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jellyfin/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs

256 lines
9.0 KiB

#nullable disable
#pragma warning disable CS1591
using System;
using System.Collections.Generic;
using System.IO;
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using System.Linq;
using Emby.Naming.AudioBook;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Providers;
using MediaBrowser.Controller.Resolvers;
using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.IO;
namespace Emby.Server.Implementations.Library.Resolvers.Audio
{
/// <summary>
/// Class AudioResolver.
/// </summary>
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public class AudioResolver : ItemResolver<MediaBrowser.Controller.Entities.Audio.Audio>, IMultiItemResolver
{
private readonly ILibraryManager _libraryManager;
public AudioResolver(ILibraryManager libraryManager)
{
_libraryManager = libraryManager;
}
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override ResolverPriority Priority => ResolverPriority.Fifth;
public MultiItemResolverResult ResolveMultiple(
Folder parent,
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List<FileSystemMetadata> files,
string collectionType,
IDirectoryService directoryService)
{
var result = ResolveMultipleInternal(parent, files, collectionType, directoryService);
if (result != null)
{
foreach (var item in result.Items)
{
SetInitialItemValues((MediaBrowser.Controller.Entities.Audio.Audio)item, null);
}
}
return result;
}
private MultiItemResolverResult ResolveMultipleInternal(
Folder parent,
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List<FileSystemMetadata> files,
string collectionType,
IDirectoryService directoryService)
{
if (string.Equals(collectionType, CollectionType.Books, StringComparison.OrdinalIgnoreCase))
{
return ResolveMultipleAudio<AudioBook>(parent, files, directoryService, false, collectionType, true);
}
return null;
}
/// <summary>
/// Resolves the specified args.
/// </summary>
/// <param name="args">The args.</param>
/// <returns>Entities.Audio.Audio.</returns>
protected override MediaBrowser.Controller.Entities.Audio.Audio Resolve(ItemResolveArgs args)
{
// Return audio if the path is a file and has a matching extension
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var collectionType = args.GetCollectionType();
var isBooksCollectionType = string.Equals(collectionType, CollectionType.Books, StringComparison.OrdinalIgnoreCase);
if (args.IsDirectory)
{
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if (!isBooksCollectionType)
{
return null;
}
var files = args.FileSystemChildren
.Where(i => !_libraryManager.IgnoreFile(i, args.Parent))
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.ToList();
return FindAudio<AudioBook>(args, args.Path, args.Parent, files, args.DirectoryService, collectionType, false);
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}
if (_libraryManager.IsAudioFile(args.Path))
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{
var extension = Path.GetExtension(args.Path);
if (string.Equals(extension, ".cue", StringComparison.OrdinalIgnoreCase))
{
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// if audio file exists of same name, return null
return null;
}
var isMixedCollectionType = string.IsNullOrEmpty(collectionType);
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// For conflicting extensions, give priority to videos
if (isMixedCollectionType && _libraryManager.IsVideoFile(args.Path))
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{
return null;
}
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MediaBrowser.Controller.Entities.Audio.Audio item = null;
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var isMusicCollectionType = string.Equals(collectionType, CollectionType.Music, StringComparison.OrdinalIgnoreCase);
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// Use regular audio type for mixed libraries, owned items and music
if (isMixedCollectionType ||
args.Parent == null ||
isMusicCollectionType)
{
item = new MediaBrowser.Controller.Entities.Audio.Audio();
}
else if (isBooksCollectionType)
{
item = new AudioBook();
}
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if (item != null)
{
item.IsShortcut = string.Equals(extension, ".strm", StringComparison.OrdinalIgnoreCase);
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item.IsInMixedFolder = true;
}
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return item;
}
return null;
}
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private T FindAudio<T>(ItemResolveArgs args, string path, Folder parent, List<FileSystemMetadata> fileSystemEntries, IDirectoryService directoryService, string collectionType, bool parseName)
where T : MediaBrowser.Controller.Entities.Audio.Audio, new()
{
// TODO: Allow GetMultiDiscMovie in here
const bool supportsMultiVersion = false;
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var result = ResolveMultipleAudio<T>(parent, fileSystemEntries, directoryService, supportsMultiVersion, collectionType, parseName) ??
new MultiItemResolverResult();
if (result.Items.Count == 1)
{
// If we were supporting this we'd be checking filesFromOtherItems
var item = (T)result.Items[0];
item.IsInMixedFolder = false;
item.Name = Path.GetFileName(item.ContainingFolderPath);
return item;
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}
return null;
}
private MultiItemResolverResult ResolveMultipleAudio<T>(Folder parent, IEnumerable<FileSystemMetadata> fileSystemEntries, IDirectoryService directoryService, bool suppportMultiEditions, string collectionType, bool parseName)
where T : MediaBrowser.Controller.Entities.Audio.Audio, new()
{
var files = new List<FileSystemMetadata>();
var items = new List<BaseItem>();
var leftOver = new List<FileSystemMetadata>();
// Loop through each child file/folder and see if we find a video
foreach (var child in fileSystemEntries)
{
if (child.IsDirectory)
{
leftOver.Add(child);
}
else if (!IsIgnored(child.Name))
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{
files.Add(child);
}
}
var namingOptions = ((LibraryManager)_libraryManager).GetNamingOptions();
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var resolver = new AudioBookListResolver(namingOptions);
var resolverResult = resolver.Resolve(files).ToList();
var result = new MultiItemResolverResult
{
ExtraFiles = leftOver,
Items = items
};
var isInMixedFolder = resolverResult.Count > 1 || (parent != null && parent.IsTopParent);
foreach (var resolvedItem in resolverResult)
{
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if (resolvedItem.Files.Count > 1)
{
// For now, until we sort out naming for multi-part books
continue;
}
if (resolvedItem.Files.Count == 0)
{
continue;
}
var firstMedia = resolvedItem.Files[0];
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var libraryItem = new T
{
Path = firstMedia.Path,
IsInMixedFolder = isInMixedFolder,
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ProductionYear = resolvedItem.Year,
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Name = parseName ?
resolvedItem.Name :
Path.GetFileNameWithoutExtension(firstMedia.Path),
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// AdditionalParts = resolvedItem.Files.Skip(1).Select(i => i.Path).ToArray(),
// LocalAlternateVersions = resolvedItem.AlternateVersions.Select(i => i.Path).ToArray()
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};
result.Items.Add(libraryItem);
}
result.ExtraFiles.AddRange(files.Where(i => !ContainsFile(resolverResult, i)));
return result;
}
private bool ContainsFile(List<AudioBookInfo> result, FileSystemMetadata file)
{
return result.Any(i => ContainsFile(i, file));
}
private bool ContainsFile(AudioBookInfo result, FileSystemMetadata file)
{
return result.Files.Any(i => ContainsFile(i, file)) ||
result.AlternateVersions.Any(i => ContainsFile(i, file)) ||
result.Extras.Any(i => ContainsFile(i, file));
}
private static bool ContainsFile(AudioBookFileInfo result, FileSystemMetadata file)
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{
return string.Equals(result.Path, file.FullName, StringComparison.OrdinalIgnoreCase);
}
private static bool IsIgnored(string filename)
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{
return false;
}
}
}