fixes #791 - Support server-side playlists

3 files changed, 98 insertions, 15 deletions

diff --git a/MediaBrowser.LocalMetadata/Savers/FolderXmlSaver.cs b/MediaBrowser.LocalMetadata/Savers/FolderXmlSaver.cs
index 6dd65b69c5..c38a33c406 100644
--- a/MediaBrowser.LocalMetadata/Savers/FolderXmlSaver.cs
+++ b/MediaBrowser.LocalMetadata/Savers/FolderXmlSaver.cs
@@ -1,12 +1,13 @@
-using System.Collections.Generic;
-using System.IO;
-using System.Text;
-using System.Threading;
-using MediaBrowser.Controller.Entities;
+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.Playlists;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using System.Threading;
 
 namespace MediaBrowser.LocalMetadata.Savers
 {
@@ -37,7 +38,8 @@ namespace MediaBrowser.LocalMetadata.Savers
             {
                 if (!(item is Series) && !(item is BoxSet) && !(item is MusicArtist) && !(item is MusicAlbum) &&
                     !(item is Season) &&
-                    !(item is GameSystem))
+                    !(item is GameSystem) &&
+                    !(item is Playlist))
                 {
                     return updateType >= ItemUpdateType.MetadataDownload;
                 }
diff --git a/MediaBrowser.LocalMetadata/Savers/PlaylistXmlSaver.cs b/MediaBrowser.LocalMetadata/Savers/PlaylistXmlSaver.cs
new file mode 100644
index 0000000000..cdb3a2500f
--- /dev/null
+++ b/MediaBrowser.LocalMetadata/Savers/PlaylistXmlSaver.cs
@@ -0,0 +1,68 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Movies;
+using MediaBrowser.Controller.Library;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using System.Threading;
+
+namespace MediaBrowser.LocalMetadata.Savers
+{
+    public class PlaylistXmlSaver : IMetadataFileSaver
+    {
+        public string Name
+        {
+            get
+            {
+                return "Media Browser Xml";
+            }
+        }
+
+        /// <summary>
+        /// Determines whether [is enabled for] [the specified item].
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="updateType">Type of the update.</param>
+        /// <returns><c>true</c> if [is enabled for] [the specified item]; otherwise, <c>false</c>.</returns>
+        public bool IsEnabledFor(IHasMetadata item, ItemUpdateType updateType)
+        {
+            if (!item.SupportsLocalMetadata)
+            {
+                return false;
+            }
+
+            return item is BoxSet && updateType >= ItemUpdateType.MetadataDownload;
+        }
+
+        /// <summary>
+        /// Saves the specified item.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        public void Save(IHasMetadata item, CancellationToken cancellationToken)
+        {
+            var builder = new StringBuilder();
+
+            builder.Append("<Item>");
+
+            XmlSaverHelpers.AddCommonNodes((BoxSet)item, builder);
+
+            builder.Append("</Item>");
+
+            var xmlFilePath = GetSavePath(item);
+
+            XmlSaverHelpers.Save(builder, xmlFilePath, new List<string> { });
+        }
+
+        /// <summary>
+        /// Gets the save path.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns>System.String.</returns>
+        public string GetSavePath(IHasMetadata item)
+        {
+            return Path.Combine(item.Path, "playlist.xml");
+        }
+    }
+}
diff --git a/MediaBrowser.LocalMetadata/Savers/XmlSaverHelpers.cs b/MediaBrowser.LocalMetadata/Savers/XmlSaverHelpers.cs
index 1a2c341da1..491592989c 100644
--- a/MediaBrowser.LocalMetadata/Savers/XmlSaverHelpers.cs
+++ b/MediaBrowser.LocalMetadata/Savers/XmlSaverHelpers.cs
@@ -10,6 +10,7 @@ using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.Entities.TV;
 using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Controller.Playlists;
 using MediaBrowser.Model.Entities;
 
 namespace MediaBrowser.LocalMetadata.Savers
@@ -109,7 +110,8 @@ namespace MediaBrowser.LocalMetadata.Savers
                     "VoteCount",
                     "Website",
                     "Zap2ItId",
-                    "CollectionItems"
+                    "CollectionItems",
+                    "PlaylistItems"
 
         }.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
 
@@ -631,10 +633,16 @@ namespace MediaBrowser.LocalMetadata.Savers
                 builder.Append("</Persons>");
             }
 
-            var folder = item as BoxSet;
-            if (folder != null)
+            var boxset = item as BoxSet;
+            if (boxset != null)
             {
-                AddCollectionItems(folder, builder);
+                AddLinkedChildren(boxset, builder, "CollectionItems", "CollectionItem");
+            }
+
+            var playlist = item as Playlist;
+            if (playlist != null)
+            {
+                AddLinkedChildren(playlist, builder, "PlaylistItems", "PlaylistItem");
             }
         }
 
@@ -693,7 +701,7 @@ namespace MediaBrowser.LocalMetadata.Savers
             }
         }
 
-        public static void AddCollectionItems(Folder item, StringBuilder builder)
+        public static void AddLinkedChildren(Folder item, StringBuilder builder, string pluralNodeName, string singularNodeName)
         {
             var items = item.LinkedChildren
                 .Where(i => i.Type == LinkedChildType.Manual && !string.IsNullOrWhiteSpace(i.ItemName))
@@ -704,10 +712,10 @@ namespace MediaBrowser.LocalMetadata.Savers
                 return;
             }
 
-            builder.Append("<CollectionItems>");
+            builder.Append("<" + pluralNodeName + ">");
             foreach (var link in items)
             {
-                builder.Append("<CollectionItem>");
+                builder.Append("<" + singularNodeName + ">");
 
                 builder.Append("<Name>" + SecurityElement.Escape(link.ItemName) + "</Name>");
                 builder.Append("<Type>" + SecurityElement.Escape(link.ItemType) + "</Type>");
@@ -717,9 +725,14 @@ namespace MediaBrowser.LocalMetadata.Savers
                     builder.Append("<Year>" + SecurityElement.Escape(link.ItemYear.Value.ToString(UsCulture)) + "</Year>");
                 }
 
-                builder.Append("</CollectionItem>");
+                if (link.ItemIndexNumber.HasValue)
+                {
+                    builder.Append("<IndexNumber>" + SecurityElement.Escape(link.ItemIndexNumber.Value.ToString(UsCulture)) + "</IndexNumber>");
+                }
+
+                builder.Append("</" + singularNodeName + ">");
             }
-            builder.Append("</CollectionItems>");
+            builder.Append("</" + pluralNodeName + ">");
         }
     }
 }