Set initial display media type at resolve time

MediaBrowser.Controller/Entities/Audio/Audio.cs

@@ -101,17 +101,5 @@ namespace MediaBrowser.Controller.Entities.Audio
         {
             return string.Equals(Artist, name, StringComparison.OrdinalIgnoreCase) || string.Equals(AlbumArtist, name, StringComparison.OrdinalIgnoreCase);
         }
-
-        public override string DisplayMediaType
-        {
-            get
-            {
-                return "Song";
-            }
-            set
-            {
-                base.DisplayMediaType = value;
-            }
-        }
     }
 }

MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs

@@ -164,22 +164,6 @@ namespace MediaBrowser.Controller.Entities.Audio
             }
         }
 
-        /// <summary>
-        /// Gets or sets the display type of the media.
-        /// </summary>
-        /// <value>The display type of the media.</value>
-        public override string DisplayMediaType
-        {
-            get
-            {
-                return "Album";
-            }
-            set
-            {
-                base.DisplayMediaType = value;
-            }
-        }
-
         /// <summary>
         /// Gets or sets the music brainz release group id.
         /// </summary>

MediaBrowser.Controller/Entities/Audio/MusicAlbumDisc.cs

@@ -6,20 +6,6 @@ namespace MediaBrowser.Controller.Entities.Audio
     /// </summary>
     public class MusicAlbumDisc : Folder
     {
-        /// <summary>
+
-        /// Gets or sets the display type of the media.
-        /// </summary>
-        /// <value>The display type of the media.</value>
-        public override string DisplayMediaType
-        {
-            get
-            {
-                return "Disc";
-            }
-            set
-            {
-                base.DisplayMediaType = value;
-            }
-        }
     }
 }

MediaBrowser.Controller/Entities/BaseItem.cs

@@ -48,7 +48,7 @@ namespace MediaBrowser.Controller.Entities
         /// The supported image extensions
         /// </summary>
         public static readonly string[] SupportedImageExtensions = new[] { ".png", ".jpg", ".jpeg" };
-        
+
         /// <summary>
         /// The trailer folder name
         /// </summary>
@@ -82,7 +82,7 @@ namespace MediaBrowser.Controller.Entities
         /// Gets or sets the id.
         /// </summary>
         /// <value>The id.</value>
-        public virtual Guid Id { get; set; }
+        public Guid Id { get; set; }
 
         /// <summary>
         /// Gets or sets the path.
@@ -171,7 +171,7 @@ namespace MediaBrowser.Controller.Entities
         /// </summary>
         /// <value>The locked images.</value>
         public List<ImageType> LockedImages { get; set; }
-        
+
         /// <summary>
         /// Determines whether the item has a saved local image of the specified name (jpg or png).
         /// </summary>
@@ -764,7 +764,7 @@ namespace MediaBrowser.Controller.Entities
                 return false;
             }));
 
-            var trailers= LibraryManager.ResolvePaths<Trailer>(files, null).Select(video =>
+            var trailers = LibraryManager.ResolvePaths<Trailer>(files, null).Select(video =>
             {
                 // Try to retrieve it from the db. If we don't find it, use the resolved version
                 var dbItem = LibraryManager.RetrieveItem(video.Id) as Trailer;
@@ -964,7 +964,7 @@ namespace MediaBrowser.Controller.Entities
 
             return itemsChanged || results.Contains(true);
         }
-        
+
         private async Task<bool> RefreshThemeVideos(CancellationToken cancellationToken, bool forceSave = false, bool forceRefresh = false, bool allowSlowProviders = true)
         {
             var newThemeVideos = LoadThemeVideos().ToList();
@@ -980,7 +980,7 @@ namespace MediaBrowser.Controller.Entities
 
             return themeVideosChanged || results.Contains(true);
         }
-        
+
         /// <summary>
         /// Refreshes the theme songs.
         /// </summary>

MediaBrowser.Controller/Entities/BasePluginFolder.cs

@@ -1,6 +1,4 @@
-using MediaBrowser.Common.Extensions;
+using MediaBrowser.Model.Entities;
-using System;
-using MediaBrowser.Model.Entities;
 
 namespace MediaBrowser.Controller.Entities
 {
@@ -10,27 +8,6 @@ namespace MediaBrowser.Controller.Entities
     /// </summary>
     public abstract class BasePluginFolder : Folder, ICollectionFolder, IByReferenceItem
     {
-        /// <summary>
-        /// Gets or sets the id.
-        /// </summary>
-        /// <value>The id.</value>
-        public override Guid Id
-        {
-            get
-            {
-                // This doesn't get populated through the normal resolving process
-                if (base.Id == Guid.Empty)
-                {
-                    base.Id = (Path ?? Name).GetMBId(GetType());
-                }
-                return base.Id;
-            }
-            set
-            {
-                base.Id = value;
-            }
-        }        
-        
         /// <summary>
         /// Gets or sets the type of the location.
         /// </summary>
@@ -42,22 +19,5 @@ namespace MediaBrowser.Controller.Entities
                 return LocationType.Virtual;
             }
         }
-
-
-        /// <summary>
-        /// We don't resolve normally so need to fill this in
-        /// </summary>
-        public override string DisplayMediaType
-        {
-            get
-            {
-                return "CollectionFolder"; // Plug-in folders are collection folders
-            }
-            set
-            {
-                base.DisplayMediaType = value;
-            }
-        }
-
     }
 }

MediaBrowser.Controller/Entities/User.cs

@@ -74,22 +74,6 @@ namespace MediaBrowser.Controller.Entities
             }
         }
 
-        /// <summary>
-        /// Ensure this has a value
-        /// </summary>
-        /// <value>The display type of the media.</value>
-        public override string DisplayMediaType
-        {
-            get
-            {
-                return base.DisplayMediaType ?? GetType().Name;
-            }
-            set
-            {
-                base.DisplayMediaType = value;
-            }
-        }
-
         /// <summary>
         /// The _root folder
         /// </summary>

MediaBrowser.Server.Implementations/Library/LibraryManager.cs

@@ -569,7 +569,19 @@ namespace MediaBrowser.Server.Implementations.Library
             // Add in the plug-in folders
             foreach (var child in PluginFolderCreators)
             {
-                rootFolder.AddVirtualChild(child.GetFolder());
+                var folder = child.GetFolder();
+
+                if (string.IsNullOrEmpty(folder.DisplayMediaType))
+                {
+                    folder.DisplayMediaType = "CollectionFolder";
+                }
+
+                if (folder.Id == Guid.Empty)
+                {
+                    folder.Id = (folder.Path ?? folder.Name ?? folder.GetType().Name).GetMBId(folder.GetType());
+                }
+
+                rootFolder.AddVirtualChild(folder);
             }
 
             return rootFolder;

MediaBrowser.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs

@@ -30,7 +30,10 @@ namespace MediaBrowser.Server.Implementations.Library.Resolvers.Audio
             {
                 if (EntityResolutionHelper.IsAudioFile(args.Path))
                 {
-                    return new Controller.Entities.Audio.Audio();
+                    return new Controller.Entities.Audio.Audio
+                    {
+                        DisplayMediaType = "Song"
+                    };
                 }
             }
 

MediaBrowser.Server.Implementations/Library/Resolvers/Audio/MusicAlbumDiscResolver.cs

@@ -27,7 +27,11 @@ namespace MediaBrowser.Server.Implementations.Library.Resolvers.Audio
         {
             if (!args.IsDirectory) return null;
 
-            return args.Parent is MusicAlbum ? new MusicAlbumDisc() : null;
+            return args.Parent is MusicAlbum ? new MusicAlbumDisc
+            {
+                DisplayMediaType = "Disc"
+
+            } : null;
         }
     }
 }

MediaBrowser.Server.Implementations/Library/Resolvers/Audio/MusicAlbumResolver.cs

@@ -35,7 +35,11 @@ namespace MediaBrowser.Server.Implementations.Library.Resolvers.Audio
             if (args.Parent.IsRoot) return null;
             if (args.Parent is MusicAlbum) return null;
 
-            return IsMusicAlbum(args) ? new MusicAlbum() : null;
+            return IsMusicAlbum(args) ? new MusicAlbum
+            {
+                DisplayMediaType = "Album"
+
+            } : null;
         }