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jellyfin/MediaBrowser.Api/UserLibrary/MusicGenresService.cs

171 lines
6.1 KiB

using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Querying;
using ServiceStack.ServiceHost;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace MediaBrowser.Api.UserLibrary
{
[Route("/MusicGenres", "GET")]
[Api(Description = "Gets all music genres from a given item, folder, or the entire library")]
public class GetMusicGenres : GetItemsByName
{
public GetMusicGenres()
{
IncludeItemTypes = typeof (Audio).Name;
}
}
[Route("/MusicGenres/{Name}/Counts", "GET")]
[Api(Description = "Gets item counts of library items that a genre appears in")]
public class GetMusicGenreItemCounts : IReturn<ItemByNameCounts>
{
/// <summary>
/// Gets or sets the user id.
/// </summary>
/// <value>The user id.</value>
[ApiMember(Name = "UserId", Description = "User Id", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
public Guid? UserId { get; set; }
/// <summary>
/// Gets or sets the name.
/// </summary>
/// <value>The name.</value>
[ApiMember(Name = "Name", Description = "The genre name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Name { get; set; }
}
[Route("/MusicGenres/{Name}", "GET")]
[Api(Description = "Gets a music genre, by name")]
public class GetMusicGenre : IReturn<BaseItemDto>
{
/// <summary>
/// Gets or sets the name.
/// </summary>
/// <value>The name.</value>
[ApiMember(Name = "Name", Description = "The genre name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Name { get; set; }
/// <summary>
/// Gets or sets the user id.
/// </summary>
/// <value>The user id.</value>
[ApiMember(Name = "UserId", Description = "Optional. Filter by user id, and attach user data", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
public Guid? UserId { get; set; }
}
public class MusicGenresService : BaseItemsByNameService<MusicGenre>
{
public MusicGenresService(IUserManager userManager, ILibraryManager libraryManager, IUserDataRepository userDataRepository)
: base(userManager, libraryManager, userDataRepository)
{
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetMusicGenre request)
{
var result = GetItem(request).Result;
return ToOptimizedResult(result);
}
/// <summary>
/// Gets the item.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>Task{BaseItemDto}.</returns>
private async Task<BaseItemDto> GetItem(GetMusicGenre request)
{
var item = await GetMusicGenre(request.Name, LibraryManager).ConfigureAwait(false);
// Get everything
var fields = Enum.GetNames(typeof(ItemFields)).Select(i => (ItemFields)Enum.Parse(typeof(ItemFields), i, true));
var builder = new DtoBuilder(Logger, LibraryManager, UserDataRepository);
if (request.UserId.HasValue)
{
var user = UserManager.GetUserById(request.UserId.Value);
return await builder.GetBaseItemDto(item, fields.ToList(), user).ConfigureAwait(false);
}
return await builder.GetBaseItemDto(item, fields.ToList()).ConfigureAwait(false);
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetMusicGenres request)
{
var result = GetResult(request).Result;
return ToOptimizedResult(result);
}
/// <summary>
/// Gets all items.
/// </summary>
/// <param name="request">The request.</param>
/// <param name="items">The items.</param>
/// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
protected override IEnumerable<IbnStub<MusicGenre>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
{
var itemsList = items.Where(i => i.Genres != null).ToList();
return itemsList
.SelectMany(i => i.Genres)
.Distinct(StringComparer.OrdinalIgnoreCase)
.Select(name => new IbnStub<MusicGenre>(name, () => itemsList.Where(i => i.Genres.Contains(name, StringComparer.OrdinalIgnoreCase)), GetEntity));
}
/// <summary>
/// Gets the entity.
/// </summary>
/// <param name="name">The name.</param>
/// <returns>Task{Genre}.</returns>
protected Task<MusicGenre> GetEntity(string name)
{
return LibraryManager.GetMusicGenre(name);
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetMusicGenreItemCounts request)
{
var name = DeSlugGenreName(request.Name, LibraryManager);
var items = GetItems(request.UserId).Where(i => i.Genres != null && i.Genres.Contains(name, StringComparer.OrdinalIgnoreCase)).ToList();
var counts = new ItemByNameCounts
{
TotalCount = items.Count,
SongCount = items.OfType<Audio>().Count(),
AlbumCount = items.OfType<MusicAlbum>().Count(),
MusicVideoCount = items.OfType<MusicVideo>().Count()
};
return ToOptimizedResult(counts);
}
}
}