audiobookshelf/server/objects/AudioFile.js

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const { isNullOrNaN } = require('../utils/index')
const Logger = require('../Logger')
const AudioFileMetadata = require('./AudioFileMetadata')
class AudioFile {
constructor(data) {
this.index = null
this.ino = null
this.filename = null
this.ext = null
this.path = null
this.fullPath = null
this.addedAt = null
this.trackNumFromMeta = null
this.discNumFromMeta = null
this.trackNumFromFilename = null
this.discNumFromFilename = null
this.format = null
this.duration = null
this.size = null
this.bitRate = null
this.language = null
this.codec = null
this.timeBase = null
this.channels = null
this.channelLayout = null
this.chapters = []
this.embeddedCoverArt = null
// Tags scraped from the audio file
this.metadata = null
this.manuallyVerified = false
this.invalid = false
this.exclude = false
this.error = null
if (data) {
this.construct(data)
}
}
toJSON() {
return {
index: this.index,
ino: this.ino,
filename: this.filename,
ext: this.ext,
path: this.path,
fullPath: this.fullPath,
addedAt: this.addedAt,
trackNumFromMeta: this.trackNumFromMeta,
discNumFromMeta: this.discNumFromMeta,
trackNumFromFilename: this.trackNumFromFilename,
discNumFromFilename: this.discNumFromFilename,
manuallyVerified: !!this.manuallyVerified,
invalid: !!this.invalid,
exclude: !!this.exclude,
error: this.error || null,
format: this.format,
duration: this.duration,
size: this.size,
bitRate: this.bitRate,
language: this.language,
codec: this.codec,
timeBase: this.timeBase,
channels: this.channels,
channelLayout: this.channelLayout,
chapters: this.chapters,
embeddedCoverArt: this.embeddedCoverArt,
metadata: this.metadata ? this.metadata.toJSON() : {}
}
}
construct(data) {
this.index = data.index
this.ino = data.ino
this.filename = data.filename
this.ext = data.ext
this.path = data.path
this.fullPath = data.fullPath
this.addedAt = data.addedAt
this.manuallyVerified = !!data.manuallyVerified
this.invalid = !!data.invalid
this.exclude = !!data.exclude
this.error = data.error || null
this.trackNumFromMeta = data.trackNumFromMeta
this.discNumFromMeta = data.discNumFromMeta
this.trackNumFromFilename = data.trackNumFromFilename
if (data.cdNumFromFilename !== undefined) this.discNumFromFilename = data.cdNumFromFilename // TEMP:Support old var name
else this.discNumFromFilename = data.discNumFromFilename
this.format = data.format
this.duration = data.duration
this.size = data.size
this.bitRate = data.bitRate
this.language = data.language
this.codec = data.codec || null
this.timeBase = data.timeBase
this.channels = data.channels
this.channelLayout = data.channelLayout
this.chapters = data.chapters
this.embeddedCoverArt = data.embeddedCoverArt || null
// Old version of AudioFile used `tagAlbum` etc.
var isOldVersion = Object.keys(data).find(key => key.startsWith('tag'))
if (isOldVersion) {
this.metadata = new AudioFileMetadata(data)
} else {
this.metadata = new AudioFileMetadata(data.metadata || {})
}
}
// New scanner creates AudioFile from AudioFileScanner
setDataFromProbe(fileData, probeData) {
this.index = fileData.index || null
this.ino = fileData.ino || null
this.filename = fileData.filename
this.ext = fileData.ext
this.path = fileData.path
this.fullPath = fileData.fullPath
this.addedAt = Date.now()
this.trackNumFromMeta = fileData.trackNumFromMeta
this.discNumFromMeta = fileData.discNumFromMeta
this.trackNumFromFilename = fileData.trackNumFromFilename
this.discNumFromFilename = fileData.discNumFromFilename
this.format = probeData.format
this.duration = probeData.duration
this.size = probeData.size
this.bitRate = probeData.bitRate || null
this.language = probeData.language
this.codec = probeData.codec || null
this.timeBase = probeData.timeBase
this.channels = probeData.channels
this.channelLayout = probeData.channelLayout
this.chapters = probeData.chapters || []
this.metadata = probeData.audioFileMetadata
this.embeddedCoverArt = probeData.embeddedCoverArt
}
validateTrackIndex() {
var numFromMeta = isNullOrNaN(this.trackNumFromMeta) ? null : Number(this.trackNumFromMeta)
var numFromFilename = isNullOrNaN(this.trackNumFromFilename) ? null : Number(this.trackNumFromFilename)
if (numFromMeta !== null) return numFromMeta
if (numFromFilename !== null) return numFromFilename
this.invalid = true
this.error = 'Failed to get track number'
return null
}
setDuplicateTrackNumber(num) {
this.invalid = true
this.error = 'Duplicate track number "' + num + '"'
}
syncChapters(updatedChapters) {
if (this.chapters.length !== updatedChapters.length) {
this.chapters = updatedChapters.map(ch => ({ ...ch }))
return true
} else if (updatedChapters.length === 0) {
if (this.chapters.length > 0) {
this.chapters = []
return true
}
return false
}
var hasUpdates = false
for (let i = 0; i < updatedChapters.length; i++) {
if (JSON.stringify(updatedChapters[i]) !== JSON.stringify(this.chapters[i])) {
hasUpdates = true
}
}
if (hasUpdates) {
this.chapters = updatedChapters.map(ch => ({ ...ch }))
}
return hasUpdates
}
clone() {
return new AudioFile(this.toJSON())
}
// If the file or parent directory was renamed it is synced here
syncFile(newFile) {
var hasUpdates = false
var keysToSync = ['path', 'fullPath', 'ext', 'filename']
keysToSync.forEach((key) => {
if (newFile[key] !== undefined && newFile[key] !== this[key]) {
hasUpdates = true
this[key] = newFile[key]
}
})
return hasUpdates
}
updateFromScan(scannedAudioFile) {
var hasUpdated = false
var newjson = scannedAudioFile.toJSON()
if (this.manuallyVerified) newjson.manuallyVerified = true
if (this.exclude) newjson.exclude = true
newjson.addedAt = this.addedAt
for (const key in newjson) {
if (key === 'metadata') {
if (!this.metadata || !this.metadata.isEqual(scannedAudioFile.metadata)) {
this.metadata = scannedAudioFile.metadata
hasUpdated = true
}
} else if (key === 'chapters') {
if (this.syncChapters(newjson.chapters || [])) {
hasUpdated = true
}
} else if (this[key] !== newjson[key]) {
// console.log(this.filename, 'key', key, 'updated', this[key], newjson[key])
this[key] = newjson[key]
hasUpdated = true
}
}
return hasUpdated
}
}
module.exports = AudioFile