/// <summary>
/// Creates the <see cref="File"/> base on <see cref="FileInfo"/>.
/// </summary>
/// <param name="info">The file info.</param>
/// <param name="parent">The parent</param>
/// <returns>The result file.</returns>
/// <remarks>
/// It can't be merged with <see cref="DirectoryExtensions.ToDirectory"/>,
/// because <see cref="DirectoryInfo"/> and <see cref="FileInfo"/> have different hierarchy.
/// </remarks>
public static Data.File ToFile(this FileInfo info, Data.Directory parent)
{
var file = new Data.File
{
Name = info.FullName,
Parent = parent,
CreationDate = info.CreationTime,
LastAccessDate = info.LastAccessTime,
ModificationDate = info.LastWriteTime,
Size = info.Length
};
var access = info.GetAccessControl();
try
{
file.Owner = access.GetOwner(typeof(System.Security.Principal.NTAccount)).Value;
}
catch (Exception)
{
file.Owner = "N/A";
}
file.Attributes = EnumUtil.GetNameValue <FileAttributes>().Where(o => (info.Attributes & o.Value) > 0).Select(o => o.Key).ToArray();
file.UserRights = new[] { "N/A" };
var currentUser = System.Security.Principal.WindowsIdentity.GetCurrent().Name;
foreach (FileSystemAccessRule rule in access.GetAccessRules(true, true, typeof(System.Security.Principal.NTAccount)))
{
if (rule.IdentityReference.Value == currentUser)
{
file.UserRights = EnumUtil.GetNameValue <FileSystemRights>().Where(o => (rule.FileSystemRights & o.Value) > 0).Select(o => o.Key).ToArray();
break;
}
}
return(file);
}
private Data.Directory SearchDirectoryInternal(DirectoryInfo directoryInfo, CancellationToken token, Data.Directory parent = null)
{
var directory = directoryInfo.ToDirectory(parent);
try
{
foreach (var fileInfo in directoryInfo.EnumerateFiles())
{
if (token.IsCancellationRequested)
{
return(directory);
}
directory.Files.Add(fileInfo.ToFile(directory));
}
}
catch (Exception ex)
{
this.error.OnNext(ex.Message);
}
try
{
foreach (var subDirectoryInfo in directoryInfo.EnumerateDirectories())
{
if (token.IsCancellationRequested)
{
return(directory);
}
directory.SubDirectories.Add(this.SearchDirectoryInternal(subDirectoryInfo, token, directory));
}
}
catch (Exception ex)
{
this.error.OnNext(ex.Message);
}
directory.Size = directory.Items.Sum(o => o.Size);
return(directory);
}
