jellyfin-server/Emby.Naming/Video/VideoResolver.cs
2020-04-25 15:29:59 +02:00

141 lines
4.4 KiB
C#

#pragma warning disable CS1591
#nullable enable
using System;
using System.IO;
using System.Linq;
using Emby.Naming.Common;
namespace Emby.Naming.Video
{
public class VideoResolver
{
private readonly NamingOptions _options;
public VideoResolver(NamingOptions options)
{
_options = options;
}
/// <summary>
/// Resolves the directory.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>VideoFileInfo.</returns>
public VideoFileInfo? ResolveDirectory(string path)
{
return Resolve(path, true);
}
/// <summary>
/// Resolves the file.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>VideoFileInfo.</returns>
public VideoFileInfo? ResolveFile(string path)
{
return Resolve(path, false);
}
/// <summary>
/// Resolves the specified path.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="isDirectory">if set to <c>true</c> [is folder].</param>
/// <param name="parseName">Whether or not the name should be parsed for info.</param>
/// <returns>VideoFileInfo.</returns>
/// <exception cref="ArgumentNullException"><c>path</c> is <c>null</c>.</exception>
public VideoFileInfo? Resolve(string path, bool isDirectory, bool parseName = true)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException(nameof(path));
}
bool isStub = false;
string? container = null;
string? stubType = null;
if (!isDirectory)
{
var extension = Path.GetExtension(path);
// Check supported extensions
if (!_options.VideoFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
{
// It's not supported. Check stub extensions
if (!StubResolver.TryResolveFile(path, _options, out stubType))
{
return null;
}
isStub = true;
}
container = extension.TrimStart('.');
}
var flags = new FlagParser(_options).GetFlags(path);
var format3DResult = new Format3DParser(_options).Parse(flags);
var extraResult = new ExtraResolver(_options).GetExtraInfo(path);
var name = isDirectory
? Path.GetFileName(path)
: Path.GetFileNameWithoutExtension(path);
int? year = null;
if (parseName)
{
var cleanDateTimeResult = CleanDateTime(name);
name = cleanDateTimeResult.Name;
year = cleanDateTimeResult.Year;
if (extraResult.ExtraType == null
&& TryCleanString(name, out ReadOnlySpan<char> newName))
{
name = newName.ToString();
}
}
return new VideoFileInfo
{
Path = path,
Container = container,
IsStub = isStub,
Name = name,
Year = year,
StubType = stubType,
Is3D = format3DResult.Is3D,
Format3D = format3DResult.Format3D,
ExtraType = extraResult.ExtraType,
IsDirectory = isDirectory,
ExtraRule = extraResult.Rule
};
}
public bool IsVideoFile(string path)
{
var extension = Path.GetExtension(path) ?? string.Empty;
return _options.VideoFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase);
}
public bool IsStubFile(string path)
{
var extension = Path.GetExtension(path) ?? string.Empty;
return _options.StubFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase);
}
public bool TryCleanString(string name, out ReadOnlySpan<char> newName)
{
return CleanStringParser.TryClean(name, _options.CleanStringRegexes, out newName);
}
public CleanDateTimeResult CleanDateTime(string name)
{
return CleanDateTimeParser.Clean(name, _options.CleanDateTimeRegexes);
}
}
}