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jellyfin/Emby.Naming/TV/EpisodeResolver.cs

90 lines
3.5 KiB

using System;
using System.IO;
using System.Linq;
using Emby.Naming.Common;
using Emby.Naming.Video;
namespace Emby.Naming.TV
{
/// <summary>
/// Used to resolve information about episode from path.
/// </summary>
public class EpisodeResolver
{
private readonly NamingOptions _options;
/// <summary>
/// Initializes a new instance of the <see cref="EpisodeResolver"/> class.
/// </summary>
/// <param name="options"><see cref="NamingOptions"/> object containing VideoFileExtensions and passed to <see cref="StubResolver"/>, <see cref="FlagParser"/>, <see cref="Format3DParser"/> and <see cref="EpisodePathParser"/>.</param>
public EpisodeResolver(NamingOptions options)
{
_options = options;
}
/// <summary>
/// Resolve information about episode from path.
/// </summary>
/// <param name="path">Path.</param>
/// <param name="isDirectory">Is path for a directory or file.</param>
/// <param name="isNamed">Do we want to use IsNamed expressions.</param>
/// <param name="isOptimistic">Do we want to use Optimistic expressions.</param>
/// <param name="supportsAbsoluteNumbers">Do we want to use expressions supporting absolute episode numbers.</param>
/// <param name="fillExtendedInfo">Should we attempt to retrieve extended information.</param>
/// <returns>Returns null or <see cref="EpisodeInfo"/> object if successful.</returns>
public EpisodeInfo? Resolve(
string path,
bool isDirectory,
bool? isNamed = null,
bool? isOptimistic = null,
bool? supportsAbsoluteNumbers = null,
bool fillExtendedInfo = true)
{
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 parsingResult = new EpisodePathParser(_options)
.Parse(path, isDirectory, isNamed, isOptimistic, supportsAbsoluteNumbers, fillExtendedInfo);
return new EpisodeInfo(path)
{
Container = container,
IsStub = isStub,
EndingEpisodeNumber = parsingResult.EndingEpisodeNumber,
EpisodeNumber = parsingResult.EpisodeNumber,
SeasonNumber = parsingResult.SeasonNumber,
SeriesName = parsingResult.SeriesName,
StubType = stubType,
Is3D = format3DResult.Is3D,
Format3D = format3DResult.Format3D,
IsByDate = parsingResult.IsByDate,
Day = parsingResult.Day,
Month = parsingResult.Month,
Year = parsingResult.Year
};
}
}
}