Added DirectoryObserver

This commit is contained in:
TheXamlGuy
2024-09-29 13:10:39 +01:00
parent dc1afd5750
commit 760ce933bd
5 changed files with 96 additions and 49 deletions
+54
View File
@@ -0,0 +1,54 @@
using System.Collections.Concurrent;
namespace Toolkit.Foundation;
public class DirectoryObserver
{
public static async Task<string[]> EnumerateFiles(string path,
string[] filter,
int count,
CancellationToken cancellationToken = default)
{
string[] files = [];
HashSet<string> extensions = filter.Select(x => $".{x.ToLower()}").ToHashSet();
bool IsBatchComplete()
{
files = Directory.EnumerateFiles(path, "*.*", SearchOption.TopDirectoryOnly)
.Where(x => extensions.Contains(Path.GetExtension(x).ToLower()))
.ToArray();
if (files.Length != count)
{
return false;
}
ConcurrentBag<bool> fileAccessResults = [];
Parallel.ForEach(files, (file) =>
{
try
{
using FileStream fileStream = new(file, FileMode.Open, FileAccess.Read, FileShare.None);
fileAccessResults.Add(true);
}
catch (IOException)
{
fileAccessResults.Add(false);
}
});
return fileAccessResults.All(result => result);
}
await Task.Run(async () =>
{
while (!IsBatchComplete())
{
cancellationToken.ThrowIfCancellationRequested();
await Task.Delay(5000, cancellationToken);
}
}, cancellationToken);
return files;
}
}
+2 -2
View File
@@ -12,12 +12,12 @@ public interface IMediator
CancellationToken cancellationToken = default)
where TMessage : notnull;
IAsyncEnumerable<object?> HandleManyAsync(Type responseType,
IAsyncEnumerable<object?> HandleAsyncMany(Type responseType,
object message,
object? key = null,
CancellationToken cancellationToken = default);
IAsyncEnumerable<TResponse?> HandleManyAsync<TMessage, TResponse>(TMessage message,
IAsyncEnumerable<TResponse?> HandleAsyncMany<TMessage, TResponse>(TMessage message,
object? key = null,
CancellationToken cancellationToken = default)
where TMessage : notnull;
+38 -36
View File
@@ -23,7 +23,7 @@ public class Mediator(IHandlerProvider handlerProvider,
MethodInfo? handleMethod = handler?.GetType().GetMethod("Handle", [message.GetType(), typeof(CancellationToken)]);
if (handleMethod is not null)
{
return await (Task<TResponse?>)handleMethod.Invoke(handler, new object[] { message, cancellationToken })!;
return await (Task<TResponse?>)handleMethod.Invoke(handler, [message, cancellationToken])!;
}
}
@@ -47,7 +47,7 @@ public class Mediator(IHandlerProvider handlerProvider,
if (handleMethod is not null)
{
dynamic task = handleMethod.Invoke(handler, new object[] { message, cancellationToken })!;
dynamic task = handleMethod.Invoke(handler, [message, cancellationToken])!;
await task;
return task.Result;
@@ -57,35 +57,7 @@ public class Mediator(IHandlerProvider handlerProvider,
return default;
}
public async Task<List<object?>> HandleMany(Type responseType,
object message,
object? key = null,
CancellationToken cancellationToken = default)
{
List<object?> responses = [];
await foreach (object? response in HandleManyAsync(responseType, message, key, cancellationToken))
{
responses.Add(response);
}
return responses;
}
public async Task<IList<TResponse?>> HandleMany<TMessage, TResponse>(TMessage message,
object? key = null,
CancellationToken cancellationToken = default)
where TMessage : notnull
{
List<TResponse?> responses = [];
await foreach (TResponse? response in HandleManyAsync<TMessage, TResponse>(message, key, cancellationToken))
{
responses.Add(response);
}
return responses;
}
public async IAsyncEnumerable<object?> HandleManyAsync(Type responseType,
public async IAsyncEnumerable<object?> HandleAsyncMany(Type responseType,
object message,
object? key = null,
[EnumeratorCancellation] CancellationToken cancellationToken = default)
@@ -102,12 +74,12 @@ public class Mediator(IHandlerProvider handlerProvider,
if (handleMethod is not null)
{
yield return await (Task<object?>)handleMethod.Invoke(handler, new object[] { message, cancellationToken })!;
yield return await (Task<object?>)handleMethod.Invoke(handler, [message, cancellationToken])!;
}
}
}
public async IAsyncEnumerable<TResponse?> HandleManyAsync<TMessage, TResponse>(TMessage message,
public async IAsyncEnumerable<TResponse?> HandleAsyncMany<TMessage, TResponse>(TMessage message,
object? key = null,
[EnumeratorCancellation] CancellationToken cancellationToken = default)
where TMessage : notnull
@@ -122,11 +94,38 @@ public class Mediator(IHandlerProvider handlerProvider,
MethodInfo? handleMethod = handler?.GetType().GetMethod("Handle", [message.GetType(), typeof(CancellationToken)]);
if (handleMethod is not null)
{
yield return await (Task<TResponse?>)handleMethod.Invoke(handler, new object[] { message, cancellationToken })!;
yield return await (Task<TResponse?>)handleMethod.Invoke(handler, [message, cancellationToken])!;
}
}
}
public async Task<List<object?>> HandleMany(Type responseType,
object message,
object? key = null,
CancellationToken cancellationToken = default)
{
List<object?> responses = [];
await foreach (object? response in HandleAsyncMany(responseType, message, key, cancellationToken))
{
responses.Add(response);
}
return responses;
}
public async Task<IList<TResponse?>> HandleMany<TMessage, TResponse>(TMessage message,
object? key = null,
CancellationToken cancellationToken = default)
where TMessage : notnull
{
List<TResponse?> responses = [];
await foreach (TResponse? response in HandleAsyncMany<TMessage, TResponse>(message, key, cancellationToken))
{
responses.Add(response);
}
return responses;
}
private List<object?> GetHandlers(object message,
Type handlerWrapperType,
object? key)
@@ -155,8 +154,11 @@ public class Mediator(IHandlerProvider handlerProvider,
provider.GetServices(handlerWrapperType);
AddHandlers(keyedServices);
IEnumerable<object?> additionalHandlers = handlerProvider.Get(key);
AddHandlers(additionalHandlers);
if (key is not null)
{
IEnumerable<object?> additionalHandlers = handlerProvider.Get(key);
AddHandlers(additionalHandlers);
}
return handlers.SelectMany(entry => entry.Value).ToList();
}
-5
View File
@@ -1,5 +0,0 @@
namespace Toolkit.Foundation;
public static class MediatorExtensions
{
}
@@ -3,7 +3,7 @@
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:CompileBindings="True">
<ControlTheme x:Key="{x:Type TabStrip}" TargetType="TabStrip">
<Setter Property="MinHeight" Value="32" />
<Setter Property="MinHeight" Value="36" />
<Setter Property="CornerRadius" Value="{DynamicResource ControlCornerRadius}" />
<Setter Property="Background" Value="{DynamicResource ControlAltFillColorSecondaryBrush}" />
<Setter Property="BorderBrush" Value="{DynamicResource ControlStrokeColorDefaultBrush}" />
@@ -45,7 +45,7 @@
<Setter Property="BorderBrush" Value="{DynamicResource ControlFillColorTransparentBrush}" />
<Setter Property="Foreground" Value="{DynamicResource TextFillColorPrimaryBrush}" />
<Setter Property="FontWeight" Value="Normal" />
<Setter Property="Height" Value="32" />
<Setter Property="MinHeight" Value="36" />
<Setter Property="MinWidth" Value="60" />
<Setter Property="FontSize" Value="{DynamicResource ControlContentThemeFontSize}" />
<Setter Property="VerticalAlignment" Value="Stretch" />
@@ -66,7 +66,6 @@
<BrushTransition Property="Background" Duration="00:00:00.083" />
</Transitions>
</Border.Transitions>
<Panel>
<Border
Name="Hover"
@@ -83,7 +82,6 @@
</Transitions>
</Border.Transitions>
</Border>
<ContentPresenter
Name="PART_ContentPresenter"
Margin="11,5,11,6"
@@ -95,7 +93,6 @@
ContentTemplate="{TemplateBinding ContentTemplate}"
FontWeight="{TemplateBinding FontWeight}"
Foreground="{TemplateBinding Foreground}" />
<Rectangle
Name="Pill"
Width="4"
@@ -122,7 +119,6 @@
</ControlTemplate>
</Setter>
<Style Selector="^:pointerover">
<Style Selector="^ /template/ Border#Hover">
<Setter Property="Background" Value="{DynamicResource SubtleFillColorSecondaryBrush}" />