audiobookshelf/server/scanner/LibraryScanner.js

726 lines
28 KiB
JavaScript

const sequelize = require('sequelize')
const Path = require('path')
const packageJson = require('../../package.json')
const Logger = require('../Logger')
const SocketAuthority = require('../SocketAuthority')
const Database = require('../Database')
const fs = require('../libs/fsExtra')
const fileUtils = require('../utils/fileUtils')
const scanUtils = require('../utils/scandir')
const { LogLevel, ScanResult } = require('../utils/constants')
const libraryFilters = require('../utils/queries/libraryFilters')
const TaskManager = require('../managers/TaskManager')
const LibraryItemScanner = require('./LibraryItemScanner')
const LibraryScan = require('./LibraryScan')
const LibraryItemScanData = require('./LibraryItemScanData')
const Task = require('../objects/Task')
class LibraryScanner {
constructor() {
this.cancelLibraryScan = {}
/** @type {string[]} - library ids */
this.librariesScanning = []
this.scanningFilesChanged = false
/** @type {[import('../Watcher').PendingFileUpdate[], Task][]} */
this.pendingFileUpdatesToScan = []
}
/**
* @param {string} libraryId
* @returns {boolean}
*/
isLibraryScanning(libraryId) {
return this.librariesScanning.some((lid) => lid === libraryId)
}
/**
*
* @param {string} libraryId
*/
setCancelLibraryScan(libraryId) {
if (!this.isLibraryScanning(libraryId)) return
this.cancelLibraryScan[libraryId] = true
}
/**
*
* @param {import('../models/Library')} library
* @param {boolean} [forceRescan]
*/
async scan(library, forceRescan = false) {
if (this.isLibraryScanning(library.id)) {
Logger.error(`[LibraryScanner] Already scanning ${library.id}`)
return
}
if (!library.libraryFolders.length) {
Logger.warn(`[LibraryScanner] Library has no folders to scan "${library.name}"`)
return
}
const metadataPrecedence = library.settings.metadataPrecedence || Database.libraryModel.defaultMetadataPrecedence
if (library.isBook && metadataPrecedence.join() !== library.lastScanMetadataPrecedence.join()) {
const lastScanMetadataPrecedence = library.lastScanMetadataPrecedence?.join() || 'Unset'
Logger.info(`[LibraryScanner] Library metadata precedence changed since last scan. From [${lastScanMetadataPrecedence}] to [${metadataPrecedence.join()}]`)
forceRescan = true
}
const libraryScan = new LibraryScan()
libraryScan.setData(library)
libraryScan.verbose = true
this.librariesScanning.push(libraryScan.libraryId)
const taskData = {
libraryId: library.id,
libraryName: library.name,
libraryMediaType: library.mediaType
}
const taskTitleString = {
text: `Scanning "${library.name}" library`,
key: 'MessageTaskScanningLibrary',
subs: [library.name]
}
const task = TaskManager.createAndAddTask('library-scan', taskTitleString, null, true, taskData)
Logger.info(`[LibraryScanner] Starting${forceRescan ? ' (forced)' : ''} library scan ${libraryScan.id} for ${libraryScan.libraryName}`)
try {
const canceled = await this.scanLibrary(libraryScan, forceRescan)
libraryScan.setComplete()
Logger.info(`[LibraryScanner] Library scan "${libraryScan.id}" ${canceled ? 'canceled after' : 'completed in'} ${libraryScan.elapsedTimestamp} | ${libraryScan.resultStats}`)
if (!canceled) {
library.lastScan = Date.now()
library.lastScanVersion = packageJson.version
if (library.isBook) {
const newExtraData = library.extraData || {}
newExtraData.lastScanMetadataPrecedence = metadataPrecedence
library.extraData = newExtraData
library.changed('extraData', true)
}
await library.save()
}
task.data.scanResults = libraryScan.scanResults
if (canceled) {
const taskFinishedString = {
text: 'Task canceled by user',
key: 'MessageTaskCanceledByUser'
}
task.setFinished(taskFinishedString)
} else {
task.setFinished(null, true)
}
} catch (err) {
libraryScan.setComplete()
Logger.error(`[LibraryScanner] Library scan ${libraryScan.id} failed after ${libraryScan.elapsedTimestamp} | ${libraryScan.resultStats}.`, err)
task.data.scanResults = libraryScan.scanResults
const taskFailedString = {
text: 'Failed',
key: 'MessageTaskFailed'
}
task.setFailed(taskFailedString)
}
if (this.cancelLibraryScan[libraryScan.libraryId]) delete this.cancelLibraryScan[libraryScan.libraryId]
this.librariesScanning = this.librariesScanning.filter((lid) => lid !== library.id)
TaskManager.taskFinished(task)
libraryScan.saveLog()
}
/**
*
* @param {import('./LibraryScan')} libraryScan
* @param {boolean} forceRescan
* @returns {Promise<boolean>} true if scan canceled
*/
async scanLibrary(libraryScan, forceRescan) {
// Make sure library filter data is set
// this is used to check for existing authors & series
await libraryFilters.getFilterData(libraryScan.libraryMediaType, libraryScan.libraryId)
/** @type {LibraryItemScanData[]} */
let libraryItemDataFound = []
// Scan each library folder
for (let i = 0; i < libraryScan.libraryFolders.length; i++) {
const folder = libraryScan.libraryFolders[i]
const itemDataFoundInFolder = await this.scanFolder(libraryScan.library, folder)
libraryScan.addLog(LogLevel.INFO, `${itemDataFoundInFolder.length} item data found in folder "${folder.path}"`)
libraryItemDataFound = libraryItemDataFound.concat(itemDataFoundInFolder)
}
if (this.shouldCancelScan(libraryScan)) return true
const existingLibraryItems = await Database.libraryItemModel.findAll({
where: {
libraryId: libraryScan.libraryId
}
})
if (this.shouldCancelScan(libraryScan)) return true
const libraryItemIdsMissing = []
let oldLibraryItemsUpdated = []
for (const existingLibraryItem of existingLibraryItems) {
// First try to find matching library item with exact file path
let libraryItemData = libraryItemDataFound.find((lid) => lid.path === existingLibraryItem.path)
if (!libraryItemData) {
// Fallback to finding matching library item with matching inode value
libraryItemData = libraryItemDataFound.find((lid) => ItemToItemInoMatch(lid, existingLibraryItem) || ItemToFileInoMatch(lid, existingLibraryItem) || ItemToFileInoMatch(existingLibraryItem, lid))
if (libraryItemData) {
libraryScan.addLog(LogLevel.INFO, `Library item with path "${existingLibraryItem.path}" was not found, but library item inode "${existingLibraryItem.ino}" was found at path "${libraryItemData.path}"`)
}
}
if (!libraryItemData) {
// Podcast folder can have no episodes and still be valid
if (libraryScan.libraryMediaType === 'podcast' && (await fs.pathExists(existingLibraryItem.path))) {
libraryScan.addLog(LogLevel.INFO, `Library item "${existingLibraryItem.relPath}" folder exists but has no episodes`)
} else {
libraryScan.addLog(LogLevel.WARN, `Library Item "${existingLibraryItem.path}" (inode: ${existingLibraryItem.ino}) is missing`)
libraryScan.resultsMissing++
if (!existingLibraryItem.isMissing) {
libraryItemIdsMissing.push(existingLibraryItem.id)
// TODO: Temporary while using old model to socket emit
const oldLibraryItem = await Database.libraryItemModel.getOldById(existingLibraryItem.id)
if (oldLibraryItem) {
oldLibraryItem.isMissing = true
oldLibraryItem.updatedAt = Date.now()
oldLibraryItemsUpdated.push(oldLibraryItem)
}
}
}
} else {
libraryItemDataFound = libraryItemDataFound.filter((lidf) => lidf !== libraryItemData)
let libraryItemDataUpdated = await libraryItemData.checkLibraryItemData(existingLibraryItem, libraryScan)
if (libraryItemDataUpdated || forceRescan) {
if (forceRescan || libraryItemData.hasLibraryFileChanges || libraryItemData.hasPathChange) {
const { libraryItem, wasUpdated } = await LibraryItemScanner.rescanLibraryItemMedia(existingLibraryItem, libraryItemData, libraryScan.library.settings, libraryScan)
if (!forceRescan || wasUpdated) {
libraryScan.resultsUpdated++
const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
oldLibraryItemsUpdated.push(oldLibraryItem)
} else {
libraryScan.addLog(LogLevel.DEBUG, `Library item "${existingLibraryItem.relPath}" is up-to-date`)
}
} else {
libraryScan.resultsUpdated++
// TODO: Temporary while using old model to socket emit
const oldLibraryItem = await Database.libraryItemModel.getOldById(existingLibraryItem.id)
oldLibraryItemsUpdated.push(oldLibraryItem)
}
} else {
libraryScan.addLog(LogLevel.DEBUG, `Library item "${existingLibraryItem.relPath}" is up-to-date`)
}
}
// Emit item updates in chunks of 10 to client
if (oldLibraryItemsUpdated.length === 10) {
// TODO: Should only emit to clients where library item is accessible
SocketAuthority.emitter(
'items_updated',
oldLibraryItemsUpdated.map((li) => li.toJSONExpanded())
)
oldLibraryItemsUpdated = []
}
if (this.shouldCancelScan(libraryScan)) return true
}
// Emit item updates to client
if (oldLibraryItemsUpdated.length) {
// TODO: Should only emit to clients where library item is accessible
SocketAuthority.emitter(
'items_updated',
oldLibraryItemsUpdated.map((li) => li.toJSONExpanded())
)
}
// Authors and series that were removed from books should be removed if they are now empty
await LibraryItemScanner.checkAuthorsAndSeriesRemovedFromBooks(libraryScan.libraryId, libraryScan)
// Update missing library items
if (libraryItemIdsMissing.length) {
libraryScan.addLog(LogLevel.INFO, `Updating ${libraryItemIdsMissing.length} library items missing`)
await Database.libraryItemModel.update(
{
isMissing: true,
lastScan: Date.now(),
lastScanVersion: packageJson.version
},
{
where: {
id: libraryItemIdsMissing
}
}
)
}
if (this.shouldCancelScan(libraryScan)) return true
// Add new library items
if (libraryItemDataFound.length) {
let newOldLibraryItems = []
for (const libraryItemData of libraryItemDataFound) {
const newLibraryItem = await LibraryItemScanner.scanNewLibraryItem(libraryItemData, libraryScan.library.settings, libraryScan)
if (newLibraryItem) {
const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(newLibraryItem)
newOldLibraryItems.push(oldLibraryItem)
libraryScan.resultsAdded++
}
// Emit new items in chunks of 10 to client
if (newOldLibraryItems.length === 10) {
// TODO: Should only emit to clients where library item is accessible
SocketAuthority.emitter(
'items_added',
newOldLibraryItems.map((li) => li.toJSONExpanded())
)
newOldLibraryItems = []
}
if (this.shouldCancelScan(libraryScan)) return true
}
// Emit new items to client
if (newOldLibraryItems.length) {
// TODO: Should only emit to clients where library item is accessible
SocketAuthority.emitter(
'items_added',
newOldLibraryItems.map((li) => li.toJSONExpanded())
)
}
}
libraryScan.addLog(LogLevel.INFO, `Scan completed. ${libraryScan.resultStats}`)
return false
}
shouldCancelScan(libraryScan) {
if (this.cancelLibraryScan[libraryScan.libraryId]) {
libraryScan.addLog(LogLevel.INFO, `Scan canceled. ${libraryScan.resultStats}`)
return true
}
return false
}
/**
* Get scan data for library folder
* @param {import('../models/Library')} library
* @param {import('../models/LibraryFolder')} folder
* @returns {LibraryItemScanData[]}
*/
async scanFolder(library, folder) {
const folderPath = fileUtils.filePathToPOSIX(folder.path)
const pathExists = await fs.pathExists(folderPath)
if (!pathExists) {
Logger.error(`[scandir] Invalid folder path does not exist "${folderPath}"`)
return []
}
const fileItems = await fileUtils.recurseFiles(folderPath)
const libraryItemGrouping = scanUtils.groupFileItemsIntoLibraryItemDirs(library.mediaType, fileItems, library.settings.audiobooksOnly)
if (!Object.keys(libraryItemGrouping).length) {
Logger.error(`Root path has no media folders: ${folderPath}`)
return []
}
const items = []
for (const libraryItemPath in libraryItemGrouping) {
let isFile = false // item is not in a folder
let libraryItemData = null
let fileObjs = []
if (libraryItemPath === libraryItemGrouping[libraryItemPath]) {
// Media file in root only get title
libraryItemData = {
mediaMetadata: {
title: Path.basename(libraryItemPath, Path.extname(libraryItemPath))
},
path: Path.posix.join(folderPath, libraryItemPath),
relPath: libraryItemPath
}
fileObjs = await scanUtils.buildLibraryFile(folderPath, [libraryItemPath])
isFile = true
} else {
libraryItemData = scanUtils.getDataFromMediaDir(library.mediaType, folderPath, libraryItemPath)
fileObjs = await scanUtils.buildLibraryFile(libraryItemData.path, libraryItemGrouping[libraryItemPath])
}
const libraryItemFolderStats = await fileUtils.getFileTimestampsWithIno(libraryItemData.path)
if (!libraryItemFolderStats.ino) {
Logger.warn(`[LibraryScanner] Library item folder "${libraryItemData.path}" has no inode value`)
continue
}
items.push(
new LibraryItemScanData({
libraryFolderId: folder.id,
libraryId: folder.libraryId,
mediaType: library.mediaType,
ino: libraryItemFolderStats.ino,
mtimeMs: libraryItemFolderStats.mtimeMs || 0,
ctimeMs: libraryItemFolderStats.ctimeMs || 0,
birthtimeMs: libraryItemFolderStats.birthtimeMs || 0,
path: libraryItemData.path,
relPath: libraryItemData.relPath,
isFile,
mediaMetadata: libraryItemData.mediaMetadata || null,
libraryFiles: fileObjs
})
)
}
return items
}
/**
* Scan files changed from Watcher
* @param {import('../Watcher').PendingFileUpdate[]} fileUpdates
* @param {Task} pendingTask
*/
async scanFilesChanged(fileUpdates, pendingTask) {
if (!fileUpdates?.length) return
// If already scanning files from watcher then add these updates to queue
if (this.scanningFilesChanged) {
this.pendingFileUpdatesToScan.push([fileUpdates, pendingTask])
Logger.debug(`[LibraryScanner] Already scanning files from watcher - file updates pushed to queue (size ${this.pendingFileUpdatesToScan.length})`)
return
}
this.scanningFilesChanged = true
const results = {
added: 0,
updated: 0,
removed: 0
}
// files grouped by folder
const folderGroups = this.getFileUpdatesGrouped(fileUpdates)
for (const folderId in folderGroups) {
const libraryId = folderGroups[folderId].libraryId
const library = await Database.libraryModel.findByPk(libraryId, {
include: {
model: Database.libraryFolderModel,
where: {
id: folderId
}
}
})
if (!library) {
Logger.error(`[LibraryScanner] Library "${libraryId}" not found in files changed ${libraryId}`)
continue
}
const folder = library.libraryFolders[0]
const filePathItems = folderGroups[folderId].fileUpdates.map((fileUpdate) => fileUtils.getFilePathItemFromFileUpdate(fileUpdate))
const fileUpdateGroup = scanUtils.groupFileItemsIntoLibraryItemDirs(library.mediaType, filePathItems, !!library.settings?.audiobooksOnly)
if (!Object.keys(fileUpdateGroup).length) {
Logger.info(`[LibraryScanner] No important changes to scan for in folder "${folderId}"`)
continue
}
const folderScanResults = await this.scanFolderUpdates(library, folder, fileUpdateGroup)
Logger.debug(`[LibraryScanner] Folder scan results`, folderScanResults)
// Tally results to share with client
let resetFilterData = false
Object.values(folderScanResults).forEach((scanResult) => {
if (scanResult === ScanResult.ADDED) {
resetFilterData = true
results.added++
} else if (scanResult === ScanResult.REMOVED) {
resetFilterData = true
results.removed++
} else if (scanResult === ScanResult.UPDATED) {
resetFilterData = true
results.updated++
}
})
// If something was updated then reset numIssues filter data for library
if (resetFilterData) {
await Database.resetLibraryIssuesFilterData(libraryId)
}
}
// Complete task and send results to client
const resultStrs = []
if (results.added) resultStrs.push(`${results.added} added`)
if (results.updated) resultStrs.push(`${results.updated} updated`)
if (results.removed) resultStrs.push(`${results.removed} missing`)
let scanResultStr = 'No changes needed'
if (resultStrs.length) scanResultStr = resultStrs.join(', ')
pendingTask.data.scanResults = {
...results,
text: scanResultStr,
elapsed: Date.now() - pendingTask.startedAt
}
pendingTask.setFinished(null, true)
TaskManager.taskFinished(pendingTask)
this.scanningFilesChanged = false
if (this.pendingFileUpdatesToScan.length) {
Logger.debug(`[LibraryScanner] File updates finished scanning with more updates in queue (${this.pendingFileUpdatesToScan.length})`)
this.scanFilesChanged(...this.pendingFileUpdatesToScan.shift())
}
}
/**
* Group array of PendingFileUpdate from Watcher by folder
* @param {import('../Watcher').PendingFileUpdate[]} fileUpdates
* @returns {Record<string,{libraryId:string, folderId:string, fileUpdates:import('../Watcher').PendingFileUpdate[]}>}
*/
getFileUpdatesGrouped(fileUpdates) {
const 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
}
/**
* Scan grouped paths for library folder coming from Watcher
* @param {import('../models/Library')} library
* @param {import('../models/LibraryFolder')} folder
* @param {Record<string, string[]>} fileUpdateGroup
* @returns {Promise<Record<string,number>>}
*/
async scanFolderUpdates(library, folder, fileUpdateGroup) {
// Make sure library filter data is set
// this is used to check for existing authors & series
await libraryFilters.getFilterData(library.mediaType, library.id)
Logger.debug(`[Scanner] Scanning file update groups in folder "${folder.id}" of library "${library.name}"`)
Logger.debug(`[Scanner] scanFolderUpdates fileUpdateGroup`, fileUpdateGroup)
// 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
const updateGroup = { ...fileUpdateGroup }
for (const itemDir in updateGroup) {
if (isSingleMediaFile(fileUpdateGroup, itemDir)) continue // Media in root path
const itemDirNestedFiles = fileUpdateGroup[itemDir].filter((b) => b.includes('/'))
if (!itemDirNestedFiles.length) continue
const firstNest = itemDirNestedFiles[0].split('/').shift()
const altDir = `${itemDir}/${firstNest}`
const fullPath = Path.posix.join(fileUtils.filePathToPOSIX(folder.path), itemDir)
const childLibraryItem = await Database.libraryItemModel.findOne({
attributes: ['id', 'path'],
where: {
path: {
[sequelize.Op.not]: fullPath
},
path: {
[sequelize.Op.startsWith]: fullPath
}
}
})
if (!childLibraryItem) {
continue
}
const altFullPath = Path.posix.join(fileUtils.filePathToPOSIX(folder.path), altDir)
const altChildLibraryItem = await Database.libraryItemModel.findOne({
attributes: ['id', 'path'],
where: {
path: {
[sequelize.Op.not]: altFullPath
},
path: {
[sequelize.Op.startsWith]: altFullPath
}
}
})
if (altChildLibraryItem) {
continue
}
delete fileUpdateGroup[itemDir]
fileUpdateGroup[altDir] = itemDirNestedFiles.map((f) => f.split('/').slice(1).join('/'))
Logger.warn(`[LibraryScanner] Some files were modified in a parent directory of a library item "${childLibraryItem.path}" - ignoring`)
}
// Second pass: Check for new/updated/removed items
const itemGroupingResults = {}
for (const itemDir in fileUpdateGroup) {
const fullPath = Path.posix.join(fileUtils.filePathToPOSIX(folder.path), itemDir)
const itemDirParts = itemDir.split('/').slice(0, -1)
const potentialChildDirs = [fullPath]
for (let i = 0; i < itemDirParts.length; i++) {
potentialChildDirs.push(
Path.posix.join(
fileUtils.filePathToPOSIX(folder.path),
itemDir
.split('/')
.slice(0, -1 - i)
.join('/')
)
)
}
// Check if book dir group is already an item
let existingLibraryItem = await Database.libraryItemModel.findOneOld({
libraryId: library.id,
path: potentialChildDirs
})
let updatedLibraryItemDetails = {}
if (!existingLibraryItem) {
const isSingleMedia = isSingleMediaFile(fileUpdateGroup, itemDir)
existingLibraryItem = (await findLibraryItemByItemToItemInoMatch(library.id, fullPath)) || (await findLibraryItemByItemToFileInoMatch(library.id, fullPath, isSingleMedia)) || (await findLibraryItemByFileToItemInoMatch(library.id, fullPath, isSingleMedia, fileUpdateGroup[itemDir]))
if (existingLibraryItem) {
// Update library item paths for scan
existingLibraryItem.path = fullPath
existingLibraryItem.relPath = itemDir
updatedLibraryItemDetails.path = fullPath
updatedLibraryItemDetails.relPath = itemDir
updatedLibraryItemDetails.libraryFolderId = folder.id
updatedLibraryItemDetails.isFile = isSingleMedia
}
}
if (existingLibraryItem) {
// Is the item exactly - check if was deleted
if (existingLibraryItem.path === fullPath) {
const exists = await fs.pathExists(fullPath)
if (!exists) {
Logger.info(`[LibraryScanner] Scanning file update group and library item was deleted "${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}" with id "${existingLibraryItem.id}" - scan for updates`)
itemGroupingResults[itemDir] = await LibraryItemScanner.scanLibraryItem(existingLibraryItem.id, updatedLibraryItemDetails)
continue
} else if (library.settings.audiobooksOnly && !hasAudioFiles(fileUpdateGroup, itemDir)) {
Logger.debug(`[LibraryScanner] Folder update for relative path "${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 "${library.name}"`)
const isSingleMediaItem = isSingleMediaFile(fileUpdateGroup, itemDir)
const newLibraryItem = await LibraryItemScanner.scanPotentialNewLibraryItem(fullPath, library, folder, isSingleMediaItem)
if (newLibraryItem) {
const oldNewLibraryItem = Database.libraryItemModel.getOldLibraryItem(newLibraryItem)
SocketAuthority.emitter('item_added', oldNewLibraryItem.toJSONExpanded())
}
itemGroupingResults[itemDir] = newLibraryItem ? ScanResult.ADDED : ScanResult.NOTHING
}
return itemGroupingResults
}
}
module.exports = new LibraryScanner()
function ItemToFileInoMatch(libraryItem1, libraryItem2) {
return libraryItem1.isFile && libraryItem2.libraryFiles.some((lf) => lf.ino === libraryItem1.ino)
}
function ItemToItemInoMatch(libraryItem1, libraryItem2) {
return libraryItem1.ino === libraryItem2.ino
}
function hasAudioFiles(fileUpdateGroup, itemDir) {
return isSingleMediaFile(fileUpdateGroup, itemDir) ? scanUtils.checkFilepathIsAudioFile(fileUpdateGroup[itemDir]) : fileUpdateGroup[itemDir].some(scanUtils.checkFilepathIsAudioFile)
}
function isSingleMediaFile(fileUpdateGroup, itemDir) {
return itemDir === fileUpdateGroup[itemDir]
}
async function findLibraryItemByItemToItemInoMatch(libraryId, fullPath) {
const ino = await fileUtils.getIno(fullPath)
if (!ino) return null
const existingLibraryItem = await Database.libraryItemModel.findOneOld({
libraryId: libraryId,
ino: ino
})
if (existingLibraryItem) Logger.debug(`[LibraryScanner] Found library item with matching inode "${ino}" at path "${existingLibraryItem.path}"`)
return existingLibraryItem
}
async function findLibraryItemByItemToFileInoMatch(libraryId, fullPath, isSingleMedia) {
if (!isSingleMedia) return null
// check if it was moved from another folder by comparing the ino to the library files
const ino = await fileUtils.getIno(fullPath)
if (!ino) return null
const existingLibraryItem = await Database.libraryItemModel.findOneOld(
[
{
libraryId: libraryId
},
sequelize.where(sequelize.literal('(SELECT count(*) FROM json_each(libraryFiles) WHERE json_valid(json_each.value) AND json_each.value->>"$.ino" = :inode)'), {
[sequelize.Op.gt]: 0
})
],
{
inode: ino
}
)
if (existingLibraryItem) Logger.debug(`[LibraryScanner] Found library item with a library file matching inode "${ino}" at path "${existingLibraryItem.path}"`)
return existingLibraryItem
}
async function findLibraryItemByFileToItemInoMatch(libraryId, fullPath, isSingleMedia, itemFiles) {
if (isSingleMedia) return null
// check if it was moved from the root folder by comparing the ino to the ino of the scanned files
let itemFileInos = []
for (const itemFile of itemFiles) {
const ino = await fileUtils.getIno(Path.posix.join(fullPath, itemFile))
if (ino) itemFileInos.push(ino)
}
if (!itemFileInos.length) return null
const existingLibraryItem = await Database.libraryItemModel.findOneOld({
libraryId: libraryId,
ino: {
[sequelize.Op.in]: itemFileInos
}
})
if (existingLibraryItem) Logger.debug(`[LibraryScanner] Found library item with inode matching one of "${itemFileInos.join(',')}" at path "${existingLibraryItem.path}"`)
return existingLibraryItem
}