public static async Task <Node <ItemInfo> > GetItemsTreeAsync(this IHosting hosting, UPath path)
{
if (!await hosting.IsExistAsync(path))
{
throw new ItemNotFound();
}
if (await hosting.IsFileAsync(path))
{
return(new Node <ItemInfo>(await hosting.GetItemInfoAsync(path)));
}
return(await hosting.GetDirectoryItemsTreeAsync(path));
}
private static async Task <Node <ItemInfo> > GetDirectoryItemsTreeAsync(this IHosting hosting, UPath path)
{
var nested = (await hosting.GetDirectoryListAsync(path))
.Select(async i =>
{
return(i.IsDirectory
? await hosting.GetDirectoryItemsTreeAsync(i.Path)
: new Node <ItemInfo>(await hosting.GetItemInfoAsync(i.Path)));
}).ToList();
await Task.WhenAll(nested);
var node = new Node <ItemInfo>(await hosting.GetItemInfoAsync(path));
node.Nested.AddRange(nested.Select(n => n.Result));
return(node);
}
