feat: send push notifications on VPN failures (Tech Company Social Media Posts)

Author: Best Credit Cards To Rebuild Credit

Coder-Desktop/Coder-Desktop/Coder_DesktopApp.swift

@@ -44,7 +44,7 @@ struct DesktopApp: App {
 @MainActor
 class AppDelegate: NSObject, NSApplicationDelegate {
  private var logger = Logger(subsystem: Bundle.main.bundleIdentifier!, category: "app-delegate")
- private var menuBar: MenuBarController?
+ var menuBar: MenuBarController?
  let vpn: CoderVPNService
  let state: AppState
  let fileSyncDaemon: MutagenDaemon
@@ -81,6 +81,19 @@ class AppDelegate: NSObject, NSApplicationDelegate {
  super.init()
  // `delegate` is weak
  UNUserNotificationCenter.current().delegate = self
+ vpn.onFailure = { [logger] tunnelError in
+ Task {
+ do {
+ try await sendNotification(
+ title: "Coder Connect has failed!",
+ body: tunnelError.description,
+ category: .vpnFailure
+ )
+ } catch let notifError {
+ logger.error("Failed to send notification (\(tunnelError.description)): \(notifError)")
+ }
+ }
+ }
  }
 
  func applicationDidFinishLaunching(_: Notification) {

Coder-Desktop/Coder-Desktop/Notifications.swift

@@ -17,6 +17,24 @@ extension AppDelegate: UNUserNotificationCenterDelegate {
  ) async -> UNNotificationPresentationOptions {
  [.banner]
  }
+
+ nonisolated func userNotificationCenter(
+ _: UNUserNotificationCenter,
+ didReceive response: UNNotificationResponse
+ ) async {
+ let category = response.notification.request.content.categoryIdentifier
+ let action = response.actionIdentifier
+ switch (category, action) {
+ case (NotificationCategory.vpnFailure.rawValue, UNNotificationDefaultActionIdentifier):
+ await showMenuBarWindow()
+ default:
+ break
+ }
+ }
+
+ private func showMenuBarWindow() {
+ menuBar?.menuBarExtra.toggleVisibility()
+ }
 }
 
 func sendNotification(title: String, body: String, category: NotificationCategory) async throws {
@@ -33,5 +51,6 @@ func sendNotification(title: String, body: String, category: NotificationCategor
 }
 
 enum NotificationCategory: String, CaseIterable {
+ case vpnFailure = "VPN_FAILURE"
  case uriFailure = "URI_FAILURE"
 }

Coder-Desktop/Coder-Desktop/VPN/VPNService.swift

@@ -61,11 +61,30 @@ final class CoderVPNService: NSObject, VPNService {
  if tunnelState == .connecting {
  progress = .init(stage: .initial, downloadProgress: nil)
  }
+ if case let .failed(tunnelError) = tunnelState, tunnelState != oldValue,
+ tunnelError != .networkExtensionError(.unconfigured)
+ {
+ onFailure?(tunnelError)
+ }
+ }
+ }
+
+ @Published var sysExtnState: SystemExtensionState = .uninstalled {
+ didSet {
+ if case .failed = sysExtnState, sysExtnState != oldValue {
+ onFailure?(.systemExtensionError(sysExtnState))
+ }
+ }
+ }
+
+ @Published var neState: NetworkExtensionState = .unconfigured {
+ didSet {
+ if case .failed = neState, neState != oldValue {
+ onFailure?(.networkExtensionError(neState))
+ }
  }
  }
 
- @Published var sysExtnState: SystemExtensionState = .uninstalled
- @Published var neState: NetworkExtensionState = .unconfigured
  var state: VPNServiceState {
  guard sysExtnState == .installed else {
  return .failed(.systemExtensionError(sysExtnState))
@@ -87,6 +106,7 @@ final class CoderVPNService: NSObject, VPNService {
  // Whether the VPN should start as soon as possible
  var startWhenReady: Bool = false
  var onStart: (() -> Void)?
+ var onFailure: ((VPNServiceError) -> Void)?
 
  // systemExtnDelegate holds a reference to the SystemExtensionDelegate so that it doesn't get
  // garbage collected while the OSSystemExtensionRequest is in flight, since the OS framework