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89 lines
3.3 KiB
C#
89 lines
3.3 KiB
C#
using System;
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using System.IO;
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using System.Text.RegularExpressions;
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using Emby.Naming.Audio;
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using Emby.Naming.Common;
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namespace Emby.Naming.Video
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{
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/// <summary>
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/// Resolve if file is extra for video.
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/// </summary>
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public static class ExtraRuleResolver
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{
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private static readonly char[] _digits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
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/// <summary>
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/// Attempts to resolve if file is extra.
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/// </summary>
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/// <param name="path">Path to file.</param>
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/// <param name="namingOptions">The naming options.</param>
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/// <returns>Returns <see cref="ExtraResult"/> object.</returns>
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public static ExtraResult GetExtraInfo(string path, NamingOptions namingOptions)
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{
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var result = new ExtraResult();
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for (var i = 0; i < namingOptions.VideoExtraRules.Length; i++)
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{
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var rule = namingOptions.VideoExtraRules[i];
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if ((rule.MediaType == MediaType.Audio && !AudioFileParser.IsAudioFile(path, namingOptions))
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|| (rule.MediaType == MediaType.Video && !VideoResolver.IsVideoFile(path, namingOptions)))
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{
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continue;
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}
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var pathSpan = path.AsSpan();
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if (rule.RuleType == ExtraRuleType.Filename)
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{
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var filename = Path.GetFileNameWithoutExtension(pathSpan);
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if (filename.Equals(rule.Token, StringComparison.OrdinalIgnoreCase))
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{
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result.ExtraType = rule.ExtraType;
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result.Rule = rule;
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}
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}
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else if (rule.RuleType == ExtraRuleType.Suffix)
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{
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// Trim the digits from the end of the filename so we can recognize things like -trailer2
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var filename = Path.GetFileNameWithoutExtension(pathSpan).TrimEnd(_digits);
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if (filename.EndsWith(rule.Token, StringComparison.OrdinalIgnoreCase))
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{
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result.ExtraType = rule.ExtraType;
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result.Rule = rule;
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}
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}
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else if (rule.RuleType == ExtraRuleType.Regex)
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{
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var filename = Path.GetFileName(path);
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var isMatch = Regex.IsMatch(filename, rule.Token, RegexOptions.IgnoreCase | RegexOptions.Compiled);
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if (isMatch)
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{
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result.ExtraType = rule.ExtraType;
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result.Rule = rule;
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}
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}
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else if (rule.RuleType == ExtraRuleType.DirectoryName)
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{
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var directoryName = Path.GetFileName(Path.GetDirectoryName(pathSpan));
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if (directoryName.Equals(rule.Token, StringComparison.OrdinalIgnoreCase))
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{
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result.ExtraType = rule.ExtraType;
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result.Rule = rule;
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}
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}
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if (result.ExtraType != null)
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{
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return result;
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}
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}
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return result;
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}
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}
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}
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