public static async Task <IReadOnlyCollection <IFileSystemChild> > GetChildren(this IFileSystemViewModelFactory factory, IFileSystemParent parent, IReadOnlyCollection <FileAttributes> fileAttributes, IReadOnlyCollection <FileAttributes> folderAttributes)
{
if (await factory.IsEmpty(parent))
{
return(Enumerable.Empty <IFileSystemChild>().ToList());
}
var directories = factory.GetDirectories(parent, fileAttributes, folderAttributes);
var files = factory.GetFiles(parent, fileAttributes);
await Task.WhenAll(directories, files);
var results = new List <IFileSystemChild>(directories.Result.Count + files.Result.Count);
results.AddRange(directories.Result);
results.AddRange(files.Result);
return(results);
}
public ScarletDirectory(DirectoryInfo info, IReadOnlyCollection <FileAttributes> fileAttributes, IReadOnlyCollection <FileAttributes> folderAttributes, IFileSystemParent parent, IScarletCommandBuilder commandBuilder, IFileSystemViewModelFactory factory)
: base(commandBuilder)
{
_factory = factory ?? throw new ArgumentNullException(nameof(factory));
_name = info.Name ?? throw new ArgumentException(nameof(info.Name));
_fullName = info.FullName ?? throw new ArgumentException(info.FullName);
_parent = parent ?? throw new ArgumentNullException(nameof(parent));
_fileAttributes = fileAttributes;
_folderAttributes = folderAttributes;
IsContainer = true;
Set(info);
}
