Files
letro-ios/ElementX/Sources/Other/Extensions/FileManager.swift

80 lines
2.6 KiB
Swift

//
// Copyright 2025 Element Creations Ltd.
// Copyright 2022-2025 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
// Please see LICENSE files in the repository root for full details.
//
import Foundation
enum FileManagerError: Error {
case invalidFileSize
}
extension FileManager {
func directoryExists(at url: URL) -> Bool {
var isDirectory: ObjCBool = false
guard fileExists(atPath: url.path(percentEncoded: false), isDirectory: &isDirectory) else {
return false
}
return isDirectory.boolValue
}
func createDirectoryIfNeeded(at url: URL, withIntermediateDirectories: Bool = true) throws {
guard !directoryExists(at: url) else {
return
}
try createDirectory(at: url, withIntermediateDirectories: withIntermediateDirectories)
}
func copyFileToTemporaryDirectory(file url: URL, with filename: String? = nil) throws -> URL {
let newURL = URL.temporaryDirectory.appendingPathComponent(filename ?? url.lastPathComponent)
try? removeItem(at: newURL)
try copyItem(at: url, to: newURL)
return newURL
}
@discardableResult
func writeDataToTemporaryDirectory(data: Data, fileName: String, withinAppGroupContainer: Bool = false) throws -> URL {
let baseURL: URL = withinAppGroupContainer ? .appGroupTemporaryDirectory : .temporaryDirectory
let newURL = baseURL.appendingPathComponent(fileName)
try data.write(to: newURL)
return newURL
}
/// Retrieve a file's disk size
/// - Parameter url: the file URL
/// - Returns: the size in bytes
func sizeForItem(at url: URL) throws -> UInt {
let attributes = try attributesOfItem(atPath: url.path(percentEncoded: false))
guard let size = attributes[FileAttributeKey.size] as? UInt else {
throw FileManagerError.invalidFileSize
}
return size
}
func sizeForDirectory(at url: URL) throws -> UInt {
guard let enumerator = enumerator(at: url, includingPropertiesForKeys: [.fileSizeKey, .isDirectoryKey]) else {
throw FileManagerError.invalidFileSize
}
return try enumerator
.compactMap {
guard let fileURL = $0 as? URL else { return nil }
return try UInt(fileURL.resourceValues(forKeys: [.fileSizeKey]).fileSize ?? 0)
}
.reduce(0, +)
}
func numberOfItems(at url: URL) throws -> Int {
try contentsOfDirectory(at: url, includingPropertiesForKeys: nil).count
}
}