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

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/*
Change video magnet structures
*/
const each = require('async/each')
const magnet = require('magnet-uri')
const mongoose = require('mongoose')
const Video = mongoose.model('Video')
exports.up = function (callback) {
// Use of lean because the new Video scheme does not have magnetUri field
Video.find({ }).lean().exec(function (err, videos) {
if (err) throw err
each(videos, function (video, callbackEach) {
const parsed = magnet.decode(video.magnetUri)
const infoHash = parsed.infoHash
Video.load(video._id, function (err, videoObj) {
if (err) return callbackEach(err)
videoObj.magnet.infoHash = infoHash
videoObj.save(callbackEach)
})
}, callback)
})
}
exports.down = function (callback) {
throw new Error('Not implemented.')
}