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using System;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using Emby.Naming.Audio;
using Emby.Naming.Common;
namespace Emby.Naming.Video
{
public class ExtraResolver
{
private readonly NamingOptions _options;
public ExtraResolver(NamingOptions options)
{
_options = options;
}
public ExtraResult GetExtraInfo(string path)
{
return _options.VideoExtraRules
.Select(i => GetExtraInfo(path, i))
.FirstOrDefault(i => !string.IsNullOrEmpty(i.ExtraType)) ?? new ExtraResult();
}
private ExtraResult GetExtraInfo(string path, ExtraRule rule)
{
var result = new ExtraResult();
if (rule.MediaType == MediaType.Audio)
{
if (!new AudioFileParser(_options).IsAudioFile(path))
{
return result;
}
}
else if (rule.MediaType == MediaType.Video)
{
if (!new VideoResolver(_options).IsVideoFile(path))
{
return result;
}
}
else
{
return result;
}
if (rule.RuleType == ExtraRuleType.Filename)
{
var filename = Path.GetFileNameWithoutExtension(path);
if (string.Equals(filename, rule.Token, StringComparison.OrdinalIgnoreCase))
{
result.ExtraType = rule.ExtraType;
result.Rule = rule;
}
}
else if (rule.RuleType == ExtraRuleType.Suffix)
{
var filename = Path.GetFileNameWithoutExtension(path);
if (filename.IndexOf(rule.Token, StringComparison.OrdinalIgnoreCase) > 0)
{
result.ExtraType = rule.ExtraType;
result.Rule = rule;
}
}
else if (rule.RuleType == ExtraRuleType.Regex)
{
var filename = Path.GetFileName(path);
var regex = new Regex(rule.Token, RegexOptions.IgnoreCase);
if (regex.IsMatch(filename))
{
result.ExtraType = rule.ExtraType;
result.Rule = rule;
}
}
return result;
}
}
}
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