200) {
      // List loaded
      const list = body
      // Choose random image (+data)
      const listObj = list[Math.round(Math.random() * list.length)]
      const url = listObj.image
      const downloadloc = `${dataloc}/${url.split('/')[url.split('/').length - 1]}`
      // const downloadloc = `./images/bg.jpg`
      fs.createWriteStream(downloadloc)
      // console.log('wallpaper download')
      request(url, { encoding: 'binary' }, function (error, response, body) {
        if (!error) {
          fs.writeFile(downloadloc, body, 'binary', async function (err) {
            if (!err) {
            // console.log('download complete')
            // Image downloaded
            // Set as wallpaper
              setWallpaper(downloadloc, (err) => {
                if (!err) {
                  // console.log('wallpaper set')
                  // Remove file
                  fs.unlink(downloadloc, (err) => {
                    if (err) {
                      console.error(err)
                      return
                    }
                    // console.log('wallpaper file removed')
                    // file removed, wallpaper set successfully!
                    // remove old data
                    try {
                      fs.unlinkSync(`${dataloc}/imageData.json`)
                    } catch (err) {
                    }
                    // file removed
                    // console.log('old meta removed')
                    // save data about wallpaper
                    fs.writeFile(`${dataloc}/imageData.json`, JSON.stringify(listObj), function (err) {
                      if (err) {
                        console.log(err)
                      }
                      // FILE SAVED!
                      // console.log('new meta saved')
                      if (cb) {
                        cb() // Callback
                      }
                    })
                  })
                }
              })
            }
          })
        }
      })
    }
  })
}