From b79840e20f068f087d845e4abf1e817d211a1783 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Thu, 2 May 2013 21:35:50 -0400
Subject: [PATCH] cache MusicBrainzReleaseGroupId

---
 .../Entities/Audio/MusicAlbum.cs                   | 14 ++++++++++++++
 .../Providers/Music/FanArtAlbumProvider.cs         | 12 +++++++++---
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs b/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
index 95b047e7d..ebefd0d02 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
@@ -150,6 +150,10 @@ namespace MediaBrowser.Controller.Entities.Audio
             return RecursiveChildren.OfType<Audio>().Any(i => i.HasArtist(artist));
         }
 
+        /// <summary>
+        /// Gets or sets the name.
+        /// </summary>
+        /// <value>The name.</value>
         public override string Name
         {
             get
@@ -164,6 +168,10 @@ 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
@@ -175,5 +183,11 @@ namespace MediaBrowser.Controller.Entities.Audio
                 base.DisplayMediaType = value;
             }
         }
+
+        /// <summary>
+        /// Gets or sets the music brainz release group id.
+        /// </summary>
+        /// <value>The music brainz release group id.</value>
+        public string MusicBrainzReleaseGroupId { get; set; }
     }
 }
diff --git a/MediaBrowser.Controller/Providers/Music/FanArtAlbumProvider.cs b/MediaBrowser.Controller/Providers/Music/FanArtAlbumProvider.cs
index 15188bc69..8c92ea025 100644
--- a/MediaBrowser.Controller/Providers/Music/FanArtAlbumProvider.cs
+++ b/MediaBrowser.Controller/Providers/Music/FanArtAlbumProvider.cs
@@ -116,16 +116,22 @@ namespace MediaBrowser.Controller.Providers.Music
         {
             cancellationToken.ThrowIfCancellationRequested();
 
-            var releaseGroupId = await GetReleaseGroupId(item.GetProviderId(MetadataProviders.Musicbrainz), cancellationToken).ConfigureAwait(false);
+            var album = (MusicAlbum)item;
 
-            if (string.IsNullOrEmpty(releaseGroupId))
+            if (string.IsNullOrEmpty(album.MusicBrainzReleaseGroupId))
+            {
+                album.MusicBrainzReleaseGroupId = await GetReleaseGroupId(item.GetProviderId(MetadataProviders.Musicbrainz), cancellationToken).ConfigureAwait(false);
+            }
+
+            // If still empty there's nothing more we can do
+            if (string.IsNullOrEmpty(album.MusicBrainzReleaseGroupId))
             {
                 SetLastRefreshed(item, DateTime.UtcNow);
 
                 return true;
             }
 
-            var url = string.Format("http://api.fanart.tv/webservice/album/{0}/{1}/xml/all/1/1", APIKey, releaseGroupId);
+            var url = string.Format("http://api.fanart.tv/webservice/album/{0}/{1}/xml/all/1/1", APIKey, album.MusicBrainzReleaseGroupId);
 
             var doc = new XmlDocument();