63 lines
2 KiB
Swift
63 lines
2 KiB
Swift
import Foundation
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import AppKit
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final class UpdateLogStore {
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static let shared = UpdateLogStore()
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private let queue = DispatchQueue(label: "cmux.update.log")
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private var entries: [String] = []
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private let maxEntries = 200
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private let logURL: URL
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private let formatter: ISO8601DateFormatter
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private init() {
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formatter = ISO8601DateFormatter()
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formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
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let logsDir = FileManager.default.urls(for: .libraryDirectory, in: .userDomainMask).first
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?? FileManager.default.temporaryDirectory
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logURL = logsDir.appendingPathComponent("Logs/cmux-update.log")
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ensureLogFile()
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}
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func append(_ message: String) {
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let timestamp = formatter.string(from: Date())
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let line = "[\(timestamp)] \(message)"
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queue.async { [weak self] in
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guard let self else { return }
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entries.append(line)
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if entries.count > maxEntries {
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entries.removeFirst(entries.count - maxEntries)
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}
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appendToFile(line: line)
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}
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}
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func snapshot() -> String {
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queue.sync {
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entries.joined(separator: "\n")
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}
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}
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func logPath() -> String {
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logURL.path
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}
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private func ensureLogFile() {
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let directory = logURL.deletingLastPathComponent()
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try? FileManager.default.createDirectory(at: directory, withIntermediateDirectories: true)
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if !FileManager.default.fileExists(atPath: logURL.path) {
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try? Data().write(to: logURL)
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}
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}
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private func appendToFile(line: String) {
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let data = Data((line + "\n").utf8)
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if let handle = try? FileHandle(forWritingTo: logURL) {
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try? handle.seekToEnd()
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try? handle.write(contentsOf: data)
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try? handle.close()
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} else {
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try? data.write(to: logURL, options: .atomic)
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}
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}
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}
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