c29f4cc9b4
* New LICENSE-COMMERCIAL file * Apply dual licenses: AGPL + Element Commercial to file headers * Update README with dual licensing
65 lines
2.0 KiB
Swift
65 lines
2.0 KiB
Swift
//
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// Copyright 2022-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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//
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import Foundation
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enum FileManagerError: Error {
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case invalidFileSize
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}
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extension FileManager {
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func directoryExists(at url: URL) -> Bool {
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var isDirectory: ObjCBool = false
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guard fileExists(atPath: url.path(percentEncoded: false), isDirectory: &isDirectory) else {
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return false
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}
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return isDirectory.boolValue
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}
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func createDirectoryIfNeeded(at url: URL, withIntermediateDirectories: Bool = true) throws {
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guard !directoryExists(at: url) else {
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return
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}
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try createDirectory(at: url, withIntermediateDirectories: withIntermediateDirectories)
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}
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func copyFileToTemporaryDirectory(file url: URL, with filename: String? = nil) throws -> URL {
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let newURL = URL.temporaryDirectory.appendingPathComponent(filename ?? url.lastPathComponent)
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try? removeItem(at: newURL)
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try copyItem(at: url, to: newURL)
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return newURL
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}
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@discardableResult
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func writeDataToTemporaryDirectory(data: Data, fileName: String) throws -> URL {
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let newURL = URL.appGroupTemporaryDirectory.appendingPathComponent(fileName)
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try data.write(to: newURL)
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return newURL
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}
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/// Retrieve a file's disk size
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/// - Parameter url: the file URL
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/// - Returns: the size in bytes
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func sizeForItem(at url: URL) throws -> Double {
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let attributes = try attributesOfItem(atPath: url.path())
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guard let size = attributes[FileAttributeKey.size] as? Double else {
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throw FileManagerError.invalidFileSize
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}
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return size
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}
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func numberOfItems(at url: URL) throws -> Int {
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try contentsOfDirectory(at: url, includingPropertiesForKeys: nil).count
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}
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}
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