mirror of
https://github.com/advplyr/audiobookshelf.git
synced 2024-12-20 19:06:06 +01:00
444 lines
16 KiB
JavaScript
444 lines
16 KiB
JavaScript
const uuidv4 = require('uuid').v4
|
|
const Path = require('path')
|
|
const serverVersion = require('../../package.json').version
|
|
const Logger = require('../Logger')
|
|
const SocketAuthority = require('../SocketAuthority')
|
|
const Database = require('../Database')
|
|
|
|
const date = require('../libs/dateAndTime')
|
|
const fs = require('../libs/fsExtra')
|
|
const uaParserJs = require('../libs/uaParser')
|
|
const requestIp = require('../libs/requestIp')
|
|
|
|
const { PlayMethod } = require('../utils/constants')
|
|
|
|
const PlaybackSession = require('../objects/PlaybackSession')
|
|
const DeviceInfo = require('../objects/DeviceInfo')
|
|
const Stream = require('../objects/Stream')
|
|
|
|
class PlaybackSessionManager {
|
|
constructor() {
|
|
this.StreamsPath = Path.join(global.MetadataPath, 'streams')
|
|
|
|
this.oldPlaybackSessionMap = {} // TODO: Remove after updated mobile versions
|
|
|
|
/** @type {PlaybackSession[]} */
|
|
this.sessions = []
|
|
}
|
|
|
|
getSession(sessionId) {
|
|
return this.sessions.find((s) => s.id === sessionId)
|
|
}
|
|
getUserSession(userId) {
|
|
return this.sessions.find((s) => s.userId === userId)
|
|
}
|
|
getStream(sessionId) {
|
|
const session = this.getSession(sessionId)
|
|
return session?.stream || null
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {import('../controllers/SessionController').RequestWithUser} req
|
|
* @param {Object} [clientDeviceInfo]
|
|
* @returns {Promise<DeviceInfo>}
|
|
*/
|
|
async getDeviceInfo(req, clientDeviceInfo = null) {
|
|
const ua = uaParserJs(req.headers['user-agent'])
|
|
const ip = requestIp.getClientIp(req)
|
|
|
|
const deviceInfo = new DeviceInfo()
|
|
deviceInfo.setData(ip, ua, clientDeviceInfo, serverVersion, req.user?.id)
|
|
|
|
if (clientDeviceInfo?.deviceId) {
|
|
const existingDevice = await Database.getDeviceByDeviceId(clientDeviceInfo.deviceId)
|
|
if (existingDevice) {
|
|
if (existingDevice.update(deviceInfo)) {
|
|
await Database.updateDevice(existingDevice)
|
|
}
|
|
return existingDevice
|
|
}
|
|
}
|
|
|
|
await Database.createDevice(deviceInfo)
|
|
|
|
return deviceInfo
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {import('../controllers/SessionController').RequestWithUser} req
|
|
* @param {import('express').Response} res
|
|
* @param {string} [episodeId]
|
|
*/
|
|
async startSessionRequest(req, res, episodeId) {
|
|
const deviceInfo = await this.getDeviceInfo(req, req.body?.deviceInfo)
|
|
Logger.debug(`[PlaybackSessionManager] startSessionRequest for device ${deviceInfo.deviceDescription}`)
|
|
const { libraryItem, body: options } = req
|
|
const session = await this.startSession(req.user, deviceInfo, libraryItem, episodeId, options)
|
|
res.json(session.toJSONForClient(libraryItem))
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {import('../models/User')} user
|
|
* @param {*} session
|
|
* @param {*} payload
|
|
* @param {import('express').Response} res
|
|
*/
|
|
async syncSessionRequest(user, session, payload, res) {
|
|
if (await this.syncSession(user, session, payload)) {
|
|
res.sendStatus(200)
|
|
} else {
|
|
res.sendStatus(500)
|
|
}
|
|
}
|
|
|
|
async syncLocalSessionsRequest(req, res) {
|
|
const deviceInfo = await this.getDeviceInfo(req, req.body?.deviceInfo)
|
|
const user = req.user
|
|
const sessions = req.body.sessions || []
|
|
|
|
const syncResults = []
|
|
for (const sessionJson of sessions) {
|
|
Logger.info(`[PlaybackSessionManager] Syncing local session "${sessionJson.displayTitle}" (${sessionJson.id})`)
|
|
const result = await this.syncLocalSession(user, sessionJson, deviceInfo)
|
|
syncResults.push(result)
|
|
}
|
|
|
|
res.json({
|
|
results: syncResults
|
|
})
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {import('../models/User')} user
|
|
* @param {*} sessionJson
|
|
* @param {*} deviceInfo
|
|
* @returns
|
|
*/
|
|
async syncLocalSession(user, sessionJson, deviceInfo) {
|
|
const libraryItem = await Database.libraryItemModel.getOldById(sessionJson.libraryItemId)
|
|
const episode = sessionJson.episodeId && libraryItem && libraryItem.isPodcast ? libraryItem.media.getEpisode(sessionJson.episodeId) : null
|
|
if (!libraryItem || (libraryItem.isPodcast && !episode)) {
|
|
Logger.error(`[PlaybackSessionManager] syncLocalSession: Media item not found for session "${sessionJson.displayTitle}" (${sessionJson.id})`)
|
|
return {
|
|
id: sessionJson.id,
|
|
success: false,
|
|
error: 'Media item not found'
|
|
}
|
|
}
|
|
|
|
sessionJson.userId = user.id
|
|
sessionJson.serverVersion = serverVersion
|
|
|
|
// TODO: Temp update local playback session id to uuidv4 & library item/book/episode ids
|
|
if (sessionJson.id?.startsWith('play_local_')) {
|
|
if (!this.oldPlaybackSessionMap[sessionJson.id]) {
|
|
const newSessionId = uuidv4()
|
|
this.oldPlaybackSessionMap[sessionJson.id] = newSessionId
|
|
sessionJson.id = newSessionId
|
|
} else {
|
|
sessionJson.id = this.oldPlaybackSessionMap[sessionJson.id]
|
|
}
|
|
}
|
|
if (sessionJson.libraryItemId !== libraryItem.id) {
|
|
Logger.info(`[PlaybackSessionManager] Mapped old libraryItemId "${sessionJson.libraryItemId}" to ${libraryItem.id}`)
|
|
sessionJson.libraryItemId = libraryItem.id
|
|
sessionJson.bookId = episode ? null : libraryItem.media.id
|
|
}
|
|
if (!sessionJson.bookId && !episode) {
|
|
sessionJson.bookId = libraryItem.media.id
|
|
}
|
|
if (episode && sessionJson.episodeId !== episode.id) {
|
|
Logger.info(`[PlaybackSessionManager] Mapped old episodeId "${sessionJson.episodeId}" to ${episode.id}`)
|
|
sessionJson.episodeId = episode.id
|
|
}
|
|
if (sessionJson.libraryId !== libraryItem.libraryId) {
|
|
sessionJson.libraryId = libraryItem.libraryId
|
|
}
|
|
|
|
let session = await Database.getPlaybackSession(sessionJson.id)
|
|
if (!session) {
|
|
// New session from local
|
|
session = new PlaybackSession(sessionJson)
|
|
session.deviceInfo = deviceInfo
|
|
Logger.debug(`[PlaybackSessionManager] Inserting new session for "${session.displayTitle}" (${session.id})`)
|
|
await Database.createPlaybackSession(session)
|
|
} else {
|
|
session.currentTime = sessionJson.currentTime
|
|
session.timeListening = sessionJson.timeListening
|
|
session.updatedAt = sessionJson.updatedAt
|
|
|
|
let jsDate = new Date(sessionJson.updatedAt)
|
|
if (isNaN(jsDate)) {
|
|
jsDate = new Date()
|
|
}
|
|
session.date = date.format(jsDate, 'YYYY-MM-DD')
|
|
session.dayOfWeek = date.format(jsDate, 'dddd')
|
|
|
|
Logger.debug(`[PlaybackSessionManager] Updated session for "${session.displayTitle}" (${session.id})`)
|
|
await Database.updatePlaybackSession(session)
|
|
}
|
|
|
|
const result = {
|
|
id: session.id,
|
|
success: true,
|
|
progressSynced: false
|
|
}
|
|
|
|
const mediaItemId = session.episodeId || libraryItem.media.id
|
|
let userProgressForItem = user.getMediaProgress(mediaItemId)
|
|
if (userProgressForItem) {
|
|
if (userProgressForItem.updatedAt.valueOf() > session.updatedAt) {
|
|
Logger.debug(`[PlaybackSessionManager] Not updating progress for "${session.displayTitle}" because it has been updated more recently`)
|
|
} else {
|
|
Logger.debug(`[PlaybackSessionManager] Updating progress for "${session.displayTitle}" with current time ${session.currentTime} (previously ${userProgressForItem.currentTime})`)
|
|
const updateResponse = await user.createUpdateMediaProgressFromPayload({
|
|
libraryItemId: libraryItem.id,
|
|
episodeId: session.episodeId,
|
|
...session.mediaProgressObject
|
|
})
|
|
result.progressSynced = !!updateResponse.mediaProgress
|
|
if (result.progressSynced) {
|
|
userProgressForItem = updateResponse.mediaProgress
|
|
}
|
|
}
|
|
} else {
|
|
Logger.debug(`[PlaybackSessionManager] Creating new media progress for media item "${session.displayTitle}"`)
|
|
const updateResponse = await user.createUpdateMediaProgressFromPayload({
|
|
libraryItemId: libraryItem.id,
|
|
episodeId: session.episodeId,
|
|
...session.mediaProgressObject
|
|
})
|
|
result.progressSynced = !!updateResponse.mediaProgress
|
|
if (result.progressSynced) {
|
|
userProgressForItem = updateResponse.mediaProgress
|
|
}
|
|
}
|
|
|
|
// Update user and emit socket event
|
|
if (result.progressSynced) {
|
|
SocketAuthority.clientEmitter(user.id, 'user_item_progress_updated', {
|
|
id: userProgressForItem.id,
|
|
sessionId: session.id,
|
|
deviceDescription: session.deviceDescription,
|
|
data: userProgressForItem.getOldMediaProgress()
|
|
})
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {import('../controllers/SessionController').RequestWithUser} req
|
|
* @param {*} res
|
|
*/
|
|
async syncLocalSessionRequest(req, res) {
|
|
const deviceInfo = await this.getDeviceInfo(req, req.body?.deviceInfo)
|
|
const sessionJson = req.body
|
|
const result = await this.syncLocalSession(req.user, sessionJson, deviceInfo)
|
|
if (result.error) {
|
|
res.status(500).send(result.error)
|
|
} else {
|
|
res.sendStatus(200)
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {import('../models/User')} user
|
|
* @param {*} session
|
|
* @param {*} syncData
|
|
* @param {import('express').Response} res
|
|
*/
|
|
async closeSessionRequest(user, session, syncData, res) {
|
|
await this.closeSession(user, session, syncData)
|
|
res.sendStatus(200)
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {import('../models/User')} user
|
|
* @param {DeviceInfo} deviceInfo
|
|
* @param {import('../objects/LibraryItem')} libraryItem
|
|
* @param {string|null} episodeId
|
|
* @param {{forceDirectPlay?:boolean, forceTranscode?:boolean, mediaPlayer:string, supportedMimeTypes?:string[]}} options
|
|
* @returns {Promise<PlaybackSession>}
|
|
*/
|
|
async startSession(user, deviceInfo, libraryItem, episodeId, options) {
|
|
// Close any sessions already open for user and device
|
|
const userSessions = this.sessions.filter((playbackSession) => playbackSession.userId === user.id && playbackSession.deviceId === deviceInfo.id)
|
|
for (const session of userSessions) {
|
|
Logger.info(`[PlaybackSessionManager] startSession: Closing open session "${session.displayTitle}" for user "${user.username}" (Device: ${session.deviceDescription})`)
|
|
await this.closeSession(user, session, null)
|
|
}
|
|
|
|
const shouldDirectPlay = options.forceDirectPlay || (!options.forceTranscode && libraryItem.media.checkCanDirectPlay(options, episodeId))
|
|
const mediaPlayer = options.mediaPlayer || 'unknown'
|
|
|
|
const mediaItemId = episodeId || libraryItem.media.id
|
|
const userProgress = user.getMediaProgress(mediaItemId)
|
|
let userStartTime = 0
|
|
if (userProgress) {
|
|
if (userProgress.isFinished) {
|
|
Logger.info(`[PlaybackSessionManager] Starting session for user "${user.username}" and resetting progress for finished item "${libraryItem.media.metadata.title}"`)
|
|
// Keep userStartTime as 0 so the client restarts the media
|
|
} else {
|
|
userStartTime = Number.parseFloat(userProgress.currentTime) || 0
|
|
}
|
|
}
|
|
const newPlaybackSession = new PlaybackSession()
|
|
newPlaybackSession.setData(libraryItem, user.id, mediaPlayer, deviceInfo, userStartTime, episodeId)
|
|
|
|
let audioTracks = []
|
|
if (shouldDirectPlay) {
|
|
Logger.debug(`[PlaybackSessionManager] "${user.username}" starting direct play session for item "${libraryItem.id}" with id ${newPlaybackSession.id} (Device: ${newPlaybackSession.deviceDescription})`)
|
|
audioTracks = libraryItem.getDirectPlayTracklist(episodeId)
|
|
newPlaybackSession.playMethod = PlayMethod.DIRECTPLAY
|
|
} else {
|
|
Logger.debug(`[PlaybackSessionManager] "${user.username}" starting stream session for item "${libraryItem.id}" (Device: ${newPlaybackSession.deviceDescription})`)
|
|
const stream = new Stream(newPlaybackSession.id, this.StreamsPath, user, libraryItem, episodeId, userStartTime)
|
|
await stream.generatePlaylist()
|
|
stream.start() // Start transcode
|
|
|
|
audioTracks = [stream.getAudioTrack()]
|
|
newPlaybackSession.stream = stream
|
|
newPlaybackSession.playMethod = PlayMethod.TRANSCODE
|
|
|
|
stream.on('closed', () => {
|
|
Logger.debug(`[PlaybackSessionManager] Stream closed for session "${newPlaybackSession.id}" (Device: ${newPlaybackSession.deviceDescription})`)
|
|
newPlaybackSession.stream = null
|
|
})
|
|
}
|
|
newPlaybackSession.audioTracks = audioTracks
|
|
|
|
this.sessions.push(newPlaybackSession)
|
|
SocketAuthority.adminEmitter('user_stream_update', user.toJSONForPublic(this.sessions))
|
|
|
|
return newPlaybackSession
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {import('../models/User')} user
|
|
* @param {*} session
|
|
* @param {*} syncData
|
|
* @returns
|
|
*/
|
|
async syncSession(user, session, syncData) {
|
|
const libraryItem = await Database.libraryItemModel.getOldById(session.libraryItemId)
|
|
if (!libraryItem) {
|
|
Logger.error(`[PlaybackSessionManager] syncSession Library Item not found "${session.libraryItemId}"`)
|
|
return null
|
|
}
|
|
|
|
session.currentTime = syncData.currentTime
|
|
session.addListeningTime(syncData.timeListened)
|
|
Logger.debug(`[PlaybackSessionManager] syncSession "${session.id}" (Device: ${session.deviceDescription}) | Total Time Listened: ${session.timeListening}`)
|
|
|
|
const updateResponse = await user.createUpdateMediaProgressFromPayload({
|
|
libraryItemId: libraryItem.id,
|
|
episodeId: session.episodeId,
|
|
duration: syncData.duration,
|
|
currentTime: syncData.currentTime,
|
|
progress: session.progress
|
|
})
|
|
if (updateResponse.mediaProgress) {
|
|
SocketAuthority.clientEmitter(user.id, 'user_item_progress_updated', {
|
|
id: updateResponse.mediaProgress.id,
|
|
sessionId: session.id,
|
|
deviceDescription: session.deviceDescription,
|
|
data: updateResponse.mediaProgress.getOldMediaProgress()
|
|
})
|
|
}
|
|
this.saveSession(session)
|
|
return {
|
|
libraryItem
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {import('../models/User')} user
|
|
* @param {*} session
|
|
* @param {*} syncData
|
|
* @returns
|
|
*/
|
|
async closeSession(user, session, syncData = null) {
|
|
if (syncData) {
|
|
await this.syncSession(user, session, syncData)
|
|
} else {
|
|
await this.saveSession(session)
|
|
}
|
|
Logger.debug(`[PlaybackSessionManager] closeSession "${session.id}"`)
|
|
SocketAuthority.adminEmitter('user_stream_update', user.toJSONForPublic(this.sessions))
|
|
SocketAuthority.clientEmitter(session.userId, 'user_session_closed', session.id)
|
|
return this.removeSession(session.id)
|
|
}
|
|
|
|
saveSession(session) {
|
|
if (!session.timeListening) return // Do not save a session with no listening time
|
|
|
|
if (session.lastSave) {
|
|
return Database.updatePlaybackSession(session)
|
|
} else {
|
|
session.lastSave = Date.now()
|
|
return Database.createPlaybackSession(session)
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {string} sessionId
|
|
*/
|
|
async removeSession(sessionId) {
|
|
const session = this.sessions.find((s) => s.id === sessionId)
|
|
if (!session) return
|
|
if (session.stream) {
|
|
await session.stream.close()
|
|
}
|
|
this.sessions = this.sessions.filter((s) => s.id !== sessionId)
|
|
Logger.debug(`[PlaybackSessionManager] Removed session "${sessionId}"`)
|
|
}
|
|
|
|
/**
|
|
* Remove all stream folders in `/metadata/streams`
|
|
*/
|
|
async removeOrphanStreams() {
|
|
await fs.ensureDir(this.StreamsPath)
|
|
try {
|
|
const streamsInPath = await fs.readdir(this.StreamsPath)
|
|
for (const streamId of streamsInPath) {
|
|
if (/[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}/.test(streamId)) {
|
|
// Ensure is uuidv4
|
|
const session = this.sessions.find((se) => se.id === streamId)
|
|
if (!session) {
|
|
const streamPath = Path.join(this.StreamsPath, streamId)
|
|
Logger.debug(`[PlaybackSessionManager] Removing orphan stream "${streamPath}"`)
|
|
await fs.remove(streamPath)
|
|
}
|
|
}
|
|
}
|
|
} catch (error) {
|
|
Logger.error(`[PlaybackSessionManager] cleanOrphanStreams failed`, error)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Close all open sessions that have not been updated in the last 36 hours
|
|
*/
|
|
async closeStaleOpenSessions() {
|
|
const updatedAtTimeCutoff = Date.now() - 1000 * 60 * 60 * 36
|
|
const staleSessions = this.sessions.filter((session) => session.updatedAt < updatedAtTimeCutoff)
|
|
for (const session of staleSessions) {
|
|
const sessionLastUpdate = new Date(session.updatedAt)
|
|
Logger.info(`[PlaybackSessionManager] Closing stale session "${session.displayTitle}" (${session.id}) last updated at ${sessionLastUpdate}`)
|
|
await this.removeSession(session.id)
|
|
}
|
|
}
|
|
}
|
|
module.exports = PlaybackSessionManager
|