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//
// FileProviderData.swift
// Files
//
// Created by Marino Faggiana on 27/05/18.
// Copyright © 2018 Marino Faggiana. All rights reserved.
//
// Author Marino Faggiana <marino.faggiana@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 3 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.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
import UIKit
class fileProviderUtility: NSObject {
static let shared: fileProviderUtility = {
let instance = fileProviderUtility()
return instance
}()
var fileManager = FileManager()
func getAccountFromItemIdentifier(_ itemIdentifier: NSFileProviderItemIdentifier) -> String? {
let ocId = itemIdentifier.rawValue
return NCManageDatabase.shared.getMetadataFromOcId(ocId)?.account
}
func getTableMetadataFromItemIdentifier(_ itemIdentifier: NSFileProviderItemIdentifier) -> tableMetadata? {
let ocId = itemIdentifier.rawValue
return NCManageDatabase.shared.getMetadataFromOcId(ocId)
}
func getItemIdentifier(metadata: tableMetadata) -> NSFileProviderItemIdentifier {
return NSFileProviderItemIdentifier(metadata.ocId)
}
func createocIdentifierOnFileSystem(metadata: tableMetadata) {
let itemIdentifier = getItemIdentifier(metadata: metadata)
if metadata.directory {
CCUtility.getDirectoryProviderStorageOcId(itemIdentifier.rawValue)
} else {
CCUtility.getDirectoryProviderStorageOcId(itemIdentifier.rawValue, fileNameView: metadata.fileNameView)
}
}
func getParentItemIdentifier(metadata: tableMetadata) -> NSFileProviderItemIdentifier? {
let homeServerUrl = NCUtilityFileSystem.shared.getHomeServer(urlBase: metadata.urlBase, userId: metadata.userId)
if let directory = NCManageDatabase.shared.getTableDirectory(predicate: NSPredicate(format: "account == %@ AND serverUrl == %@", metadata.account, metadata.serverUrl)) {
if directory.serverUrl == homeServerUrl {
return NSFileProviderItemIdentifier(NSFileProviderItemIdentifier.rootContainer.rawValue)
} else {
// get the metadata.ocId of parent Directory
if let metadata = NCManageDatabase.shared.getMetadataFromOcId(directory.ocId) {
let identifier = getItemIdentifier(metadata: metadata)
return identifier
}
}
}
return nil
}
func getTableDirectoryFromParentItemIdentifier(_ parentItemIdentifier: NSFileProviderItemIdentifier, account: String, homeServerUrl: String) -> tableDirectory? {
var predicate: NSPredicate
if parentItemIdentifier == .rootContainer {
predicate = NSPredicate(format: "account == %@ AND serverUrl == %@", account, homeServerUrl)
} else {
guard let metadata = getTableMetadataFromItemIdentifier(parentItemIdentifier) else { return nil }
predicate = NSPredicate(format: "ocId == %@", metadata.ocId)
}
guard let directory = NCManageDatabase.shared.getTableDirectory(predicate: predicate) else { return nil }
return directory
}
// MARK: -
func copyFile(_ atPath: String, toPath: String) -> Error? {
var errorResult: Error?
if !fileManager.fileExists(atPath: atPath) { return NSError(domain: NSCocoaErrorDomain, code: NSFileNoSuchFileError, userInfo: [:]) }
do {
try fileManager.removeItem(atPath: toPath)
} catch let error {
print("error: \(error)")
}
do {
try fileManager.copyItem(atPath: atPath, toPath: toPath)
} catch let error {
errorResult = error
}
return errorResult
}
func moveFile(_ atPath: String, toPath: String) -> Error? {
var errorResult: Error?
if atPath == toPath { return nil }
if !fileManager.fileExists(atPath: atPath) { return NSError(domain: NSCocoaErrorDomain, code: NSFileNoSuchFileError, userInfo: [:]) }
do {
try fileManager.removeItem(atPath: toPath)
} catch let error {
print("error: \(error)")
}
do {
try fileManager.moveItem(atPath: atPath, toPath: toPath)
} catch let error {
errorResult = error
}
return errorResult
}
func deleteFile(_ atPath: String) -> Error? {
var errorResult: Error?
do {
try fileManager.removeItem(atPath: atPath)
} catch let error {
errorResult = error
}
return errorResult
}
func fileExists(atPath: String) -> Bool {
return fileManager.fileExists(atPath: atPath)
}
}
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