106 lines
3.5 KiB
C#
106 lines
3.5 KiB
C#
using System;
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using System.IO;
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using System.Linq;
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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 class ExtraResolver
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{
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private readonly NamingOptions _options;
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/// <summary>
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/// Initializes a new instance of the <see cref="ExtraResolver"/> class.
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/// </summary>
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/// <param name="options"><see cref="NamingOptions"/> object containing VideoExtraRules and passed to <see cref="AudioFileParser"/> and <see cref="VideoResolver"/>.</param>
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public ExtraResolver(NamingOptions options)
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{
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_options = options;
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}
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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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/// <returns>Returns <see cref="ExtraResult"/> object.</returns>
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public ExtraResult GetExtraInfo(string path)
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{
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var result = new ExtraResult();
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for (var i = 0; i < _options.VideoExtraRules.Length; i++)
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{
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var rule = _options.VideoExtraRules[i];
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if (rule.MediaType == MediaType.Audio)
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{
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if (!AudioFileParser.IsAudioFile(path, _options))
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{
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continue;
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}
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}
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else if (rule.MediaType == MediaType.Video)
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{
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if (!new VideoResolver(_options).IsVideoFile(path))
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{
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continue;
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}
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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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var filename = Path.GetFileNameWithoutExtension(pathSpan);
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if (filename.Contains(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 regex = new Regex(rule.Token, RegexOptions.IgnoreCase);
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if (regex.IsMatch(filename))
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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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