audiobookshelf/server/scanner/Scanner.js

775 lines
31 KiB
JavaScript

const fs = require('fs-extra')
const Path = require('path')
// Utils
const Logger = require('../Logger')
const { version } = require('../../package.json')
const { groupFilesIntoLibraryItemPaths, getLibraryItemFileData, scanFolder } = require('../utils/scandir')
const { comparePaths, getId } = require('../utils/index')
const { ScanResult, LogLevel } = require('../utils/constants')
const AudioFileScanner = require('./AudioFileScanner')
const BookFinder = require('../finders/BookFinder')
const Audiobook = require('../objects/legacy/Audiobook')
const LibraryItem = require('../objects/LibraryItem')
const LibraryScan = require('./LibraryScan')
const ScanOptions = require('./ScanOptions')
const Author = require('../objects/entities/Author')
const Series = require('../objects/entities/Series')
class Scanner {
constructor(db, coverController, emitter) {
this.BookMetadataPath = Path.posix.join(global.MetadataPath, 'books')
this.ScanLogPath = Path.posix.join(global.MetadataPath, 'logs', 'scans')
this.db = db
this.coverController = coverController
this.emitter = emitter
this.cancelLibraryScan = {}
this.librariesScanning = []
this.bookFinder = new BookFinder()
}
getCoverDirectory(audiobook) {
if (this.db.serverSettings.storeCoverWithBook) {
return {
fullPath: audiobook.fullPath,
relPath: '/s/book/' + audiobook.id
}
} else {
return {
fullPath: Path.posix.join(this.BookMetadataPath, audiobook.id),
relPath: Path.posix.join('/metadata', 'books', audiobook.id)
}
}
}
isLibraryScanning(libraryId) {
return this.librariesScanning.find(ls => ls.id === libraryId)
}
setCancelLibraryScan(libraryId) {
var libraryScanning = this.librariesScanning.find(ls => ls.id === libraryId)
if (!libraryScanning) return
this.cancelLibraryScan[libraryId] = true
}
async scanLibraryItemById(libraryItemId) {
var libraryItem = this.db.libraryItems.find(li => li.id === libraryItemId)
if (!libraryItem) {
Logger.error(`[Scanner] Scan libraryItem by id not found ${libraryItemId}`)
return ScanResult.NOTHING
}
const library = this.db.libraries.find(lib => lib.id === libraryItem.libraryId)
if (!library) {
Logger.error(`[Scanner] Scan libraryItem by id library not found "${libraryItem.libraryId}"`)
return ScanResult.NOTHING
}
const folder = library.folders.find(f => f.id === libraryItem.folderId)
if (!folder) {
Logger.error(`[Scanner] Scan libraryItem by id folder not found "${libraryItem.folderId}" in library "${library.name}"`)
return ScanResult.NOTHING
}
Logger.info(`[Scanner] Scanning Library Item "${libraryItem.media.metadata.title}"`)
return this.scanLibraryItem(library.mediaType, folder, libraryItem)
}
async scanLibraryItem(libraryMediaType, folder, libraryItem) {
var libraryItemData = await getLibraryItemFileData(libraryMediaType, folder, libraryItem.path, this.db.serverSettings)
if (!libraryItemData) {
return ScanResult.NOTHING
}
var hasUpdated = false
var checkRes = libraryItem.checkScanData(libraryItemData)
if (checkRes.updated) hasUpdated = true
// Sync other files first so that local images are used as cover art
if (await libraryItem.syncFiles(this.db.serverSettings.scannerPreferOpfMetadata)) {
hasUpdated = true
}
// Scan all audio files
if (libraryItem.hasAudioFiles) {
var libraryAudioFiles = libraryItem.libraryFiles.filter(lf => lf.fileType === 'audio')
if (await AudioFileScanner.scanAudioFiles(libraryAudioFiles, libraryItemData, libraryItem, this.db.serverSettings.scannerPreferAudioMetadata)) {
hasUpdated = true
}
// Extract embedded cover art if cover is not already in directory
if (libraryItem.media.hasEmbeddedCoverArt && !libraryItem.media.coverPath) {
var coverPath = await this.coverController.saveEmbeddedCoverArt(libraryItem)
if (coverPath) {
Logger.debug(`[Scanner] Saved embedded cover art "${coverPath}"`)
hasUpdated = true
}
}
}
if (!libraryItem.hasMediaEntities) { // Library Item is invalid
libraryItem.setInvalid()
hasUpdated = true
} else if (libraryItem.isInvalid) {
libraryItem.isInvalid = false
hasUpdated = true
}
if (hasUpdated) {
this.emitter('item_updated', libraryItem.toJSONExpanded())
await this.db.updateLibraryItem(libraryItem)
return ScanResult.UPDATED
}
return ScanResult.UPTODATE
}
async scan(libraryId, options = {}) {
if (this.isLibraryScanning(libraryId)) {
Logger.error(`[Scanner] Already scanning ${libraryId}`)
return
}
var library = this.db.libraries.find(lib => lib.id === libraryId)
if (!library) {
Logger.error(`[Scanner] Library not found for scan ${libraryId}`)
return
} else if (!library.folders.length) {
Logger.warn(`[Scanner] Library has no folders to scan "${library.name}"`)
return
}
var scanOptions = new ScanOptions()
scanOptions.setData(options, this.db.serverSettings)
var libraryScan = new LibraryScan()
libraryScan.setData(library, scanOptions)
libraryScan.verbose = false
this.librariesScanning.push(libraryScan.getScanEmitData)
this.emitter('scan_start', libraryScan.getScanEmitData)
Logger.info(`[Scanner] Starting library scan ${libraryScan.id} for ${libraryScan.libraryName}`)
var canceled = await this.scanLibrary(libraryScan)
if (canceled) {
Logger.info(`[Scanner] Library scan canceled for "${libraryScan.libraryName}"`)
delete this.cancelLibraryScan[libraryScan.libraryId]
}
libraryScan.setComplete()
Logger.info(`[Scanner] Library scan ${libraryScan.id} completed in ${libraryScan.elapsedTimestamp} | ${libraryScan.resultStats}`)
this.librariesScanning = this.librariesScanning.filter(ls => ls.id !== library.id)
if (canceled && !libraryScan.totalResults) {
var emitData = libraryScan.getScanEmitData
emitData.results = null
this.emitter('scan_complete', emitData)
return
}
this.emitter('scan_complete', libraryScan.getScanEmitData)
if (libraryScan.totalResults) {
libraryScan.saveLog(this.ScanLogPath)
}
}
async scanLibrary(libraryScan) {
var libraryItemDataFound = []
// Scan each library
for (let i = 0; i < libraryScan.folders.length; i++) {
var folder = libraryScan.folders[i]
var itemDataFoundInFolder = await scanFolder(libraryScan.libraryMediaType, folder, this.db.serverSettings)
libraryScan.addLog(LogLevel.INFO, `${itemDataFoundInFolder.length} item data found in folder "${folder.fullPath}"`)
libraryItemDataFound = libraryItemDataFound.concat(itemDataFoundInFolder)
}
if (this.cancelLibraryScan[libraryScan.libraryId]) return true
// Remove audiobooks with no inode
libraryItemDataFound = libraryItemDataFound.filter(lid => lid.ino)
var libraryItemsInLibrary = this.db.libraryItems.filter(li => li.libraryId === libraryScan.libraryId)
const NumScansPerChunk = 25
const itemsToUpdateChunks = []
const itemDataToRescanChunks = []
const newItemDataToScanChunks = []
var itemsToUpdate = []
var itemDataToRescan = []
var newItemDataToScan = []
var itemsToFindCovers = []
// Check for existing & removed library items
for (let i = 0; i < libraryItemsInLibrary.length; i++) {
var libraryItem = libraryItemsInLibrary[i]
// Find library item folder with matching inode or matching path
var dataFound = libraryItemDataFound.find(lid => lid.ino === libraryItem.ino || comparePaths(lid.relPath, libraryItem.relPath))
if (!dataFound) {
libraryScan.addLog(LogLevel.WARN, `Library Item "${libraryItem.media.metadata.title}" is missing`)
libraryScan.resultsMissing++
libraryItem.setMissing()
itemsToUpdate.push(libraryItem)
if (itemsToUpdate.length === NumScansPerChunk) {
itemsToUpdateChunks.push(itemsToUpdate)
itemsToUpdate = []
}
} else {
var checkRes = libraryItem.checkScanData(dataFound)
if (checkRes.newLibraryFiles.length || libraryScan.scanOptions.forceRescan) { // Item has new files
checkRes.libraryItem = libraryItem
checkRes.scanData = dataFound
itemDataToRescan.push(checkRes)
if (itemDataToRescan.length === NumScansPerChunk) {
itemDataToRescanChunks.push(itemDataToRescan)
itemDataToRescan = []
}
} else if (libraryScan.findCovers && libraryItem.media.shouldSearchForCover) {
libraryScan.resultsUpdated++
itemsToFindCovers.push(libraryItem)
itemsToUpdate.push(libraryItem)
if (itemsToUpdate.length === NumScansPerChunk) {
itemsToUpdateChunks.push(itemsToUpdate)
itemsToUpdate = []
}
} else if (checkRes.updated) { // Updated but no scan required
libraryScan.resultsUpdated++
itemsToUpdate.push(libraryItem)
if (itemsToUpdate.length === NumScansPerChunk) {
itemsToUpdateChunks.push(itemsToUpdate)
itemsToUpdate = []
}
}
libraryItemDataFound = libraryItemDataFound.filter(lid => lid.ino !== dataFound.ino)
}
}
if (itemsToUpdate.length) itemsToUpdateChunks.push(itemsToUpdate)
if (itemDataToRescan.length) itemDataToRescanChunks.push(itemDataToRescan)
// Potential NEW Library Items
for (let i = 0; i < libraryItemDataFound.length; i++) {
var dataFound = libraryItemDataFound[i]
var hasMediaFile = dataFound.libraryFiles.some(lf => lf.isMediaFile)
if (!hasMediaFile) {
libraryScan.addLog(LogLevel.WARN, `Directory found "${libraryItemDataFound.path}" has no media files`)
} else {
newItemDataToScan.push(dataFound)
if (newItemDataToScan.length === NumScansPerChunk) {
newItemDataToScanChunks.push(newItemDataToScan)
newItemDataToScan = []
}
}
}
if (newItemDataToScan.length) newItemDataToScanChunks.push(newItemDataToScan)
// Library Items not requiring a scan but require a search for cover
for (let i = 0; i < itemsToFindCovers.length; i++) {
var libraryItem = itemsToFindCovers[i]
var updatedCover = await this.searchForCover(libraryItem, libraryScan)
libraryItem.media.updateLastCoverSearch(updatedCover)
}
for (let i = 0; i < itemsToUpdateChunks.length; i++) {
await this.updateLibraryItemChunk(itemsToUpdateChunks[i])
if (this.cancelLibraryScan[libraryScan.libraryId]) return true
// console.log('Update chunk done', i, 'of', itemsToUpdateChunks.length)
}
for (let i = 0; i < itemDataToRescanChunks.length; i++) {
await this.rescanLibraryItemDataChunk(itemDataToRescanChunks[i], libraryScan)
if (this.cancelLibraryScan[libraryScan.libraryId]) return true
// console.log('Rescan chunk done', i, 'of', itemDataToRescanChunks.length)
}
for (let i = 0; i < newItemDataToScanChunks.length; i++) {
await this.scanNewLibraryItemDataChunk(newItemDataToScanChunks[i], libraryScan)
// console.log('New scan chunk done', i, 'of', newItemDataToScanChunks.length)
if (this.cancelLibraryScan[libraryScan.libraryId]) return true
}
}
async updateLibraryItemChunk(itemsToUpdate) {
await this.db.updateLibraryItems(itemsToUpdate)
this.emitter('items_updated', itemsToUpdate.map(li => li.toJSONExpanded()))
}
async rescanLibraryItemDataChunk(itemDataToRescan, libraryScan) {
var itemsUpdated = await Promise.all(itemDataToRescan.map((lid) => {
return this.rescanLibraryItem(lid, libraryScan)
}))
itemsUpdated = itemsUpdated.filter(li => li) // Filter out nulls
if (itemsUpdated.length) {
libraryScan.resultsUpdated += itemsUpdated.length
await this.db.updateLibraryItems(itemsUpdated)
this.emitter('items_updated', itemsUpdated.map(li => li.toJSONExpanded()))
}
}
async scanNewLibraryItemDataChunk(newLibraryItemsData, libraryScan) {
var newLibraryItems = await Promise.all(newLibraryItemsData.map((lid) => {
return this.scanNewLibraryItem(lid, libraryScan.libraryMediaType, libraryScan.preferAudioMetadata, libraryScan.preferOpfMetadata, libraryScan.findCovers, libraryScan)
}))
newLibraryItems = newLibraryItems.filter(li => li) // Filter out nulls
libraryScan.resultsAdded += newLibraryItems.length
await this.db.insertLibraryItems(newLibraryItems)
this.emitter('items_added', newLibraryItems.map(li => li.toJSONExpanded()))
}
async rescanLibraryItem(libraryItemCheckData, libraryScan) {
const { newLibraryFiles, filesRemoved, existingLibraryFiles, libraryItem, scanData, updated } = libraryItemCheckData
libraryScan.addLog(LogLevel.DEBUG, `Library "${libraryScan.libraryName}" Re-scanning "${libraryItem.path}"`)
var hasUpdated = updated
// Sync other files first to use local images as cover before extracting audio file cover
if (await libraryItem.syncFiles(libraryScan.preferOpfMetadata)) {
hasUpdated = true
}
// forceRescan all existing audio files - will probe and update ID3 tag metadata
var existingAudioFiles = existingLibraryFiles.filter(lf => lf.fileType === 'audio')
if (libraryScan.scanOptions.forceRescan && existingAudioFiles.length) {
if (await AudioFileScanner.scanAudioFiles(existingAudioFiles, scanData, libraryItem, libraryScan.preferAudioMetadata, libraryScan)) {
hasUpdated = true
}
}
// Scan new audio files
var newAudioFiles = newLibraryFiles.filter(lf => lf.fileType === 'audio')
var removedAudioFiles = filesRemoved.filter(lf => lf.fileType === 'audio')
if (newAudioFiles.length || removedAudioFiles.length) {
if (await AudioFileScanner.scanAudioFiles(newAudioFiles, scanData, libraryItem, libraryScan.preferAudioMetadata, libraryScan)) {
hasUpdated = true
}
}
// If an audio file has embedded cover art and no cover is set yet, extract & use it
if (newAudioFiles.length || libraryScan.scanOptions.forceRescan) {
if (libraryItem.media.hasEmbeddedCoverArt && !libraryItem.media.coverPath) {
var savedCoverPath = await this.coverController.saveEmbeddedCoverArt(libraryItem)
if (savedCoverPath) {
hasUpdated = true
libraryScan.addLog(LogLevel.DEBUG, `Saved embedded cover art "${savedCoverPath}"`)
}
}
}
// Temp authors & series are inserted - create them if found
await this.createNewAuthorsAndSeries(libraryItem)
if (!libraryItem.hasMediaEntities) { // Library item is invalid
libraryItem.setInvalid()
hasUpdated = true
} else if (libraryItem.isInvalid) {
libraryItem.isInvalid = false
hasUpdated = true
}
// Scan for cover if enabled and has no cover (and author or title has changed OR has been 7 days since last lookup)
if (libraryScan.findCovers && !libraryItem.media.coverPath && libraryItem.media.shouldSearchForCover) {
var updatedCover = await this.searchForCover(libraryItem, libraryScan)
libraryItem.media.updateLastCoverSearch(updatedCover)
hasUpdated = true
}
return hasUpdated ? libraryItem : null
}
async scanNewLibraryItem(libraryItemData, libraryMediaType, preferAudioMetadata, preferOpfMetadata, findCovers, libraryScan = null) {
if (libraryScan) libraryScan.addLog(LogLevel.DEBUG, `Scanning new library item "${libraryItemData.path}"`)
else Logger.debug(`[Scanner] Scanning new item "${libraryItemData.path}"`)
var libraryItem = new LibraryItem()
libraryItem.setData(libraryMediaType, libraryItemData)
var audioFiles = libraryItemData.libraryFiles.filter(lf => lf.fileType === 'audio')
if (audioFiles.length) {
await AudioFileScanner.scanAudioFiles(audioFiles, libraryItemData, libraryItem, preferAudioMetadata, libraryScan)
}
if (!libraryItem.hasMediaEntities) {
Logger.warn(`[Scanner] Library item has no media files "${libraryItemData.path}"`)
return null
}
await libraryItem.syncFiles(preferOpfMetadata)
// Extract embedded cover art if cover is not already in directory
if (libraryItem.media.hasEmbeddedCoverArt && !libraryItem.media.coverPath) {
var coverPath = await this.coverController.saveEmbeddedCoverArt(libraryItem)
if (coverPath) {
if (libraryScan) libraryScan.addLog(LogLevel.DEBUG, `Saved embedded cover art "${coverPath}"`)
else Logger.debug(`[Scanner] Saved embedded cover art "${coverPath}"`)
}
}
// Scan for cover if enabled and has no cover
if (libraryMediaType !== 'podcast') {
if (libraryItem && findCovers && !libraryItem.media.coverPath && libraryItem.media.shouldSearchForCover) {
var updatedCover = await this.searchForCover(libraryItem, libraryScan)
libraryItem.media.updateLastCoverSearch(updatedCover)
}
// Temp authors & series are inserted - create them if found
await this.createNewAuthorsAndSeries(libraryItem)
}
return libraryItem
}
async createNewAuthorsAndSeries(libraryItem) {
// Create or match all new authors and series
if (libraryItem.media.metadata.authors.some(au => au.id.startsWith('new'))) {
var newAuthors = []
libraryItem.media.metadata.authors = libraryItem.media.metadata.authors.map((tempMinAuthor) => {
var _author = this.db.authors.find(au => au.checkNameEquals(tempMinAuthor.name))
if (!_author) _author = newAuthors.find(au => au.checkNameEquals(tempMinAuthor.name)) // Check new unsaved authors
if (!_author) {
_author = new Author()
_author.setData(tempMinAuthor)
newAuthors.push(_author)
}
return {
id: _author.id,
name: _author.name
}
})
if (newAuthors.length) {
await this.db.insertEntities('author', newAuthors)
this.emitter('authors_added', newAuthors.map(au => au.toJSON()))
}
}
if (libraryItem.media.metadata.series.some(se => se.id.startsWith('new'))) {
var newSeries = []
libraryItem.media.metadata.series = libraryItem.media.metadata.series.map((tempMinSeries) => {
var _series = this.db.series.find(se => se.checkNameEquals(tempMinSeries.name))
if (!_series) _series = newSeries.find(se => se.checkNameEquals(tempMinSeries.name)) // Check new unsaved series
if (!_series) {
_series = new Series()
_series.setData(tempMinSeries)
newSeries.push(_series)
}
return {
id: _series.id,
name: _series.name,
sequence: tempMinSeries.sequence
}
})
if (newSeries.length) {
await this.db.insertEntities('series', newSeries)
this.emitter('series_added', newSeries.map(se => se.toJSON()))
}
}
}
getFileUpdatesGrouped(fileUpdates) {
var folderGroups = {}
fileUpdates.forEach((file) => {
if (folderGroups[file.folderId]) {
folderGroups[file.folderId].fileUpdates.push(file)
} else {
folderGroups[file.folderId] = {
libraryId: file.libraryId,
folderId: file.folderId,
fileUpdates: [file]
}
}
})
return folderGroups
}
async scanFilesChanged(fileUpdates) {
if (!fileUpdates.length) return
// files grouped by folder
var folderGroups = this.getFileUpdatesGrouped(fileUpdates)
for (const folderId in folderGroups) {
var libraryId = folderGroups[folderId].libraryId
var library = this.db.libraries.find(lib => lib.id === libraryId)
if (!library) {
Logger.error(`[Scanner] Library not found in files changed ${libraryId}`)
continue;
}
var folder = library.getFolderById(folderId)
if (!folder) {
Logger.error(`[Scanner] Folder is not in library in files changed "${folderId}", Library "${library.name}"`)
continue;
}
var relFilePaths = folderGroups[folderId].fileUpdates.map(fileUpdate => fileUpdate.relPath)
var fileUpdateGroup = groupFilesIntoLibraryItemPaths(relFilePaths, true)
var folderScanResults = await this.scanFolderUpdates(library, folder, fileUpdateGroup)
Logger.debug(`[Scanner] Folder scan results`, folderScanResults)
}
}
async scanFolderUpdates(library, folder, fileUpdateGroup) {
Logger.debug(`[Scanner] Scanning file update groups in folder "${folder.id}" of library "${library.name}"`)
// First pass - Remove files in parent dirs of items and remap the fileupdate group
// Test Case: Moving audio files from library item folder to author folder should trigger a re-scan of the item
var updateGroup = { ...fileUpdateGroup }
for (const itemDir in updateGroup) {
var itemDirNestedFiles = fileUpdateGroup[itemDir].filter(b => b.includes('/'))
if (!itemDirNestedFiles.length) continue;
var firstNest = itemDirNestedFiles[0].split('/').shift()
var altDir = `${itemDir}/${firstNest}`
var fullPath = Path.posix.join(folder.fullPath.replace(/\\/g, '/'), itemDir)
var childLibraryItem = this.db.libraryItems.find(li => li.path !== fullPath && li.fullPath.startsWith(fullPath))
if (!childLibraryItem) {
continue;
}
var altFullPath = Path.posix.join(folder.fullPath.replace(/\\/g, '/'), altDir)
var altChildLibraryItem = this.db.libraryItems.find(li => li.path !== altFullPath && li.path.startsWith(altFullPath))
if (altChildLibraryItem) {
continue;
}
delete fileUpdateGroup[itemDir]
fileUpdateGroup[altDir] = itemDirNestedFiles.map((f) => f.split('/').slice(1).join('/'))
Logger.warn(`[Scanner] Some files were modified in a parent directory of a library item "${childLibraryItem.title}" - ignoring`)
}
// Second pass: Check for new/updated/removed items
var itemGroupingResults = {}
for (const itemDir in fileUpdateGroup) {
var fullPath = Path.posix.join(folder.fullPath.replace(/\\/g, '/'), itemDir)
// Check if book dir group is already an item
var existingLibraryItem = this.db.libraryItems.find(li => fullPath.startsWith(li.path))
if (existingLibraryItem) {
// Is the item exactly - check if was deleted
if (existingLibraryItem.path === fullPath) {
var exists = await fs.pathExists(fullPath)
if (!exists) {
Logger.info(`[Scanner] Scanning file update group and library item was deleted "${existingLibraryItem.media.metadata.title}" - marking as missing`)
existingLibraryItem.setMissing()
await this.db.updateLibraryItem(existingLibraryItem)
this.emitter('item_updated', existingLibraryItem.toJSONExpanded())
itemGroupingResults[itemDir] = ScanResult.REMOVED
continue;
}
}
// Scan library item for updates
Logger.debug(`[Scanner] Folder update for relative path "${itemDir}" is in library item "${existingLibraryItem.media.metadata.title}" - scan for updates`)
itemGroupingResults[itemDir] = await this.scanLibraryItem(library.mediaType, folder, existingLibraryItem)
continue;
}
// Check if a library item is a subdirectory of this dir
var childItem = this.db.libraryItems.find(li => li.path.startsWith(fullPath))
if (childItem) {
Logger.warn(`[Scanner] Files were modified in a parent directory of a library item "${childItem.media.metadata.title}" - ignoring`)
itemGroupingResults[itemDir] = ScanResult.NOTHING
continue;
}
Logger.debug(`[Scanner] Folder update group must be a new item "${itemDir}" in library "${library.name}"`)
var newLibraryItem = await this.scanPotentialNewLibraryItem(library.mediaType, folder, fullPath)
if (newLibraryItem) {
await this.db.insertLibraryItem(newLibraryItem)
this.emitter('item_added', newLibraryItem.toJSONExpanded())
}
itemGroupingResults[itemDir] = newLibraryItem ? ScanResult.ADDED : ScanResult.NOTHING
}
return itemGroupingResults
}
async scanPotentialNewLibraryItem(libraryMediaType, folder, fullPath) {
var libraryItemData = await getLibraryItemFileData(libraryMediaType, folder, fullPath, this.db.serverSettings)
if (!libraryItemData) return null
var serverSettings = this.db.serverSettings
return this.scanNewLibraryItem(libraryItemData, libraryMediaType, serverSettings.scannerPreferAudioMetadata, serverSettings.scannerPreferOpfMetadata, serverSettings.scannerFindCovers)
}
async searchForCover(libraryItem, libraryScan = null) {
var options = {
titleDistance: 2,
authorDistance: 2
}
var scannerCoverProvider = this.db.serverSettings.scannerCoverProvider
var results = await this.bookFinder.findCovers(scannerCoverProvider, libraryItem.media.metadata.title, libraryItem.media.metadata.authorName, options)
if (results.length) {
if (libraryScan) libraryScan.addLog(LogLevel.DEBUG, `Found best cover for "${libraryItem.media.metadata.title}"`)
else Logger.debug(`[Scanner] Found best cover for "${libraryItem.media.metadata.title}"`)
// If the first cover result fails, attempt to download the second
for (let i = 0; i < results.length && i < 2; i++) {
// Downloads and updates the book cover
var result = await this.coverController.downloadCoverFromUrl(libraryItem, results[i])
if (result.error) {
Logger.error(`[Scanner] Failed to download cover from url "${results[i]}" | Attempt ${i + 1}`, result.error)
} else {
return true
}
}
}
return false
}
async saveMetadata(audiobookId) {
if (audiobookId) {
var audiobook = this.db.audiobooks.find(ab => ab.id === audiobookId)
if (!audiobook) {
return {
error: 'Audiobook not found'
}
}
var savedPath = await audiobook.writeNfoFile()
return {
audiobookId,
audiobookTitle: audiobook.title,
savedPath
}
} else {
var response = {
success: 0,
failed: 0
}
for (let i = 0; i < this.db.audiobooks.length; i++) {
var audiobook = this.db.audiobooks[i]
var savedPath = await audiobook.writeNfoFile()
if (savedPath) {
Logger.info(`[Scanner] Saved metadata nfo ${savedPath}`)
response.success++
} else {
response.failed++
}
}
return response
}
}
async quickMatchBook(libraryItem, options = {}) {
var provider = options.provider || 'google'
var searchTitle = options.title || libraryItem.media.metadata.title
var searchAuthor = options.author || libraryItem.media.metadata.authorName
var results = await this.bookFinder.search(provider, searchTitle, searchAuthor)
if (!results.length) {
return {
warning: `No ${provider} match found`
}
}
var matchData = results[0]
// Update cover if not set OR overrideCover flag
var hasUpdated = false
if (matchData.cover && (!libraryItem.media.coverPath || options.overrideCover)) {
Logger.debug(`[Scanner] Updating cover "${matchData.cover}"`)
var coverResult = await this.coverController.downloadCoverFromUrl(libraryItem, matchData.cover)
if (!coverResult || coverResult.error || !coverResult.cover) {
Logger.warn(`[Scanner] Match cover "${matchData.cover}" failed to use: ${coverResult ? coverResult.error : 'Unknown Error'}`)
} else {
hasUpdated = true
}
}
// Update media metadata if not set OR overrideDetails flag
const detailKeysToUpdate = ['title', 'subtitle', 'narrator', 'publisher', 'publishedYear', 'asin', 'isbn']
const updatePayload = {}
for (const key in matchData) {
if (matchData[key] && detailKeysToUpdate.includes(key)) {
if (key === 'narrator') {
if ((!libraryItem.media.metadata.narratorName || options.overrideDetails)) {
updatePayload.narrators = [matchData[key]]
}
} else if ((!libraryItem.media.metadata[key] || options.overrideDetails)) {
updatePayload[key] = matchData[key]
}
}
}
// Add or set author if not set
if (matchData.author && !libraryItem.media.metadata.authorName) {
var author = this.db.authors.find(au => au.checkNameEquals(matchData.author))
if (!author) {
author = new Author()
author.setData({ name: matchData.author })
await this.db.insertEntity('author', author)
this.emitter('author_added', author)
}
updatePayload.authors = [author.toJSONMinimal()]
}
// Add or set series if not set
if (matchData.series && !libraryItem.media.metadata.seriesName) {
var seriesItem = this.db.series.find(au => au.checkNameEquals(matchData.series))
if (!seriesItem) {
seriesItem = new Series()
seriesItem.setData({ name: matchData.series })
await this.db.insertEntity('series', seriesItem)
this.emitter('series_added', seriesItem)
}
updatePayload.series = [seriesItem.toJSONMinimal(matchData.volumeNumber)]
}
if (Object.keys(updatePayload).length) {
Logger.debug('[Scanner] Updating details', updatePayload)
if (libraryItem.media.update({ metadata: updatePayload })) {
hasUpdated = true
}
}
if (hasUpdated) {
await this.db.updateLibraryItem(libraryItem)
this.emitter('item_updated', libraryItem.toJSONExpanded())
}
return {
updated: hasUpdated,
libraryItem: libraryItem.toJSONExpanded()
}
}
async matchLibraryBooks(library) {
if (this.isLibraryScanning(library.id)) {
Logger.error(`[Scanner] Already scanning ${library.id}`)
return
}
const provider = library.provider || 'google'
var audiobooksInLibrary = this.db.audiobooks.filter(ab => ab.libraryId === library.id)
if (!audiobooksInLibrary.length) {
return
}
var libraryScan = new LibraryScan()
libraryScan.setData(library, null, 'match')
this.librariesScanning.push(libraryScan.getScanEmitData)
this.emitter('scan_start', libraryScan.getScanEmitData)
Logger.info(`[Scanner] Starting library match books scan ${libraryScan.id} for ${libraryScan.libraryName}`)
for (let i = 0; i < audiobooksInLibrary.length; i++) {
var audiobook = audiobooksInLibrary[i]
Logger.debug(`[Scanner] Quick matching "${audiobook.title}" (${i + 1} of ${audiobooksInLibrary.length})`)
var result = await this.quickMatchBook(audiobook, { provider })
if (result.warning) {
Logger.warn(`[Scanner] Match warning ${result.warning} for audiobook "${audiobook.title}"`)
} else if (result.updated) {
libraryScan.resultsUpdated++
}
if (this.cancelLibraryScan[libraryScan.libraryId]) {
Logger.info(`[Scanner] Library match scan canceled for "${libraryScan.libraryName}"`)
delete this.cancelLibraryScan[libraryScan.libraryId]
var scanData = libraryScan.getScanEmitData
scanData.results = false
this.emitter('scan_complete', scanData)
this.librariesScanning = this.librariesScanning.filter(ls => ls.id !== library.id)
return
}
}
this.librariesScanning = this.librariesScanning.filter(ls => ls.id !== library.id)
this.emitter('scan_complete', libraryScan.getScanEmitData)
}
}
module.exports = Scanner