91 lines
3.1 KiB
C#
91 lines
3.1 KiB
C#
using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Persistence;
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using ServiceStack.ServiceHost;
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using System;
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using System.Linq;
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namespace MediaBrowser.Api
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{
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[Route("/Albums/{Id}/Similar", "GET")]
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[Api(Description = "Finds albums similar to a given album.")]
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public class GetSimilarAlbums : BaseGetSimilarItems
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{
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}
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public class AlbumsService : BaseApiService
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{
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/// <summary>
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/// The _user manager
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/// </summary>
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private readonly IUserManager _userManager;
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/// <summary>
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/// The _user data repository
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/// </summary>
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private readonly IUserDataRepository _userDataRepository;
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/// <summary>
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/// The _library manager
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/// </summary>
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private readonly ILibraryManager _libraryManager;
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private readonly IItemRepository _itemRepo;
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public AlbumsService(IUserManager userManager, IUserDataRepository userDataRepository, ILibraryManager libraryManager, IItemRepository itemRepo)
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{
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_userManager = userManager;
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_userDataRepository = userDataRepository;
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_libraryManager = libraryManager;
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_itemRepo = itemRepo;
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}
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/// <summary>
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/// Gets the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Get(GetSimilarAlbums request)
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{
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var result = SimilarItemsHelper.GetSimilarItems(_userManager,
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_itemRepo,
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_libraryManager,
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_userDataRepository,
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Logger,
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request, item => item is MusicAlbum,
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GetAlbumSimilarityScore);
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return ToOptimizedResult(result);
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}
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/// <summary>
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/// Gets the album similarity score.
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/// </summary>
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/// <param name="item1">The item1.</param>
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/// <param name="item2">The item2.</param>
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/// <returns>System.Int32.</returns>
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private int GetAlbumSimilarityScore(BaseItem item1, BaseItem item2)
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{
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var points = SimilarItemsHelper.GetSimiliarityScore(item1, item2);
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var album1 = (MusicAlbum)item1;
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var album2 = (MusicAlbum)item2;
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var artists1 = album1.RecursiveChildren
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.OfType<Audio>()
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.SelectMany(i => new[] { i.AlbumArtist, i.Artist })
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.Where(i => !string.IsNullOrEmpty(i))
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.Distinct(StringComparer.OrdinalIgnoreCase)
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.ToList();
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var artists2 = album2.RecursiveChildren
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.OfType<Audio>()
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.SelectMany(i => new[] { i.AlbumArtist, i.Artist })
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.Where(i => !string.IsNullOrEmpty(i))
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.Distinct(StringComparer.OrdinalIgnoreCase)
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.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
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return points + artists1.Where(artists2.ContainsKey).Sum(i => 5);
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}
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}
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}
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