private void DirectoryScanned(object sender, DirectoryScannedEventArgs e)
{
scannedDirectories += 1;
if (e is DirectoryDeletedEventArgs)
{
deletedDirectories += 1;
}
}
private static void OnDirectoryScanned(DirectoryScannedEventArgs eventArgs)
{
Task.Run(() =>
{
Console.WriteLine($"Scanning for changes at {DateTime.UtcNow.TimeOfDay}");
// Console.WriteLine($"Found files: {string.Join(' ', eventArgs.FilePathModificationTimes.Keys)} in {eventArgs.Directory} at {eventArgs.TimeStamp.ToLocalTime()}");
});
}
protected void CheckForDeletedFiles(DirectoryScannedEventArgs eventArgs)
{
foreach (var missingFilePath in TrackedPaths.Keys.Except(eventArgs.FilePathModificationTimes.Keys).ToList())
{
var missingFileEventArgs = new TrackedFileEventArgs(missingFilePath);
TrackedPaths.Remove(missingFilePath);
OnTrackedFileMissing?.Invoke(missingFileEventArgs);
}
}
public void OnDirectoryScanned(DirectoryScannedEventArgs eventArgs)
{
eventArgs = eventArgs ?? throw new ArgumentNullException(nameof(eventArgs));
if (CancellationToken.IsCancellationRequested)
{
return;
}
CheckForNewOrModifiedFiles(eventArgs);
CheckForDeletedFiles(eventArgs);
}
protected void CheckForNewOrModifiedFiles(DirectoryScannedEventArgs eventArgs)
{
foreach (var filePathModificationTime in eventArgs.FilePathModificationTimes)
{
var trackedFileEventArgs = new TrackedFileEventArgs(filePathModificationTime.Key);
if (TrackedPaths.TryGetValue(filePathModificationTime.Key, out var value))
{
if (value < filePathModificationTime.Value)
{
OnTrackedFileModified?.Invoke(trackedFileEventArgs);
}
TrackedPaths[filePathModificationTime.Key] = filePathModificationTime.Value;
}
else
{
TrackedPaths.Add(filePathModificationTime);
OnNewFileScanned?.Invoke(trackedFileEventArgs);
}
}
}
