Volume size info for sub content providers

src/Tools/FileTime.Tools.Compression/ContentProvider/CompressedContentProvider.cs

@@ -7,6 +7,8 @@ namespace FileTime.Tools.Compression.ContentProvider;
 
 public sealed class CompressedContentProvider : SubContentProviderBase, ICompressedContentProvider
 {
+    private readonly ITimelessContentProvider _timelessContentProvider;
+
     public CompressedContentProvider(
         ITimelessContentProvider timelessContentProvider,
         IContentAccessorFactory contentAccessorFactory,
@@ -18,6 +20,7 @@ public sealed class CompressedContentProvider : SubContentProviderBase, ICompres
             parentContentProvider,
             "compression")
     {
+        _timelessContentProvider = timelessContentProvider;
     }
 
     public override async Task<byte[]?> GetContentAsync(IElement element, int? maxLength = null, CancellationToken cancellationToken = default)
@@ -25,18 +28,23 @@ public sealed class CompressedContentProvider : SubContentProviderBase, ICompres
         var parentElementContext = await GetParentElementReaderAsync(element);
         var reader = parentElementContext.ContentReader;
         var subPath = parentElementContext.SubNativePath.Path;
-        
+
         await using var readerStream = reader.AsStream();
         using var archive = ArchiveFactory.Open(readerStream);
-        
+
         var entry = archive.Entries.First(e => e.Key == subPath);
-        await using var contentReader= entry.OpenEntryStream();
-        
+        await using var contentReader = entry.OpenEntryStream();
+
         var data = new byte[1024 * 1024];
         var readAsync = await contentReader.ReadAsync(data, cancellationToken);
 
         return data[..readAsync].ToArray();
     }
 
-    public override VolumeSizeInfo? GetVolumeSizeInfo(FullName path) => throw new NotImplementedException();
+    public override async ValueTask<VolumeSizeInfo?> GetVolumeSizeInfoAsync(FullName path)
+    {
+        var item = await GetItemByFullNameAsync(path, _timelessContentProvider.CurrentPointInTime.Value!);
+        var parentElement = await GetParentElementAsync(item);
+        return new VolumeSizeInfo(parentElement.Size, 0);
+    }
 }