private static List <VideoInfo> GetVideosGroupedByVersion(List <VideoInfo> videos, NamingOptions namingOptions)
{
if (videos.Count == 0)
{
return(videos);
}
var folderName = Path.GetFileName(Path.GetDirectoryName(videos[0].Files[0].Path.AsSpan()));
if (folderName.Length <= 1 || !HaveSameYear(videos))
{
return(videos);
}
// Cannot use Span inside local functions and delegates thus we cannot use LINQ here nor merge with the above [if]
for (var i = 0; i < videos.Count; i++)
{
var video = videos[i];
if (video.ExtraType != null)
{
continue;
}
if (!IsEligibleForMultiVersion(folderName, video.Files[0].Path, namingOptions))
{
return(videos);
}
}
// The list is created and overwritten in the caller, so we are allowed to do in-place sorting
videos.Sort((x, y) => string.Compare(x.Name, y.Name, StringComparison.Ordinal));
var list = new List <VideoInfo>
{
videos[0]
};
var alternateVersionsLen = videos.Count - 1;
var alternateVersions = new VideoFileInfo[alternateVersionsLen];
for (int i = 0; i < alternateVersionsLen; i++)
{
var video = videos[i + 1];
alternateVersions[i] = video.Files[0];
}
list[0].AlternateVersions = alternateVersions;
list[0].Name = folderName.ToString();
return(list);
}
private IEnumerable <VideoInfo> GetVideosGroupedByVersion(List <VideoInfo> videos)
{
if (videos.Count == 0)
{
return(videos);
}
var list = new List <VideoInfo>();
var folderName = Path.GetFileName(Path.GetDirectoryName(videos[0].Files[0].Path));
if (!string.IsNullOrEmpty(folderName) &&
folderName.Length > 1 &&
videos.All(i => i.Files.Count == 1 &&
IsEligibleForMultiVersion(folderName, i.Files[0].Path)) &&
HaveSameYear(videos))
{
var ordered = videos.OrderBy(i => i.Name).ToList();
list.Add(ordered[0]);
var alternateVersionsLen = ordered.Count - 1;
var alternateVersions = new VideoFileInfo[alternateVersionsLen];
for (int i = 0; i < alternateVersionsLen; i++)
{
alternateVersions[i] = ordered[i + 1].Files[0];
}
list[0].AlternateVersions = alternateVersions;
list[0].Name = folderName;
var extras = ordered.Skip(1).SelectMany(i => i.Extras).ToList();
extras.AddRange(list[0].Extras);
list[0].Extras = extras;
return(list);
}
return(videos);
}
/// <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());
}