mirror of
				https://github.com/advplyr/audiobookshelf.git
				synced 2025-10-27 11:18:14 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			495 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			495 lines
		
	
	
		
			19 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 = []
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Get open session by id
 | 
						|
   *
 | 
						|
   * @param {string} sessionId
 | 
						|
   * @returns {PlaybackSession}
 | 
						|
   */
 | 
						|
  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/LibraryItemController').LibraryItemControllerRequest} 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.deviceModel.getOldDeviceByDeviceId(clientDeviceInfo.deviceId)
 | 
						|
      if (existingDevice) {
 | 
						|
        if (existingDevice.update(deviceInfo)) {
 | 
						|
          await Database.deviceModel.updateFromOld(existingDevice)
 | 
						|
        }
 | 
						|
        return existingDevice
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    await Database.deviceModel.createFromOld(deviceInfo)
 | 
						|
 | 
						|
    return deviceInfo
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   *
 | 
						|
   * @param {import('../controllers/LibraryItemController').LibraryItemControllerRequest} 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}) (updatedAt: ${sessionJson.updatedAt})`)
 | 
						|
      const result = await this.syncLocalSession(user, sessionJson, deviceInfo)
 | 
						|
      syncResults.push(result)
 | 
						|
    }
 | 
						|
 | 
						|
    res.json({
 | 
						|
      results: syncResults
 | 
						|
    })
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   *
 | 
						|
   * @param {import('../models/User')} user
 | 
						|
   * @param {*} sessionJson
 | 
						|
   * @param {*} deviceInfo
 | 
						|
   * @returns
 | 
						|
   */
 | 
						|
  async syncLocalSession(user, sessionJson, deviceInfo) {
 | 
						|
    // TODO: Combine libraryItem query with library query
 | 
						|
    const libraryItem = await Database.libraryItemModel.getExpandedById(sessionJson.libraryItemId)
 | 
						|
    const episode = sessionJson.episodeId && libraryItem && libraryItem.isPodcast ? libraryItem.media.podcastEpisodes.find((pe) => pe.id === sessionJson.episodeId) : null
 | 
						|
    if (!libraryItem || (libraryItem.isPodcast && !episode)) {
 | 
						|
      Logger.error(`[PlaybackSessionManager] syncLocalSession: Media item not found for session "${sessionJson.displayTitle}" (${sessionJson.id})`)
 | 
						|
      return {
 | 
						|
        id: sessionJson.id,
 | 
						|
        success: false,
 | 
						|
        error: 'Media item not found'
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    const library = await Database.libraryModel.findByPk(libraryItem.libraryId)
 | 
						|
    if (!library) {
 | 
						|
      Logger.error(`[PlaybackSessionManager] syncLocalSession: Library not found for session "${sessionJson.displayTitle}" (${sessionJson.id})`)
 | 
						|
      return {
 | 
						|
        id: sessionJson.id,
 | 
						|
        success: false,
 | 
						|
        error: 'Library not found'
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    sessionJson.userId = user.id
 | 
						|
    sessionJson.serverVersion = serverVersion
 | 
						|
 | 
						|
    // TODO: Temp update local playback session id to uuidv4 & library item/book/episode ids
 | 
						|
    if (sessionJson.id?.startsWith('play_local_')) {
 | 
						|
      if (!this.oldPlaybackSessionMap[sessionJson.id]) {
 | 
						|
        const newSessionId = uuidv4()
 | 
						|
        this.oldPlaybackSessionMap[sessionJson.id] = newSessionId
 | 
						|
        sessionJson.id = newSessionId
 | 
						|
      } else {
 | 
						|
        sessionJson.id = this.oldPlaybackSessionMap[sessionJson.id]
 | 
						|
      }
 | 
						|
    }
 | 
						|
    if (sessionJson.libraryItemId !== libraryItem.id) {
 | 
						|
      Logger.info(`[PlaybackSessionManager] Mapped old libraryItemId "${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 ${episode.id}`)
 | 
						|
      sessionJson.episodeId = episode.id
 | 
						|
    }
 | 
						|
    if (sessionJson.libraryId !== libraryItem.libraryId) {
 | 
						|
      sessionJson.libraryId = libraryItem.libraryId
 | 
						|
    }
 | 
						|
 | 
						|
    let session = await Database.getPlaybackSession(sessionJson.id)
 | 
						|
    if (!session) {
 | 
						|
      // New session from local
 | 
						|
      session = new PlaybackSession(sessionJson)
 | 
						|
      session.deviceInfo = deviceInfo
 | 
						|
 | 
						|
      if (session.mediaMetadata == null) {
 | 
						|
        session.mediaMetadata = {}
 | 
						|
      }
 | 
						|
 | 
						|
      // Populate mediaMetadata with the current library items metadata for any keys not set by client
 | 
						|
      const libraryItemMediaMetadata = libraryItem.media.oldMetadataToJSON()
 | 
						|
      for (const key in libraryItemMediaMetadata) {
 | 
						|
        if (session.mediaMetadata[key] === undefined) {
 | 
						|
          session.mediaMetadata[key] = libraryItemMediaMetadata[key]
 | 
						|
        }
 | 
						|
      }
 | 
						|
 | 
						|
      if (session.displayTitle == null || session.displayTitle === '') {
 | 
						|
        session.displayTitle = libraryItem.title
 | 
						|
      }
 | 
						|
      if (session.displayAuthor == null || session.displayAuthor === '') {
 | 
						|
        session.displayAuthor = libraryItem.authorNamesFirstLast
 | 
						|
      }
 | 
						|
      session.duration = libraryItem.media.getPlaybackDuration(sessionJson.episodeId)
 | 
						|
 | 
						|
      Logger.debug(`[PlaybackSessionManager] Inserting new session for "${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}" (${session.id})`)
 | 
						|
      await Database.updatePlaybackSession(session)
 | 
						|
    }
 | 
						|
 | 
						|
    const result = {
 | 
						|
      id: session.id,
 | 
						|
      success: true,
 | 
						|
      progressSynced: false
 | 
						|
    }
 | 
						|
 | 
						|
    const mediaItemId = session.episodeId || libraryItem.media.id
 | 
						|
    let userProgressForItem = user.getMediaProgress(mediaItemId)
 | 
						|
    if (userProgressForItem) {
 | 
						|
      if (userProgressForItem.updatedAt.valueOf() > session.updatedAt) {
 | 
						|
        Logger.info(`[PlaybackSessionManager] Not updating progress for "${session.displayTitle}" because it has been updated more recently (${userProgressForItem.updatedAt.valueOf()} > ${session.updatedAt}) (incoming currentTime: ${session.currentTime}) (current currentTime: ${userProgressForItem.currentTime})`)
 | 
						|
      } else {
 | 
						|
        Logger.info(`[PlaybackSessionManager] Updating progress for "${session.displayTitle}" with current time ${session.currentTime} (previously ${userProgressForItem.currentTime})`)
 | 
						|
        const updateResponse = await user.createUpdateMediaProgressFromPayload({
 | 
						|
          libraryItemId: libraryItem.id,
 | 
						|
          episodeId: session.episodeId,
 | 
						|
          ...session.mediaProgressObject,
 | 
						|
          markAsFinishedPercentComplete: library.librarySettings.markAsFinishedPercentComplete,
 | 
						|
          markAsFinishedTimeRemaining: library.librarySettings.markAsFinishedTimeRemaining
 | 
						|
        })
 | 
						|
        result.progressSynced = !!updateResponse.mediaProgress
 | 
						|
        if (result.progressSynced) {
 | 
						|
          userProgressForItem = updateResponse.mediaProgress
 | 
						|
        }
 | 
						|
      }
 | 
						|
    } else {
 | 
						|
      Logger.info(`[PlaybackSessionManager] Creating new media progress for media item "${session.displayTitle}"`)
 | 
						|
      const updateResponse = await user.createUpdateMediaProgressFromPayload({
 | 
						|
        libraryItemId: libraryItem.id,
 | 
						|
        episodeId: session.episodeId,
 | 
						|
        ...session.mediaProgressObject,
 | 
						|
        markAsFinishedPercentComplete: library.librarySettings.markAsFinishedPercentComplete,
 | 
						|
        markAsFinishedTimeRemaining: library.librarySettings.markAsFinishedTimeRemaining
 | 
						|
      })
 | 
						|
      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('../models/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: ${session.deviceDescription})`)
 | 
						|
      await this.closeSession(user, session, null)
 | 
						|
    }
 | 
						|
 | 
						|
    const shouldDirectPlay = options.forceDirectPlay || (!options.forceTranscode && libraryItem.media.checkCanDirectPlay(options.supportedMimeTypes, episodeId))
 | 
						|
    const mediaPlayer = options.mediaPlayer || 'unknown'
 | 
						|
 | 
						|
    const mediaItemId = episodeId || libraryItem.media.id
 | 
						|
    const userProgress = user.getMediaProgress(mediaItemId)
 | 
						|
    let userStartTime = 0
 | 
						|
    if (userProgress) {
 | 
						|
      if (userProgress.isFinished) {
 | 
						|
        Logger.info(`[PlaybackSessionManager] Starting session for user "${user.username}" and resetting progress for finished item "${libraryItem.media.title}"`)
 | 
						|
        // Keep userStartTime as 0 so the client restarts the media
 | 
						|
      } else {
 | 
						|
        userStartTime = Number.parseFloat(userProgress.currentTime) || 0
 | 
						|
      }
 | 
						|
    }
 | 
						|
    const newPlaybackSession = new PlaybackSession()
 | 
						|
    newPlaybackSession.setData(libraryItem, user.id, mediaPlayer, deviceInfo, userStartTime, episodeId)
 | 
						|
 | 
						|
    let audioTracks = []
 | 
						|
    if (shouldDirectPlay) {
 | 
						|
      Logger.debug(`[PlaybackSessionManager] "${user.username}" starting direct play session for item "${libraryItem.id}" with id ${newPlaybackSession.id} (Device: ${newPlaybackSession.deviceDescription})`)
 | 
						|
      audioTracks = libraryItem.getTrackList(episodeId)
 | 
						|
      newPlaybackSession.playMethod = PlayMethod.DIRECTPLAY
 | 
						|
    } else {
 | 
						|
      Logger.debug(`[PlaybackSessionManager] "${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: ${newPlaybackSession.deviceDescription})`)
 | 
						|
        newPlaybackSession.stream = null
 | 
						|
      })
 | 
						|
    }
 | 
						|
    newPlaybackSession.audioTracks = audioTracks
 | 
						|
 | 
						|
    this.sessions.push(newPlaybackSession)
 | 
						|
    SocketAuthority.adminEmitter('user_stream_update', user.toJSONForPublic(this.sessions))
 | 
						|
 | 
						|
    return newPlaybackSession
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   *
 | 
						|
   * @param {import('../models/User')} user
 | 
						|
   * @param {*} session
 | 
						|
   * @param {*} syncData
 | 
						|
   * @returns {Promise<boolean>}
 | 
						|
   */
 | 
						|
  async syncSession(user, session, syncData) {
 | 
						|
    // TODO: Combine libraryItem query with library query
 | 
						|
    const libraryItem = await Database.libraryItemModel.getExpandedById(session.libraryItemId)
 | 
						|
    if (!libraryItem) {
 | 
						|
      Logger.error(`[PlaybackSessionManager] syncSession Library Item not found "${session.libraryItemId}"`)
 | 
						|
      return false
 | 
						|
    }
 | 
						|
 | 
						|
    const library = await Database.libraryModel.findByPk(libraryItem.libraryId)
 | 
						|
    if (!library) {
 | 
						|
      Logger.error(`[PlaybackSessionManager] syncSession Library not found "${libraryItem.libraryId}"`)
 | 
						|
      return false
 | 
						|
    }
 | 
						|
 | 
						|
    session.currentTime = syncData.currentTime
 | 
						|
    session.addListeningTime(syncData.timeListened)
 | 
						|
    Logger.debug(`[PlaybackSessionManager] syncSession "${session.id}" (Device: ${session.deviceDescription}) | Total Time Listened: ${session.timeListening}`)
 | 
						|
 | 
						|
    const updateResponse = await user.createUpdateMediaProgressFromPayload({
 | 
						|
      libraryItemId: libraryItem.id,
 | 
						|
      episodeId: session.episodeId,
 | 
						|
      // duration no longer required (v2.15.1) but used if available
 | 
						|
      duration: syncData.duration || session.duration || 0,
 | 
						|
      currentTime: syncData.currentTime,
 | 
						|
      progress: session.progress,
 | 
						|
      markAsFinishedTimeRemaining: library.librarySettings.markAsFinishedTimeRemaining,
 | 
						|
      markAsFinishedPercentComplete: library.librarySettings.markAsFinishedPercentComplete
 | 
						|
    })
 | 
						|
    if (updateResponse.mediaProgress) {
 | 
						|
      SocketAuthority.clientEmitter(user.id, 'user_item_progress_updated', {
 | 
						|
        id: updateResponse.mediaProgress.id,
 | 
						|
        sessionId: session.id,
 | 
						|
        deviceDescription: session.deviceDescription,
 | 
						|
        data: updateResponse.mediaProgress.getOldMediaProgress()
 | 
						|
      })
 | 
						|
    }
 | 
						|
    this.saveSession(session)
 | 
						|
 | 
						|
    return true
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   *
 | 
						|
   * @param {import('../models/User')} user
 | 
						|
   * @param {*} session
 | 
						|
   * @param {*} syncData
 | 
						|
   * @returns
 | 
						|
   */
 | 
						|
  async closeSession(user, session, syncData = null) {
 | 
						|
    if (syncData) {
 | 
						|
      await this.syncSession(user, session, syncData)
 | 
						|
    } else {
 | 
						|
      await this.saveSession(session)
 | 
						|
    }
 | 
						|
    Logger.debug(`[PlaybackSessionManager] closeSession "${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
 |