uploadCallback (file) {
    // TODO: Integrate dropbox with its SDK
    // TODO: Pass the link to the editor
    console.log('file', file)
    this.getBase64(file, this)
  }
  getBase64 (file, self) {
    const reader = new FileReader()
    reader.readAsDataURL(file)
    reader.onload = function () {
      console.log('reader.result', reader.result)
      self.sendFileToServer(reader.result)
    }
    reader.onerror = function (error) {
      console.log('Error: ', error)
    }
  }
  sendFileToServer (base64File) {
    return new Promise(
      (resolve, reject) => {
        console.log('uploadCallback promise')
        Meteor.call('uploadToDropbox', base64File, function (error, result) {
          console.log('uploadToDropbox callback')
          if (error) {
            console.log('error', error)
          }
          if (result) {
            console.log('result', result)
          }
        })
      }
    )
  }

import { Meteor } from 'meteor/meteor'
import Dropbox from 'dropbox'
// import atob from 'atob'
import FileAPI from 'file-api'

const { File } = FileAPI

console.log('dropbox settings', Meteor.settings.dropbox)
const dbx = new Dropbox({accessToken: Meteor.settings.dropbox.accessToken})

Meteor.methods({
  'uploadToDropbox': function (base64File) {
    console.log('base64File', base64File.slice(5))
    const b64 = base64File.split(',')
    const name = `${Math.random().toString(36).slice(-5)}.png`
    const file = new File({buffer: new Buffer(b64[1]), name, type: 'image/png'})
    console.log('file', file)
    dbx.filesUpload({path: '/' + file.name, contents: file.buffer})
      .then(function (response) {
        console.log(response)
      })
      .catch(function (error) {
        console.error('dropbox error', error)
      })
    return false
  }
})

const i = base64File.indexOf('base64,');
const buffer = Buffer.from(base64File.slice(i + 7), 'base64');
const file = new File({buffer: buffer, name, type: 'image/png'});