/// <summary>
/// Loads new events from a file if the file has changed.
/// </summary>
private void RefreshEvents(EventTable eventTable)
{
if (string.IsNullOrEmpty(eventTable.FileName))
{
eventTable.FileName = Path.Combine(archivePath,
EventTableAdapter.GetTableFileName(Code, eventTable.TableDate));
}
DateTime fileAge = File.Exists(eventTable.FileName) ?
File.GetLastWriteTimeUtc(eventTable.FileName) : DateTime.MinValue;
if (fileAge > DateTime.MinValue && fileAge != eventTable.FileAge)
{
stopwatch.Restart();
adapter.FileName = eventTable.FileName;
adapter.Fill(eventTable);
eventTable.FileAge = fileAge;
stopwatch.Stop();
arcLog?.WriteAction(Locale.IsRussian ?
"Чтение таблицы событий длины {0} успешно завершено за {1} мс" :
"Reading an event table of length {0} completed successfully in {1} ms",
eventTable.Events.Count, stopwatch.ElapsedMilliseconds);
}
}
/// <summary>
/// Deletes the outdated data from the archive.
/// </summary>
public override void DeleteOutdatedData()
{
DirectoryInfo arcDirInfo = new DirectoryInfo(archivePath);
if (arcDirInfo.Exists)
{
DateTime minDT = DateTime.UtcNow.AddDays(-options.StoragePeriod);
string minFileName = EventTableAdapter.GetTableFileName(Code, minDT);
appLog.WriteAction(ServerPhrases.DeleteOutdatedData, Code, minDT.ToLocalizedDateString());
foreach (FileInfo fileInfo in
arcDirInfo.EnumerateFiles(Code + "*", SearchOption.TopDirectoryOnly))
{
if (string.CompareOrdinal(fileInfo.Name, minFileName) < 0)
{
fileInfo.Delete();
}
}
}
}
