Add db migration file to change audiobooks to library items with new data model

server/objects/AudioFile.js

@@ -0,0 +1,243 @@
+const { isNullOrNaN } = require('../utils/index')
+const AudioFileMetadata = require('./metadata/AudioMetaTags')
+
+class AudioFile {
+  constructor(data) {
+    this.index = null
+    this.ino = null
+    this.filename = null
+    this.ext = null
+    this.path = null
+    this.fullPath = null
+    this.mtimeMs = null
+    this.ctimeMs = null
+    this.birthtimeMs = 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,
+      mtimeMs: this.mtimeMs,
+      ctimeMs: this.ctimeMs,
+      birthtimeMs: this.birthtimeMs,
+      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.mtimeMs = data.mtimeMs || 0
+    this.ctimeMs = data.ctimeMs || 0
+    this.birthtimeMs = data.birthtimeMs || 0
+    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.mtimeMs = fileData.mtimeMs || 0
+    this.ctimeMs = fileData.ctimeMs || 0
+    this.birthtimeMs = fileData.birthtimeMs || 0
+    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

server/objects/Audiobook.js

@@ -9,7 +9,7 @@ const abmetadataGenerator = require('../utils/abmetadataGenerator')
 const Logger = require('../Logger')
 const Book = require('./Book')
 const AudioTrack = require('./AudioTrack')
-const AudioFile = require('./files/AudioFile')
+const AudioFile = require('./AudioFile')
 const AudiobookFile = require('./AudiobookFile')
 
 class Audiobook {

server/objects/entities/Author.js

@@ -1,10 +1,12 @@
+const { getId } = require('../../utils/index')
+
 class Author {
   constructor(author) {
     this.id = null
     this.asin = null
     this.name = null
     this.imagePath = null
-    this.imageFullPath = null
+    this.relImagePath = null
     this.addedAt = null
     this.updatedAt = null
 
@@ -18,7 +20,7 @@ class Author {
     this.asin = author.asin
     this.name = author.name
     this.imagePath = author.imagePath
-    this.imageFullPath = author.imageFullPath
+    this.relImagePath = author.relImagePath
     this.addedAt = author.addedAt
     this.updatedAt = author.updatedAt
   }
@@ -29,9 +31,9 @@ class Author {
       asin: this.asin,
       name: this.name,
       imagePath: this.imagePath,
-      imageFullPath: this.imageFullPath,
+      relImagePath: this.relImagePath,
       addedAt: this.addedAt,
-      updatedAt: this.updatedAt
+      lastUpdate: this.updatedAt
     }
   }
 
@@ -41,5 +43,15 @@ class Author {
       name: this.name
     }
   }
+
+  setData(data) {
+    this.id = getId('aut')
+    this.name = data.name
+    this.asin = data.asin || null
+    this.imagePath = data.imagePath || null
+    this.relImagePath = data.relImagePath || null
+    this.addedAt = Date.now()
+    this.updatedAt = Date.now()
+  }
 }
 module.exports = Author

server/objects/entities/Book.js

@@ -1,39 +1,41 @@
 const BookMetadata = require('../metadata/BookMetadata')
 const AudioFile = require('../files/AudioFile')
 const EBookFile = require('../files/EBookFile')
-const AudioTrack = require('../AudioTrack')
 
 class Book {
   constructor(book) {
     this.metadata = null
 
+    this.coverPath = null
+    this.relCoverPath = null
     this.tags = []
     this.audioFiles = []
     this.ebookFiles = []
-    this.audioTracks = []
     this.chapters = []
 
-    if (books) {
+    if (book) {
       this.construct(book)
     }
   }
 
   construct(book) {
     this.metadata = new BookMetadata(book.metadata)
+    this.coverPath = book.coverPath
+    this.relCoverPath = book.relCoverPath
     this.tags = [...book.tags]
     this.audioFiles = book.audioFiles.map(f => new AudioFile(f))
     this.ebookFiles = book.ebookFiles.map(f => new EBookFile(f))
-    this.audioTracks = book.audioTracks.map(a => new AudioTrack(a))
     this.chapters = book.chapters.map(c => ({ ...c }))
   }
 
   toJSON() {
     return {
       metadata: this.metadata.toJSON(),
+      coverPath: this.coverPath,
+      relCoverPath: this.relCoverPath,
       tags: [...this.tags],
       audioFiles: this.audioFiles.map(f => f.toJSON()),
       ebookFiles: this.ebookFiles.map(f => f.toJSON()),
-      audioTracks: this.audioTracks.map(a => a.toJSON()),
       chapters: this.chapters.map(c => ({ ...c }))
     }
   }

server/objects/entities/Series.js

@@ -1,8 +1,9 @@
+const { getId } = require('../../utils/index')
+
 class Series {
   constructor(series) {
     this.id = null
     this.name = null
-    this.sequence = null
     this.addedAt = null
     this.updatedAt = null
 
@@ -14,7 +15,6 @@ class Series {
   construct(series) {
     this.id = series.id
     this.name = series.name
-    this.sequence = series.sequence
     this.addedAt = series.addedAt
     this.updatedAt = series.updatedAt
   }
@@ -23,18 +23,24 @@ class Series {
     return {
       id: this.id,
       name: this.name,
-      sequence: this.sequence,
       addedAt: this.addedAt,
       updatedAt: this.updatedAt
     }
   }
 
-  toJSONMinimal() {
+  toJSONMinimal(sequence) {
     return {
       id: this.id,
       name: this.name,
-      sequence: this.sequence
+      sequence
     }
   }
+
+  setData(data) {
+    this.id = getId('ser')
+    this.name = data.name
+    this.addedAt = Date.now()
+    this.updatedAt = Date.now()
+  }
 }
 module.exports = Series

server/objects/files/AudioFile.js

@@ -1,20 +1,14 @@
 const { isNullOrNaN } = require('../../utils/index')
-
-const Logger = require('../../Logger')
-const AudioFileMetadata = require('../metadata/AudioFileMetadata')
+const AudioMetaTags = require('../metadata/AudioMetaTags')
+const FileMetadata = require('../metadata/FileMetadata')
 
 class AudioFile {
   constructor(data) {
     this.index = null
     this.ino = null
-    this.filename = null
-    this.ext = null
-    this.path = null
-    this.fullPath = null
-    this.mtimeMs = null
-    this.ctimeMs = null
-    this.birthtimeMs = null
+    this.metadata = null
     this.addedAt = null
+    this.updatedAt = null
 
     this.trackNumFromMeta = null
     this.discNumFromMeta = null
@@ -23,7 +17,6 @@ class AudioFile {
 
     this.format = null
     this.duration = null
-    this.size = null
     this.bitRate = null
     this.language = null
     this.codec = null
@@ -34,7 +27,7 @@ class AudioFile {
     this.embeddedCoverArt = null
 
     // Tags scraped from the audio file
-    this.metadata = null
+    this.metaTags = null
 
     this.manuallyVerified = false
     this.invalid = false
@@ -50,14 +43,9 @@ class AudioFile {
     return {
       index: this.index,
       ino: this.ino,
-      filename: this.filename,
-      ext: this.ext,
-      path: this.path,
-      fullPath: this.fullPath,
-      mtimeMs: this.mtimeMs,
-      ctimeMs: this.ctimeMs,
-      birthtimeMs: this.birthtimeMs,
+      metadata: this.metadata.toJSON(),
       addedAt: this.addedAt,
+      updatedAt: this.updatedAt,
       trackNumFromMeta: this.trackNumFromMeta,
       discNumFromMeta: this.discNumFromMeta,
       trackNumFromFilename: this.trackNumFromFilename,
@@ -68,7 +56,6 @@ class AudioFile {
       error: this.error || null,
       format: this.format,
       duration: this.duration,
-      size: this.size,
       bitRate: this.bitRate,
       language: this.language,
       codec: this.codec,
@@ -77,21 +64,16 @@ class AudioFile {
       channelLayout: this.channelLayout,
       chapters: this.chapters,
       embeddedCoverArt: this.embeddedCoverArt,
-      metadata: this.metadata ? this.metadata.toJSON() : {}
+      metaTags: this.metaTags ? this.metaTags.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.mtimeMs = data.mtimeMs || 0
-    this.ctimeMs = data.ctimeMs || 0
-    this.birthtimeMs = data.birthtimeMs || 0
+    this.metadata = new FileMetadata(data.metadata || {})
     this.addedAt = data.addedAt
+    this.updatedAt = data.updatedAt
     this.manuallyVerified = !!data.manuallyVerified
     this.invalid = !!data.invalid
     this.exclude = !!data.exclude
@@ -106,7 +88,6 @@ class AudioFile {
 
     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
@@ -116,27 +97,17 @@ class AudioFile {
     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 || {})
-    }
+    this.metaTags = new AudioMetaTags(data.metaTags || {})
   }
 
   // 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.mtimeMs = fileData.mtimeMs || 0
-    this.ctimeMs = fileData.ctimeMs || 0
-    this.birthtimeMs = fileData.birthtimeMs || 0
+
+    // TODO: Update file metadata for set data from probe
     this.addedAt = Date.now()
+    this.updatedAt = Date.now()
 
     this.trackNumFromMeta = fileData.trackNumFromMeta
     this.discNumFromMeta = fileData.discNumFromMeta
@@ -145,7 +116,6 @@ class AudioFile {
 
     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
@@ -153,7 +123,7 @@ class AudioFile {
     this.channels = probeData.channels
     this.channelLayout = probeData.channelLayout
     this.chapters = probeData.chapters || []
-    this.metadata = probeData.audioFileMetadata
+    this.metaTags = probeData.audioFileMetadata
     this.embeddedCoverArt = probeData.embeddedCoverArt
   }
 
@@ -204,15 +174,17 @@ class AudioFile {
 
   // 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
+    // TODO: Sync file would update the file info if needed
+    return false
+    // var hasUpdates = false
+    // var keysToSync = ['path', 'relPath', 'ext', 'filename']
+    // keysToSync.forEach((key) => {
+    //   if (newFile[key] !== undefined && newFile[key] !== this[key]) {
+    //     hasUpdates = true
+    //     this[key] = newFile[key]
+    //   }
+    // })
+    // return hasUpdates
   }
 
   updateFromScan(scannedAudioFile) {
@@ -224,9 +196,9 @@ class AudioFile {
     newjson.addedAt = this.addedAt
 
     for (const key in newjson) {
-      if (key === 'metadata') {
-        if (!this.metadata || !this.metadata.isEqual(scannedAudioFile.metadata)) {
-          this.metadata = scannedAudioFile.metadata
+      if (key === 'metaTags') {
+        if (!this.metaTags || !this.metaTags.isEqual(scannedAudioFile.metadata)) {
+          this.metaTags = scannedAudioFile.metadata
           hasUpdated = true
         }
       } else if (key === 'chapters') {

server/objects/files/EBookFile.js

@@ -6,7 +6,7 @@ class EBookFile {
     this.metadata = null
     this.ebookFormat = null
     this.addedAt = null
-    this.lastUpdate = null
+    this.updatedAt = null
 
     if (file) {
       this.construct(file)
@@ -18,7 +18,7 @@ class EBookFile {
     this.metadata = new FileMetadata(file)
     this.ebookFormat = file.ebookFormat
     this.addedAt = file.addedAt
-    this.lastUpdate = file.lastUpdate
+    this.updatedAt = file.updatedAt
   }
 
   toJSON() {
@@ -27,7 +27,7 @@ class EBookFile {
       metadata: this.metadata.toJSON(),
       ebookFormat: this.ebookFormat,
       addedAt: this.addedAt,
-      lastUpdate: this.lastUpdate
+      updatedAt: this.updatedAt
     }
   }
 }

server/objects/metadata/AudioMetaTags.js

@@ -0,0 +1,129 @@
+class AudioMetaTags {
+  constructor(metadata) {
+    this.tagAlbum = null
+    this.tagArtist = null
+    this.tagGenre = null
+    this.tagTitle = null
+    this.tagSeries = null
+    this.tagSeriesPart = null
+    this.tagTrack = null
+    this.tagDisc = null
+    this.tagSubtitle = null
+    this.tagAlbumArtist = null
+    this.tagDate = null
+    this.tagComposer = null
+    this.tagPublisher = null
+    this.tagComment = null
+    this.tagDescription = null
+    this.tagEncoder = null
+    this.tagEncodedBy = null
+    this.tagIsbn = null
+    this.tagLanguage = null
+    this.tagASIN = null
+
+    if (metadata) {
+      this.construct(metadata)
+    }
+  }
+
+  toJSON() {
+    // Only return the tags that are actually set
+    var json = {}
+    for (const key in this) {
+      if (key.startsWith('tag') && this[key]) {
+        json[key] = this[key]
+      }
+    }
+    return json
+  }
+
+  construct(metadata) {
+    this.tagAlbum = metadata.tagAlbum || null
+    this.tagArtist = metadata.tagArtist || null
+    this.tagGenre = metadata.tagGenre || null
+    this.tagTitle = metadata.tagTitle || null
+    this.tagSeries = metadata.tagSeries || null
+    this.tagSeriesPart = metadata.tagSeriesPart || null
+    this.tagTrack = metadata.tagTrack || null
+    this.tagDisc = metadata.tagDisc || null
+    this.tagSubtitle = metadata.tagSubtitle || null
+    this.tagAlbumArtist = metadata.tagAlbumArtist || null
+    this.tagDate = metadata.tagDate || null
+    this.tagComposer = metadata.tagComposer || null
+    this.tagPublisher = metadata.tagPublisher || null
+    this.tagComment = metadata.tagComment || null
+    this.tagDescription = metadata.tagDescription || null
+    this.tagEncoder = metadata.tagEncoder || null
+    this.tagEncodedBy = metadata.tagEncodedBy || null
+    this.tagIsbn = metadata.tagIsbn || null
+    this.tagLanguage = metadata.tagLanguage || null
+    this.tagASIN = metadata.tagASIN || null
+  }
+
+  // Data parsed in prober.js
+  setData(payload) {
+    this.tagAlbum = payload.file_tag_album || null
+    this.tagArtist = payload.file_tag_artist || null
+    this.tagGenre = payload.file_tag_genre || null
+    this.tagTitle = payload.file_tag_title || null
+    this.tagSeries = payload.file_tag_series || null
+    this.tagSeriesPart = payload.file_tag_seriespart || null
+    this.tagTrack = payload.file_tag_track || null
+    this.tagDisc = payload.file_tag_disc || null
+    this.tagSubtitle = payload.file_tag_subtitle || null
+    this.tagAlbumArtist = payload.file_tag_albumartist || null
+    this.tagDate = payload.file_tag_date || null
+    this.tagComposer = payload.file_tag_composer || null
+    this.tagPublisher = payload.file_tag_publisher || null
+    this.tagComment = payload.file_tag_comment || null
+    this.tagDescription = payload.file_tag_description || null
+    this.tagEncoder = payload.file_tag_encoder || null
+    this.tagEncodedBy = payload.file_tag_encodedby || null
+    this.tagIsbn = payload.file_tag_isbn || null
+    this.tagLanguage = payload.file_tag_language || null
+    this.tagASIN = payload.file_tag_asin || null
+  }
+
+  updateData(payload) {
+    const dataMap = {
+      tagAlbum: payload.file_tag_album || null,
+      tagArtist: payload.file_tag_artist || null,
+      tagGenre: payload.file_tag_genre || null,
+      tagTitle: payload.file_tag_title || null,
+      tagSeries: payload.file_tag_series || null,
+      tagSeriesPart: payload.file_tag_seriespart || null,
+      tagTrack: payload.file_tag_track || null,
+      tagDisc: payload.file_tag_disc || null,
+      tagSubtitle: payload.file_tag_subtitle || null,
+      tagAlbumArtist: payload.file_tag_albumartist || null,
+      tagDate: payload.file_tag_date || null,
+      tagComposer: payload.file_tag_composer || null,
+      tagPublisher: payload.file_tag_publisher || null,
+      tagComment: payload.file_tag_comment || null,
+      tagDescription: payload.file_tag_description || null,
+      tagEncoder: payload.file_tag_encoder || null,
+      tagEncodedBy: payload.file_tag_encodedby || null,
+      tagIsbn: payload.file_tag_isbn || null,
+      tagLanguage: payload.file_tag_language || null,
+      tagASIN: payload.file_tag_asin || null
+    }
+
+    var hasUpdates = false
+    for (const key in dataMap) {
+      if (dataMap[key] !== this[key]) {
+        this[key] = dataMap[key]
+        hasUpdates = true
+      }
+    }
+    return hasUpdates
+  }
+
+  isEqual(audioFileMetadata) {
+    if (!audioFileMetadata || !audioFileMetadata.toJSON) return false
+    for (const key in audioFileMetadata.toJSON()) {
+      if (audioFileMetadata[key] !== this[key]) return false
+    }
+    return true
+  }
+}
+module.exports = AudioMetaTags

server/objects/metadata/BookMetadata.js

@@ -22,12 +22,12 @@ class BookMetadata {
   construct(metadata) {
     this.title = metadata.title
     this.subtitle = metadata.subtitle
-    this.authors = metadata.authors.map(a => ({ ...a }))
-    this.narrators = [...metadata.narrators]
-    this.series = metadata.series.map(s => ({ ...s }))
-    this.genres = [...metadata.genres]
-    this.publishedYear = metadata.publishedYear
-    this.publishedDate = metadata.publishedDate
+    this.authors = (metadata.authors && metadata.authors.map) ? metadata.authors.map(a => ({ ...a })) : []
+    this.narrators = metadata.narrators ? [...metadata.narrators] : []
+    this.series = (metadata.series && metadata.series.map) ? metadata.series.map(s => ({ ...s })) : []
+    this.genres = metadata.genres ? [...metadata.genres] : []
+    this.publishedYear = metadata.publishedYear || null
+    this.publishedDate = metadata.publishedDate || null
     this.publisher = metadata.publisher
     this.description = metadata.description
     this.isbn = metadata.isbn

server/objects/metadata/FileMetadata.js

@@ -37,5 +37,9 @@ class FileMetadata {
       birthtimeMs: this.birthtimeMs
     }
   }
+
+  clone() {
+    return new FileMetadata(this.toJSON())
+  }
 }
 module.exports = FileMetadata