/// <summary>
/// Resolves alternative versions and extras from list of video files.
/// </summary>
/// <param name="files">List of related video files.</param>
/// <param name="namingOptions">The naming options.</param>
/// <param name="supportMultiVersion">Indication we should consider multi-versions of content.</param>
/// <returns>Returns enumerable of <see cref="VideoInfo"/> which groups files together when related.</returns>
public static IEnumerable <VideoInfo> Resolve(IEnumerable <FileSystemMetadata> files, NamingOptions namingOptions, bool supportMultiVersion = true)
{
var videoInfos = files
.Select(i => VideoResolver.Resolve(i.FullName, i.IsDirectory, namingOptions))
.OfType <VideoFileInfo>()
.ToList();
// Filter out all extras, otherwise they could cause stacks to not be resolved
// See the unit test TestStackedWithTrailer
var nonExtras = videoInfos
.Where(i => i.ExtraType == null)
.Select(i => new FileSystemMetadata {
FullName = i.Path, IsDirectory = i.IsDirectory
});
var stackResult = new StackResolver(namingOptions)
.Resolve(nonExtras).ToList();
var remainingFiles = videoInfos
.Where(i => !stackResult.Any(s => i.Path != null && s.ContainsFile(i.Path, i.IsDirectory)))
.ToList();
var list = new List <VideoInfo>();
foreach (var stack in stackResult)
{
var info = new VideoInfo(stack.Name)
{
Files = stack.Files.Select(i => VideoResolver.Resolve(i, stack.IsDirectoryStack, namingOptions))
.OfType <VideoFileInfo>()
.ToList()
};
info.Year = info.Files[0].Year;
var extras = ExtractExtras(remainingFiles, stack.Name, Path.GetFileNameWithoutExtension(stack.Files[0].AsSpan()), namingOptions.VideoFlagDelimiters);
if (extras.Count > 0)
{
info.Extras = extras;
}
list.Add(info);
}
var standaloneMedia = remainingFiles
.Where(i => i.ExtraType == null)
.ToList();
foreach (var media in standaloneMedia)
{
var info = new VideoInfo(media.Name)
{
Files = new[] { media }
};
info.Year = info.Files[0].Year;
remainingFiles.Remove(media);
var extras = ExtractExtras(remainingFiles, media.FileNameWithoutExtension, namingOptions.VideoFlagDelimiters);
info.Extras = extras;
list.Add(info);
}
if (supportMultiVersion)
{
list = GetVideosGroupedByVersion(list, namingOptions);
}
// If there's only one resolved video, use the folder name as well to find extras
if (list.Count == 1)
{
var info = list[0];
var videoPath = list[0].Files[0].Path;
var parentPath = Path.GetDirectoryName(videoPath.AsSpan());
if (!parentPath.IsEmpty)
{
var folderName = Path.GetFileName(parentPath);
if (!folderName.IsEmpty)
{
var extras = ExtractExtras(remainingFiles, folderName, namingOptions.VideoFlagDelimiters);
extras.AddRange(info.Extras);
info.Extras = extras;
}
}
// Add the extras that are just based on file name as well
var extrasByFileName = remainingFiles
.Where(i => i.ExtraRule != null && i.ExtraRule.RuleType == ExtraRuleType.Filename)
.ToList();
remainingFiles = remainingFiles
.Except(extrasByFileName)
.ToList();
extrasByFileName.AddRange(info.Extras);
info.Extras = extrasByFileName;
}
// If there's only one video, accept all trailers
// Be lenient because people use all kinds of mishmash conventions with trailers.
if (list.Count == 1)
{
var trailers = remainingFiles
.Where(i => i.ExtraType == ExtraType.Trailer)
.ToList();
trailers.AddRange(list[0].Extras);
list[0].Extras = trailers;
remainingFiles = remainingFiles
.Except(trailers)
.ToList();
}
// Whatever files are left, just add them
list.AddRange(remainingFiles.Select(i => new VideoInfo(i.Name)
{
Files = new[] { i },
Year = i.Year
}));
return(list);
}
/// <summary>
/// Resolves alternative versions and extras from list of video files.
/// </summary>
/// <param name="files">List of related video files.</param>
/// <param name="namingOptions">The naming options.</param>
/// <param name="supportMultiVersion">Indication we should consider multi-versions of content.</param>
/// <param name="parseName">Whether to parse the name or use the filename.</param>
/// <returns>Returns enumerable of <see cref="VideoInfo"/> which groups files together when related.</returns>
public static IReadOnlyList <VideoInfo> Resolve(IEnumerable <FileSystemMetadata> files, NamingOptions namingOptions, bool supportMultiVersion = true, bool parseName = true)
{
var videoInfos = files
.Select(i => VideoResolver.Resolve(i.FullName, i.IsDirectory, namingOptions, parseName))
.OfType <VideoFileInfo>()
.ToList();
// Filter out all extras, otherwise they could cause stacks to not be resolved
// See the unit test TestStackedWithTrailer
var nonExtras = videoInfos
.Where(i => i.ExtraType == null)
.Select(i => new FileSystemMetadata {
FullName = i.Path, IsDirectory = i.IsDirectory
});
var stackResult = StackResolver.Resolve(nonExtras, namingOptions).ToList();
var remainingFiles = new List <VideoFileInfo>();
var standaloneMedia = new List <VideoFileInfo>();
for (var i = 0; i < videoInfos.Count; i++)
{
var current = videoInfos[i];
if (stackResult.Any(s => s.ContainsFile(current.Path, current.IsDirectory)))
{
continue;
}
remainingFiles.Add(current);
if (current.ExtraType == null)
{
standaloneMedia.Add(current);
}
}
var list = new List <VideoInfo>();
foreach (var stack in stackResult)
{
var info = new VideoInfo(stack.Name)
{
Files = stack.Files.Select(i => VideoResolver.Resolve(i, stack.IsDirectoryStack, namingOptions, parseName))
.OfType <VideoFileInfo>()
.ToList()
};
info.Year = info.Files[0].Year;
list.Add(info);
}
foreach (var media in standaloneMedia)
{
var info = new VideoInfo(media.Name)
{
Files = new[] { media }
};
info.Year = info.Files[0].Year;
remainingFiles.Remove(media);
list.Add(info);
}
if (supportMultiVersion)
{
list = GetVideosGroupedByVersion(list, namingOptions);
}
// Whatever files are left, just add them
list.AddRange(remainingFiles.Select(i => new VideoInfo(i.Name)
{
Files = new[] { i },
Year = i.Year,
ExtraType = i.ExtraType
}));
return(list);
}
public IEnumerable <VideoInfo> Resolve(List <FileSystemMetadata> files, bool supportMultiVersion = true)
{
var videoResolver = new VideoResolver(_options, _regexProvider);
var videoInfos = files
.Select(i => videoResolver.Resolve(i.FullName, i.IsDirectory))
.Where(i => i != null)
.ToList();
// Filter out all extras, otherwise they could cause stacks to not be resolved
// See the unit test TestStackedWithTrailer
var nonExtras = videoInfos
.Where(i => string.IsNullOrEmpty(i.ExtraType))
.Select(i => new FileSystemMetadata
{
FullName = i.Path,
IsDirectory = i.IsDirectory
});
var stackResult = new StackResolver(_options, _regexProvider)
.Resolve(nonExtras);
var remainingFiles = videoInfos
.Where(i => !stackResult.Stacks.Any(s => s.ContainsFile(i.Path, i.IsDirectory)))
.ToList();
var list = new List <VideoInfo>();
foreach (var stack in stackResult.Stacks)
{
var info = new VideoInfo
{
Files = stack.Files.Select(i => videoResolver.Resolve(i, stack.IsDirectoryStack)).ToList(),
Name = stack.Name
};
info.Year = info.Files.First().Year;
var extraBaseNames = new List <string>
{
stack.Name,
Path.GetFileNameWithoutExtension(stack.Files[0])
};
var extras = GetExtras(remainingFiles, extraBaseNames);
if (extras.Count > 0)
{
remainingFiles = remainingFiles
.Except(extras)
.ToList();
info.Extras = extras;
}
list.Add(info);
}
var standaloneMedia = remainingFiles
.Where(i => string.IsNullOrEmpty(i.ExtraType))
.ToList();
foreach (var media in standaloneMedia)
{
var info = new VideoInfo
{
Files = new List <VideoFileInfo> {
media
},
Name = media.Name
};
info.Year = info.Files.First().Year;
var extras = GetExtras(remainingFiles, new List <string> {
media.FileNameWithoutExtension
});
remainingFiles = remainingFiles
.Except(extras.Concat(new[] { media }))
.ToList();
info.Extras = extras;
list.Add(info);
}
if (supportMultiVersion)
{
list = GetVideosGroupedByVersion(list)
.ToList();
}
// If there's only one resolved video, use the folder name as well to find extras
if (list.Count == 1)
{
var info = list[0];
var videoPath = list[0].Files[0].Path;
var parentPath = Path.GetDirectoryName(videoPath);
if (!string.IsNullOrEmpty(parentPath))
{
var folderName = Path.GetFileName(Path.GetDirectoryName(videoPath));
if (!string.IsNullOrEmpty(folderName))
{
var extras = GetExtras(remainingFiles, new List <string> {
folderName
});
remainingFiles = remainingFiles
.Except(extras)
.ToList();
info.Extras.AddRange(extras);
}
}
// Add the extras that are just based on file name as well
var extrasByFileName = remainingFiles
.Where(i => i.ExtraRule != null && i.ExtraRule.RuleType == ExtraRuleType.Filename)
.ToList();
remainingFiles = remainingFiles
.Except(extrasByFileName)
.ToList();
info.Extras.AddRange(extrasByFileName);
}
// If there's only one video, accept all trailers
// Be lenient because people use all kinds of mish mash conventions with trailers
if (list.Count == 1)
{
var trailers = remainingFiles
.Where(i => string.Equals(i.ExtraType, "trailer", StringComparison.OrdinalIgnoreCase))
.ToList();
list[0].Extras.AddRange(trailers);
remainingFiles = remainingFiles
.Except(trailers)
.ToList();
}
// Whatever files are left, just add them
list.AddRange(remainingFiles.Select(i => new VideoInfo
{
Files = new List <VideoFileInfo> {
i
},
Name = i.Name,
Year = i.Year
}));
var orderedList = list.OrderBy(i => i.Name);
return(orderedList);
}
/// <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);
}
public StackResult Resolve(IEnumerable <FileSystemMetadata> files)
{
var result = new StackResult();
var resolver = new VideoResolver(_options);
var list = files
.Where(i => i.IsDirectory || (resolver.IsVideoFile(i.FullName) || resolver.IsStubFile(i.FullName)))
.OrderBy(i => i.FullName)
.ToList();
var expressions = _options.VideoFileStackingRegexes;
for (var i = 0; i < list.Count; i++)
{
var offset = 0;
var file1 = list[i];
var expressionIndex = 0;
while (expressionIndex < expressions.Length)
{
var exp = expressions[expressionIndex];
var stack = new FileStack();
// (Title)(Volume)(Ignore)(Extension)
var match1 = FindMatch(file1, exp, offset);
if (match1.Success)
{
var title1 = match1.Groups[1].Value;
var volume1 = match1.Groups[2].Value;
var ignore1 = match1.Groups[3].Value;
var extension1 = match1.Groups[4].Value;
var j = i + 1;
while (j < list.Count)
{
var file2 = list[j];
if (file1.IsDirectory != file2.IsDirectory)
{
j++;
continue;
}
// (Title)(Volume)(Ignore)(Extension)
var match2 = FindMatch(file2, exp, offset);
if (match2.Success)
{
var title2 = match2.Groups[1].Value;
var volume2 = match2.Groups[2].Value;
var ignore2 = match2.Groups[3].Value;
var extension2 = match2.Groups[4].Value;
if (string.Equals(title1, title2, StringComparison.OrdinalIgnoreCase))
{
if (!string.Equals(volume1, volume2, StringComparison.OrdinalIgnoreCase))
{
if (string.Equals(ignore1, ignore2, StringComparison.OrdinalIgnoreCase) &&
string.Equals(extension1, extension2, StringComparison.OrdinalIgnoreCase))
{
if (stack.Files.Count == 0)
{
stack.Name = title1 + ignore1;
stack.IsDirectoryStack = file1.IsDirectory;
stack.Files.Add(file1.FullName);
}
stack.Files.Add(file2.FullName);
}
else
{
// Sequel
offset = 0;
expressionIndex++;
break;
}
}
else if (!string.Equals(ignore1, ignore2, StringComparison.OrdinalIgnoreCase))
{
// False positive, try again with offset
offset = match1.Groups[3].Index;
break;
}
else
{
// Extension mismatch
offset = 0;
expressionIndex++;
break;
}
}
else
{
// Title mismatch
offset = 0;
expressionIndex++;
break;
}
}
else
{
// No match 2, next expression
offset = 0;
expressionIndex++;
break;
}
j++;
}
if (j == list.Count)
{
expressionIndex = expressions.Length;
}
}
else
{
// No match 1
offset = 0;
expressionIndex++;
}
if (stack.Files.Count > 1)
{
result.Stacks.Add(stack);
i += stack.Files.Count - 1;
break;
}
}
}
return(result);
}
/// <summary>
/// Resolves the video.
/// </summary>
/// <typeparam name="TVideoType">The type of the T video type.</typeparam>
/// <param name="args">The args.</param>
/// <param name="parseName">if set to <c>true</c> [parse name].</param>
/// <returns>``0.</returns>
protected TVideoType ResolveVideo <TVideoType>(ItemResolveArgs args, bool parseName)
where TVideoType : Video, new()
{
var namingOptions = ((LibraryManager)LibraryManager).GetNamingOptions();
// If the path is a file check for a matching extensions
var parser = new Emby.Naming.Video.VideoResolver(namingOptions);
if (args.IsDirectory)
{
TVideoType video = null;
VideoFileInfo videoInfo = null;
// Loop through each child file/folder and see if we find a video
foreach (var child in args.FileSystemChildren)
{
var filename = child.Name;
if (child.IsDirectory)
{
if (IsDvdDirectory(child.FullName, filename, args.DirectoryService))
{
videoInfo = parser.ResolveDirectory(args.Path);
if (videoInfo == null)
{
return(null);
}
video = new TVideoType
{
Path = args.Path,
VideoType = VideoType.Dvd,
ProductionYear = videoInfo.Year
};
break;
}
if (IsBluRayDirectory(child.FullName, filename, args.DirectoryService))
{
videoInfo = parser.ResolveDirectory(args.Path);
if (videoInfo == null)
{
return(null);
}
video = new TVideoType
{
Path = args.Path,
VideoType = VideoType.BluRay,
ProductionYear = videoInfo.Year
};
break;
}
}
else if (IsDvdFile(filename))
{
videoInfo = parser.ResolveDirectory(args.Path);
if (videoInfo == null)
{
return(null);
}
video = new TVideoType
{
Path = args.Path,
VideoType = VideoType.Dvd,
ProductionYear = videoInfo.Year
};
break;
}
}
if (video != null)
{
video.Name = parseName ?
videoInfo.Name :
Path.GetFileName(args.Path);
Set3DFormat(video, videoInfo);
}
return(video);
}
else
{
var videoInfo = parser.Resolve(args.Path, false, false);
if (videoInfo == null)
{
return(null);
}
if (LibraryManager.IsVideoFile(args.Path, args.GetLibraryOptions()) || videoInfo.IsStub)
{
var path = args.Path;
var video = new TVideoType
{
Path = path,
IsInMixedFolder = true,
ProductionYear = videoInfo.Year
};
SetVideoType(video, videoInfo);
video.Name = parseName ?
videoInfo.Name :
Path.GetFileNameWithoutExtension(args.Path);
Set3DFormat(video, videoInfo);
return(video);
}
}
return(null);
}
/// <summary>
/// Resolves videos from paths.
/// </summary>
/// <param name="files">List of paths.</param>
/// <param name="namingOptions">The naming options.</param>
/// <returns>Enumerable <see cref="FileStack"/> of videos.</returns>
public static IEnumerable <FileStack> Resolve(IEnumerable <FileSystemMetadata> files, NamingOptions namingOptions)
{
var potentialFiles = files
.Where(i => i.IsDirectory || VideoResolver.IsVideoFile(i.FullName, namingOptions) || VideoResolver.IsStubFile(i.FullName, namingOptions))
.OrderBy(i => i.FullName);
var potentialStacks = new Dictionary <string, StackMetadata>();
foreach (var file in potentialFiles)
{
var name = file.Name;
if (string.IsNullOrEmpty(name))
{
name = Path.GetFileName(file.FullName);
}
for (var i = 0; i < namingOptions.VideoFileStackingRules.Length; i++)
{
var rule = namingOptions.VideoFileStackingRules[i];
if (!rule.Match(name, out var stackParsingResult))
{
continue;
}
var stackName = stackParsingResult.Value.StackName;
var partNumber = stackParsingResult.Value.PartNumber;
var partType = stackParsingResult.Value.PartType;
if (!potentialStacks.TryGetValue(stackName, out var stackResult))
{
stackResult = new StackMetadata(file.IsDirectory, rule.IsNumerical, partType);
potentialStacks[stackName] = stackResult;
}
if (stackResult.Parts.Count > 0)
{
if (stackResult.IsDirectory != file.IsDirectory ||
!string.Equals(partType, stackResult.PartType, StringComparison.OrdinalIgnoreCase) ||
stackResult.ContainsPart(partNumber))
{
continue;
}
if (rule.IsNumerical != stackResult.IsNumerical)
{
break;
}
}
stackResult.Parts.Add(partNumber, file);
break;
}
}
foreach (var(fileName, stack) in potentialStacks)
{
if (stack.Parts.Count < 2)
{
continue;
}
yield return(new FileStack(fileName, stack.IsDirectory, stack.Parts.Select(kv => kv.Value.FullName).ToArray()));
}
}
/// <summary>
/// Attempts to resolve if file is extra.
/// </summary>
/// <param name="path">Path to file.</param>
/// <returns>Returns <see cref="ExtraResult"/> object.</returns>
public ExtraResult GetExtraInfo(string path)
{
var result = new ExtraResult();
for (var i = 0; i < _options.VideoExtraRules.Length; i++)
{
var rule = _options.VideoExtraRules[i];
if (rule.MediaType == MediaType.Audio)
{
if (!AudioFileParser.IsAudioFile(path, _options))
{
continue;
}
}
else if (rule.MediaType == MediaType.Video)
{
if (!VideoResolver.IsVideoFile(path, _options))
{
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)
{
var filename = Path.GetFileNameWithoutExtension(pathSpan);
if (filename.Contains(rule.Token, StringComparison.OrdinalIgnoreCase))
{
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;
}
}
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);
}
