mirror of
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627 lines
23 KiB
C#
627 lines
23 KiB
C#
using MediaBrowser.Controller.Dto;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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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.Persistence;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Querying;
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using ServiceStack.ServiceHost;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Api
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{
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/// <summary>
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/// Class GetCriticReviews
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/// </summary>
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[Route("/Items/{Id}/CriticReviews", "GET")]
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[Api(Description = "Gets critic reviews for an item")]
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public class GetCriticReviews : IReturn<ItemReviewsResult>
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{
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/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <value>The id.</value>
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
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/// <summary>
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/// Skips over a given number of items within the results. Use for paging.
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/// </summary>
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/// <value>The start index.</value>
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[ApiMember(Name = "StartIndex", Description = "Optional. The record index to start at. All items with a lower index will be dropped from the results.", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "GET")]
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public int? StartIndex { get; set; }
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/// <summary>
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/// The maximum number of items to return
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/// </summary>
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/// <value>The limit.</value>
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[ApiMember(Name = "Limit", Description = "Optional. The maximum number of records to return", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "GET")]
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public int? Limit { get; set; }
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}
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/// <summary>
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/// Class GetThemeSongs
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/// </summary>
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[Route("/Items/{Id}/ThemeSongs", "GET")]
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[Api(Description = "Gets theme songs for an item")]
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public class GetThemeSongs : IReturn<ThemeSongsResult>
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{
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/// <summary>
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/// Gets or sets the user id.
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/// </summary>
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/// <value>The user id.</value>
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[ApiMember(Name = "UserId", Description = "Optional. Filter by user id, and attach user data", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
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public Guid? UserId { get; set; }
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/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <value>The id.</value>
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
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}
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/// <summary>
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/// Class GetThemeVideos
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/// </summary>
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[Route("/Items/{Id}/ThemeVideos", "GET")]
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[Api(Description = "Gets video backdrops for an item")]
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public class GetThemeVideos : IReturn<ThemeVideosResult>
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{
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/// <summary>
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/// Gets or sets the user id.
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/// </summary>
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/// <value>The user id.</value>
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[ApiMember(Name = "UserId", Description = "Optional. Filter by user id, and attach user data", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
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public Guid? UserId { get; set; }
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/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <value>The id.</value>
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
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}
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[Route("/Library/Refresh", "POST")]
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[Api(Description = "Starts a library scan")]
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public class RefreshLibrary : IReturnVoid
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{
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}
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[Route("/Items/{Id}/Refresh", "POST")]
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[Api(Description = "Refreshes metadata for an item")]
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public class RefreshItem : IReturnVoid
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{
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[ApiMember(Name = "Forced", Description = "Indicates if a normal or forced refresh should occur.", IsRequired = false, DataType = "bool", ParameterType = "query", Verb = "POST")]
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public bool Forced { get; set; }
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[ApiMember(Name = "Recursive", Description = "Indicates if the refresh should occur recursively.", IsRequired = false, DataType = "bool", ParameterType = "query", Verb = "POST")]
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public bool Recursive { get; set; }
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
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public string Id { get; set; }
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}
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[Route("/Items/{Id}", "DELETE")]
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[Api(Description = "Deletes an item from the library and file system")]
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public class DeleteItem : IReturnVoid
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{
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
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public string Id { get; set; }
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}
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[Route("/Items/Counts", "GET")]
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[Api(Description = "Gets counts of various item types")]
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public class GetItemCounts : IReturn<ItemCounts>
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{
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[ApiMember(Name = "UserId", Description = "Optional. Get counts from a specific user's library.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
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public Guid? UserId { get; set; }
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}
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[Route("/Items/{Id}/Similar", "GET")]
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[Api(Description = "Gets items similar to a given input item.")]
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public class GetSimilarItems : IReturn<ItemsResult>
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{
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/// <summary>
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/// Gets or sets the user id.
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/// </summary>
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/// <value>The user id.</value>
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[ApiMember(Name = "UserId", Description = "Optional. Filter by user id, and attach user data", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
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public Guid? UserId { get; set; }
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/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <value>The id.</value>
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
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/// <summary>
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/// The maximum number of items to return
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/// </summary>
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/// <value>The limit.</value>
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[ApiMember(Name = "Limit", Description = "Optional. The maximum number of records to return", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "GET")]
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public int? Limit { get; set; }
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}
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/// <summary>
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/// Class LibraryService
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/// </summary>
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public class LibraryService : BaseApiService
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{
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/// <summary>
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/// The _item repo
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/// </summary>
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private readonly IItemRepository _itemRepo;
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private readonly ILibraryManager _libraryManager;
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private readonly IUserManager _userManager;
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private readonly IUserDataRepository _userDataRepository;
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/// <summary>
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/// Initializes a new instance of the <see cref="LibraryService" /> class.
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/// </summary>
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/// <param name="itemRepo">The item repo.</param>
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/// <param name="libraryManager">The library manager.</param>
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/// <param name="userManager">The user manager.</param>
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public LibraryService(IItemRepository itemRepo, ILibraryManager libraryManager, IUserManager userManager,
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IUserDataRepository userDataRepository)
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{
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_itemRepo = itemRepo;
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_libraryManager = libraryManager;
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_userManager = userManager;
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_userDataRepository = userDataRepository;
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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(GetCriticReviews request)
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{
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var result = GetCriticReviewsAsync(request).Result;
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return ToOptimizedResult(result);
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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(GetItemCounts request)
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{
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var items = GetItems(request.UserId).ToList();
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var counts = new ItemCounts
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{
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AlbumCount = items.OfType<MusicAlbum>().Count(),
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EpisodeCount = items.OfType<Episode>().Count(),
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GameCount = items.OfType<BaseGame>().Count(),
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MovieCount = items.OfType<Movie>().Count(),
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SeriesCount = items.OfType<Series>().Count(),
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SongCount = items.OfType<Audio>().Count(),
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TrailerCount = items.OfType<Trailer>().Count()
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};
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return ToOptimizedResult(counts);
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}
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protected IEnumerable<BaseItem> GetItems(Guid? userId)
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{
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if (userId.HasValue)
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{
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var user = _userManager.GetUserById(userId.Value);
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return _userManager.GetUserById(userId.Value).RootFolder.GetRecursiveChildren(user);
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}
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return _libraryManager.RootFolder.RecursiveChildren;
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}
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/// <summary>
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/// Posts the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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public async void Post(RefreshLibrary request)
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{
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try
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{
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await
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_libraryManager.ValidateMediaLibrary(new Progress<double>(), CancellationToken.None)
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.ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error refreshing library", ex);
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}
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}
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/// <summary>
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/// Deletes the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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public async void Delete(DeleteItem request)
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{
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var item = DtoBuilder.GetItemByClientId(request.Id, _userManager, _libraryManager);
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var parent = item.Parent;
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if (item.LocationType == LocationType.FileSystem)
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{
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if (Directory.Exists(item.Path))
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{
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Directory.Delete(item.Path, true);
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}
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else if (File.Exists(item.Path))
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{
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File.Delete(item.Path);
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}
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if (parent != null)
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{
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try
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{
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await
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parent.ValidateChildren(new Progress<double>(), CancellationToken.None)
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.ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error refreshing item", ex);
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}
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}
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}
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else if (parent != null)
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{
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try
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{
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await parent.RemoveChild(item, CancellationToken.None).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error removing item", ex);
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}
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}
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else
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{
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throw new InvalidOperationException("Don't know how to delete " + item.Name);
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}
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}
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/// <summary>
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/// Gets the critic reviews async.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>Task{ItemReviewsResult}.</returns>
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private async Task<ItemReviewsResult> GetCriticReviewsAsync(GetCriticReviews request)
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{
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var reviews = await _itemRepo.GetCriticReviews(new Guid(request.Id)).ConfigureAwait(false);
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var reviewsArray = reviews.ToArray();
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var result = new ItemReviewsResult
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{
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TotalRecordCount = reviewsArray.Length
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};
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if (request.StartIndex.HasValue)
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{
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reviewsArray = reviewsArray.Skip(request.StartIndex.Value).ToArray();
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}
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if (request.Limit.HasValue)
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{
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reviewsArray = reviewsArray.Take(request.Limit.Value).ToArray();
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}
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result.ItemReviews = reviewsArray;
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return result;
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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(GetThemeSongs request)
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{
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var user = request.UserId.HasValue ? _userManager.GetUserById(request.UserId.Value) : null;
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var item = string.IsNullOrEmpty(request.Id)
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? (request.UserId.HasValue
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? user.RootFolder
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: (Folder)_libraryManager.RootFolder)
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: DtoBuilder.GetItemByClientId(request.Id, _userManager, _libraryManager, request.UserId);
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// Get everything
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var fields =
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Enum.GetNames(typeof(ItemFields))
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.Select(i => (ItemFields)Enum.Parse(typeof(ItemFields), i, true))
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.ToList();
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var dtoBuilder = new DtoBuilder(Logger, _libraryManager, _userDataRepository);
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var items =
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_itemRepo.GetItems(item.ThemeSongIds)
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.OrderBy(i => i.SortName)
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.Select(i => dtoBuilder.GetBaseItemDto(i, fields, user))
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.Select(t => t.Result)
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.ToArray();
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var result = new ThemeSongsResult
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{
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Items = items,
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TotalRecordCount = items.Length,
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OwnerId = DtoBuilder.GetClientItemId(item)
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};
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return ToOptimizedResult(result);
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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(GetThemeVideos request)
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{
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var user = request.UserId.HasValue ? _userManager.GetUserById(request.UserId.Value) : null;
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var item = string.IsNullOrEmpty(request.Id)
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? (request.UserId.HasValue
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? user.RootFolder
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: (Folder)_libraryManager.RootFolder)
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: DtoBuilder.GetItemByClientId(request.Id, _userManager, _libraryManager, request.UserId);
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// Get everything
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var fields =
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Enum.GetNames(typeof(ItemFields))
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.Select(i => (ItemFields)Enum.Parse(typeof(ItemFields), i, true))
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.ToList();
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var dtoBuilder = new DtoBuilder(Logger, _libraryManager, _userDataRepository);
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var items =
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_itemRepo.GetItems(item.ThemeVideoIds)
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.OrderBy(i => i.SortName)
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.Select(i => dtoBuilder.GetBaseItemDto(i, fields, user))
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.Select(t => t.Result)
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.ToArray();
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var result = new ThemeVideosResult
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{
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Items = items,
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TotalRecordCount = items.Length,
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OwnerId = DtoBuilder.GetClientItemId(item)
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};
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return ToOptimizedResult(result);
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}
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/// <summary>
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/// Posts the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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public void Post(RefreshItem request)
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{
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var task = RefreshItem(request);
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Task.WaitAll(task);
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}
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private async Task RefreshItem(RefreshItem request)
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{
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var item = DtoBuilder.GetItemByClientId(request.Id, _userManager, _libraryManager);
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var folder = item as Folder;
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try
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{
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if (folder != null)
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{
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await
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folder.ValidateChildren(new Progress<double>(), CancellationToken.None, request.Recursive,
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request.Forced).ConfigureAwait(false);
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}
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else
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{
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await
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item.RefreshMetadata(CancellationToken.None, forceRefresh: request.Forced).ConfigureAwait(false);
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}
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error refreshing library", ex);
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}
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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(GetSimilarItems request)
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{
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var user = request.UserId.HasValue ? _userManager.GetUserById(request.UserId.Value) : null;
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var item = string.IsNullOrEmpty(request.Id) ?
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(request.UserId.HasValue ? user.RootFolder :
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(Folder)_libraryManager.RootFolder) : DtoBuilder.GetItemByClientId(request.Id, _userManager, _libraryManager, request.UserId);
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// Get everything
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var fields = Enum.GetNames(typeof(ItemFields)).Select(i => (ItemFields)Enum.Parse(typeof(ItemFields), i, true)).ToList();
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var dtoBuilder = new DtoBuilder(Logger, _libraryManager, _userDataRepository);
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var inputItems = user == null
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? _libraryManager.RootFolder.RecursiveChildren
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: user.RootFolder.GetRecursiveChildren(user);
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var items = GetSimilaritems(item, inputItems).ToArray();
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var result = new ItemsResult
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{
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Items = items.Take(request.Limit ?? items.Length).Select(i => dtoBuilder.GetBaseItemDto(i, fields, user)).Select(t => t.Result).ToArray(),
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TotalRecordCount = items.Length
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};
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return ToOptimizedResult(result);
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}
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/// <summary>
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/// Gets the similiar items.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="inputItems">The input items.</param>
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/// <returns>IEnumerable{BaseItem}.</returns>
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private IEnumerable<BaseItem> GetSimilaritems(BaseItem item, IEnumerable<BaseItem> inputItems)
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{
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if (item is Movie || item is Trailer)
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{
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inputItems = inputItems.Where(i => i is Movie || i is Trailer);
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}
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else if (item is Series)
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{
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inputItems = inputItems.Where(i => i is Series);
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}
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else if (item is BaseGame)
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{
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inputItems = inputItems.Where(i => i is BaseGame);
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}
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else if (item is MusicAlbum)
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{
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inputItems = inputItems.Where(i => i is MusicAlbum);
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}
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else if (item is Audio)
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{
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inputItems = inputItems.Where(i => i is Audio);
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}
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// Avoid implicitly captured closure
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var currentItem = item;
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return inputItems.Where(i => i.Id != currentItem.Id)
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.Select(i => new Tuple<BaseItem, int>(i, GetSimiliarityScore(item, i)))
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.Where(i => i.Item2 > 0)
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.OrderByDescending(i => i.Item2)
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.ThenByDescending(i => i.Item1.CriticRating ?? 0)
|
|
.Select(i => i.Item1);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the similiarity score.
|
|
/// </summary>
|
|
/// <param name="item1">The item1.</param>
|
|
/// <param name="item2">The item2.</param>
|
|
/// <returns>System.Int32.</returns>
|
|
private int GetSimiliarityScore(BaseItem item1, BaseItem item2)
|
|
{
|
|
var points = 0;
|
|
|
|
if (!string.IsNullOrEmpty(item1.OfficialRating) && string.Equals(item1.OfficialRating, item2.OfficialRating, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
points += 1;
|
|
}
|
|
|
|
// Find common genres
|
|
points += item1.Genres.Where(i => item2.Genres.Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 5);
|
|
|
|
// Find common tags
|
|
points += item1.Tags.Where(i => item2.Tags.Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 5);
|
|
|
|
// Find common studios
|
|
points += item1.Studios.Where(i => item2.Studios.Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 3);
|
|
|
|
var item2PeopleNames = item2.People.Select(i => i.Name).ToList();
|
|
|
|
points += item1.People.Where(i => item2PeopleNames.Contains(i.Name, StringComparer.OrdinalIgnoreCase)).Sum(i =>
|
|
{
|
|
if (string.Equals(i.Name, PersonType.Director, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return 5;
|
|
}
|
|
if (string.Equals(i.Name, PersonType.Actor, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return 3;
|
|
}
|
|
if (string.Equals(i.Name, PersonType.Composer, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return 3;
|
|
}
|
|
if (string.Equals(i.Name, PersonType.GuestStar, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return 3;
|
|
}
|
|
if (string.Equals(i.Name, PersonType.Writer, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
return 1;
|
|
});
|
|
|
|
if (item1.ProductionYear.HasValue && item2.ProductionYear.HasValue)
|
|
{
|
|
var diff = Math.Abs(item1.ProductionYear.Value - item2.ProductionYear.Value);
|
|
|
|
// Add if they came out within the same decade
|
|
if (diff < 10)
|
|
{
|
|
points += 3;
|
|
}
|
|
|
|
// And more if within five years
|
|
if (diff < 5)
|
|
{
|
|
points += 3;
|
|
}
|
|
}
|
|
|
|
var album = item1 as MusicAlbum;
|
|
|
|
if (album != null)
|
|
{
|
|
points += GetAlbumSimilarityScore(album, (MusicAlbum)item2);
|
|
}
|
|
|
|
return points;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the album similarity score.
|
|
/// </summary>
|
|
/// <param name="item1">The item1.</param>
|
|
/// <param name="item2">The item2.</param>
|
|
/// <returns>System.Int32.</returns>
|
|
private int GetAlbumSimilarityScore(MusicAlbum item1, MusicAlbum item2)
|
|
{
|
|
var artists1 = item1.RecursiveChildren
|
|
.OfType<Audio>()
|
|
.SelectMany(i => new[] { i.AlbumArtist, i.Artist })
|
|
.Where(i => !string.IsNullOrEmpty(i))
|
|
.Distinct(StringComparer.OrdinalIgnoreCase)
|
|
.ToList();
|
|
|
|
var artists2 = item2.RecursiveChildren
|
|
.OfType<Audio>()
|
|
.SelectMany(i => new[] { i.AlbumArtist, i.Artist })
|
|
.Where(i => !string.IsNullOrEmpty(i))
|
|
.Distinct(StringComparer.OrdinalIgnoreCase)
|
|
.ToList();
|
|
|
|
return artists1.Where(i => artists2.Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 5);
|
|
}
|
|
}
|
|
}
|