fixes #506 - Song list - make columns headers clickable for sorting

MediaBrowser.Api/UserLibrary/ItemsService.cs

@@ -126,6 +126,9 @@ 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; }
 
+        [ApiMember(Name = "AlbumArtistStartsWithOrGreater", Description = "Optional filter by items whose album artist is sorted equally or greater than a given input string.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
+        public string AlbumArtistStartsWithOrGreater { get; set; }
+        
         /// <summary>
         /// Gets or sets the air days.
         /// </summary>
@@ -576,6 +579,13 @@ namespace MediaBrowser.Api.UserLibrary
                 items = items.Where(i => string.Compare(request.NameStartsWithOrGreater, i.SortName, StringComparison.CurrentCultureIgnoreCase) < 1);
             }
 
+            if (!string.IsNullOrEmpty(request.AlbumArtistStartsWithOrGreater))
+            {
+                items = items.OfType<IHasAlbumArtist>()
+                    .Where(i => string.Compare(request.AlbumArtistStartsWithOrGreater, i.AlbumArtist, StringComparison.CurrentCultureIgnoreCase) < 1)
+                    .Cast<BaseItem>();
+            }
+
             // Filter by Series Status
             if (!string.IsNullOrEmpty(request.SeriesStatus))
             {

MediaBrowser.Controller/Entities/Audio/Audio.cs

@@ -9,7 +9,7 @@ namespace MediaBrowser.Controller.Entities.Audio
     /// <summary>
     /// Class Audio
     /// </summary>
-    public class Audio : BaseItem, IHasMediaStreams
+    public class Audio : BaseItem, IHasMediaStreams, IHasAlbumArtist
     {
         public Audio()
         {

MediaBrowser.Controller/Entities/Audio/IHasAlbumArtist.cs

@@ -0,0 +1,8 @@
+
+namespace MediaBrowser.Controller.Entities.Audio
+{
+    public interface IHasAlbumArtist
+    {
+        string AlbumArtist { get; }
+    }
+}

MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs

@@ -6,7 +6,7 @@ namespace MediaBrowser.Controller.Entities.Audio
     /// <summary>
     /// Class MusicAlbum
     /// </summary>
-    public class MusicAlbum : Folder
+    public class MusicAlbum : Folder, IHasAlbumArtist
     {
         public string LastFmImageUrl { get; set; }
         
@@ -62,6 +62,17 @@ namespace MediaBrowser.Controller.Entities.Audio
         {
             return RecursiveChildren.OfType<Audio>().Any(i => i.HasArtist(artist));
         }
+
+        public string AlbumArtist
+        {
+            get
+            {
+                return RecursiveChildren
+                  .OfType<Audio>()
+                  .Select(i => i.AlbumArtist)
+                  .FirstOrDefault(i => !string.IsNullOrEmpty(i));
+            }
+        }
     }
 
     public class MusicAlbumDisc : Folder

MediaBrowser.Controller/MediaBrowser.Controller.csproj

@@ -73,6 +73,7 @@
     </Compile>
     <Compile Include="Dto\IDtoService.cs" />
     <Compile Include="Entities\AdultVideo.cs" />
+    <Compile Include="Entities\Audio\IHasAlbumArtist.cs" />
     <Compile Include="Entities\Book.cs" />
     <Compile Include="Configuration\IServerConfigurationManager.cs" />
     <Compile Include="Entities\Audio\MusicGenre.cs" />

MediaBrowser.Model/Querying/ItemSortBy.cs

@@ -46,6 +46,7 @@ namespace MediaBrowser.Model.Querying
         /// The sort name
         /// </summary>
         public const string SortName = "SortName";
+        public const string Name = "Name";
         /// <summary>
         /// The random
         /// </summary>

MediaBrowser.Server.Implementations/Dto/DtoService.cs

@@ -892,7 +892,6 @@ namespace MediaBrowser.Server.Implementations.Dto
             if (audio != null)
             {
                 dto.Album = audio.Album;
-                dto.AlbumArtist = audio.AlbumArtist;
                 dto.Artists = audio.Artists.ToArray();
 
                 var albumParent = audio.FindParent<MusicAlbum>();
@@ -916,14 +915,19 @@ namespace MediaBrowser.Server.Implementations.Dto
             {
                 var songs = album.RecursiveChildren.OfType<Audio>().ToList();
 
-                dto.AlbumArtist = songs.Select(i => i.AlbumArtist).FirstOrDefault(i => !string.IsNullOrEmpty(i));
-
                 dto.Artists =
                     songs.SelectMany(i => i.Artists)
                          .Distinct(StringComparer.OrdinalIgnoreCase)
                          .ToArray();
             }
 
+            var hasAlbumArtist = item as IHasAlbumArtist;
+
+            if (hasAlbumArtist != null)
+            {
+                dto.AlbumArtist = hasAlbumArtist.AlbumArtist;
+            }
+
             // Add video info
             var video = item as Video;
             if (video != null)

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

@@ -178,6 +178,7 @@
     <Compile Include="Sorting\DatePlayedComparer.cs" />
     <Compile Include="Sorting\IsFolderComparer.cs" />
     <Compile Include="Sorting\IsUnplayedComparer.cs" />
+    <Compile Include="Sorting\NameComparer.cs" />
     <Compile Include="Sorting\OfficialRatingComparer.cs" />
     <Compile Include="Sorting\PlayCountComparer.cs" />
     <Compile Include="Sorting\PremiereDateComparer.cs" />

MediaBrowser.Server.Implementations/Sorting/AlbumArtistComparer.cs

@@ -1,5 +1,4 @@
-using System.Linq;
+using MediaBrowser.Controller.Entities;
-using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
 using MediaBrowser.Controller.Sorting;
 using MediaBrowser.Model.Querying;
@@ -30,28 +29,9 @@ namespace MediaBrowser.Server.Implementations.Sorting
         /// <returns>System.String.</returns>
         private string GetValue(BaseItem x)
         {
-            var audio = x as Audio;
+            var audio = x as IHasAlbumArtist;
 
-            if (audio != null)
+            return audio != null ? audio.AlbumArtist : null;
-            {
-                return audio.AlbumArtist;
-            }
-
-            var album = x as MusicAlbum;
-
-            if (album != null)
-            {
-                var song = album.RecursiveChildren
-                    .OfType<Audio>()
-                    .FirstOrDefault(i => !string.IsNullOrEmpty(i.AlbumArtist));
-
-                if (song != null)
-                {
-                    return song.AlbumArtist;
-                }
-            }
-            
-            return null;
         }
 
         /// <summary>

MediaBrowser.Server.Implementations/Sorting/NameComparer.cs

@@ -0,0 +1,33 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Sorting;
+using MediaBrowser.Model.Querying;
+using System;
+
+namespace MediaBrowser.Server.Implementations.Sorting
+{
+    /// <summary>
+    /// Class NameComparer
+    /// </summary>
+    public class NameComparer : IBaseItemComparer
+    {
+        /// <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 string.Compare(x.Name, y.Name, StringComparison.CurrentCultureIgnoreCase);
+        }
+
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get { return ItemSortBy.Name; }
+        }
+    }
+}