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New reactive core WIP

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This commit is contained in:
Ádám Kovács
2023-07-21 22:15:48 +02:00
parent 342fc0d047
commit b61c204e49
61 changed files with 1605 additions and 413 deletions
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64
src/GuiApp/Avalonia/FileTime.GuiApp/Services/RootDriveInfoService.cs
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@@ -1,47 +1,37 @@
using System.Runtime.InteropServices;
using DynamicData;
using DynamicData.Binding;
using FileTime.App.Core.Services;
using FileTime.Core.Extensions;
using FileTime.Core.Models;
using FileTime.GuiApp.ViewModels;
using FileTime.Providers.Local;
using ObservableComputations;
namespace FileTime.GuiApp.Services;
public class RootDriveInfoService : IStartupHandler
public class RootDriveInfoService : IStartupHandler, IDisposable
{
private readonly ILocalContentProvider _localContentProvider;
private readonly List<DriveInfo> _rootDrives = new();
private readonly OcConsumer _rootDriveInfosConsumer = new();
public RootDriveInfoService(
IGuiAppState guiAppState,
ILocalContentProvider localContentProvider)
{
_localContentProvider = localContentProvider;
InitRootDrives();
var rootDriveInfos = localContentProvider.Items.Transform(
i =>
{
var rootDrive = _rootDrives.FirstOrDefault(d =>
{
var containerPath = localContentProvider.GetNativePath(i.Path).Path;
var drivePath = d.Name.TrimEnd(Path.DirectorySeparatorChar);
return containerPath == drivePath
|| (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) && containerPath == "/" &&
d.Name == "/");
});
return (Path: i, Drive: rootDrive);
}
var rootDriveInfos = localContentProvider.Items.Selecting<AbsolutePath, (AbsolutePath Path, DriveInfo? Drive)>(
i => MatchRootDrive(i)
)
.Filter(t => t.Drive is not null)
.TransformAsync(async t => (Item: await t.Path.ResolveAsyncSafe(), Drive: t.Drive!))
.Filter(t => t.Item is IContainer)
.Transform(t => (Container: (IContainer) t.Item!, t.Drive))
.Transform(t => new RootDriveInfo(t.Drive, t.Container))
.Sort(SortExpressionComparer<RootDriveInfo>.Ascending(d => d.Name));
.Filtering(t => IsNotNull(t.Drive))
.Selecting(t => Resolve(t))
.Filtering(t => t.Item is IContainer)
.Selecting(t => new RootDriveInfo(t.Drive, (IContainer)t.Item!))
.Ordering(d => d.Name);
guiAppState.RootDriveInfos = rootDriveInfos.ToBindedCollection();
rootDriveInfos.For(_rootDriveInfosConsumer);
guiAppState.RootDriveInfos = rootDriveInfos;
void InitRootDrives()
{
@@ -60,5 +50,29 @@ public class RootDriveInfoService : IStartupHandler
}
}
private static bool IsNotNull(object? obj) => obj is not null;
private static (IItem? Item, DriveInfo Drive) Resolve((AbsolutePath Path, DriveInfo? Drive) tuple)
{
var t = Task.Run(async () => await tuple.Path.ResolveAsyncSafe());
t.Wait();
return (Item: t.Result, Drive: tuple.Drive!);
}
private (AbsolutePath Path, DriveInfo? Drive) MatchRootDrive(AbsolutePath sourceItem)
{
var rootDrive = _rootDrives.FirstOrDefault(d =>
{
var containerPath = _localContentProvider.GetNativePath(sourceItem.Path).Path;
var drivePath = d.Name.TrimEnd(Path.DirectorySeparatorChar);
return containerPath == drivePath
|| (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) && containerPath == "/" &&
d.Name == "/");
});
return (Path: sourceItem, Drive: rootDrive);
}
public Task InitAsync() => Task.CompletedTask;
public void Dispose() => _rootDriveInfosConsumer.Dispose();
}