jellyfin-server/MediaBrowser.Controller/IO/FileData.cs
Erwin de Haan ec1f5dc317 Mayor code cleanup
Add Argument*Exceptions now use proper nameof operators.

Added exception messages to quite a few Argument*Exceptions.

Fixed rethorwing to be proper syntax.

Added a ton of null checkes. (This is only a start, there are about 500 places that need proper null handling)

Added some TODOs to log certain exceptions.

Fix sln again.

Fixed all AssemblyInfo's and added proper copyright (where I could find them)

We live in *current year*.

Fixed the use of braces.

Fixed a ton of properties, and made a fair amount of functions static that should be and can be static.

Made more Methods that should be static static.

You can now use static to find bad functions!

Removed unused variable. And added one more proper XML comment.
2019-01-10 20:38:53 +01:00

124 lines
4.5 KiB
C#

using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using MediaBrowser.Model.IO;
namespace MediaBrowser.Controller.IO
{
/// <summary>
/// Provides low level File access that is much faster than the File/Directory api's
/// </summary>
public static class FileData
{
private static Dictionary<string, FileSystemMetadata> GetFileSystemDictionary(FileSystemMetadata[] list)
{
var dict = new Dictionary<string, FileSystemMetadata>(StringComparer.OrdinalIgnoreCase);
foreach (var file in list)
{
dict[file.FullName] = file;
}
return dict;
}
/// <summary>
/// Gets the filtered file system entries.
/// </summary>
/// <param name="directoryService">The directory service.</param>
/// <param name="path">The path.</param>
/// <param name="fileSystem">The file system.</param>
/// <param name="logger">The logger.</param>
/// <param name="args">The args.</param>
/// <param name="flattenFolderDepth">The flatten folder depth.</param>
/// <param name="resolveShortcuts">if set to <c>true</c> [resolve shortcuts].</param>
/// <returns>Dictionary{System.StringFileSystemInfo}.</returns>
/// <exception cref="System.ArgumentNullException">path</exception>
public static FileSystemMetadata[] GetFilteredFileSystemEntries(IDirectoryService directoryService,
string path,
IFileSystem fileSystem,
IServerApplicationHost appHost,
ILogger logger,
ItemResolveArgs args,
int flattenFolderDepth = 0,
bool resolveShortcuts = true)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException(nameof(path));
}
if (args == null)
{
throw new ArgumentNullException(nameof(args));
}
var entries = directoryService.GetFileSystemEntries(path);
if (!resolveShortcuts && flattenFolderDepth == 0)
{
return entries;
}
var dict = new Dictionary<string, FileSystemMetadata>(StringComparer.OrdinalIgnoreCase);
foreach (var entry in entries)
{
var isDirectory = entry.IsDirectory;
var fullName = entry.FullName;
if (resolveShortcuts && fileSystem.IsShortcut(fullName))
{
try
{
var newPath = appHost.ExpandVirtualPath(fileSystem.ResolveShortcut(fullName));
if (string.IsNullOrEmpty(newPath))
{
//invalid shortcut - could be old or target could just be unavailable
logger.LogWarning("Encountered invalid shortcut: " + fullName);
continue;
}
// Don't check if it exists here because that could return false for network shares.
var data = fileSystem.GetDirectoryInfo(newPath);
// add to our physical locations
args.AddAdditionalLocation(newPath);
dict[newPath] = data;
}
catch (Exception ex)
{
logger.LogError(ex, "Error resolving shortcut from {path}", fullName);
}
}
else if (flattenFolderDepth > 0 && isDirectory)
{
foreach (var child in GetFilteredFileSystemEntries(directoryService, fullName, fileSystem, appHost, logger, args, flattenFolderDepth: flattenFolderDepth - 1, resolveShortcuts: resolveShortcuts))
{
dict[child.FullName] = child;
}
}
else
{
dict[fullName] = entry;
}
}
var returnResult = new FileSystemMetadata[dict.Count];
var index = 0;
var values = dict.Values;
foreach (var value in values)
{
returnResult[index] = value;
index++;
}
return returnResult;
}
}
}