server/initializers/migrations/0030-video-magnet.js

   1 /*
   2   Change video magnet structures
   3 */
   4
   5 const each = require('async/each')
   6 const magnet = require('magnet-uri')
   7 const mongoose = require('mongoose')
   8
   9 const Video = mongoose.model('Video')
  10
  11 exports.up = function (callback) {
  12   // Use of lean because the new Video scheme does not have magnetUri field
  13   Video.find({ }).lean().exec(function (err, videos) {
  14     if (err) throw err
  15
  16     each(videos, function (video, callbackEach) {
  17       const parsed = magnet.decode(video.magnetUri)
  18       const infoHash = parsed.infoHash
  19
  20       Video.load(video._id, function (err, videoObj) {
  21         if (err) return callbackEach(err)
  22
  23         videoObj.magnet.infoHash = infoHash
  24         videoObj.save(callbackEach)
  25       })
  26     }, callback)
  27   })
  28 }
  29
  30 exports.down = function (callback) {
  31   throw new Error('Not implemented.')
  32 }