jellyfin/MediaBrowser.Server.Implementations/Library/Resolvers/Movies/MovieResolver.cs

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using MediaBrowser.Common.IO;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Movies;
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using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Providers;
using MediaBrowser.Controller.Resolvers;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Naming.Common;
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using MediaBrowser.Naming.IO;
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using MediaBrowser.Naming.Video;
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
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namespace MediaBrowser.Server.Implementations.Library.Resolvers.Movies
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{
/// <summary>
/// Class MovieResolver
/// </summary>
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public class MovieResolver : BaseVideoResolver<Video>, IMultiItemResolver
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{
private readonly IServerApplicationPaths _applicationPaths;
private readonly ILogger _logger;
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private readonly IFileSystem _fileSystem;
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public MovieResolver(ILibraryManager libraryManager, IServerApplicationPaths applicationPaths, ILogger logger, IFileSystem fileSystem)
: base(libraryManager)
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{
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_applicationPaths = applicationPaths;
_logger = logger;
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_fileSystem = fileSystem;
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}
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/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override ResolverPriority Priority
{
get
{
// Give plugins a chance to catch iso's first
// Also since we have to loop through child files looking for videos,
// see if we can avoid some of that by letting other resolvers claim folders first
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// Also run after series resolver
return ResolverPriority.Third;
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}
}
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public MultiItemResolverResult ResolveMultiple(Folder parent,
List<FileSystemInfo> files,
string collectionType,
IDirectoryService directoryService)
{
if (IsInvalid(parent, collectionType, files))
{
return null;
}
if (string.Equals(collectionType, CollectionType.MusicVideos, StringComparison.OrdinalIgnoreCase))
{
return ResolveVideos<MusicVideo>(parent, files, directoryService, collectionType);
}
if (string.Equals(collectionType, CollectionType.HomeVideos, StringComparison.OrdinalIgnoreCase))
{
return ResolveVideos<Video>(parent, files, directoryService, collectionType);
}
if (string.IsNullOrEmpty(collectionType))
{
// Owned items should just use the plain video type
if (parent == null)
{
return ResolveVideos<Video>(parent, files, directoryService, collectionType);
}
return ResolveVideos<Movie>(parent, files, directoryService, collectionType);
}
if (string.Equals(collectionType, CollectionType.Movies, StringComparison.OrdinalIgnoreCase) ||
string.Equals(collectionType, CollectionType.BoxSets, StringComparison.OrdinalIgnoreCase))
{
return ResolveVideos<Movie>(parent, files, directoryService, collectionType);
}
return null;
}
private MultiItemResolverResult ResolveVideos<T>(Folder parent, IEnumerable<FileSystemInfo> fileSystemEntries, IDirectoryService directoryService, string collectionType)
where T : Video, new()
{
var files = new List<FileSystemInfo>();
var videos = new List<BaseItem>();
var leftOver = new List<FileSystemInfo>();
// Loop through each child file/folder and see if we find a video
foreach (var child in fileSystemEntries)
{
if ((child.Attributes & FileAttributes.Directory) == FileAttributes.Directory)
{
leftOver.Add(child);
}
else
{
files.Add(child);
}
}
var resolver = new VideoListResolver(new ExtendedNamingOptions(), new Naming.Logging.NullLogger());
var resolverResult = resolver.Resolve(files.Select(i => new PortableFileInfo
{
FullName = i.FullName,
Type = FileInfoType.File
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}).ToList()).ToList();
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var result = new MultiItemResolverResult
{
ExtraFiles = leftOver,
Items = videos
};
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var isInMixedFolder = resolverResult.Count > 0;
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foreach (var video in resolverResult)
{
var firstVideo = video.Files.First();
var videoItem = new T
{
Path = video.Files[0].Path,
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IsInMixedFolder = isInMixedFolder,
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ProductionYear = video.Year,
Name = video.Name,
AdditionalParts = video.Files.Skip(1).Select(i => i.Path).ToList()
};
SetVideoType(videoItem, firstVideo);
Set3DFormat(videoItem, firstVideo);
result.Items.Add(videoItem);
}
return result;
}
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/// <summary>
/// Resolves the specified args.
/// </summary>
/// <param name="args">The args.</param>
/// <returns>Video.</returns>
protected override Video Resolve(ItemResolveArgs args)
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{
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var collectionType = args.GetCollectionType();
if (IsInvalid(args.Parent, collectionType, args.FileSystemChildren))
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{
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return null;
}
// Find movies with their own folders
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if (args.IsDirectory)
{
if (string.Equals(collectionType, CollectionType.MusicVideos, StringComparison.OrdinalIgnoreCase))
{
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return FindMovie<MusicVideo>(args.Path, args.Parent, args.FileSystemChildren.ToList(), args.DirectoryService, collectionType, false);
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}
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if (string.Equals(collectionType, CollectionType.HomeVideos, StringComparison.OrdinalIgnoreCase))
{
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return FindMovie<Video>(args.Path, args.Parent, args.FileSystemChildren.ToList(), args.DirectoryService, collectionType, false);
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}
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if (string.IsNullOrEmpty(collectionType))
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{
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// Owned items should just use the plain video type
if (args.Parent == null)
{
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return FindMovie<Video>(args.Path, args.Parent, args.FileSystemChildren.ToList(), args.DirectoryService, collectionType);
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}
// Since the looping is expensive, this is an optimization to help us avoid it
if (args.ContainsMetaFileByName("series.xml"))
{
return null;
}
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return FindMovie<Movie>(args.Path, args.Parent, args.FileSystemChildren.ToList(), args.DirectoryService, collectionType);
}
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if (string.Equals(collectionType, CollectionType.Movies, StringComparison.OrdinalIgnoreCase) ||
string.Equals(collectionType, CollectionType.BoxSets, StringComparison.OrdinalIgnoreCase))
{
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return FindMovie<Movie>(args.Path, args.Parent, args.FileSystemChildren.ToList(), args.DirectoryService, collectionType);
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}
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return null;
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}
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// Owned items will be caught by the plain video resolver
if (args.Parent == null)
{
return null;
}
Video item = null;
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if (string.Equals(collectionType, CollectionType.MusicVideos, StringComparison.OrdinalIgnoreCase))
{
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item = ResolveVideo<MusicVideo>(args, false);
}
// To find a movie file, the collection type must be movies or boxsets
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else if (string.Equals(collectionType, CollectionType.Movies, StringComparison.OrdinalIgnoreCase) ||
string.Equals(collectionType, CollectionType.BoxSets, StringComparison.OrdinalIgnoreCase))
{
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item = ResolveVideo<Movie>(args, true);
}
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else if (string.Equals(collectionType, CollectionType.HomeVideos, StringComparison.OrdinalIgnoreCase))
{
item = ResolveVideo<Video>(args, false);
}
else if (string.IsNullOrEmpty(collectionType))
{
item = ResolveVideo<Movie>(args, false);
}
if (item != null)
{
item.IsInMixedFolder = true;
}
return item;
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}
/// <summary>
/// Sets the initial item values.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="args">The args.</param>
protected override void SetInitialItemValues(Video item, ItemResolveArgs args)
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{
base.SetInitialItemValues(item, args);
SetProviderIdFromPath(item);
}
/// <summary>
/// Sets the provider id from path.
/// </summary>
/// <param name="item">The item.</param>
private void SetProviderIdFromPath(Video item)
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{
//we need to only look at the name of this actual item (not parents)
var justName = item.IsInMixedFolder ? Path.GetFileName(item.Path) : Path.GetFileName(item.ContainingFolderPath);
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var id = justName.GetAttributeValue("tmdbid");
if (!string.IsNullOrEmpty(id))
{
item.SetProviderId(MetadataProviders.Tmdb, id);
}
}
/// <summary>
/// Finds a movie based on a child file system entries
/// </summary>
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/// <typeparam name="T"></typeparam>
/// <param name="path">The path.</param>
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/// <param name="parent">The parent.</param>
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/// <param name="fileSystemEntries">The file system entries.</param>
/// <param name="directoryService">The directory service.</param>
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/// <param name="collectionType">Type of the collection.</param>
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/// <param name="supportMultiVersion">if set to <c>true</c> [support multi version].</param>
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/// <returns>Movie.</returns>
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private T FindMovie<T>(string path, Folder parent, List<FileSystemInfo> fileSystemEntries, IDirectoryService directoryService, string collectionType, bool supportMultiVersion = true)
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where T : Video, new()
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{
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var multiDiscFolders = new List<FileSystemInfo>();
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// Search for a folder rip
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foreach (var child in fileSystemEntries)
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{
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var filename = child.Name;
if ((child.Attributes & FileAttributes.Directory) == FileAttributes.Directory)
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{
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if (IsDvdDirectory(filename))
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{
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var movie = new T
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{
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Path = path,
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VideoType = VideoType.Dvd
};
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Set3DFormat(movie);
return movie;
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}
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if (IsBluRayDirectory(filename))
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{
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var movie = new T
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{
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Path = path,
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VideoType = VideoType.BluRay
};
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Set3DFormat(movie);
return movie;
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}
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multiDiscFolders.Add(child);
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}
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else if (IsDvdFile(filename))
{
var movie = new T
{
Path = path,
VideoType = VideoType.Dvd
};
Set3DFormat(movie);
return movie;
}
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}
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var result = ResolveVideos<T>(parent, fileSystemEntries, directoryService, collectionType);
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// Test for multi-editions
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if (result.Items.Count > 1 && supportMultiVersion)
{
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var filenamePrefix = Path.GetFileName(path);
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if (!string.IsNullOrWhiteSpace(filenamePrefix))
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{
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if (result.Items.All(i => _fileSystem.GetFileNameWithoutExtension(i.Path).StartsWith(filenamePrefix + " - ", StringComparison.OrdinalIgnoreCase)))
{
var movie = (T)result.Items[0];
movie.Name = filenamePrefix;
movie.LocalAlternateVersions = result.Items.Skip(1).Select(i => i.Path).ToList();
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movie.IsInMixedFolder = false;
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_logger.Debug("Multi-version video found: " + movie.Path);
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return movie;
}
}
}
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if (result.Items.Count == 1)
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{
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var movie = (T)result.Items[0];
movie.IsInMixedFolder = false;
return movie;
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}
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if (result.Items.Count == 0 && multiDiscFolders.Count > 0)
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{
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return GetMultiDiscMovie<T>(multiDiscFolders, directoryService);
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}
return null;
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}
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/// <summary>
/// Gets the multi disc movie.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="multiDiscFolders">The folders.</param>
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/// <param name="directoryService">The directory service.</param>
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/// <returns>``0.</returns>
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private T GetMultiDiscMovie<T>(List<FileSystemInfo> multiDiscFolders, IDirectoryService directoryService)
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where T : Video, new()
{
var videoTypes = new List<VideoType>();
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var folderPaths = multiDiscFolders.Select(i => i.FullName).Where(i =>
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{
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var subFileEntries = directoryService.GetFileSystemEntries(i)
.ToList();
var subfolders = subFileEntries
.Where(e => (e.Attributes & FileAttributes.Directory) == FileAttributes.Directory)
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.Select(d => d.Name)
.ToList();
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if (subfolders.Any(IsDvdDirectory))
{
videoTypes.Add(VideoType.Dvd);
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return true;
}
if (subfolders.Any(IsBluRayDirectory))
{
videoTypes.Add(VideoType.BluRay);
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return true;
}
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var subFiles = subFileEntries
.Where(e => (e.Attributes & FileAttributes.Directory) != FileAttributes.Directory)
.Select(d => d.Name);
if (subFiles.Any(IsDvdFile))
{
videoTypes.Add(VideoType.Dvd);
return true;
}
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return false;
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}).OrderBy(i => i).ToList();
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// If different video types were found, don't allow this
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if (videoTypes.Distinct().Count() > 1)
{
return null;
}
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if (folderPaths.Count == 0)
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{
return null;
}
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var resolver = new StackResolver(new ExtendedNamingOptions(), new Naming.Logging.NullLogger());
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var result = resolver.ResolveDirectories(folderPaths);
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if (result.Stacks.Count != 1)
{
return null;
}
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return new T
{
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Path = folderPaths[0],
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AdditionalParts = folderPaths.Skip(1).ToList(),
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VideoType = videoTypes[0],
Name = result.Stacks[0].Name
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};
}
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private bool IsInvalid(Folder parent, string collectionType, IEnumerable<FileSystemInfo> files)
{
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if (parent != null)
{
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if (parent.IsRoot)
{
return true;
}
}
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// Don't do any resolving within a series structure
if (string.IsNullOrEmpty(collectionType))
{
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if (HasParent<Series>(parent) || HasParent<Season>(parent))
{
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return true;
}
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// Since the looping is expensive, this is an optimization to help us avoid it
if (files.Select(i => i.Name).Contains("series.xml", StringComparer.OrdinalIgnoreCase))
{
return true;
}
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}
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var validCollectionTypes = new[]
{
string.Empty,
CollectionType.Movies,
CollectionType.HomeVideos,
CollectionType.MusicVideos,
CollectionType.BoxSets,
CollectionType.Movies
};
return !validCollectionTypes.Contains(collectionType ?? string.Empty, StringComparer.OrdinalIgnoreCase);
}
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private bool HasParent<T>(Folder parent)
where T : Folder
{
if (parent != null)
{
var item = parent as T;
// Just in case the user decided to nest episodes.
// Not officially supported but in some cases we can handle it.
if (item == null)
{
item = parent.Parents.OfType<T>().FirstOrDefault();
}
return item != null;
}
return false;
}
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}
}