private void ProcessChangesIfAny()
{
lock (DedupLock)
{
if (NewFiles.Any() || DeletedFiles.Any())
{
DedupTask = Task.Factory.StartNew(
ProcessChanges,
CancelSource.Token);
return;
}
if (!CurrentState.Settings.MonitorChanges)
{
operationStartTime = DateTime.MinValue;
OnOperationUpdate(
OperationType.Completed,
ProgressStyle.NoProgress);
OnLogged("Finished comparison.");
return;
}
operationStartTime = DateTime.Now;
OnOperationUpdate(
OperationType.Monitoring,
ProgressStyle.Marquee);
OnLogged("Monitoring for file changes...");
return;
}
}
private void ProcessChanges()
{
var cancelToken = CancelSource.Token;
while (DeletedFiles.Any())
{
var deletedFile = DeletedFiles.First().Key;
_ = DeletedFiles.TryRemove(deletedFile, out var _);
if (CurrentState.VideoFiles.Remove(deletedFile))
{
CurrentState.SaveState();
OnLogged($"Removed file: {deletedFile.FilePath}");
}
else
{
OnLogged($"Deleted file not in VideoFile-List: " +
$"{deletedFile.FilePath}");
}
cancelToken.ThrowIfCancellationRequested();
}
operationStartTime = DateTime.Now;
OnOperationUpdate(OperationType.Comparing, 0, NewFiles.Count());
// We need to count for the ProgressUpdate since we shrink
// the Queue on every iteration.
var filesProcessed = 1;
while (NewFiles.Any())
{
var newFile = NewFiles.First().Key;
_ = NewFiles.TryRemove(newFile, out var _);
OnOperationUpdate(OperationType.Comparing, filesProcessed,
filesProcessed + NewFiles.Count());
filesProcessed++;
if (!newFile.WaitForFileAccess(cancelToken))
{
OnLogged($"Unable to access new file: {newFile.FileName}");
cancelToken.ThrowIfCancellationRequested();
continue;
}
cancelToken.ThrowIfCancellationRequested();
if (newFile.Duration == TimeSpan.Zero)
{
OnLogged($"New file has no duration: {newFile.FilePath}");
continue;
}
cancelToken.ThrowIfCancellationRequested();
if (!CurrentState.VideoFiles.Contains(newFile))
{
OnLogged($"New file added to VideoFile-List: {newFile.FilePath}");
CurrentState.VideoFiles.Add(newFile);
}
else
{
OnLogged($"New file already in VideoFile-List: {newFile.FilePath}");
continue;
}
cancelToken.ThrowIfCancellationRequested();
FindDuplicatesOf(CurrentState.VideoFiles, newFile, cancelToken);
CurrentState.SaveState();
// Cleanup in case of cancel
foreach (var file in CurrentState.VideoFiles)
{
file.DisposeImages();
}
cancelToken.ThrowIfCancellationRequested();
}
ProcessChangesIfAny();
}