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Using CancellationToken

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This commit is contained in:
Ádám Kovács
2022-02-04 00:17:03 +01:00
parent 3f8309dc0f
commit 2e832f72d2
23 changed files with 1509 additions and 147 deletions
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2
src/Providers/FileTime.Providers.Local/LocalContentProvider.cs
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@@ -69,7 +69,7 @@ namespace FileTime.Providers.Local
return remainingPath.Length == 0 ? rootContainer : await rootContainer.GetByPath(remainingPath, acceptDeepestMatch);
}
public async Task Refresh() => await Refreshed.InvokeAsync(this, AsyncEventArgs.Empty);
public async Task RefreshAsync(CancellationToken token = default) => await Refreshed.InvokeAsync(this, AsyncEventArgs.Empty, token);
public Task<IContainer> Clone() => Task.FromResult((IContainer)this);

2
src/Providers/FileTime.Providers.Local/LocalFile.cs
View File

@@ -59,7 +59,7 @@ namespace FileTime.Providers.Local
if (_parent is LocalFolder parentFolder)
{
System.IO.File.Move(File.FullName, Path.Combine(parentFolder.Directory.FullName, newName));
await _parent.Refresh();
await _parent.RefreshAsync();
}
}

22
src/Providers/FileTime.Providers.Local/LocalFolder.cs
View File

@@ -59,16 +59,22 @@ namespace FileTime.Providers.Local
public Task<IContainer> Clone() => Task.FromResult((IContainer)new LocalFolder(Directory, Provider, _parent));
public Task Refresh()
public Task RefreshAsync(CancellationToken token = default)
{
_containers = new List<IContainer>();
_elements = new List<IElement>();
_items = new List<IItem>();
_exceptions.Clear();
try
{
if (token.IsCancellationRequested) return Task.CompletedTask;
_containers = Directory.GetDirectories().Select(d => new LocalFolder(d, Provider, this)).OrderBy(d => d.Name).ToList().AsReadOnly();
if (token.IsCancellationRequested) return Task.CompletedTask;
_elements = Directory.GetFiles().Select(f => new LocalFile(f, this, Provider)).OrderBy(f => f.Name).ToList().AsReadOnly();
if (token.IsCancellationRequested) return Task.CompletedTask;
}
catch (Exception e)
{
@@ -76,24 +82,24 @@ namespace FileTime.Providers.Local
}
_items = _containers.Cast<IItem>().Concat(_elements).ToList().AsReadOnly();
Refreshed?.InvokeAsync(this, AsyncEventArgs.Empty);
Refreshed?.InvokeAsync(this, AsyncEventArgs.Empty, token);
return Task.CompletedTask;
}
public async Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
{
if (_items == null) await Refresh();
if (_items == null) await RefreshAsync(token);
return _items;
}
public async Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
{
if (_containers == null) await Refresh();
if (_containers == null) await RefreshAsync(token);
return _containers;
}
public async Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
{
if (_elements == null) await Refresh();
if (_elements == null) await RefreshAsync(token);
return _elements;
}
@@ -118,7 +124,7 @@ namespace FileTime.Providers.Local
public async Task<IContainer> CreateContainer(string name)
{
Directory.CreateSubdirectory(name);
await Refresh();
await RefreshAsync();
return _containers!.FirstOrDefault(c => Provider.NormalizePath(c.Name) == Provider.NormalizePath(name))!;
}
@@ -126,7 +132,7 @@ namespace FileTime.Providers.Local
public async Task<IElement> CreateElement(string name)
{
using (File.Create(Path.Combine(Directory.FullName, name))) { }
await Refresh();
await RefreshAsync();
return _elements!.FirstOrDefault(e => Provider.NormalizePath(e.Name) == Provider.NormalizePath(name))!;
}
@@ -150,7 +156,7 @@ namespace FileTime.Providers.Local
if (_parent is LocalFolder parentFolder)
{
System.IO.Directory.Move(Directory.FullName, Path.Combine(parentFolder.Directory.FullName, newName));
await _parent.Refresh();
await _parent.RefreshAsync();
}
}