public async Task <Scanned> GetEntriesAsync([NotNull] List <IFileInfo> list, string baseId, string baseName,
[CanBeNull] IProgress <AsyncProgressEntry> progress, CancellationToken cancellation)
{
progress?.Report(AsyncProgressEntry.FromStringIndetermitate("Scanning…"));
var result = new List <ContentEntryBase>();
var missingContent = false;
Exception readException = null;
var s = Stopwatch.StartNew();
var root = new DirectoryNode(_installationParams.FallbackId ?? baseId, null);
root.ForceName(baseName);
foreach (var info in list)
{
root.Add(info);
}
Logging.Debug($"Building tree: {s.Elapsed.TotalMilliseconds:F1} ms");
s.Restart();
var queue = new Queue <DirectoryNode>();
queue.Enqueue(root);
while (queue.Count > 0)
{
var directory = queue.Dequeue();
ContentEntryBase found;
try {
found = await CheckDirectoryNode(directory, cancellation).ConfigureAwait(false); // WHY IT DOES NOT WORK?
if (cancellation.IsCancellationRequested)
{
break;
}
} catch (Exception e) when(e.IsCancelled())
{
break;
} catch (MissingContentException) {
missingContent = true;
continue;
} catch (Exception e) {
Logging.Warning(e);
readException = e;
continue;
}
if (found != null)
{
result.Add(found);
}
else
{
foreach (var value in directory.Directories)
{
queue.Enqueue(value);
}
foreach (var value in directory.Files)
{
try {
found = await CheckFileNode(value, cancellation).ConfigureAwait(false);
if (cancellation.IsCancellationRequested)
{
break;
}
} catch (Exception e) when(e.IsCancelled())
{
break;
} catch (MissingContentException) {
missingContent = true;
continue;
} catch (Exception e) {
Logging.Warning(e);
readException = e;
continue;
}
if (found != null)
{
result.Add(found);
}
}
}
}
Logging.Debug($"Scanning directories: {s.Elapsed.TotalMilliseconds:F1} ms");
return(new Scanned(result, missingContent, readException));
}