audiobookshelf/server/objects/LibraryItem.js

478 lines
14 KiB
JavaScript

const Path = require('path')
const { version } = require('../../package.json')
const Logger = require('../Logger')
const abmetadataGenerator = require('../utils/abmetadataGenerator')
const LibraryFile = require('./files/LibraryFile')
const Book = require('./mediaTypes/Book')
const Podcast = require('./mediaTypes/Podcast')
const { areEquivalent, copyValue, getId } = require('../utils/index')
class LibraryItem {
constructor(libraryItem = null) {
this.id = null
this.ino = null // Inode
this.libraryId = null
this.folderId = null
this.path = null
this.relPath = null
this.mtimeMs = null
this.ctimeMs = null
this.birthtimeMs = null
this.addedAt = null
this.updatedAt = null
this.lastScan = null
this.scanVersion = null
// Was scanned and no longer exists
this.isMissing = false
// Was scanned and no longer has media files
this.isInvalid = false
this.mediaType = null
this.media = null
this.libraryFiles = []
if (libraryItem) {
this.construct(libraryItem)
}
// Temporary attributes
this.isSavingMetadata = false
}
construct(libraryItem) {
this.id = libraryItem.id
this.ino = libraryItem.ino || null
this.libraryId = libraryItem.libraryId
this.folderId = libraryItem.folderId
this.path = libraryItem.path
this.relPath = libraryItem.relPath
this.mtimeMs = libraryItem.mtimeMs || 0
this.ctimeMs = libraryItem.ctimeMs || 0
this.birthtimeMs = libraryItem.birthtimeMs || 0
this.addedAt = libraryItem.addedAt
this.updatedAt = libraryItem.updatedAt || this.addedAt
this.lastScan = libraryItem.lastScan || null
this.scanVersion = libraryItem.scanVersion || null
this.isMissing = !!libraryItem.isMissing
this.isInvalid = !!libraryItem.isInvalid
this.mediaType = libraryItem.mediaType
if (this.mediaType === 'book') {
this.media = new Book(libraryItem.media)
this.media.libraryItemId = this.id
} else if (this.mediaType === 'podcast') {
this.media = new Podcast(libraryItem.media)
this.media.libraryItemId = this.id
}
this.libraryFiles = libraryItem.libraryFiles.map(f => new LibraryFile(f))
}
toJSON() {
return {
id: this.id,
ino: this.ino,
libraryId: this.libraryId,
folderId: this.folderId,
path: this.path,
relPath: this.relPath,
mtimeMs: this.mtimeMs,
ctimeMs: this.ctimeMs,
birthtimeMs: this.birthtimeMs,
addedAt: this.addedAt,
updatedAt: this.updatedAt,
lastScan: this.lastScan,
scanVersion: this.scanVersion,
isMissing: !!this.isMissing,
isInvalid: !!this.isInvalid,
mediaType: this.mediaType,
media: this.media.toJSON(),
libraryFiles: this.libraryFiles.map(f => f.toJSON())
}
}
toJSONMinified() {
return {
id: this.id,
ino: this.ino,
libraryId: this.libraryId,
folderId: this.folderId,
path: this.path,
relPath: this.relPath,
mtimeMs: this.mtimeMs,
ctimeMs: this.ctimeMs,
birthtimeMs: this.birthtimeMs,
addedAt: this.addedAt,
updatedAt: this.updatedAt,
isMissing: !!this.isMissing,
isInvalid: !!this.isInvalid,
mediaType: this.mediaType,
media: this.media.toJSONMinified(),
numFiles: this.libraryFiles.length,
size: this.size
}
}
// Adds additional helpful fields like media duration, tracks, etc.
toJSONExpanded() {
return {
id: this.id,
ino: this.ino,
libraryId: this.libraryId,
folderId: this.folderId,
path: this.path,
relPath: this.relPath,
mtimeMs: this.mtimeMs,
ctimeMs: this.ctimeMs,
birthtimeMs: this.birthtimeMs,
addedAt: this.addedAt,
updatedAt: this.updatedAt,
lastScan: this.lastScan,
scanVersion: this.scanVersion,
isMissing: !!this.isMissing,
isInvalid: !!this.isInvalid,
mediaType: this.mediaType,
media: this.media.toJSONExpanded(),
libraryFiles: this.libraryFiles.map(f => f.toJSON()),
size: this.size
}
}
get size() {
var total = 0
this.libraryFiles.forEach((lf) => total += lf.metadata.size)
return total
}
get audioFileTotalSize() {
var total = 0
this.libraryFiles.filter(lf => lf.fileType == 'audio').forEach((lf) => total += lf.metadata.size)
return total
}
get hasAudioFiles() {
return this.libraryFiles.some(lf => lf.fileType === 'audio')
}
get hasMediaEntities() {
return this.media.hasMediaEntities
}
get hasIssues() {
if (this.isMissing || this.isInvalid) return true
return this.media.hasIssues
}
// Data comes from scandir library item data
setData(libraryMediaType, payload) {
this.id = getId('li')
if (libraryMediaType === 'podcast') {
this.mediaType = 'podcast'
this.media = new Podcast()
this.media.libraryItemId = this.id
} else {
this.mediaType = 'book'
this.media = new Book()
this.media.libraryItemId = this.id
}
for (const key in payload) {
if (key === 'libraryFiles') {
this.libraryFiles = payload.libraryFiles.map(lf => lf.clone())
// Use first image library file as cover
var firstImageFile = this.libraryFiles.find(lf => lf.fileType === 'image')
if (firstImageFile) this.media.coverPath = firstImageFile.metadata.path
} else if (this[key] !== undefined && key !== 'media') {
this[key] = payload[key]
}
}
if (payload.media) {
this.media.setData(payload.media)
}
this.addedAt = Date.now()
this.updatedAt = Date.now()
}
update(payload) {
var json = this.toJSON()
var hasUpdates = false
for (const key in json) {
if (payload[key] !== undefined) {
if (key === 'media') {
if (this.media.update(payload[key])) {
hasUpdates = true
}
} else if (!areEquivalent(payload[key], json[key])) {
this[key] = copyValue(payload[key])
hasUpdates = true
}
}
}
if (hasUpdates) {
this.updatedAt = Date.now()
}
return hasUpdates
}
updateMediaCover(coverPath) {
this.media.updateCover(coverPath)
this.updatedAt = Date.now()
return true
}
setMissing() {
this.isMissing = true
this.updatedAt = Date.now()
}
setInvalid() {
this.isInvalid = true
this.updatedAt = Date.now()
}
setLastScan() {
this.lastScan = Date.now()
this.scanVersion = version
}
saveMetadata() { }
// Returns null if file not found, true if file was updated, false if up to date
// updates existing LibraryFile, AudioFile, EBookFile's
checkFileFound(fileFound) {
var hasUpdated = false
var existingFile = this.libraryFiles.find(lf => lf.ino === fileFound.ino)
var mediaFile = null
if (!existingFile) {
existingFile = this.libraryFiles.find(lf => lf.metadata.path === fileFound.metadata.path)
if (existingFile) {
// Update media file ino
mediaFile = this.media.findFileWithInode(existingFile.ino)
if (mediaFile) {
mediaFile.ino = fileFound.ino
}
// file inode was updated
existingFile.ino = fileFound.ino
hasUpdated = true
} else {
// file not found
return null
}
} else {
mediaFile = this.media.findFileWithInode(existingFile.ino)
}
if (existingFile.metadata.path !== fileFound.metadata.path) {
existingFile.metadata.path = fileFound.metadata.path
existingFile.metadata.relPath = fileFound.metadata.relPath
if (mediaFile) {
mediaFile.metadata.path = fileFound.metadata.path
mediaFile.metadata.relPath = fileFound.metadata.relPath
}
hasUpdated = true
}
// FileMetadata keys
['filename', 'ext', 'mtimeMs', 'ctimeMs', 'birthtimeMs', 'size'].forEach((key) => {
if (existingFile.metadata[key] !== fileFound.metadata[key]) {
// Add modified flag on file data object if exists and was changed
if (key === 'mtimeMs' && existingFile.metadata[key]) {
fileFound.metadata.wasModified = true
}
existingFile.metadata[key] = fileFound.metadata[key]
if (mediaFile) {
if (key === 'mtimeMs') mediaFile.metadata.wasModified = true
mediaFile.metadata[key] = fileFound.metadata[key]
}
hasUpdated = true
}
})
return hasUpdated
}
// Data pulled from scandir during a scan, check it with current data
checkScanData(dataFound) {
var hasUpdated = false
if (this.isMissing) {
// Item no longer missing
this.isMissing = false
hasUpdated = true
}
if (dataFound.ino !== this.ino) {
this.ino = dataFound.ino
hasUpdated = true
}
if (dataFound.folderId !== this.folderId) {
Logger.warn(`[LibraryItem] Check scan item changed folder ${this.folderId} -> ${dataFound.folderId}`)
this.folderId = dataFound.folderId
hasUpdated = true
}
if (dataFound.path !== this.path) {
Logger.warn(`[LibraryItem] Check scan item changed path "${this.path}" -> "${dataFound.path}"`)
this.path = dataFound.path
this.relPath = dataFound.relPath
hasUpdated = true
}
['mtimeMs', 'ctimeMs', 'birthtimeMs'].forEach((key) => {
if (dataFound[key] != this[key]) {
this[key] = dataFound[key] || 0
hasUpdated = true
}
})
var newLibraryFiles = []
var existingLibraryFiles = []
dataFound.libraryFiles.forEach((lf) => {
var fileFoundCheck = this.checkFileFound(lf, true)
if (fileFoundCheck === null) {
newLibraryFiles.push(lf)
} else if (fileFoundCheck) {
hasUpdated = true
existingLibraryFiles.push(lf)
} else {
existingLibraryFiles.push(lf)
}
})
const filesRemoved = []
// Remove files not found (inodes will all be up to date at this point)
this.libraryFiles = this.libraryFiles.filter(lf => {
if (!dataFound.libraryFiles.find(_lf => _lf.ino === lf.ino)) {
// Check if removing cover path
if (lf.metadata.path === this.media.coverPath) {
Logger.debug(`[LibraryItem] "${this.media.metadata.title}" check scan cover removed`)
this.media.updateCover('')
}
filesRemoved.push(lf.toJSON())
this.media.removeFileWithInode(lf.ino)
return false
}
return true
})
if (filesRemoved.length) {
if (this.media.mediaType === 'book') {
this.media.checkUpdateMissingTracks()
}
hasUpdated = true
}
// Add library files to library item
if (newLibraryFiles.length) {
newLibraryFiles.forEach((lf) => this.libraryFiles.push(lf.clone()))
hasUpdated = true
}
// Check if invalid
this.isInvalid = !this.media.hasMediaEntities
// If cover path is in item folder, make sure libraryFile exists for it
if (this.media.coverPath && this.media.coverPath.startsWith(this.path)) {
var lf = this.libraryFiles.find(lf => lf.metadata.path === this.media.coverPath)
if (!lf) {
Logger.warn(`[LibraryItem] Invalid cover path - library file dne "${this.media.coverPath}"`)
this.media.updateCover('')
hasUpdated = true
}
}
if (hasUpdated) {
this.setLastScan()
}
return {
updated: hasUpdated,
newLibraryFiles,
filesRemoved,
existingLibraryFiles // Existing file data may get re-scanned if forceRescan is set
}
}
// Set metadata from files
async syncFiles(preferOpfMetadata) {
var hasUpdated = false
if (this.mediaType === 'book') {
// Add/update ebook file (ebooks that were removed are removed in checkScanData)
this.libraryFiles.forEach((lf) => {
if (lf.fileType === 'ebook') {
if (!this.media.ebookFile) {
this.media.setEbookFile(lf)
hasUpdated = true
} else if (this.media.ebookFile.ino == lf.ino && this.media.ebookFile.updateFromLibraryFile(lf)) { // Update existing ebookFile
hasUpdated = true
}
}
})
}
// Set cover image if not set
var imageFiles = this.libraryFiles.filter(lf => lf.fileType === 'image')
if (imageFiles.length && !this.media.coverPath) {
this.media.coverPath = imageFiles[0].metadata.path
Logger.debug('[LibraryItem] Set media cover path', this.media.coverPath)
hasUpdated = true
}
// Parse metadata files
var textMetadataFiles = this.libraryFiles.filter(lf => lf.fileType === 'metadata' || lf.fileType === 'text')
if (textMetadataFiles.length) {
if (await this.media.syncMetadataFiles(textMetadataFiles, preferOpfMetadata)) {
hasUpdated = true
}
}
if (hasUpdated) {
this.updatedAt = Date.now()
}
return hasUpdated
}
searchQuery(query) {
query = query.toLowerCase()
return this.media.searchQuery(query)
}
getDirectPlayTracklist(episodeId) {
return this.media.getDirectPlayTracklist(episodeId)
}
// Saves metadata.abs file
async saveMetadata() {
if (this.isSavingMetadata) return
this.isSavingMetadata = true
var metadataPath = Path.join(global.MetadataPath, 'items', this.id)
if (global.ServerSettings.storeMetadataWithItem) {
metadataPath = this.path
} else {
// Make sure metadata book dir exists
await fs.ensureDir(metadataPath)
}
metadataPath = Path.join(metadataPath, 'metadata.abs')
return abmetadataGenerator.generate(this, metadataPath).then((success) => {
this.isSavingMetadata = false
if (!success) Logger.error(`[LibraryItem] Failed saving abmetadata to "${metadataPath}"`)
else Logger.debug(`[LibraryItem] Success saving abmetadata to "${metadataPath}"`)
return success
})
}
}
module.exports = LibraryItem