private void CleanDataBase() { int historyDays = (Settings != null && Settings.KeepHistoryDays > 0) ? Settings.KeepHistoryDays : Program.PURGE_RECORDS_OLDER_THAN_DAYS; Trace.WriteLine("TransferringService: ClientDataAccess.DeleteOlderSentFilesAsync"); ClientDataAccess.DeleteOlderSentFilesAsync(historyDays); Trace.WriteLine("TransferringService: ClientDataAccess.DeleteOlderSentMessagesAsync"); ClientDataAccess.DeleteOlderSentMessagesAsync(historyDays); }