jellyfin-server/MediaBrowser.Controller/IO/FileSystemHelper.cs

87 lines
3.4 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using MediaBrowser.Controller.Resolvers;
using MediaBrowser.Controller.Library;
namespace MediaBrowser.Controller.IO
{
public static class FileSystemHelper
{
/// <summary>
/// Transforms shortcuts into their actual paths and filters out items that should be ignored
/// </summary>
public static ItemResolveEventArgs FilterChildFileSystemEntries(ItemResolveEventArgs args, bool flattenShortcuts)
{
List<WIN32_FIND_DATA> returnChildren = new List<WIN32_FIND_DATA>();
List<WIN32_FIND_DATA> resolvedShortcuts = new List<WIN32_FIND_DATA>();
foreach (var file in args.FileSystemChildren)
{
// If it's a shortcut, resolve it
if (Shortcut.IsShortcut(file.Path))
{
string newPath = Shortcut.ResolveShortcut(file.Path);
WIN32_FIND_DATA newPathData = FileData.GetFileData(newPath);
// Find out if the shortcut is pointing to a directory or file
if (newPathData.IsDirectory)
{
// add to our physical locations
args.AdditionalLocations.Add(newPath);
// If we're flattening then get the shortcut's children
if (flattenShortcuts)
{
returnChildren.Add(file);
ItemResolveEventArgs newArgs = new ItemResolveEventArgs()
{
FileSystemChildren = FileData.GetFileSystemEntries(newPath, "*").ToArray()
};
resolvedShortcuts.AddRange(FilterChildFileSystemEntries(newArgs, false).FileSystemChildren);
}
else
{
returnChildren.Add(newPathData);
}
}
else
{
returnChildren.Add(newPathData);
}
}
else
{
//not a shortcut check to see if we should filter it out
if (EntityResolutionHelper.ShouldResolvePath(file))
{
returnChildren.Add(file);
}
else
{
//filtered - see if it is one of our "indicator" folders and mark it now - no reason to search for it again
args.IsBDFolder |= file.cFileName.Equals("bdmv", StringComparison.OrdinalIgnoreCase);
args.IsDVDFolder |= file.cFileName.Equals("video_ts", StringComparison.OrdinalIgnoreCase);
}
}
}
if (resolvedShortcuts.Count > 0)
{
resolvedShortcuts.InsertRange(0, returnChildren);
args.FileSystemChildren = resolvedShortcuts.ToArray();
}
else
{
args.FileSystemChildren = returnChildren.ToArray();
}
return args;
}
}
}