fixes #530 - Add ability to sort movie genres/studios/people by movie or trailer count

MediaBrowser.Api/UserLibrary/ArtistsService.cs

@@ -110,7 +110,7 @@ namespace MediaBrowser.Api.UserLibrary
         /// <param name="request">The request.</param>
         /// <param name="items">The items.</param>
         /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
-        protected override IEnumerable<IbnStub<Artist>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
+        protected override IEnumerable<Task<Artist>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
         {
             var itemsList = items.OfType<Audio>().ToList();
 
@@ -128,7 +128,7 @@ namespace MediaBrowser.Api.UserLibrary
                     return list;
                 })
                 .Distinct(StringComparer.OrdinalIgnoreCase)
-                .Select(name => new IbnStub<Artist>(name, GetEntity));
+                .Select(name => LibraryManager.GetArtist(name));
         }
 
         /// <summary>

MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs

@@ -3,12 +3,10 @@ using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Model.Dto;
-using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Querying;
 using ServiceStack.ServiceHost;
 using System;
 using System.Collections.Generic;
-using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 
@@ -92,14 +90,16 @@ namespace MediaBrowser.Api.UserLibrary
 
             items = FilterItems(request, items);
 
-            var extractedItems = GetAllItems(request, items);
+            var ibnItemTasks = GetAllItems(request, items);
+            var extractedItems = await Task.WhenAll(ibnItemTasks).ConfigureAwait(false);
 
-            extractedItems = FilterItems(request, extractedItems, user);
-            extractedItems = SortItems(request, extractedItems);
+            var filteredItems = FilterItems(request, extractedItems, user);
 
-            var ibnItemsArray = extractedItems.ToArray();
+            filteredItems = ItemsService.ApplySortOrder(request, filteredItems, user, LibraryManager).Cast<TItemType>();
 
-            IEnumerable<IbnStub<TItemType>> ibnItems = ibnItemsArray;
+            var ibnItemsArray = filteredItems.ToArray();
+
+            IEnumerable<TItemType> ibnItems = ibnItemsArray;
 
             var result = new ItemsResult
             {
@@ -137,8 +137,8 @@ namespace MediaBrowser.Api.UserLibrary
         /// <param name="request">The request.</param>
         /// <param name="items">The items.</param>
         /// <param name="user">The user.</param>
-        /// <returns>IEnumerable{IbnStub}.</returns>
-        private IEnumerable<IbnStub<TItemType>> FilterItems(GetItemsByName request, IEnumerable<IbnStub<TItemType>> items, User user)
+        /// <returns>IEnumerable{`0}.</returns>
+        private IEnumerable<TItemType> FilterItems(GetItemsByName request, IEnumerable<TItemType> items, User user)
         {
             if (!string.IsNullOrEmpty(request.NameStartsWithOrGreater))
             {
@@ -148,7 +148,7 @@ namespace MediaBrowser.Api.UserLibrary
             var imageTypes = request.GetImageTypes().ToArray();
             if (imageTypes.Length > 0)
             {
-                items = items.Where(item => imageTypes.Any(imageType => ItemsService.HasImage(item.GetItem().Result, imageType)));
+                items = items.Where(item => imageTypes.Any(imageType => ItemsService.HasImage(item, imageType)));
             }
 
             var filters = request.GetFilters().ToList();
@@ -164,8 +164,7 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 items = items.Where(i =>
                     {
-                        var item = i.GetItem().Result;
-                        var userdata = UserDataRepository.GetUserData(user.Id, item.GetUserDataKey());
+                        var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());
 
                         return userdata != null && userdata.Likes.HasValue && !userdata.Likes.Value;
                     });
@@ -175,8 +174,7 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 items = items.Where(i =>
                 {
-                    var item = i.GetItem().Result;
-                    var userdata = UserDataRepository.GetUserData(user.Id, item.GetUserDataKey());
+                    var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());
 
                     return userdata != null && userdata.Likes.HasValue && userdata.Likes.Value;
                 });
@@ -186,8 +184,7 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 items = items.Where(i =>
                 {
-                    var item = i.GetItem().Result;
-                    var userdata = UserDataRepository.GetUserData(user.Id, item.GetUserDataKey());
+                    var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());
 
                     var likes = userdata.Likes ?? false;
                     var favorite = userdata.IsFavorite;
@@ -200,8 +197,7 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 items = items.Where(i =>
                 {
-                    var item = i.GetItem().Result;
-                    var userdata = UserDataRepository.GetUserData(user.Id, item.GetUserDataKey());
+                    var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());
 
                     return userdata != null && userdata.Likes.HasValue && userdata.IsFavorite;
                 });
@@ -210,40 +206,6 @@ namespace MediaBrowser.Api.UserLibrary
             return items.AsEnumerable();
         }
 
-        /// <summary>
-        /// Sorts the items.
-        /// </summary>
-        /// <param name="request">The request.</param>
-        /// <param name="items">The items.</param>
-        /// <returns>IEnumerable{BaseItem}.</returns>
-        private IEnumerable<IbnStub<TItemType>> SortItems(GetItemsByName request, IEnumerable<IbnStub<TItemType>> items)
-        {
-            if (string.Equals(request.SortBy, "SortName", StringComparison.OrdinalIgnoreCase))
-            {
-                if (request.SortOrder.HasValue && request.SortOrder.Value == SortOrder.Descending)
-                {
-                    items = items.OrderByDescending(i => i.Name);
-                }
-                else
-                {
-                    items = items.OrderBy(i => i.Name);
-                }
-            }
-            else if (string.Equals(request.SortBy, "Random", StringComparison.OrdinalIgnoreCase))
-            {
-                if (request.SortOrder.HasValue && request.SortOrder.Value == SortOrder.Descending)
-                {
-                    items = items.OrderByDescending(i => Guid.NewGuid());
-                }
-                else
-                {
-                    items = items.OrderBy(i => Guid.NewGuid());
-                }
-            }
-
-            return items;
-        }
-
         /// <summary>
         /// Filters the items.
         /// </summary>
@@ -282,30 +244,18 @@ namespace MediaBrowser.Api.UserLibrary
         /// </summary>
         /// <param name="request">The request.</param>
         /// <param name="items">The items.</param>
-        /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
-        protected abstract IEnumerable<IbnStub<TItemType>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items);
+        /// <returns>IEnumerable{Task{`0}}.</returns>
+        protected abstract IEnumerable<Task<TItemType>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items);
 
         /// <summary>
         /// Gets the dto.
         /// </summary>
-        /// <param name="stub">The stub.</param>
+        /// <param name="item">The item.</param>
         /// <param name="user">The user.</param>
         /// <param name="fields">The fields.</param>
         /// <returns>Task{DtoBaseItem}.</returns>
-        private async Task<BaseItemDto> GetDto(IbnStub<TItemType> stub, User user, List<ItemFields> fields)
+        private async Task<BaseItemDto> GetDto(TItemType item, User user, List<ItemFields> fields)
         {
-            TItemType item;
-
-            try
-            {
-                item = await stub.GetItem().ConfigureAwait(false);
-            }
-            catch (IOException ex)
-            {
-                Logger.ErrorException("Error getting IBN item {0}", ex, stub.Name);
-                return null;
-            }
-
             var dto = user == null ? await DtoService.GetBaseItemDto(item, fields).ConfigureAwait(false) :
                 await DtoService.GetBaseItemDto(item, fields, user).ConfigureAwait(false);
 
@@ -345,36 +295,9 @@ namespace MediaBrowser.Api.UserLibrary
         [ApiMember(Name = "NameStartsWithOrGreater", Description = "Optional filter by items whose name is sorted equally or greater than a given input string.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
         public string NameStartsWithOrGreater { get; set; }
 
-        /// <summary>
-        /// What to sort the results by
-        /// </summary>
-        /// <value>The sort by.</value>
-        [ApiMember(Name = "SortBy", Description = "Optional. Options: SortName", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
-        public string SortBy { get; set; }
-
         public GetItemsByName()
         {
             Recursive = true;
         }
     }
-
-    public class IbnStub<T>
-        where T : BaseItem
-    {
-        private readonly Func<string, Task<T>> _itemFunction;
-        private Task<T> _itemTask;
-
-        public string Name;
-
-        public Task<T> GetItem()
-        {
-            return _itemTask ?? (_itemTask = _itemFunction(Name));
-        }
-
-        public IbnStub(string name, Func<string, Task<T>> item)
-        {
-            Name = name;
-            _itemFunction = item;
-        }
-    }
 }

MediaBrowser.Api/UserLibrary/BaseItemsRequest.cs

@@ -86,6 +86,13 @@ namespace MediaBrowser.Api.UserLibrary
         [ApiMember(Name = "ImageTypes", Description = "Optional. If specified, results will be filtered based on those containing image types. This allows multiple, comma delimited.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
         public string ImageTypes { get; set; }
 
+        /// <summary>
+        /// What to sort the results by
+        /// </summary>
+        /// <value>The sort by.</value>
+        [ApiMember(Name = "SortBy", Description = "Optional. Specify one or more sort orders, comma delimeted. Options: Album, AlbumArtist, Artist, Budget, CommunityRating, CriticRating, DateCreated, DatePlayed, PlayCount, PremiereDate, ProductionYear, SortName, Random, Revenue, Runtime", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
+        public string SortBy { get; set; }
+
         /// <summary>
         /// Gets the filters.
         /// </summary>
@@ -143,5 +150,21 @@ namespace MediaBrowser.Api.UserLibrary
 
             return val.Split(',').Select(v => (ImageType)Enum.Parse(typeof(ImageType), v, true));
         }
+
+        /// <summary>
+        /// Gets the order by.
+        /// </summary>
+        /// <returns>IEnumerable{ItemSortBy}.</returns>
+        public IEnumerable<string> GetOrderBy()
+        {
+            var val = SortBy;
+
+            if (string.IsNullOrEmpty(val))
+            {
+                return new string[] { };
+            }
+
+            return val.Split(',');
+        }
     }
 }

MediaBrowser.Api/UserLibrary/GameGenresService.cs

@@ -101,14 +101,14 @@ namespace MediaBrowser.Api.UserLibrary
         /// <param name="request">The request.</param>
         /// <param name="items">The items.</param>
         /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
-        protected override IEnumerable<IbnStub<GameGenre>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
+        protected override IEnumerable<Task<GameGenre>> 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<GameGenre>(name, GetEntity));
+                .Select(name => LibraryManager.GetGameGenre(name));
         }
 
         /// <summary>

MediaBrowser.Api/UserLibrary/GenresService.cs

@@ -105,14 +105,14 @@ namespace MediaBrowser.Api.UserLibrary
         /// <param name="request">The request.</param>
         /// <param name="items">The items.</param>
         /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
-        protected override IEnumerable<IbnStub<Genre>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
+        protected override IEnumerable<Task<Genre>> 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<Genre>(name, GetEntity));
+                .Select(name => LibraryManager.GetGenre(name));
         }
 
         /// <summary>

MediaBrowser.Api/UserLibrary/ItemsService.cs

@@ -37,13 +37,6 @@ namespace MediaBrowser.Api.UserLibrary
         [ApiMember(Name = "Person", Description = "Optional. If specified, results will be filtered to include only those containing the specified person.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
         public string Person { get; set; }
 
-        /// <summary>
-        /// What to sort the results by
-        /// </summary>
-        /// <value>The sort by.</value>
-        [ApiMember(Name = "SortBy", Description = "Optional. Specify one or more sort orders, comma delimeted. Options: Album, AlbumArtist, Artist, Budget, CommunityRating, CriticRating, DateCreated, DatePlayed, PlayCount, PremiereDate, ProductionYear, SortName, Random, Revenue, Runtime", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
-        public string SortBy { get; set; }
-
         /// <summary>
         /// If the Person filter is used, this can also be used to restrict to a specific person type
         /// </summary>
@@ -170,22 +163,6 @@ namespace MediaBrowser.Api.UserLibrary
 
         [ApiMember(Name = "MinIndexNumber", Description = "Optional filter index number.", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "GET")]
         public int? MinIndexNumber { get; set; }
-
-        /// <summary>
-        /// Gets the order by.
-        /// </summary>
-        /// <returns>IEnumerable{ItemSortBy}.</returns>
-        public IEnumerable<string> GetOrderBy()
-        {
-            var val = SortBy;
-
-            if (string.IsNullOrEmpty(val))
-            {
-                return new string[] { };
-            }
-
-            return val.Split(',');
-        }
     }
 
     /// <summary>
@@ -316,7 +293,7 @@ namespace MediaBrowser.Api.UserLibrary
         /// <param name="user">The user.</param>
         /// <param name="libraryManager">The library manager.</param>
         /// <returns>IEnumerable{BaseItem}.</returns>
-        internal static IEnumerable<BaseItem> ApplySortOrder(GetItems request, IEnumerable<BaseItem> items, User user, ILibraryManager libraryManager)
+        internal static IEnumerable<BaseItem> ApplySortOrder(BaseItemsRequest request, IEnumerable<BaseItem> items, User user, ILibraryManager libraryManager)
         {
             var orderBy = request.GetOrderBy().ToArray();
 

MediaBrowser.Api/UserLibrary/MusicGenresService.cs

@@ -101,14 +101,14 @@ namespace MediaBrowser.Api.UserLibrary
         /// <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)
+        protected override IEnumerable<Task<MusicGenre>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
         {
             var itemsList = items.ToList();
 
             return itemsList
                 .SelectMany(i => i.Genres)
                 .Distinct(StringComparer.OrdinalIgnoreCase)
-                .Select(name => new IbnStub<MusicGenre>(name, GetEntity));
+                .Select(name => LibraryManager.GetMusicGenre(name));
         }
 
         /// <summary>

MediaBrowser.Api/UserLibrary/PersonsService.cs

@@ -117,7 +117,7 @@ namespace MediaBrowser.Api.UserLibrary
         /// <param name="request">The request.</param>
         /// <param name="items">The items.</param>
         /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
-        protected override IEnumerable<IbnStub<Person>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
+        protected override IEnumerable<Task<Person>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
         {
             var inputPersonTypes = ((GetPersons)request).PersonTypes;
             var personTypes = string.IsNullOrEmpty(inputPersonTypes) ? new string[] { } : inputPersonTypes.Split(',');
@@ -131,7 +131,7 @@ namespace MediaBrowser.Api.UserLibrary
                 .Select(i => i.Name)
                 .Distinct(StringComparer.OrdinalIgnoreCase)
 
-                .Select(name => new IbnStub<Person>(name, GetEntity)
+                .Select(name => LibraryManager.GetPerson(name)
             );
         }
 

MediaBrowser.Api/UserLibrary/StudiosService.cs

@@ -105,14 +105,14 @@ namespace MediaBrowser.Api.UserLibrary
         /// <param name="request">The request.</param>
         /// <param name="items">The items.</param>
         /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
-        protected override IEnumerable<IbnStub<Studio>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
+        protected override IEnumerable<Task<Studio>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
         {
             var itemsList = items.Where(i => i.Studios != null).ToList();
 
             return itemsList
                 .SelectMany(i => i.Studios)
                 .Distinct(StringComparer.OrdinalIgnoreCase)
-                .Select(name => new IbnStub<Studio>(name, GetEntity));
+                .Select(name => LibraryManager.GetStudio(name));
         }
 
         /// <summary>

MediaBrowser.Api/UserLibrary/YearsService.cs

@@ -111,14 +111,14 @@ namespace MediaBrowser.Api.UserLibrary
         /// <param name="request">The request.</param>
         /// <param name="items">The items.</param>
         /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
-        protected override IEnumerable<IbnStub<Year>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
+        protected override IEnumerable<Task<Year>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
         {
             var itemsList = items.Where(i => i.ProductionYear != null).ToList();
 
             return itemsList
                 .Select(i => i.ProductionYear.Value)
                 .Distinct()
-                .Select(year => new IbnStub<Year>(year.ToString(UsCulture), GetEntity));
+                .Select(year => LibraryManager.GetYear(year));
         }
 
         /// <summary>

MediaBrowser.Model/Querying/ItemSortBy.cs

@@ -76,5 +76,7 @@ namespace MediaBrowser.Model.Querying
         public const string IsPlayed = "IsPlayed";
         public const string TrailerCount = "TrailerCount";
         public const string MovieCount = "MovieCount";
+        public const string SeriesCount = "SeriesCount";
+        public const string EpisodeCount = "EpisodeCount";
     }
 }

MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj

@@ -187,6 +187,7 @@
     <Compile Include="Sorting\CriticRatingComparer.cs" />
     <Compile Include="Sorting\DateCreatedComparer.cs" />
     <Compile Include="Sorting\DatePlayedComparer.cs" />
+    <Compile Include="Sorting\EpisodeCountComparer.cs" />
     <Compile Include="Sorting\IsFolderComparer.cs" />
     <Compile Include="Sorting\IsUnplayedComparer.cs" />
     <Compile Include="Sorting\MovieCountComparer.cs" />
@@ -198,6 +199,7 @@
     <Compile Include="Sorting\RandomComparer.cs" />
     <Compile Include="Sorting\RevenueComparer.cs" />
     <Compile Include="Sorting\RuntimeComparer.cs" />
+    <Compile Include="Sorting\SeriesCountComparer.cs" />
     <Compile Include="Sorting\SortNameComparer.cs" />
     <Compile Include="Persistence\SqliteDisplayPreferencesRepository.cs" />
     <Compile Include="Persistence\SqliteItemRepository.cs" />

MediaBrowser.Server.Implementations/Sorting/EpisodeCountComparer.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Controller.Sorting;
+using MediaBrowser.Model.Querying;
+
+namespace MediaBrowser.Server.Implementations.Sorting
+{
+    class EpisodeCountComparer : IUserBaseItemComparer
+    {
+        /// <summary>
+        /// Gets or sets the user.
+        /// </summary>
+        /// <value>The user.</value>
+        public User User { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user manager.
+        /// </summary>
+        /// <value>The user manager.</value>
+        public IUserManager UserManager { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user data repository.
+        /// </summary>
+        /// <value>The user data repository.</value>
+        public IUserDataRepository UserDataRepository { get; set; }
+
+        /// <summary>
+        /// Compares the specified x.
+        /// </summary>
+        /// <param name="x">The x.</param>
+        /// <param name="y">The y.</param>
+        /// <returns>System.Int32.</returns>
+        public int Compare(BaseItem x, BaseItem y)
+        {
+            return GetValue(x).CompareTo(GetValue(y));
+        }
+
+        /// <summary>
+        /// Gets the date.
+        /// </summary>
+        /// <param name="x">The x.</param>
+        /// <returns>DateTime.</returns>
+        private int GetValue(BaseItem x)
+        {
+            var itemByName = x as IItemByName;
+
+            if (itemByName != null)
+            {
+                var counts = itemByName.GetItemByNameCounts(User);
+
+                if (counts != null)
+                {
+                    return counts.EpisodeCount;
+                }
+            }
+
+            return 0;
+        }
+
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get { return ItemSortBy.EpisodeCount; }
+        }
+    }
+}

MediaBrowser.Server.Implementations/Sorting/SeriesCountComparer.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Controller.Sorting;
+using MediaBrowser.Model.Querying;
+
+namespace MediaBrowser.Server.Implementations.Sorting
+{
+    class SeriesCountComparer : IUserBaseItemComparer
+    {
+        /// <summary>
+        /// Gets or sets the user.
+        /// </summary>
+        /// <value>The user.</value>
+        public User User { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user manager.
+        /// </summary>
+        /// <value>The user manager.</value>
+        public IUserManager UserManager { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user data repository.
+        /// </summary>
+        /// <value>The user data repository.</value>
+        public IUserDataRepository UserDataRepository { get; set; }
+
+        /// <summary>
+        /// Compares the specified x.
+        /// </summary>
+        /// <param name="x">The x.</param>
+        /// <param name="y">The y.</param>
+        /// <returns>System.Int32.</returns>
+        public int Compare(BaseItem x, BaseItem y)
+        {
+            return GetValue(x).CompareTo(GetValue(y));
+        }
+
+        /// <summary>
+        /// Gets the date.
+        /// </summary>
+        /// <param name="x">The x.</param>
+        /// <returns>DateTime.</returns>
+        private int GetValue(BaseItem x)
+        {
+            var itemByName = x as IItemByName;
+
+            if (itemByName != null)
+            {
+                var counts = itemByName.GetItemByNameCounts(User);
+
+                if (counts != null)
+                {
+                    return counts.SeriesCount;
+                }
+            }
+
+            return 0;
+        }
+
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get { return ItemSortBy.SeriesCount; }
+        }
+    }
+}