nextcloud-desktop/shell_integration/MacOSX/NextcloudIntegration/FileProviderExt/Database/NextcloudFilesDatabaseManager.swift

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/*
* Copyright (C) 2022 by Claudio Cambra <claudio.cambra@nextcloud.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
import Foundation
import RealmSwift
import FileProvider
import NextcloudKit
import OSLog
class NextcloudFilesDatabaseManager : NSObject {
static let shared = {
return NextcloudFilesDatabaseManager();
}()
let relativeDatabaseFolderPath = "Database/"
let databaseFilename = "fileproviderextdatabase.realm"
let relativeDatabaseFilePath: String
var databasePath: URL?
let schemaVersion: UInt64 = 100
override init() {
self.relativeDatabaseFilePath = self.relativeDatabaseFolderPath + self.databaseFilename
guard let fileProviderDataDirUrl = pathForFileProviderExtData() else {
super.init()
return
}
self.databasePath = fileProviderDataDirUrl.appendingPathComponent(self.relativeDatabaseFilePath)
// Disable file protection for directory DB
// https://docs.mongodb.com/realm/sdk/ios/examples/configure-and-open-a-realm/#std-label-ios-open-a-local-realm
let dbFolder = fileProviderDataDirUrl.appendingPathComponent(self.relativeDatabaseFolderPath)
let dbFolderPath = dbFolder.path
do {
try FileManager.default.createDirectory(at: dbFolder, withIntermediateDirectories: true)
try FileManager.default.setAttributes([FileAttributeKey.protectionKey: FileProtectionType.completeUntilFirstUserAuthentication], ofItemAtPath: dbFolderPath)
} catch let error {
Logger.ncFilesDatabase.error("Could not set permission level for File Provider database folder, received error: \(error.localizedDescription, privacy: .public)")
}
let config = Realm.Configuration(
fileURL: self.databasePath,
schemaVersion: self.schemaVersion,
objectTypes: [NextcloudItemMetadataTable.self, NextcloudLocalFileMetadataTable.self]
)
Realm.Configuration.defaultConfiguration = config
do {
_ = try Realm()
Logger.ncFilesDatabase.info("Successfully started Realm db for FileProviderExt")
} catch let error as NSError {
Logger.ncFilesDatabase.error("Error opening Realm db: \(error.localizedDescription, privacy: .public)")
}
super.init()
}
private func ncDatabase() -> Realm {
let realm = try! Realm()
realm.refresh()
return realm
}
func anyItemMetadatasForAccount(_ account: String) -> Bool {
return !ncDatabase().objects(NextcloudItemMetadataTable.self).filter("account == %@", account).isEmpty
}
func itemMetadataFromOcId(_ ocId: String) -> NextcloudItemMetadataTable? {
// Realm objects are live-fire, i.e. they will be changed and invalidated according to changes in the db
// Let's therefore create a copy
if let itemMetadata = ncDatabase().objects(NextcloudItemMetadataTable.self).filter("ocId == %@", ocId).first {
return NextcloudItemMetadataTable(value: itemMetadata)
}
return nil
}
private func sortedItemMetadatas(_ metadatas: Results<NextcloudItemMetadataTable>) -> [NextcloudItemMetadataTable] {
let sortedMetadatas = metadatas.sorted(byKeyPath: "fileName", ascending: true)
return Array(sortedMetadatas.map { NextcloudItemMetadataTable(value: $0) })
}
func itemMetadatas(account: String) -> [NextcloudItemMetadataTable] {
let metadatas = ncDatabase().objects(NextcloudItemMetadataTable.self).filter("account == %@", account)
return sortedItemMetadatas(metadatas)
}
func itemMetadatas(account: String, serverUrl: String) -> [NextcloudItemMetadataTable] {
let metadatas = ncDatabase().objects(NextcloudItemMetadataTable.self).filter("account == %@ AND serverUrl == %@", account, serverUrl)
return sortedItemMetadatas(metadatas)
}
func itemMetadatas(account: String, serverUrl: String, status: NextcloudItemMetadataTable.Status) -> [NextcloudItemMetadataTable] {
let metadatas = ncDatabase().objects(NextcloudItemMetadataTable.self).filter("account == %@ AND serverUrl == %@ AND status == %@", account, serverUrl, status.rawValue)
return sortedItemMetadatas(metadatas)
}
func itemMetadataFromFileProviderItemIdentifier(_ identifier: NSFileProviderItemIdentifier) -> NextcloudItemMetadataTable? {
let ocId = identifier.rawValue
return itemMetadataFromOcId(ocId)
}
private func processItemMetadatasToDelete(existingMetadatas: Results<NextcloudItemMetadataTable>,
updatedMetadatas: [NextcloudItemMetadataTable]) -> [NextcloudItemMetadataTable] {
var deletedMetadatas: [NextcloudItemMetadataTable] = []
for existingMetadata in existingMetadatas {
guard !updatedMetadatas.contains(where: { $0.ocId == existingMetadata.ocId }),
let metadataToDelete = itemMetadataFromOcId(existingMetadata.ocId) else { continue }
deletedMetadatas.append(metadataToDelete)
Logger.ncFilesDatabase.debug("Deleting item metadata during update. ocID: \(existingMetadata.ocId, privacy: .public), etag: \(existingMetadata.etag, privacy: .public), fileName: \(existingMetadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash))")
}
return deletedMetadatas
}
private func processItemMetadatasToUpdate(existingMetadatas: Results<NextcloudItemMetadataTable>,
updatedMetadatas: [NextcloudItemMetadataTable],
updateDirectoryEtags: Bool) -> (newMetadatas: [NextcloudItemMetadataTable], updatedMetadatas: [NextcloudItemMetadataTable], directoriesNeedingRename: [NextcloudItemMetadataTable]) {
var returningNewMetadatas: [NextcloudItemMetadataTable] = []
var returningUpdatedMetadatas: [NextcloudItemMetadataTable] = []
var directoriesNeedingRename: [NextcloudItemMetadataTable] = []
for updatedMetadata in updatedMetadatas {
if let existingMetadata = existingMetadatas.first(where: { $0.ocId == updatedMetadata.ocId }) {
if existingMetadata.status == NextcloudItemMetadataTable.Status.normal.rawValue &&
!existingMetadata.isInSameDatabaseStoreableRemoteState(updatedMetadata) {
if updatedMetadata.directory {
if updatedMetadata.serverUrl != existingMetadata.serverUrl || updatedMetadata.fileName != existingMetadata.fileName {
directoriesNeedingRename.append(NextcloudItemMetadataTable(value: updatedMetadata))
updatedMetadata.etag = "" // Renaming doesn't change the etag so reset manually
} else if !updateDirectoryEtags {
updatedMetadata.etag = existingMetadata.etag
}
}
returningUpdatedMetadatas.append(updatedMetadata)
Logger.ncFilesDatabase.debug("Updated existing item metadata. ocID: \(updatedMetadata.ocId, privacy: .public), etag: \(updatedMetadata.etag, privacy: .public), fileName: \(updatedMetadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash))")
} else {
Logger.ncFilesDatabase.debug("Skipping item metadata update; same as existing, or still downloading/uploading. ocID: \(updatedMetadata.ocId, privacy: .public), etag: \(updatedMetadata.etag, privacy: .public), fileName: \(updatedMetadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash))")
}
} else { // This is a new metadata
returningNewMetadatas.append(updatedMetadata)
Logger.ncFilesDatabase.debug("Created new item metadata during update. ocID: \(updatedMetadata.ocId, privacy: .public), etag: \(updatedMetadata.etag, privacy: .public), fileName: \(updatedMetadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash))")
}
}
return (returningNewMetadatas, returningUpdatedMetadatas, directoriesNeedingRename)
}
func updateItemMetadatas(account: String, serverUrl: String, updatedMetadatas: [NextcloudItemMetadataTable], updateDirectoryEtags: Bool) -> (newMetadatas: [NextcloudItemMetadataTable]?, updatedMetadatas: [NextcloudItemMetadataTable]?, deletedMetadatas: [NextcloudItemMetadataTable]?) {
let database = ncDatabase()
do {
let existingMetadatas = database.objects(NextcloudItemMetadataTable.self).filter("account == %@ AND serverUrl == %@ AND status == %@", account, serverUrl, NextcloudItemMetadataTable.Status.normal.rawValue)
let metadatasToDelete = processItemMetadatasToDelete(existingMetadatas: existingMetadatas,
updatedMetadatas: updatedMetadatas)
let metadatasToChange = processItemMetadatasToUpdate(existingMetadatas: existingMetadatas,
updatedMetadatas: updatedMetadatas,
updateDirectoryEtags: updateDirectoryEtags)
var metadatasToUpdate = metadatasToChange.updatedMetadatas
let metadatasToCreate = metadatasToChange.newMetadatas
let directoriesNeedingRename = metadatasToChange.directoriesNeedingRename
let metadatasToAdd = Array(metadatasToUpdate.map { NextcloudItemMetadataTable(value: $0) }) +
Array(metadatasToCreate.map { NextcloudItemMetadataTable(value: $0) })
try database.write {
for metadata in metadatasToDelete {
// Can't pass copies, we need the originals from the database
database.delete(ncDatabase().objects(NextcloudItemMetadataTable.self).filter("ocId == %@", metadata.ocId))
}
for metadata in metadatasToAdd {
database.add(metadata, update: .all)
}
}
for metadata in directoriesNeedingRename {
if let updatedDirectoryChildren = renameDirectoryAndPropagateToChildren(ocId: metadata.ocId, newServerUrl: metadata.serverUrl, newFileName: metadata.fileName) {
metadatasToUpdate += updatedDirectoryChildren
}
}
return (newMetadatas: metadatasToCreate, updatedMetadatas: metadatasToUpdate, deletedMetadatas: metadatasToDelete)
} catch let error {
Logger.ncFilesDatabase.error("Could not update any item metadatas, received error: \(error.localizedDescription, privacy: .public)")
return (nil, nil, nil)
}
}
func setStatusForItemMetadata(_ metadata: NextcloudItemMetadataTable, status: NextcloudItemMetadataTable.Status, completionHandler: @escaping(_ updatedMetadata: NextcloudItemMetadataTable?) -> Void) {
let database = ncDatabase()
do {
try database.write {
guard let result = database.objects(NextcloudItemMetadataTable.self).filter("ocId == %@", metadata.ocId).first else {
Logger.ncFilesDatabase.debug("Did not update status for item metadata as it was not found. ocID: \(metadata.ocId, privacy: .public)")
return
}
result.status = status.rawValue
database.add(result, update: .all)
Logger.ncFilesDatabase.debug("Updated status for item metadata. ocID: \(metadata.ocId, privacy: .public), etag: \(metadata.etag, privacy: .public), fileName: \(metadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash))")
completionHandler(NextcloudItemMetadataTable(value: result))
}
} catch let error {
Logger.ncFilesDatabase.error("Could not update status for item metadata with ocID: \(metadata.ocId, privacy: .public), etag: \(metadata.etag, privacy: .public), fileName: \(metadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash)), received error: \(error.localizedDescription, privacy: .public)")
completionHandler(nil)
}
}
func addItemMetadata(_ metadata: NextcloudItemMetadataTable) {
let database = ncDatabase()
do {
try database.write {
database.add(metadata, update: .all)
Logger.ncFilesDatabase.debug("Added item metadata. ocID: \(metadata.ocId, privacy: .public), etag: \(metadata.etag, privacy: .public), fileName: \(metadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash))")
}
} catch let error {
Logger.ncFilesDatabase.error("Could not add item metadata. ocID: \(metadata.ocId, privacy: .public), etag: \(metadata.etag, privacy: .public), fileName: \(metadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash)), received error: \(error.localizedDescription, privacy: .public)")
}
}
func deleteItemMetadata(ocId: String) {
let database = ncDatabase()
do {
try database.write {
let results = database.objects(NextcloudItemMetadataTable.self).filter("ocId == %@", ocId)
Logger.ncFilesDatabase.debug("Deleting item metadata. \(ocId, privacy: .public)")
database.delete(results)
}
} catch let error {
Logger.ncFilesDatabase.error("Could not delete item metadata with ocId: \(ocId, privacy: .public), received error: \(error.localizedDescription, privacy: .public)")
}
}
func renameItemMetadata(ocId: String, newServerUrl: String, newFileName: String) {
let database = ncDatabase()
do {
try database.write {
guard let itemMetadata = database.objects(NextcloudItemMetadataTable.self).filter("ocId == %@", ocId).first else {
Logger.ncFilesDatabase.debug("Could not find an item with ocID \(ocId, privacy: .public) to rename to \(newFileName, privacy: OSLogPrivacy.auto(mask: .hash))")
return
}
let oldFileName = itemMetadata.fileName
let oldServerUrl = itemMetadata.serverUrl
itemMetadata.fileName = newFileName
itemMetadata.fileNameView = newFileName
itemMetadata.serverUrl = newServerUrl
database.add(itemMetadata, update: .all)
Logger.ncFilesDatabase.debug("Renamed item \(oldFileName, privacy: OSLogPrivacy.auto(mask: .hash)) to \(newFileName, privacy: OSLogPrivacy.auto(mask: .hash)), moved from serverUrl: \(oldServerUrl, privacy: OSLogPrivacy.auto(mask: .hash)) to serverUrl: \(newServerUrl, privacy: OSLogPrivacy.auto(mask: .hash))")
}
} catch let error {
Logger.ncFilesDatabase.error("Could not rename filename of item metadata with ocID: \(ocId, privacy: .public) to proposed name \(newFileName, privacy: OSLogPrivacy.auto(mask: .hash)) at proposed serverUrl \(newServerUrl, privacy: OSLogPrivacy.auto(mask: .hash)), received error: \(error.localizedDescription, privacy: .public)")
}
}
func parentItemIdentifierFromMetadata(_ metadata: NextcloudItemMetadataTable) -> NSFileProviderItemIdentifier? {
let homeServerFilesUrl = metadata.urlBase + "/remote.php/dav/files/" + metadata.userId
if metadata.serverUrl == homeServerFilesUrl {
return .rootContainer
}
guard let itemParentDirectory = parentDirectoryMetadataForItem(metadata) else {
Logger.ncFilesDatabase.error("Could not get item parent directory metadata for metadata. ocID: \(metadata.ocId, privacy: .public), etag: \(metadata.etag, privacy: .public), fileName: \(metadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash))")
return nil
}
if let parentDirectoryMetadata = itemMetadataFromOcId(itemParentDirectory.ocId) {
return NSFileProviderItemIdentifier(parentDirectoryMetadata.ocId)
}
Logger.ncFilesDatabase.error("Could not get item parent directory item metadata for metadata. ocID: \(metadata.ocId, privacy: .public), etag: \(metadata.etag, privacy: .public), fileName: \(metadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash))")
return nil
}
func directoryMetadata(account: String, serverUrl: String) -> NextcloudItemMetadataTable? {
// We want to split by "/" (e.g. cloud.nc.com/files/a/b) but we need to be mindful of "https://c.nc.com"
let problematicSeparator = "://"
let placeholderSeparator = "__TEMP_REPLACE__"
let serverUrlWithoutPrefix = serverUrl.replacingOccurrences(of: problematicSeparator, with: placeholderSeparator)
var splitServerUrl = serverUrlWithoutPrefix.split(separator: "/")
let directoryItemFileName = String(splitServerUrl.removeLast())
let directoryItemServerUrl = splitServerUrl.joined(separator: "/").replacingOccurrences(of: placeholderSeparator, with: problematicSeparator)
if let metadata = ncDatabase().objects(NextcloudItemMetadataTable.self).filter("account == %@ AND serverUrl == %@ AND fileName == %@ AND directory == true", account, directoryItemServerUrl, directoryItemFileName).first {
return NextcloudItemMetadataTable(value: metadata)
}
return nil
}
func childDirectoriesForDirectory(_ directoryMetadata: NextcloudItemMetadataTable) -> [NextcloudItemMetadataTable] {
let directoryServerUrl = directoryMetadata.serverUrl + "/" + directoryMetadata.fileName
let metadatas = ncDatabase().objects(NextcloudItemMetadataTable.self).filter("serverUrl BEGINSWITH %@ AND ocId != %@ AND directory == true", directoryServerUrl, directoryMetadata.account)
return sortedItemMetadatas(metadatas)
}
func parentDirectoryMetadataForItem(_ itemMetadata: NextcloudItemMetadataTable) -> NextcloudItemMetadataTable? {
return directoryMetadata(account: itemMetadata.account, serverUrl: itemMetadata.serverUrl)
}
func directoryMetadata(ocId: String) -> NextcloudItemMetadataTable? {
if let metadata = ncDatabase().objects(NextcloudItemMetadataTable.self).filter("ocId == %@ AND directory == true", ocId).first {
return NextcloudItemMetadataTable(value: metadata)
}
return nil
}
func directoryMetadatas(account: String) -> [NextcloudItemMetadataTable] {
let metadatas = ncDatabase().objects(NextcloudItemMetadataTable.self).filter("account == %@ AND directory == true", account)
return sortedItemMetadatas(metadatas)
}
func directoryMetadatas(account: String, parentDirectoryServerUrl: String) -> [NextcloudItemMetadataTable] {
let metadatas = ncDatabase().objects(NextcloudItemMetadataTable.self).filter("account == %@ AND parentDirectoryServerUrl == %@ AND directory == true", account, parentDirectoryServerUrl)
return sortedItemMetadatas(metadatas)
}
// Deletes all metadatas related to the info of the directory provided
func deleteDirectoryAndSubdirectoriesMetadata(ocId: String) {
let database = ncDatabase()
guard let directoryMetadata = database.objects(NextcloudItemMetadataTable.self).filter("ocId == %@ AND directory == true", ocId).first else {
Logger.ncFilesDatabase.error("Could not find directory metadata for ocId \(ocId, privacy: .public). Not proceeding with deletion")
return
}
let directoryUrlPath = directoryMetadata.serverUrl + "/" + directoryMetadata.fileName
let results = database.objects(NextcloudItemMetadataTable.self).filter("account == %@ AND serverUrl BEGINSWITH %@", directoryMetadata.account, directoryUrlPath)
for result in results {
deleteItemMetadata(ocId: result.ocId)
deleteLocalFileMetadata(ocId: result.ocId)
}
do {
try database.write {
Logger.ncFilesDatabase.debug("Deleting root directory metadata in recursive delete. ocID: \(directoryMetadata.ocId, privacy: .public), etag: \(directoryMetadata.etag, privacy: .public), serverUrl: \(directoryUrlPath)")
database.delete(results)
}
} catch let error {
Logger.ncFilesDatabase.error("Could not delete root directory metadata in recursive delete. ocID: \(directoryMetadata.ocId, privacy: .public), etag: \(directoryMetadata.etag, privacy: .public), serverUrl: \(directoryUrlPath), received error: \(error.localizedDescription, privacy: .public)")
}
}
func renameDirectoryAndPropagateToChildren(ocId: String, newServerUrl: String, newFileName: String) -> [NextcloudItemMetadataTable]? {
let database = ncDatabase()
guard let directoryMetadata = database.objects(NextcloudItemMetadataTable.self).filter("ocId == %@ AND directory == true", ocId).first else {
Logger.ncFilesDatabase.error("Could not find a directory with ocID \(ocId, privacy: .public), cannot proceed with recursive renaming")
return nil
}
let oldServerUrl = directoryMetadata.serverUrl + "/" + directoryMetadata.fileName
let childItemResults = database.objects(NextcloudItemMetadataTable.self).filter("account == %@ AND serverUrl BEGINSWITH %@", directoryMetadata.account, oldServerUrl)
renameItemMetadata(ocId: ocId, newServerUrl: newServerUrl, newFileName: newFileName)
Logger.ncFilesDatabase.debug("Renamed root renaming directory")
do {
try database.write {
for childItem in childItemResults {
let oldServerUrl = childItem.serverUrl
let movedServerUrl = oldServerUrl.replacingOccurrences(of: oldServerUrl, with: newServerUrl)
childItem.serverUrl = movedServerUrl
database.add(childItem, update: .all)
Logger.ncFilesDatabase.debug("Moved childItem at \(oldServerUrl) to \(movedServerUrl)")
}
}
} catch let error {
Logger.ncFilesDatabase.error("Could not rename directory metadata with ocId: \(ocId, privacy: .public) to new serverUrl: \(newServerUrl), received error: \(error.localizedDescription, privacy: .public)")
return nil
}
let updatedChildItemResults = database.objects(NextcloudItemMetadataTable.self).filter("account == %@ AND serverUrl BEGINSWITH %@", directoryMetadata.account, newServerUrl)
return sortedItemMetadatas(updatedChildItemResults)
}
func localFileMetadataFromOcId(_ ocId: String) -> NextcloudLocalFileMetadataTable? {
if let metadata = ncDatabase().objects(NextcloudLocalFileMetadataTable.self).filter("ocId == %@", ocId).first {
return NextcloudLocalFileMetadataTable(value: metadata)
}
return nil
}
func addLocalFileMetadataFromItemMetadata(_ itemMetadata: NextcloudItemMetadataTable) {
let database = ncDatabase()
do {
try database.write {
let newLocalFileMetadata = NextcloudLocalFileMetadataTable()
newLocalFileMetadata.ocId = itemMetadata.ocId
newLocalFileMetadata.fileName = itemMetadata.fileName
newLocalFileMetadata.account = itemMetadata.account
newLocalFileMetadata.etag = itemMetadata.etag
newLocalFileMetadata.exifDate = Date()
newLocalFileMetadata.exifLatitude = "-1"
newLocalFileMetadata.exifLongitude = "-1"
database.add(newLocalFileMetadata, update: .all)
Logger.ncFilesDatabase.debug("Added local file metadata from item metadata. ocID: \(itemMetadata.ocId, privacy: .public), etag: \(itemMetadata.etag, privacy: .public), fileName: \(itemMetadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash))")
}
} catch let error {
Logger.ncFilesDatabase.error("Could not add local file metadata from item metadata. ocID: \(itemMetadata.ocId, privacy: .public), etag: \(itemMetadata.etag, privacy: .public), fileName: \(itemMetadata.fileName, privacy: OSLogPrivacy.auto(mask: .hash)), received error: \(error.localizedDescription, privacy: .public)")
}
}
func deleteLocalFileMetadata(ocId: String) {
let database = ncDatabase()
do {
try database.write {
let results = database.objects(NextcloudLocalFileMetadataTable.self).filter("ocId == %@", ocId)
database.delete(results)
}
} catch let error {
Logger.ncFilesDatabase.error("Could not delete local file metadata with ocId: \(ocId, privacy: .public), received error: \(error.localizedDescription, privacy: .public)")
}
}
private func sortedLocalFileMetadatas(_ metadatas: Results<NextcloudLocalFileMetadataTable>) -> [NextcloudLocalFileMetadataTable] {
let sortedMetadatas = metadatas.sorted(byKeyPath: "fileName", ascending: true)
return Array(sortedMetadatas.map { NextcloudLocalFileMetadataTable(value: $0) })
}
func localFileMetadatas(account: String) -> [NextcloudLocalFileMetadataTable] {
let results = ncDatabase().objects(NextcloudLocalFileMetadataTable.self).filter("account == %@", account)
return sortedLocalFileMetadatas(results)
}
func localFileItemMetadatas(account: String) -> [NextcloudItemMetadataTable] {
let localFileMetadatas = localFileMetadatas(account: account)
let localFileMetadatasOcIds = Array(localFileMetadatas.map { $0.ocId })
var itemMetadatas: [NextcloudItemMetadataTable] = []
for ocId in localFileMetadatasOcIds {
guard let itemMetadata = itemMetadataFromOcId(ocId) else {
Logger.ncFilesDatabase.error("Could not find matching item metadata for local file metadata with ocId: \(ocId, privacy: .public) with request from account: \(account)")
continue;
}
itemMetadatas.append(NextcloudItemMetadataTable(value: itemMetadata))
}
return itemMetadatas
}
func convertNKFileToItemMetadata(_ file: NKFile, account: String) -> NextcloudItemMetadataTable {
let metadata = NextcloudItemMetadataTable()
metadata.account = account
metadata.checksums = file.checksums
metadata.commentsUnread = file.commentsUnread
metadata.contentType = file.contentType
if let date = file.creationDate {
metadata.creationDate = date as Date
} else {
metadata.creationDate = file.date as Date
}
metadata.dataFingerprint = file.dataFingerprint
metadata.date = file.date as Date
metadata.directory = file.directory
metadata.downloadURL = file.downloadURL
metadata.e2eEncrypted = file.e2eEncrypted
metadata.etag = file.etag
metadata.favorite = file.favorite
metadata.fileId = file.fileId
metadata.fileName = file.fileName
metadata.fileNameView = file.fileName
metadata.hasPreview = file.hasPreview
metadata.iconName = file.iconName
metadata.mountType = file.mountType
metadata.name = file.name
metadata.note = file.note
metadata.ocId = file.ocId
metadata.ownerId = file.ownerId
metadata.ownerDisplayName = file.ownerDisplayName
metadata.lock = file.lock
metadata.lockOwner = file.lockOwner
metadata.lockOwnerEditor = file.lockOwnerEditor
metadata.lockOwnerType = file.lockOwnerType
metadata.lockOwnerDisplayName = file.lockOwnerDisplayName
metadata.lockTime = file.lockTime
metadata.lockTimeOut = file.lockTimeOut
metadata.path = file.path
metadata.permissions = file.permissions
metadata.quotaUsedBytes = file.quotaUsedBytes
metadata.quotaAvailableBytes = file.quotaAvailableBytes
metadata.richWorkspace = file.richWorkspace
metadata.resourceType = file.resourceType
metadata.serverUrl = file.serverUrl
metadata.sharePermissionsCollaborationServices = file.sharePermissionsCollaborationServices
for element in file.sharePermissionsCloudMesh {
metadata.sharePermissionsCloudMesh.append(element)
}
for element in file.shareType {
metadata.shareType.append(element)
}
metadata.size = file.size
metadata.classFile = file.classFile
//FIXME: iOS 12.0,* don't detect UTI text/markdown, text/x-markdown
if (metadata.contentType == "text/markdown" || metadata.contentType == "text/x-markdown") && metadata.classFile == NKCommon.TypeClassFile.unknow.rawValue {
metadata.classFile = NKCommon.TypeClassFile.document.rawValue
}
if let date = file.uploadDate {
metadata.uploadDate = date as Date
} else {
metadata.uploadDate = file.date as Date
}
metadata.urlBase = file.urlBase
metadata.user = file.user
metadata.userId = file.userId
// Support for finding the correct filename for e2ee files should go here
return metadata
}
func convertNKFilesFromDirectoryReadToItemMetadatas(_ files: [NKFile], account: String, completionHandler: @escaping (_ directoryMetadata: NextcloudItemMetadataTable, _ childDirectoriesMetadatas: [NextcloudItemMetadataTable], _ metadatas: [NextcloudItemMetadataTable]) -> Void) {
var directoryMetadataSet = false
var directoryMetadata = NextcloudItemMetadataTable()
var childDirectoriesMetadatas: [NextcloudItemMetadataTable] = []
var metadatas: [NextcloudItemMetadataTable] = []
for file in files {
let metadata = convertNKFileToItemMetadata(file, account: account)
if metadatas.isEmpty && !directoryMetadataSet {
directoryMetadata = metadata;
directoryMetadataSet = true;
} else {
metadatas.append(metadata)
if metadata.directory {
childDirectoriesMetadatas.append(metadata)
}
}
}
completionHandler(directoryMetadata, childDirectoriesMetadatas, metadatas)
}
}