jellyfin/MediaBrowser.Api/Library/LibraryService.cs
2015-02-06 00:39:07 -05:00

806 lines
29 KiB
C#

using MediaBrowser.Controller.Channels;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.Net;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
using ServiceStack;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Api.Library
{
[Route("/Items/{Id}/File", "GET", Summary = "Gets the original file of an item")]
[Authenticated]
public class GetFile
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Id { get; set; }
}
/// <summary>
/// Class GetCriticReviews
/// </summary>
[Route("/Items/{Id}/CriticReviews", "GET", Summary = "Gets critic reviews for an item")]
[Authenticated]
public class GetCriticReviews : IReturn<QueryResult<ItemReview>>
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Id { get; set; }
/// <summary>
/// Skips over a given number of items within the results. Use for paging.
/// </summary>
/// <value>The start index.</value>
[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")]
public int? StartIndex { get; set; }
/// <summary>
/// The maximum number of items to return
/// </summary>
/// <value>The limit.</value>
[ApiMember(Name = "Limit", Description = "Optional. The maximum number of records to return", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "GET")]
public int? Limit { get; set; }
}
/// <summary>
/// Class GetThemeSongs
/// </summary>
[Route("/Items/{Id}/ThemeSongs", "GET", Summary = "Gets theme songs for an item")]
[Authenticated]
public class GetThemeSongs : IReturn<ThemeMediaResult>
{
/// <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; }
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Id { get; set; }
[ApiMember(Name = "InheritFromParent", Description = "Determines whether or not parent items should be searched for theme media.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
public bool InheritFromParent { get; set; }
}
/// <summary>
/// Class GetThemeVideos
/// </summary>
[Route("/Items/{Id}/ThemeVideos", "GET", Summary = "Gets theme videos for an item")]
[Authenticated]
public class GetThemeVideos : IReturn<ThemeMediaResult>
{
/// <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; }
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Id { get; set; }
[ApiMember(Name = "InheritFromParent", Description = "Determines whether or not parent items should be searched for theme media.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
public bool InheritFromParent { get; set; }
}
/// <summary>
/// Class GetThemeVideos
/// </summary>
[Route("/Items/{Id}/ThemeMedia", "GET", Summary = "Gets theme videos and songs for an item")]
[Authenticated]
public class GetThemeMedia : IReturn<AllThemeMediaResult>
{
/// <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; }
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Id { get; set; }
[ApiMember(Name = "InheritFromParent", Description = "Determines whether or not parent items should be searched for theme media.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
public bool InheritFromParent { get; set; }
}
[Route("/Library/Refresh", "POST", Summary = "Starts a library scan")]
[Authenticated(Roles = "Admin")]
public class RefreshLibrary : IReturnVoid
{
}
[Route("/Items/{Id}", "DELETE", Summary = "Deletes an item from the library and file system")]
[Authenticated]
public class DeleteItem : IReturnVoid
{
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
public string Id { get; set; }
}
[Route("/Items/Counts", "GET")]
[Authenticated]
public class GetItemCounts : IReturn<ItemCounts>
{
[ApiMember(Name = "UserId", Description = "Optional. Get counts from a specific user's library.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
public Guid? UserId { get; set; }
[ApiMember(Name = "IsFavorite", Description = "Optional. Get counts of favorite items", IsRequired = false, DataType = "bool", ParameterType = "query", Verb = "GET")]
public bool? IsFavorite { get; set; }
}
[Route("/Items/{Id}/Ancestors", "GET", Summary = "Gets all parents of an item")]
[Authenticated]
public class GetAncestors : IReturn<BaseItemDto[]>
{
/// <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; }
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Id { get; set; }
}
[Route("/Items/YearIndex", "GET", Summary = "Gets a year index based on an item query.")]
[Authenticated]
public class GetYearIndex : IReturn<List<ItemIndex>>
{
/// <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; }
[ApiMember(Name = "IncludeItemTypes", Description = "Optional. If specified, results will be filtered based on item type. This allows multiple, comma delimeted.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
public string IncludeItemTypes { get; set; }
}
/// <summary>
/// Class GetPhyscialPaths
/// </summary>
[Route("/Library/PhysicalPaths", "GET", Summary = "Gets a list of physical paths from virtual folders")]
[Authenticated(Roles = "Admin")]
public class GetPhyscialPaths : IReturn<List<string>>
{
}
[Route("/Library/MediaFolders", "GET", Summary = "Gets all user media folders.")]
[Authenticated]
public class GetMediaFolders : IReturn<ItemsResult>
{
[ApiMember(Name = "IsHidden", Description = "Optional. Filter by folders that are marked hidden, or not.", IsRequired = false, DataType = "boolean", ParameterType = "query", Verb = "GET")]
public bool? IsHidden { get; set; }
}
[Route("/Library/Series/Added", "POST", Summary = "Reports that new episodes of a series have been added by an external source")]
[Route("/Library/Series/Updated", "POST", Summary = "Reports that new episodes of a series have been added by an external source")]
[Authenticated]
public class PostUpdatedSeries : IReturnVoid
{
[ApiMember(Name = "TvdbId", Description = "Tvdb Id", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
public string TvdbId { get; set; }
}
[Route("/Items/{Id}/Download", "GET", Summary = "Downloads item media")]
[Authenticated(Roles = "download")]
public class GetDownload
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Id { get; set; }
}
/// <summary>
/// Class LibraryService
/// </summary>
public class LibraryService : BaseApiService
{
/// <summary>
/// The _item repo
/// </summary>
private readonly IItemRepository _itemRepo;
private readonly ILibraryManager _libraryManager;
private readonly IUserManager _userManager;
private readonly IUserDataManager _userDataManager;
private readonly IDtoService _dtoService;
private readonly IChannelManager _channelManager;
private readonly ISessionManager _sessionManager;
private readonly IAuthorizationContext _authContext;
/// <summary>
/// Initializes a new instance of the <see cref="LibraryService" /> class.
/// </summary>
public LibraryService(IItemRepository itemRepo, ILibraryManager libraryManager, IUserManager userManager,
IDtoService dtoService, IUserDataManager userDataManager, IChannelManager channelManager, ISessionManager sessionManager, IAuthorizationContext authContext)
{
_itemRepo = itemRepo;
_libraryManager = libraryManager;
_userManager = userManager;
_dtoService = dtoService;
_userDataManager = userDataManager;
_channelManager = channelManager;
_sessionManager = sessionManager;
_authContext = authContext;
}
public object Get(GetMediaFolders request)
{
var items = _libraryManager.GetUserRootFolder().Children.OrderBy(i => i.SortName).ToList();
if (request.IsHidden.HasValue)
{
var val = request.IsHidden.Value;
items = items.Where(i => i.IsHidden == val).ToList();
}
var dtoOptions = GetDtoOptions(request);
var result = new ItemsResult
{
TotalRecordCount = items.Count,
Items = items.Select(i => _dtoService.GetBaseItemDto(i, dtoOptions)).ToArray()
};
return ToOptimizedResult(result);
}
public void Post(PostUpdatedSeries request)
{
Task.Run(() => _libraryManager.ValidateMediaLibrary(new Progress<double>(), CancellationToken.None));
}
public object Get(GetDownload request)
{
var item = _libraryManager.GetItemById(request.Id);
if (!item.CanDelete())
{
throw new ArgumentException("Item does not support downloading");
}
var headers = new Dictionary<string, string>();
// Quotes are valid in linux. They'll possibly cause issues here
var filename = Path.GetFileName(item.Path).Replace("\"", string.Empty);
headers["Content-Disposition"] = string.Format("inline; filename=\"{0}\"", filename);
return ResultFactory.GetStaticFileResult(Request, new StaticFileResultOptions
{
Path = item.Path,
ResponseHeaders = headers
});
}
public object Get(GetFile request)
{
var item = _libraryManager.GetItemById(request.Id);
var locationType = item.LocationType;
if (locationType == LocationType.Remote || locationType == LocationType.Virtual)
{
throw new ArgumentException("This command cannot be used for remote or virtual items.");
}
if (Directory.Exists(item.Path))
{
throw new ArgumentException("This command cannot be used for directories.");
}
return ToStaticFileResult(item.Path);
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetPhyscialPaths request)
{
var result = _libraryManager.RootFolder.Children
.SelectMany(c => c.PhysicalLocations)
.ToList();
return ToOptimizedSerializedResultUsingCache(result);
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetAncestors request)
{
var result = GetAncestors(request);
return ToOptimizedSerializedResultUsingCache(result);
}
/// <summary>
/// Gets the ancestors.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>Task{BaseItemDto[]}.</returns>
public List<BaseItemDto> GetAncestors(GetAncestors request)
{
var item = _libraryManager.GetItemById(request.Id);
var baseItemDtos = new List<BaseItemDto>();
var user = request.UserId.HasValue ? _userManager.GetUserById(request.UserId.Value) : null;
var dtoOptions = GetDtoOptions(request);
BaseItem parent = item.Parent;
while (parent != null)
{
if (user != null)
{
parent = TranslateParentItem(parent, user);
}
baseItemDtos.Add(_dtoService.GetBaseItemDto(parent, dtoOptions, user));
parent = parent.Parent;
}
return baseItemDtos.ToList();
}
private BaseItem TranslateParentItem(BaseItem item, User user)
{
if (item.Parent is AggregateFolder)
{
return user.RootFolder.GetChildren(user, true).FirstOrDefault(i => i.PhysicalLocations.Contains(item.Path));
}
return item;
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetCriticReviews request)
{
var result = GetCriticReviews(request);
return ToOptimizedSerializedResultUsingCache(result);
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetItemCounts request)
{
var filteredItems = GetAllLibraryItems(request.UserId, _userManager, _libraryManager, null, i => i.LocationType != LocationType.Virtual && FilterItem(i, request, request.UserId));
var counts = new ItemCounts
{
AlbumCount = filteredItems.Count(i => i is MusicAlbum),
EpisodeCount = filteredItems.Count(i => i is Episode),
GameCount = filteredItems.Count(i => i is Game),
GameSystemCount = filteredItems.Count(i => i is GameSystem),
MovieCount = filteredItems.Count(i => i is Movie),
SeriesCount = filteredItems.Count(i => i is Series),
SongCount = filteredItems.Count(i => i is Audio),
MusicVideoCount = filteredItems.Count(i => i is MusicVideo),
BoxSetCount = filteredItems.Count(i => i is BoxSet),
BookCount = filteredItems.Count(i => i is Book),
UniqueTypes = filteredItems.Select(i => i.GetClientTypeName()).Distinct().ToList()
};
return ToOptimizedSerializedResultUsingCache(counts);
}
private bool FilterItem(BaseItem item, GetItemCounts request, Guid? userId)
{
if (userId.HasValue)
{
if (request.IsFavorite.HasValue)
{
var val = request.IsFavorite.Value;
if (_userDataManager.GetUserData(userId.Value, item.GetUserDataKey()).IsFavorite != val)
{
return false;
}
}
}
return true;
}
/// <summary>
/// Posts the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(RefreshLibrary request)
{
try
{
_libraryManager.ValidateMediaLibrary(new Progress<double>(), CancellationToken.None);
}
catch (Exception ex)
{
Logger.ErrorException("Error refreshing library", ex);
}
}
/// <summary>
/// Deletes the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Delete(DeleteItem request)
{
var item = _libraryManager.GetItemById(request.Id);
var auth = _authContext.GetAuthorizationInfo(Request);
var user = _userManager.GetUserById(auth.UserId);
if (!item.CanDelete(user))
{
throw new UnauthorizedAccessException();
}
var task = _libraryManager.DeleteItem(item);
Task.WaitAll(task);
}
/// <summary>
/// Gets the critic reviews async.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>Task{ItemReviewsResult}.</returns>
private QueryResult<ItemReview> GetCriticReviews(GetCriticReviews request)
{
var reviews = _itemRepo.GetCriticReviews(new Guid(request.Id));
var reviewsArray = reviews.ToArray();
var result = new QueryResult<ItemReview>
{
TotalRecordCount = reviewsArray.Length
};
if (request.StartIndex.HasValue)
{
reviewsArray = reviewsArray.Skip(request.StartIndex.Value).ToArray();
}
if (request.Limit.HasValue)
{
reviewsArray = reviewsArray.Take(request.Limit.Value).ToArray();
}
result.Items = reviewsArray;
return result;
}
public object Get(GetThemeMedia request)
{
var themeSongs = GetThemeSongs(new GetThemeSongs
{
InheritFromParent = request.InheritFromParent,
Id = request.Id,
UserId = request.UserId
});
var themeVideos = GetThemeVideos(new GetThemeVideos
{
InheritFromParent = request.InheritFromParent,
Id = request.Id,
UserId = request.UserId
});
return ToOptimizedSerializedResultUsingCache(new AllThemeMediaResult
{
ThemeSongsResult = themeSongs,
ThemeVideosResult = themeVideos,
SoundtrackSongsResult = GetSoundtrackSongs(request, request.Id, request.UserId, request.InheritFromParent)
});
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetThemeSongs request)
{
var result = GetThemeSongs(request);
return ToOptimizedSerializedResultUsingCache(result);
}
private ThemeMediaResult GetThemeSongs(GetThemeSongs request)
{
var user = request.UserId.HasValue ? _userManager.GetUserById(request.UserId.Value) : null;
var item = string.IsNullOrEmpty(request.Id)
? (request.UserId.HasValue
? user.RootFolder
: (Folder)_libraryManager.RootFolder)
: _libraryManager.GetItemById(request.Id);
var originalItem = item;
while (GetThemeSongIds(item).Count == 0 && request.InheritFromParent && item.Parent != null)
{
item = item.Parent;
}
var themeSongIds = GetThemeSongIds(item);
if (themeSongIds.Count == 0 && request.InheritFromParent)
{
var album = originalItem as MusicAlbum;
if (album != null)
{
var linkedItemWithThemes = album.SoundtrackIds
.Select(i => _libraryManager.GetItemById(i))
.FirstOrDefault(i => GetThemeSongIds(i).Count > 0);
if (linkedItemWithThemes != null)
{
themeSongIds = GetThemeSongIds(linkedItemWithThemes);
item = linkedItemWithThemes;
}
}
}
var dtoOptions = GetDtoOptions(request);
var dtos = themeSongIds.Select(_libraryManager.GetItemById)
.OrderBy(i => i.SortName)
.Select(i => _dtoService.GetBaseItemDto(i, dtoOptions, user, item));
var items = dtos.ToArray();
return new ThemeMediaResult
{
Items = items,
TotalRecordCount = items.Length,
OwnerId = _dtoService.GetDtoId(item)
};
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetThemeVideos request)
{
var result = GetThemeVideos(request);
return ToOptimizedSerializedResultUsingCache(result);
}
public ThemeMediaResult GetThemeVideos(GetThemeVideos request)
{
var user = request.UserId.HasValue ? _userManager.GetUserById(request.UserId.Value) : null;
var item = string.IsNullOrEmpty(request.Id)
? (request.UserId.HasValue
? user.RootFolder
: (Folder)_libraryManager.RootFolder)
: _libraryManager.GetItemById(request.Id);
var originalItem = item;
while (GetThemeVideoIds(item).Count == 0 && request.InheritFromParent && item.Parent != null)
{
item = item.Parent;
}
var themeVideoIds = GetThemeVideoIds(item);
if (themeVideoIds.Count == 0 && request.InheritFromParent)
{
var album = originalItem as MusicAlbum;
if (album == null)
{
album = originalItem.Parents.OfType<MusicAlbum>().FirstOrDefault();
}
if (album != null)
{
var linkedItemWithThemes = album.SoundtrackIds
.Select(i => _libraryManager.GetItemById(i))
.FirstOrDefault(i => GetThemeVideoIds(i).Count > 0);
if (linkedItemWithThemes != null)
{
themeVideoIds = GetThemeVideoIds(linkedItemWithThemes);
item = linkedItemWithThemes;
}
}
}
var dtoOptions = GetDtoOptions(request);
var dtos = themeVideoIds.Select(_libraryManager.GetItemById)
.OrderBy(i => i.SortName)
.Select(i => _dtoService.GetBaseItemDto(i, dtoOptions, user, item));
var items = dtos.ToArray();
return new ThemeMediaResult
{
Items = items,
TotalRecordCount = items.Length,
OwnerId = _dtoService.GetDtoId(item)
};
}
private List<Guid> GetThemeVideoIds(BaseItem item)
{
var i = item as IHasThemeMedia;
if (i != null)
{
return i.ThemeVideoIds;
}
return new List<Guid>();
}
private List<Guid> GetThemeSongIds(BaseItem item)
{
var i = item as IHasThemeMedia;
if (i != null)
{
return i.ThemeSongIds;
}
return new List<Guid>();
}
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
public object Get(GetYearIndex request)
{
var includeTypes = string.IsNullOrWhiteSpace(request.IncludeItemTypes)
? new string[] { }
: request.IncludeItemTypes.Split(',');
Func<BaseItem, bool> filter = i =>
{
if (includeTypes.Length > 0)
{
if (!includeTypes.Contains(i.GetType().Name, StringComparer.OrdinalIgnoreCase))
{
return false;
}
}
return true;
};
IEnumerable<BaseItem> items = GetAllLibraryItems(request.UserId, _userManager, _libraryManager, null, filter);
var lookup = items
.ToLookup(i => i.ProductionYear ?? -1)
.OrderBy(i => i.Key)
.Select(i => new ItemIndex
{
ItemCount = i.Count(),
Name = i.Key == -1 ? string.Empty : i.Key.ToString(_usCulture)
})
.ToList();
return ToOptimizedSerializedResultUsingCache(lookup);
}
public ThemeMediaResult GetSoundtrackSongs(GetThemeMedia request, string id, Guid? userId, bool inheritFromParent)
{
var user = userId.HasValue ? _userManager.GetUserById(userId.Value) : null;
var item = string.IsNullOrEmpty(id)
? (userId.HasValue
? user.RootFolder
: _libraryManager.RootFolder)
: _libraryManager.GetItemById(id);
var dtoOptions = GetDtoOptions(request);
var dtos = GetSoundtrackSongIds(item, inheritFromParent)
.Select(_libraryManager.GetItemById)
.OfType<MusicAlbum>()
.SelectMany(i => i.GetRecursiveChildren(a => a is Audio))
.OrderBy(i => i.SortName)
.Select(i => _dtoService.GetBaseItemDto(i, dtoOptions, user, item));
var items = dtos.ToArray();
return new ThemeMediaResult
{
Items = items,
TotalRecordCount = items.Length,
OwnerId = _dtoService.GetDtoId(item)
};
}
private IEnumerable<Guid> GetSoundtrackSongIds(BaseItem item, bool inherit)
{
var hasSoundtracks = item as IHasSoundtracks;
if (hasSoundtracks != null)
{
return hasSoundtracks.SoundtrackIds;
}
if (!inherit)
{
return new List<Guid>();
}
hasSoundtracks = item.Parents.OfType<IHasSoundtracks>().FirstOrDefault();
return hasSoundtracks != null ? hasSoundtracks.SoundtrackIds : new List<Guid>();
}
}
}