onesignalcancel.swift

    func removeScheduleTask() {
        guard let scheduleId = dlItem?.scheduledIdentifier, let appId = OneSignal.app_id() else {
            return
        }
        NSURLSession.sharedSession().dataTaskWithURL(NSURL(string: "https://onesignal.com/api/v1/notifications/\(scheduleId)?app_id=\(appId)")!) { (data, response, error) in
            if let error = error {
                Utility.UI.alertShow(NSLocalizedString("An error has been occured in server: \(error.localizedDescription)", comment: "schedule download task error"), withTitle: NSLocalizedString("Schedule", comment: "schedule download task error"), viewController: self)
            }
            if let r = response as? NSHTTPURLResponse where r.statusCode == 200 {
                self.dlItem?.scheduledIdentifier = nil
                self.dlItem?.scheduledTime = nil
                self.dlItem?.saveState()
                self.updateButtons()
            }
        }
    }