Fix copy overwrites the source files sometimes

This commit is contained in:
2023-07-03 10:05:41 +02:00
parent 4f9e69f2ab
commit c29df77d39
7 changed files with 49 additions and 44 deletions

View File

@@ -62,12 +62,12 @@ public class SearchTask : ISearchTask
{
try
{
_container.IsLoading.OnNext(true);
_container.StartLoading();
await TraverseTree(_baseContainer);
}
finally
{
_container.IsLoading.OnNext(false);
_container.StopLoading();
await _searchingLock.WaitAsync();
_isSearching = false;

View File

@@ -8,5 +8,7 @@ public interface IContainer : IItem
IObservable<IChangeSet<AbsolutePath, string>> Items { get; }
ReadOnlyObservableCollection<AbsolutePath> ItemsCollection { get; }
IObservable<bool> IsLoading { get; }
bool? IsLoaded { get; }
Task WaitForLoaded(CancellationToken token = default);
bool AllowRecursiveDeletion { get; }
}

View File

@@ -110,7 +110,7 @@ public class CopyCommand : CommandBase, ITransportationCommand
{
var total = data.Sum(d => d.TotalProgress);
if (total == 0) return 0;
return (int) (data.Sum(d => d.Progress) * 100 / total);
return (int)(data.Sum(d => d.Progress) * 100 / total);
})
.Subscribe(SetTotalProgress);
@@ -140,10 +140,9 @@ public class CopyCommand : CommandBase, ITransportationCommand
TransportMode transportMode,
ICopyStrategy copyOperation)
{
var resolvedTarget = ((IContainer) await target.ResolveAsync()) ?? throw new Exception();
foreach (var source in sources)
{
var resolvedTarget = (IContainer)await target.ResolveAsync() ?? throw new Exception();
var item = await _timelessContentProvider.GetItemByFullNameAsync(source, currentTime);
if (item is IContainer container)

View File

@@ -6,6 +6,7 @@ public static class Helper
{
public static async Task<string?> GetNewNameAsync(IContainer resolvedTarget, string name, TransportMode transportMode)
{
await resolvedTarget.WaitForLoaded();
var items = resolvedTarget.ItemsCollection.ToList();
var newName = name;
var targetNameExists = items.Any(i => i.Path.GetName() == newName);

View File

@@ -44,9 +44,11 @@ public abstract class ContentProviderBase : IContentProvider
public string? Attributes => null;
protected BehaviorSubject<bool> IsLoading { get; } = new(false);
public bool AllowRecursiveDeletion => false;
IObservable<bool> IContainer.IsLoading => IsLoading.AsObservable();
public bool? IsLoaded => true;
public Task WaitForLoaded(CancellationToken token = default) => Task.CompletedTask;
public bool AllowRecursiveDeletion => false;
public AbsolutePathType Type => AbsolutePathType.Container;
public PointInTime PointInTime { get; } = PointInTime.Eternal;

View File

@@ -27,19 +27,42 @@ public record Container(
ReadOnlyExtensionCollection Extensions,
IObservable<IChangeSet<AbsolutePath, string>> Items) : IContainer
{
private readonly Lazy<ReadOnlyObservableCollection<AbsolutePath>> _itemsCollectionLazy =
new (() =>
new(() =>
{
Items.Bind(out var items).Subscribe();
return items;
});
private readonly CancellationTokenSource _loadingCancellationTokenSource = new();
private readonly BehaviorSubject<bool> _isLoading = new(false);
public CancellationToken LoadingCancellationToken => _loadingCancellationTokenSource.Token;
public BehaviorSubject<bool> IsLoading { get; } = new(false);
IObservable<bool> IContainer.IsLoading => IsLoading.AsObservable();
public IObservable<bool> IsLoading => _isLoading.AsObservable();
public bool? IsLoaded { get; private set; }
public AbsolutePathType Type => AbsolutePathType.Container;
public ReadOnlyObservableCollection<AbsolutePath> ItemsCollection => _itemsCollectionLazy.Value;
public void CancelLoading() => _loadingCancellationTokenSource.Cancel();
public async Task WaitForLoaded(CancellationToken token = default)
{
while (IsLoaded != true) await Task.Delay(1, token);
}
public void StartLoading()
{
_isLoading.OnNext(true);
IsLoaded = false;
}
public void StopLoading()
{
_isLoading.OnNext(false);
IsLoaded = true;
}
public void CancelLoading()
{
_loadingCancellationTokenSource.Cancel();
_isLoading.OnNext(false);
IsLoaded = true;
}
}

View File

@@ -71,11 +71,11 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
{
if ((path?.Length ?? 0) == 0)
{
return Task.FromResult((IItem) this);
return Task.FromResult((IItem)this);
}
else if (Directory.Exists(path))
{
return Task.FromResult((IItem) DirectoryToContainer(
return Task.FromResult((IItem)DirectoryToContainer(
new DirectoryInfo(path!.TrimEnd(Path.DirectorySeparatorChar) + Path.DirectorySeparatorChar),
pointInTime,
!itemInitializationSettings.SkipChildInitialization)
@@ -83,7 +83,7 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
}
else if (File.Exists(path))
{
return Task.FromResult((IItem) FileToElement(new FileInfo(path), pointInTime));
return Task.FromResult((IItem)FileToElement(new FileInfo(path), pointInTime));
}
var type = forceResolvePathType switch
@@ -115,10 +115,10 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
return forceResolvePathType switch
{
AbsolutePathType.Container => Task.FromResult(
(IItem) CreateEmptyContainer(
(IItem)CreateEmptyContainer(
nativePath,
pointInTime,
new List<Exception>() {innerException}
new List<Exception>() { innerException }
)
),
AbsolutePathType.Element => Task.FromResult(CreateEmptyElement(nativePath)),
@@ -229,28 +229,6 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
Task.Run(() => LoadChildren(container, directoryInfo, children, pointInTime, exceptions));
return container;
IObservable<IChangeSet<AbsolutePath, string>>? InitChildren()
{
if (!initializeChildren) return null;
try
{
var items = GetItemsByContainer(directoryInfo, pointInTime);
var result = new SourceCache<AbsolutePath, string>(i => i.Path.Path);
if (items.Count == 0) return (IObservable<IChangeSet<AbsolutePath, string>>?) result.Connect().StartWithEmpty();
result.AddOrUpdate(items);
return (IObservable<IChangeSet<AbsolutePath, string>>?) result.Connect();
}
catch (Exception e)
{
exceptions.Add(e);
}
return null;
}
}
private void LoadChildren(Container container,
@@ -259,16 +237,16 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
PointInTime pointInTime,
SourceList<Exception> exceptions)
{
var lockobj = new object();
var lockObj = new object();
var loadingIndicatorCancellation = new CancellationTokenSource();
Task.Run(DelayedLoadingIndicator);
LoadChildren();
lock (lockobj)
lock (lockObj)
{
loadingIndicatorCancellation.Cancel();
container.IsLoading.OnNext(false);
container.StopLoading();
}
void LoadChildren()
@@ -306,10 +284,10 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
{
}
lock (lockobj)
lock (lockObj)
{
if (token.IsCancellationRequested) return;
container.IsLoading.OnNext(true);
container.StartLoading();
}
}
}
@@ -397,7 +375,7 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
var finalSize = size switch
{
> int.MaxValue => int.MaxValue,
_ => (int) size
_ => (int)size
};
var buffer = new byte[finalSize];
var realSize = await reader.ReadAsync(buffer.AsMemory(0, finalSize), cancellationToken);