mirror of
https://github.com/advplyr/audiobookshelf.git
synced 2024-12-20 19:06:06 +01:00
553 lines
22 KiB
JavaScript
553 lines
22 KiB
JavaScript
const sequelize = require('sequelize')
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const Path = require('path')
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const packageJson = require('../../package.json')
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const Logger = require('../Logger')
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const SocketAuthority = require('../SocketAuthority')
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const Database = require('../Database')
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const fs = require('../libs/fsExtra')
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const fileUtils = require('../utils/fileUtils')
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const scanUtils = require('../utils/scandir')
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const { LogLevel, ScanResult } = require('../utils/constants')
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const libraryFilters = require('../utils/queries/libraryFilters')
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const LibraryItemScanner = require('./LibraryItemScanner')
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const LibraryScan = require('./LibraryScan')
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const LibraryItemScanData = require('./LibraryItemScanData')
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class LibraryScanner {
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constructor() {
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this.cancelLibraryScan = {}
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this.librariesScanning = []
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this.scanningFilesChanged = false
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/** @type {import('../Watcher').PendingFileUpdate[][]} */
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this.pendingFileUpdatesToScan = []
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}
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/**
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* @param {string} libraryId
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* @returns {boolean}
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*/
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isLibraryScanning(libraryId) {
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return this.librariesScanning.some(ls => ls.id === libraryId)
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}
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/**
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*
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* @param {string} libraryId
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*/
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setCancelLibraryScan(libraryId) {
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const libraryScanning = this.librariesScanning.find(ls => ls.id === libraryId)
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if (!libraryScanning) return
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this.cancelLibraryScan[libraryId] = true
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}
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/**
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*
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* @param {import('../objects/Library')} library
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* @param {boolean} [forceRescan]
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*/
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async scan(library, forceRescan = false) {
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if (this.isLibraryScanning(library.id)) {
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Logger.error(`[LibraryScanner] Already scanning ${library.id}`)
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return
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}
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if (!library.folders.length) {
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Logger.warn(`[LibraryScanner] Library has no folders to scan "${library.name}"`)
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return
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}
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if (library.isBook && library.settings.metadataPrecedence.join() !== library.lastScanMetadataPrecedence?.join()) {
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const lastScanMetadataPrecedence = library.lastScanMetadataPrecedence?.join() || 'Unset'
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Logger.info(`[LibraryScanner] Library metadata precedence changed since last scan. From [${lastScanMetadataPrecedence}] to [${library.settings.metadataPrecedence.join()}]`)
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forceRescan = true
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}
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const libraryScan = new LibraryScan()
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libraryScan.setData(library)
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libraryScan.verbose = true
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this.librariesScanning.push(libraryScan.getScanEmitData)
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SocketAuthority.emitter('scan_start', libraryScan.getScanEmitData)
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Logger.info(`[LibraryScanner] Starting${forceRescan ? ' (forced)' : ''} library scan ${libraryScan.id} for ${libraryScan.libraryName}`)
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const canceled = await this.scanLibrary(libraryScan, forceRescan)
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if (canceled) {
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Logger.info(`[LibraryScanner] Library scan canceled for "${libraryScan.libraryName}"`)
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delete this.cancelLibraryScan[libraryScan.libraryId]
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}
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libraryScan.setComplete()
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Logger.info(`[LibraryScanner] Library scan ${libraryScan.id} completed in ${libraryScan.elapsedTimestamp} | ${libraryScan.resultStats}`)
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this.librariesScanning = this.librariesScanning.filter(ls => ls.id !== library.id)
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if (canceled && !libraryScan.totalResults) {
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const emitData = libraryScan.getScanEmitData
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emitData.results = null
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SocketAuthority.emitter('scan_complete', emitData)
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return
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}
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library.lastScan = Date.now()
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library.lastScanVersion = packageJson.version
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if (library.isBook) {
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library.lastScanMetadataPrecedence = library.settings.metadataPrecedence
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}
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await Database.libraryModel.updateFromOld(library)
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SocketAuthority.emitter('scan_complete', libraryScan.getScanEmitData)
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if (libraryScan.totalResults) {
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libraryScan.saveLog()
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}
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}
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/**
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*
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* @param {import('./LibraryScan')} libraryScan
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* @param {boolean} forceRescan
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* @returns {Promise<boolean>} true if scan canceled
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*/
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async scanLibrary(libraryScan, forceRescan) {
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// Make sure library filter data is set
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// this is used to check for existing authors & series
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await libraryFilters.getFilterData(libraryScan.library.mediaType, libraryScan.libraryId)
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/** @type {LibraryItemScanData[]} */
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let libraryItemDataFound = []
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// Scan each library folder
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for (let i = 0; i < libraryScan.folders.length; i++) {
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const folder = libraryScan.folders[i]
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const itemDataFoundInFolder = await this.scanFolder(libraryScan.library, folder)
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libraryScan.addLog(LogLevel.INFO, `${itemDataFoundInFolder.length} item data found in folder "${folder.fullPath}"`)
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libraryItemDataFound = libraryItemDataFound.concat(itemDataFoundInFolder)
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}
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if (this.cancelLibraryScan[libraryScan.libraryId]) return true
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const existingLibraryItems = await Database.libraryItemModel.findAll({
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where: {
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libraryId: libraryScan.libraryId
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}
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})
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if (this.cancelLibraryScan[libraryScan.libraryId]) return true
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const libraryItemIdsMissing = []
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let oldLibraryItemsUpdated = []
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for (const existingLibraryItem of existingLibraryItems) {
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// First try to find matching library item with exact file path
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let libraryItemData = libraryItemDataFound.find(lid => lid.path === existingLibraryItem.path)
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if (!libraryItemData) {
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// Fallback to finding matching library item with matching inode value
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libraryItemData = libraryItemDataFound.find(lid => lid.ino === existingLibraryItem.ino)
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if (libraryItemData) {
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libraryScan.addLog(LogLevel.INFO, `Library item with path "${existingLibraryItem.path}" was not found, but library item inode "${existingLibraryItem.ino}" was found at path "${libraryItemData.path}"`)
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}
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}
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if (!libraryItemData) {
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// Podcast folder can have no episodes and still be valid
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if (libraryScan.libraryMediaType === 'podcast' && await fs.pathExists(existingLibraryItem.path)) {
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libraryScan.addLog(LogLevel.INFO, `Library item "${existingLibraryItem.relPath}" folder exists but has no episodes`)
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} else {
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libraryScan.addLog(LogLevel.WARN, `Library Item "${existingLibraryItem.path}" (inode: ${existingLibraryItem.ino}) is missing`)
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libraryScan.resultsMissing++
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if (!existingLibraryItem.isMissing) {
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libraryItemIdsMissing.push(existingLibraryItem.id)
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// TODO: Temporary while using old model to socket emit
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const oldLibraryItem = await Database.libraryItemModel.getOldById(existingLibraryItem.id)
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oldLibraryItem.isMissing = true
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oldLibraryItem.updatedAt = Date.now()
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oldLibraryItemsUpdated.push(oldLibraryItem)
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}
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}
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} else {
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libraryItemDataFound = libraryItemDataFound.filter(lidf => lidf !== libraryItemData)
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let libraryItemDataUpdated = await libraryItemData.checkLibraryItemData(existingLibraryItem, libraryScan)
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if (libraryItemDataUpdated || forceRescan) {
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if (forceRescan || libraryItemData.hasLibraryFileChanges || libraryItemData.hasPathChange) {
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const { libraryItem, wasUpdated } = await LibraryItemScanner.rescanLibraryItemMedia(existingLibraryItem, libraryItemData, libraryScan.library.settings, libraryScan)
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if (!forceRescan || wasUpdated) {
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libraryScan.resultsUpdated++
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const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
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oldLibraryItemsUpdated.push(oldLibraryItem)
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} else {
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libraryScan.addLog(LogLevel.DEBUG, `Library item "${existingLibraryItem.relPath}" is up-to-date`)
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}
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} else {
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libraryScan.resultsUpdated++
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// TODO: Temporary while using old model to socket emit
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const oldLibraryItem = await Database.libraryItemModel.getOldById(existingLibraryItem.id)
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oldLibraryItemsUpdated.push(oldLibraryItem)
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}
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} else {
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libraryScan.addLog(LogLevel.DEBUG, `Library item "${existingLibraryItem.relPath}" is up-to-date`)
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}
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}
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// Emit item updates in chunks of 10 to client
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if (oldLibraryItemsUpdated.length === 10) {
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// TODO: Should only emit to clients where library item is accessible
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SocketAuthority.emitter('items_updated', oldLibraryItemsUpdated.map(li => li.toJSONExpanded()))
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oldLibraryItemsUpdated = []
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}
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if (this.cancelLibraryScan[libraryScan.libraryId]) return true
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}
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// Emit item updates to client
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if (oldLibraryItemsUpdated.length) {
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// TODO: Should only emit to clients where library item is accessible
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SocketAuthority.emitter('items_updated', oldLibraryItemsUpdated.map(li => li.toJSONExpanded()))
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}
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// Authors and series that were removed from books should be removed if they are now empty
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await LibraryItemScanner.checkAuthorsAndSeriesRemovedFromBooks(libraryScan.libraryId, libraryScan)
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// Update missing library items
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if (libraryItemIdsMissing.length) {
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libraryScan.addLog(LogLevel.INFO, `Updating ${libraryItemIdsMissing.length} library items missing`)
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await Database.libraryItemModel.update({
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isMissing: true,
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lastScan: Date.now(),
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lastScanVersion: packageJson.version
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}, {
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where: {
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id: libraryItemIdsMissing
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}
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})
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}
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if (this.cancelLibraryScan[libraryScan.libraryId]) return true
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// Add new library items
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if (libraryItemDataFound.length) {
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let newOldLibraryItems = []
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for (const libraryItemData of libraryItemDataFound) {
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const newLibraryItem = await LibraryItemScanner.scanNewLibraryItem(libraryItemData, libraryScan.library.settings, libraryScan)
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if (newLibraryItem) {
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const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(newLibraryItem)
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newOldLibraryItems.push(oldLibraryItem)
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libraryScan.resultsAdded++
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}
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// Emit new items in chunks of 10 to client
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if (newOldLibraryItems.length === 10) {
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// TODO: Should only emit to clients where library item is accessible
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SocketAuthority.emitter('items_added', newOldLibraryItems.map(li => li.toJSONExpanded()))
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newOldLibraryItems = []
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}
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if (this.cancelLibraryScan[libraryScan.libraryId]) return true
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}
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// Emit new items to client
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if (newOldLibraryItems.length) {
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// TODO: Should only emit to clients where library item is accessible
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SocketAuthority.emitter('items_added', newOldLibraryItems.map(li => li.toJSONExpanded()))
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}
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}
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}
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/**
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* Get scan data for library folder
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* @param {import('../objects/Library')} library
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* @param {import('../objects/Folder')} folder
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* @returns {LibraryItemScanData[]}
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*/
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async scanFolder(library, folder) {
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const folderPath = fileUtils.filePathToPOSIX(folder.fullPath)
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const pathExists = await fs.pathExists(folderPath)
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if (!pathExists) {
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Logger.error(`[scandir] Invalid folder path does not exist "${folderPath}"`)
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return []
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}
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const fileItems = await fileUtils.recurseFiles(folderPath)
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const libraryItemGrouping = scanUtils.groupFileItemsIntoLibraryItemDirs(library.mediaType, fileItems, library.settings.audiobooksOnly)
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if (!Object.keys(libraryItemGrouping).length) {
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Logger.error(`Root path has no media folders: ${folderPath}`)
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return []
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}
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const items = []
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for (const libraryItemPath in libraryItemGrouping) {
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let isFile = false // item is not in a folder
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let libraryItemData = null
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let fileObjs = []
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if (libraryItemPath === libraryItemGrouping[libraryItemPath]) {
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// Media file in root only get title
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libraryItemData = {
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mediaMetadata: {
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title: Path.basename(libraryItemPath, Path.extname(libraryItemPath))
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},
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path: Path.posix.join(folderPath, libraryItemPath),
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relPath: libraryItemPath
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}
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fileObjs = await scanUtils.buildLibraryFile(folderPath, [libraryItemPath])
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isFile = true
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} else {
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libraryItemData = scanUtils.getDataFromMediaDir(library.mediaType, folderPath, libraryItemPath)
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fileObjs = await scanUtils.buildLibraryFile(libraryItemData.path, libraryItemGrouping[libraryItemPath])
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}
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const libraryItemFolderStats = await fileUtils.getFileTimestampsWithIno(libraryItemData.path)
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if (!libraryItemFolderStats.ino) {
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Logger.warn(`[LibraryScanner] Library item folder "${libraryItemData.path}" has no inode value`)
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continue
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}
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items.push(new LibraryItemScanData({
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libraryFolderId: folder.id,
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libraryId: folder.libraryId,
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mediaType: library.mediaType,
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ino: libraryItemFolderStats.ino,
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mtimeMs: libraryItemFolderStats.mtimeMs || 0,
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ctimeMs: libraryItemFolderStats.ctimeMs || 0,
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birthtimeMs: libraryItemFolderStats.birthtimeMs || 0,
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path: libraryItemData.path,
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relPath: libraryItemData.relPath,
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isFile,
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mediaMetadata: libraryItemData.mediaMetadata || null,
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libraryFiles: fileObjs
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}))
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}
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return items
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}
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/**
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* Scan files changed from Watcher
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* @param {import('../Watcher').PendingFileUpdate[]} fileUpdates
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*/
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async scanFilesChanged(fileUpdates) {
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if (!fileUpdates?.length) return
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// If already scanning files from watcher then add these updates to queue
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if (this.scanningFilesChanged) {
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this.pendingFileUpdatesToScan.push(fileUpdates)
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Logger.debug(`[LibraryScanner] Already scanning files from watcher - file updates pushed to queue (size ${this.pendingFileUpdatesToScan.length})`)
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return
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}
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this.scanningFilesChanged = true
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// files grouped by folder
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const folderGroups = this.getFileUpdatesGrouped(fileUpdates)
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for (const folderId in folderGroups) {
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const libraryId = folderGroups[folderId].libraryId
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// const library = await Database.libraryModel.getOldById(libraryId)
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const library = await Database.libraryModel.findByPk(libraryId, {
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include: {
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model: Database.libraryFolderModel,
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where: {
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id: folderId
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}
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}
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})
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if (!library) {
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Logger.error(`[LibraryScanner] Library "${libraryId}" not found in files changed ${libraryId}`)
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continue
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}
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const folder = library.libraryFolders[0]
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const relFilePaths = folderGroups[folderId].fileUpdates.map(fileUpdate => fileUpdate.relPath)
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const fileUpdateGroup = scanUtils.groupFilesIntoLibraryItemPaths(library.mediaType, relFilePaths)
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if (!Object.keys(fileUpdateGroup).length) {
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Logger.info(`[LibraryScanner] No important changes to scan for in folder "${folderId}"`)
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continue
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}
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const folderScanResults = await this.scanFolderUpdates(library, folder, fileUpdateGroup)
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Logger.debug(`[LibraryScanner] Folder scan results`, folderScanResults)
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// If something was updated then reset numIssues filter data for library
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if (Object.values(folderScanResults).some(scanResult => scanResult !== ScanResult.NOTHING && scanResult !== ScanResult.UPTODATE)) {
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await Database.resetLibraryIssuesFilterData(libraryId)
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}
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}
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this.scanningFilesChanged = false
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if (this.pendingFileUpdatesToScan.length) {
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Logger.debug(`[LibraryScanner] File updates finished scanning with more updates in queue (${this.pendingFileUpdatesToScan.length})`)
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this.scanFilesChanged(this.pendingFileUpdatesToScan.shift())
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}
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}
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/**
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* Group array of PendingFileUpdate from Watcher by folder
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* @param {import('../Watcher').PendingFileUpdate[]} fileUpdates
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* @returns {Record<string,{libraryId:string, folderId:string, fileUpdates:import('../Watcher').PendingFileUpdate[]}>}
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*/
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getFileUpdatesGrouped(fileUpdates) {
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const folderGroups = {}
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fileUpdates.forEach((file) => {
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if (folderGroups[file.folderId]) {
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folderGroups[file.folderId].fileUpdates.push(file)
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} else {
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folderGroups[file.folderId] = {
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libraryId: file.libraryId,
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folderId: file.folderId,
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fileUpdates: [file]
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}
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}
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})
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return folderGroups
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}
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/**
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* Scan grouped paths for library folder coming from Watcher
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* @param {import('../models/Library')} library
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* @param {import('../models/LibraryFolder')} folder
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* @param {Record<string, string[]>} fileUpdateGroup
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* @returns {Promise<Record<string,number>>}
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*/
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async scanFolderUpdates(library, folder, fileUpdateGroup) {
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// Make sure library filter data is set
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// this is used to check for existing authors & series
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await libraryFilters.getFilterData(library.mediaType, library.id)
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Logger.debug(`[Scanner] Scanning file update groups in folder "${folder.id}" of library "${library.name}"`)
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Logger.debug(`[Scanner] scanFolderUpdates fileUpdateGroup`, fileUpdateGroup)
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// First pass - Remove files in parent dirs of items and remap the fileupdate group
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// Test Case: Moving audio files from library item folder to author folder should trigger a re-scan of the item
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const updateGroup = { ...fileUpdateGroup }
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for (const itemDir in updateGroup) {
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if (itemDir == fileUpdateGroup[itemDir]) continue // Media in root path
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const itemDirNestedFiles = fileUpdateGroup[itemDir].filter(b => b.includes('/'))
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if (!itemDirNestedFiles.length) continue
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const firstNest = itemDirNestedFiles[0].split('/').shift()
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const altDir = `${itemDir}/${firstNest}`
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const fullPath = Path.posix.join(fileUtils.filePathToPOSIX(folder.path), itemDir)
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const childLibraryItem = await Database.libraryItemModel.findOne({
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attributes: ['id', 'path'],
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where: {
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path: {
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[sequelize.Op.not]: fullPath
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},
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path: {
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[sequelize.Op.startsWith]: fullPath
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}
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}
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})
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if (!childLibraryItem) {
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continue
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}
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const altFullPath = Path.posix.join(fileUtils.filePathToPOSIX(folder.path), altDir)
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const altChildLibraryItem = await Database.libraryItemModel.findOne({
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attributes: ['id', 'path'],
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where: {
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path: {
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[sequelize.Op.not]: altFullPath
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},
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path: {
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[sequelize.Op.startsWith]: altFullPath
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}
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}
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})
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if (altChildLibraryItem) {
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continue
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}
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delete fileUpdateGroup[itemDir]
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fileUpdateGroup[altDir] = itemDirNestedFiles.map((f) => f.split('/').slice(1).join('/'))
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Logger.warn(`[LibraryScanner] Some files were modified in a parent directory of a library item "${childLibraryItem.path}" - ignoring`)
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}
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// Second pass: Check for new/updated/removed items
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const itemGroupingResults = {}
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for (const itemDir in fileUpdateGroup) {
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const fullPath = Path.posix.join(fileUtils.filePathToPOSIX(folder.path), itemDir)
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const itemDirParts = itemDir.split('/').slice(0, -1)
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const potentialChildDirs = [fullPath]
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for (let i = 0; i < itemDirParts.length; i++) {
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potentialChildDirs.push(Path.posix.join(fileUtils.filePathToPOSIX(folder.path), itemDir.split('/').slice(0, -1 - i).join('/')))
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}
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|
|
// Check if book dir group is already an item
|
|
let existingLibraryItem = await Database.libraryItemModel.findOneOld({
|
|
path: potentialChildDirs
|
|
})
|
|
|
|
let renamedPaths = {}
|
|
if (!existingLibraryItem) {
|
|
const dirIno = await fileUtils.getIno(fullPath)
|
|
existingLibraryItem = await Database.libraryItemModel.findOneOld({
|
|
ino: dirIno
|
|
})
|
|
if (existingLibraryItem) {
|
|
Logger.debug(`[LibraryScanner] scanFolderUpdates: Library item found by inode value=${dirIno}. "${existingLibraryItem.relPath} => ${itemDir}"`)
|
|
// Update library item paths for scan
|
|
existingLibraryItem.path = fullPath
|
|
existingLibraryItem.relPath = itemDir
|
|
renamedPaths.path = fullPath
|
|
renamedPaths.relPath = itemDir
|
|
}
|
|
}
|
|
if (existingLibraryItem) {
|
|
// Is the item exactly - check if was deleted
|
|
if (existingLibraryItem.path === fullPath) {
|
|
const exists = await fs.pathExists(fullPath)
|
|
if (!exists) {
|
|
Logger.info(`[LibraryScanner] Scanning file update group and library item was deleted "${existingLibraryItem.media.metadata.title}" - marking as missing`)
|
|
existingLibraryItem.setMissing()
|
|
await Database.updateLibraryItem(existingLibraryItem)
|
|
SocketAuthority.emitter('item_updated', existingLibraryItem.toJSONExpanded())
|
|
|
|
itemGroupingResults[itemDir] = ScanResult.REMOVED
|
|
continue
|
|
}
|
|
}
|
|
|
|
// Scan library item for updates
|
|
Logger.debug(`[LibraryScanner] Folder update for relative path "${itemDir}" is in library item "${existingLibraryItem.media.metadata.title}" - scan for updates`)
|
|
itemGroupingResults[itemDir] = await LibraryItemScanner.scanLibraryItem(existingLibraryItem.id, renamedPaths)
|
|
continue
|
|
} else if (library.settings.audiobooksOnly && !fileUpdateGroup[itemDir].some?.(scanUtils.checkFilepathIsAudioFile)) {
|
|
Logger.debug(`[LibraryScanner] Folder update for relative path "${itemDir}" has no audio files`)
|
|
continue
|
|
}
|
|
|
|
// Check if a library item is a subdirectory of this dir
|
|
const childItem = await Database.libraryItemModel.findOne({
|
|
attributes: ['id', 'path'],
|
|
where: {
|
|
path: {
|
|
[sequelize.Op.startsWith]: fullPath + '/'
|
|
}
|
|
}
|
|
})
|
|
if (childItem) {
|
|
Logger.warn(`[LibraryScanner] Files were modified in a parent directory of a library item "${childItem.path}" - ignoring`)
|
|
itemGroupingResults[itemDir] = ScanResult.NOTHING
|
|
continue
|
|
}
|
|
|
|
Logger.debug(`[LibraryScanner] Folder update group must be a new item "${itemDir}" in library "${library.name}"`)
|
|
const isSingleMediaItem = itemDir === fileUpdateGroup[itemDir]
|
|
const newLibraryItem = await LibraryItemScanner.scanPotentialNewLibraryItem(fullPath, library, folder, isSingleMediaItem)
|
|
if (newLibraryItem) {
|
|
const oldNewLibraryItem = Database.libraryItemModel.getOldLibraryItem(newLibraryItem)
|
|
SocketAuthority.emitter('item_added', oldNewLibraryItem.toJSONExpanded())
|
|
}
|
|
itemGroupingResults[itemDir] = newLibraryItem ? ScanResult.ADDED : ScanResult.NOTHING
|
|
}
|
|
|
|
return itemGroupingResults
|
|
}
|
|
}
|
|
module.exports = new LibraryScanner() |