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peertube/server/initializers/migrations/0450-streaming-playlist-files.ts
2019-11-25 10:59:45 +01:00

115 lines
3.9 KiB
TypeScript

import * as Sequelize from 'sequelize'
import { join } from 'path'
import { HLS_STREAMING_PLAYLIST_DIRECTORY, WEBSERVER } from '@server/initializers/constants'
import { CONFIG } from '@server/initializers/config'
import { pathExists, stat, writeFile } from 'fs-extra'
import * as parseTorrent from 'parse-torrent'
import { createTorrentPromise } from '@server/helpers/webtorrent'
async function up (utils: {
transaction: Sequelize.Transaction,
queryInterface: Sequelize.QueryInterface,
sequelize: Sequelize.Sequelize,
db: any
}): Promise<void> {
{
const data = {
type: Sequelize.INTEGER,
allowNull: true,
references: {
model: 'videoStreamingPlaylist',
key: 'id'
},
onDelete: 'CASCADE'
}
await utils.queryInterface.addColumn('videoFile', 'videoStreamingPlaylistId', data)
}
{
const data = {
type: Sequelize.INTEGER,
allowNull: true
}
await utils.queryInterface.changeColumn('videoFile', 'videoId', data)
}
{
await utils.queryInterface.removeIndex('videoFile', 'video_file_video_id_resolution_fps')
}
{
const query = 'insert into "videoFile" ' +
'(resolution, size, "infoHash", "videoId", "createdAt", "updatedAt", fps, extname, "videoStreamingPlaylistId")' +
'(SELECT "videoFile".resolution, "videoFile".size, \'fake\', NULL, "videoFile"."createdAt", "videoFile"."updatedAt", "videoFile"."fps", ' +
'"videoFile".extname, "videoStreamingPlaylist".id FROM "videoStreamingPlaylist" ' +
'inner join video ON video.id = "videoStreamingPlaylist"."videoId" inner join "videoFile" ON "videoFile"."videoId" = video.id)'
await utils.sequelize.query(query, { transaction: utils.transaction })
}
{
const query = 'select "videoFile".id as id, "videoFile".resolution as resolution, "video".uuid as uuid from "videoFile" ' +
'inner join "videoStreamingPlaylist" ON "videoStreamingPlaylist".id = "videoFile"."videoStreamingPlaylistId" ' +
'inner join video ON video.id = "videoStreamingPlaylist"."videoId" ' +
'WHERE video.remote IS FALSE'
const options = {
type: Sequelize.QueryTypes.SELECT,
transaction: utils.transaction
}
const res = await utils.sequelize.query(query, options)
for (const row of res) {
const videoFilename = `${row['uuid']}-${row['resolution']}-fragmented.mp4`
const videoFilePath = join(HLS_STREAMING_PLAYLIST_DIRECTORY, row['uuid'], videoFilename)
if (!await pathExists(videoFilePath)) {
console.warn('Cannot generate torrent of %s: file does not exist.', videoFilePath)
continue
}
const createTorrentOptions = {
// Keep the extname, it's used by the client to stream the file inside a web browser
name: `video ${row['uuid']}`,
createdBy: 'PeerTube',
announceList: [
[ WEBSERVER.WS + '://' + WEBSERVER.HOSTNAME + ':' + WEBSERVER.PORT + '/tracker/socket' ],
[ WEBSERVER.URL + '/tracker/announce' ]
],
urlList: [ WEBSERVER.URL + join(HLS_STREAMING_PLAYLIST_DIRECTORY, row['uuid'], videoFilename) ]
}
const torrent = await createTorrentPromise(videoFilePath, createTorrentOptions)
const torrentName = `${row['uuid']}-${row['resolution']}-hls.torrent`
const filePath = join(CONFIG.STORAGE.TORRENTS_DIR, torrentName)
await writeFile(filePath, torrent)
const parsedTorrent = parseTorrent(torrent)
const infoHash = parsedTorrent.infoHash
const stats = await stat(videoFilePath)
const size = stats.size
const queryUpdate = 'UPDATE "videoFile" SET "infoHash" = ?, "size" = ? WHERE id = ?'
const options = {
type: Sequelize.QueryTypes.UPDATE,
replacements: [ infoHash, size, row['id'] ],
transaction: utils.transaction
}
await utils.sequelize.query(queryUpdate, options)
}
}
}
function down (options) {
throw new Error('Not implemented.')
}
export {
up,
down
}