Timeless refactor

src/Core/FileTime.Core.Timeline/TimelessContentProvider.cs

@@ -0,0 +1,38 @@
+using System.Reactive.Subjects;
+using FileTime.Core.Enums;
+using FileTime.Core.Models;
+using FileTime.Core.Services;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace FileTime.Core.Timeline;
+
+public class TimelessContentProvider : ITimelessContentProvider
+{
+    private readonly Lazy<List<IContentProvider>> _contentProviders;
+
+    public BehaviorSubject<PointInTime> CurrentPointInTime { get; } =
+        new BehaviorSubject<PointInTime>(PointInTime.Present);
+
+    public TimelessContentProvider(IServiceProvider serviceProvider)
+    {
+        _contentProviders =
+            new Lazy<List<IContentProvider>>(() => serviceProvider.GetServices<IContentProvider>().ToList());
+    }
+
+    public async Task<IItem> GetItemByFullNameAsync(FullName fullName, PointInTime? pointInTime,
+        bool forceResolve = false,
+        AbsolutePathType forceResolvePathType = AbsolutePathType.Unknown,
+        ItemInitializationSettings itemInitializationSettings = default)
+    {
+        //TODO time modifications
+        var contentProviderName = fullName.Path.Split(Constants.SeparatorChar).FirstOrDefault();
+        var contentProvider = _contentProviders.Value.FirstOrDefault(p => p.Name == contentProviderName);
+
+        if (contentProvider is null)
+            throw new Exception($"No content provider is found for name '{contentProviderName}'");
+
+        return await contentProvider.GetItemByFullNameAsync(fullName, pointInTime ?? PointInTime.Present,
+            forceResolve, forceResolvePathType,
+            itemInitializationSettings);
+    }
+}