Use dedicated resolvers for extras

1 files changed, 0 insertions, 151 deletions

diff --git a/Emby.Naming/Video/ExtraResolver.cs b/Emby.Naming/Video/ExtraResolver.cs
deleted file mode 100644
index fbdca859f7..0000000000
--- a/Emby.Naming/Video/ExtraResolver.cs
+++ /dev/null
@@ -1,151 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text.RegularExpressions;
-using Emby.Naming.Audio;
-using Emby.Naming.Common;
-
-namespace Emby.Naming.Video
-{
-    /// <summary>
-    /// Resolve if file is extra for video.
-    /// </summary>
-    public static class ExtraResolver
-    {
-        private static readonly char[] _digits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
-
-        /// <summary>
-        /// Attempts to resolve if file is extra.
-        /// </summary>
-        /// <param name="path">Path to file.</param>
-        /// <param name="namingOptions">The naming options.</param>
-        /// <returns>Returns <see cref="ExtraResult"/> object.</returns>
-        public static ExtraResult GetExtraInfo(string path, NamingOptions namingOptions)
-        {
-            var result = new ExtraResult();
-
-            for (var i = 0; i < namingOptions.VideoExtraRules.Length; i++)
-            {
-                var rule = namingOptions.VideoExtraRules[i];
-                if ((rule.MediaType == MediaType.Audio && !AudioFileParser.IsAudioFile(path, namingOptions))
-                    || (rule.MediaType == MediaType.Video && !VideoResolver.IsVideoFile(path, namingOptions)))
-                {
-                    continue;
-                }
-
-                var pathSpan = path.AsSpan();
-                if (rule.RuleType == ExtraRuleType.Filename)
-                {
-                    var filename = Path.GetFileNameWithoutExtension(pathSpan);
-
-                    if (filename.Equals(rule.Token, StringComparison.OrdinalIgnoreCase))
-                    {
-                        result.ExtraType = rule.ExtraType;
-                        result.Rule = rule;
-                    }
-                }
-                else if (rule.RuleType == ExtraRuleType.Suffix)
-                {
-                    // Trim the digits from the end of the filename so we can recognize things like -trailer2
-                    var filename = Path.GetFileNameWithoutExtension(pathSpan).TrimEnd(_digits);
-
-                    if (filename.EndsWith(rule.Token, StringComparison.OrdinalIgnoreCase))
-                    {
-                        result.ExtraType = rule.ExtraType;
-                        result.Rule = rule;
-                    }
-                }
-                else if (rule.RuleType == ExtraRuleType.Regex)
-                {
-                    var filename = Path.GetFileName(path);
-
-                    var isMatch = Regex.IsMatch(filename, rule.Token, RegexOptions.IgnoreCase | RegexOptions.Compiled);
-
-                    if (isMatch)
-                    {
-                        result.ExtraType = rule.ExtraType;
-                        result.Rule = rule;
-                    }
-                }
-                else if (rule.RuleType == ExtraRuleType.DirectoryName)
-                {
-                    var directoryName = Path.GetFileName(Path.GetDirectoryName(pathSpan));
-                    if (directoryName.Equals(rule.Token, StringComparison.OrdinalIgnoreCase))
-                    {
-                        result.ExtraType = rule.ExtraType;
-                        result.Rule = rule;
-                    }
-                }
-
-                if (result.ExtraType != null)
-                {
-                    return result;
-                }
-            }
-
-            return result;
-        }
-
-        /// <summary>
-        /// Finds extras matching the video info.
-        /// </summary>
-        /// <param name="files">The list of file video infos.</param>
-        /// <param name="videoInfo">The video to compare against.</param>
-        /// <param name="videoFlagDelimiters">The video flag delimiters.</param>
-        /// <returns>A list of video extras for [videoInfo].</returns>
-        public static IReadOnlyList<VideoFileInfo> GetExtras(IReadOnlyList<VideoInfo> files, VideoFileInfo videoInfo, ReadOnlySpan<char> videoFlagDelimiters)
-        {
-            var parentDir = videoInfo.IsDirectory ? videoInfo.Path : Path.GetDirectoryName(videoInfo.Path.AsSpan());
-
-            var trimmedFileNameWithoutExtension = TrimFilenameDelimiters(videoInfo.FileNameWithoutExtension, videoFlagDelimiters);
-            var trimmedVideoInfoName = TrimFilenameDelimiters(videoInfo.Name, videoFlagDelimiters);
-
-            var result = new List<VideoFileInfo>();
-            for (var pos = files.Count - 1; pos >= 0; pos--)
-            {
-                var current = files[pos];
-                // ignore non-extras and multi-file (can this happen?)
-                if (current.ExtraType == null || current.Files.Count > 1)
-                {
-                    continue;
-                }
-
-                var currentFile = current.Files[0];
-                var trimmedCurrentFileName = TrimFilenameDelimiters(currentFile.Name, videoFlagDelimiters);
-
-                // first check filenames
-                bool isValid = StartsWith(trimmedCurrentFileName, trimmedFileNameWithoutExtension)
-                               || (StartsWith(trimmedCurrentFileName, trimmedVideoInfoName) && currentFile.Year == videoInfo.Year);
-
-                // then by directory
-                if (!isValid)
-                {
-                    // When the extra rule type is DirectoryName we must go one level higher to get the "real" dir name
-                    var currentParentDir = currentFile.ExtraRule?.RuleType == ExtraRuleType.DirectoryName
-                        ? Path.GetDirectoryName(Path.GetDirectoryName(currentFile.Path.AsSpan()))
-                        : Path.GetDirectoryName(currentFile.Path.AsSpan());
-
-                    isValid = !currentParentDir.IsEmpty && !parentDir.IsEmpty && currentParentDir.Equals(parentDir, StringComparison.OrdinalIgnoreCase);
-                }
-
-                if (isValid)
-                {
-                    result.Add(currentFile);
-                }
-            }
-
-            return result.OrderBy(r => r.Path).ToArray();
-        }
-
-        private static ReadOnlySpan<char> TrimFilenameDelimiters(ReadOnlySpan<char> name, ReadOnlySpan<char> videoFlagDelimiters)
-        {
-            return name.IsEmpty ? name : name.TrimEnd().TrimEnd(videoFlagDelimiters).TrimEnd();
-        }
-
-        private static bool StartsWith(ReadOnlySpan<char> fileName, ReadOnlySpan<char> baseName)
-        {
-            return !baseName.IsEmpty && fileName.StartsWith(baseName, StringComparison.OrdinalIgnoreCase);
-        }
-    }
-}