73 lines
2.5 KiB
Swift
73 lines
2.5 KiB
Swift
//
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// Copyright 2023 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Foundation
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enum VoiceMessageCacheError: Error {
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case invalidFileExtension
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}
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class VoiceMessageCache: VoiceMessageCacheProtocol {
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private let preferredFileExtension = "m4a"
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private var temporaryFilesFolderURL: URL {
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FileManager.default.temporaryDirectory.appendingPathComponent("media/voice-message")
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}
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func fileURL(for mediaSource: MediaSourceProxy) -> URL? {
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let url = cacheURL(for: mediaSource)
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return FileManager.default.fileExists(atPath: url.path()) ? url : nil
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}
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func cache(mediaSource: MediaSourceProxy, using fileURL: URL, move: Bool = false) throws -> URL {
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guard fileURL.pathExtension == preferredFileExtension else {
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throw VoiceMessageCacheError.invalidFileExtension
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}
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setupTemporaryFilesFolder()
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let url = cacheURL(for: mediaSource)
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try? FileManager.default.removeItem(at: url)
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if move {
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try FileManager.default.moveItem(at: fileURL, to: url)
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} else {
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try FileManager.default.copyItem(at: fileURL, to: url)
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}
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return url
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}
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func clearCache() {
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if FileManager.default.fileExists(atPath: temporaryFilesFolderURL.path) {
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do {
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try FileManager.default.removeItem(at: temporaryFilesFolderURL)
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} catch {
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MXLog.error("Failed clearing cached disk files", context: error)
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}
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}
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}
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// MARK: - Private
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private func setupTemporaryFilesFolder() {
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do {
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try FileManager.default.createDirectoryIfNeeded(at: temporaryFilesFolderURL, withIntermediateDirectories: true)
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} catch {
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MXLog.error("Failed to setup audio cache manager.")
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}
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}
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private func cacheURL(for mediaSource: MediaSourceProxy) -> URL {
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temporaryFilesFolderURL.appendingPathComponent(mediaSource.url.lastPathComponent).appendingPathExtension(preferredFileExtension)
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}
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}
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