jellyfin/MediaBrowser.Server.Implementations/Library/Resolvers/Audio/MusicAlbumResolver.cs
2013-04-28 01:29:27 -04:00

109 lines
3.9 KiB
C#

using System.Collections.Generic;
using System.IO;
using System.Linq;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.IO;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Resolvers;
namespace MediaBrowser.Server.Implementations.Library.Resolvers.Audio
{
/// <summary>
/// Class MusicAlbumResolver
/// </summary>
public class MusicAlbumResolver : ItemResolver<MusicAlbum>
{
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override ResolverPriority Priority
{
get { return ResolverPriority.Third; } // we need to be ahead of the generic folder resolver but behind the movie one
}
/// <summary>
/// Resolves the specified args.
/// </summary>
/// <param name="args">The args.</param>
/// <returns>MusicAlbum.</returns>
protected override MusicAlbum Resolve(ItemResolveArgs args)
{
if (!args.IsDirectory) return null;
//Avoid mis-identifying top folders
if (args.Parent == null) return null;
if (args.Parent.IsRoot) return null;
return IsMusicAlbum(args) ? new MusicAlbum() : null;
}
/// <summary>
/// Determine if the supplied file data points to a music album
/// </summary>
/// <param name="path">The path.</param>
/// <returns><c>true</c> if [is music album] [the specified data]; otherwise, <c>false</c>.</returns>
public static bool IsMusicAlbum(string path)
{
// If list contains at least 2 audio files or at least one and no video files consider it to contain music
var foundAudio = 0;
foreach (var fullName in new DirectoryInfo(path).EnumerateFiles().Select(file => file.FullName))
{
if (AudioResolver.IsAudioFile(fullName)) foundAudio++;
if (foundAudio >= 2)
{
return true;
}
if (EntityResolutionHelper.IsVideoFile(fullName)) return false;
}
// or a single audio file and no video files
return foundAudio > 0;
}
/// <summary>
/// Determine if the supplied resolve args should be considered a music album
/// </summary>
/// <param name="args">The args.</param>
/// <returns><c>true</c> if [is music album] [the specified args]; otherwise, <c>false</c>.</returns>
public static bool IsMusicAlbum(ItemResolveArgs args)
{
// Args points to an album if parent is an Artist folder or it directly contains music
if (args.IsDirectory)
{
//if (args.Parent is MusicArtist) return true; //saves us from testing children twice
if (ContainsMusic(args.FileSystemChildren)) return true;
}
return false;
}
/// <summary>
/// Determine if the supplied list contains what we should consider music
/// </summary>
/// <param name="list">The list.</param>
/// <returns><c>true</c> if the specified list contains music; otherwise, <c>false</c>.</returns>
public static bool ContainsMusic(IEnumerable<FileSystemInfo> list)
{
// If list contains at least 2 audio files or at least one and no video files consider it to contain music
var foundAudio = 0;
foreach (var file in list)
{
if (AudioResolver.IsAudioFile(file.FullName)) foundAudio++;
if (foundAudio >= 2)
{
return true;
}
if (EntityResolutionHelper.IsVideoFile(file.FullName)) return false;
}
// or a single audio file and no video files
return foundAudio > 0;
}
}
}