Detecting organic vs. local notification vs. remote notification app launches

AppDelegate.swift

func applicationDidBecomeActive(_ application: UIApplication) {
    let notificationController = NotificationController.shared

    // Track app launch if the notificationController didn't already do it
    if !notificationController.handledLaunchAnalytics {
        Analytics.trackAppLaunched(source: .Organic)
    }
}

UserController.swift

private(set) var handledLaunchAnalytics: Bool = false

func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
    let atAppLaunch: Bool = (UIApplication.shared.applicationState != .active)

    let request: UNNotificationRequest = response.notification.request
    if let trigger = request.trigger, trigger is UNPushNotificationTrigger {
        // if atAppLaunch == true, call Analytics.trackAppLaunched(source: .remoteNotification)
        // and flag handledLaunchAnalytics as true
        // then you can handle your remote notification here
    } else {
        // if atAppLaunch == true, call Analytics.trackAppLaunched(source: .localNotification)
        // and flag handledLaunchAnalytics as true
        // then you can handle your local notification here
    }

    completionHandler()
}