fixes #522 - Use last fm as a secondary provider for album images

MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs

@@ -8,6 +8,8 @@ namespace MediaBrowser.Controller.Entities.Audio
     /// </summary>
     public class MusicAlbum : Folder
     {
+        public string LastFmImageUrl { get; set; }
+        
         /// <summary>
         /// Songs will group into us so don't also include us in the index
         /// </summary>

MediaBrowser.Providers/MediaBrowser.Providers.csproj

@@ -77,7 +77,7 @@
     <Compile Include="Music\FanArtUpdatesPrescanTask.cs" />
     <Compile Include="Music\LastfmAlbumProvider.cs" />
     <Compile Include="Music\LastfmArtistByNameProvider.cs" />
-    <Compile Include="Music\LastFmArtistImageProvider.cs" />
+    <Compile Include="Music\LastFmImageProvider.cs" />
     <Compile Include="Music\LastfmArtistProvider.cs" />
     <Compile Include="Music\LastfmBaseProvider.cs" />
     <Compile Include="Music\LastfmHelper.cs" />

MediaBrowser.Providers/Music/LastFmImageProvider.cs

@@ -13,7 +13,7 @@ namespace MediaBrowser.Providers.Music
     /// <summary>
     /// Class LastFmArtistImageProvider
     /// </summary>
-    public class LastFmArtistImageProvider : BaseMetadataProvider
+    public class LastFmImageProvider : BaseMetadataProvider
     {
         /// <summary>
         /// The _provider manager
@@ -21,12 +21,12 @@ namespace MediaBrowser.Providers.Music
         private readonly IProviderManager _providerManager;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="LastFmArtistImageProvider"/> class.
+        /// Initializes a new instance of the <see cref="LastFmImageProvider"/> class.
         /// </summary>
         /// <param name="logManager">The log manager.</param>
         /// <param name="configurationManager">The configuration manager.</param>
         /// <param name="providerManager">The provider manager.</param>
-        public LastFmArtistImageProvider(ILogManager logManager, IServerConfigurationManager configurationManager, IProviderManager providerManager) : 
+        public LastFmImageProvider(ILogManager logManager, IServerConfigurationManager configurationManager, IProviderManager providerManager) : 
             base(logManager, configurationManager)
         {
             _providerManager = providerManager;
@@ -39,7 +39,7 @@ namespace MediaBrowser.Providers.Music
         /// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
         public override bool Supports(BaseItem item)
         {
-            return item is Artist || item is MusicArtist;
+            return item is Artist || item is MusicArtist || item is MusicAlbum;
         }
 
         /// <summary>
@@ -114,6 +114,13 @@ namespace MediaBrowser.Providers.Music
                 return artistByName.LastFmImageUrl;
             }
 
+            var album = item as MusicAlbum;
+
+            if (album != null)
+            {
+                return album.LastFmImageUrl;
+            }
+
             return null;
         }
     }

MediaBrowser.Providers/Music/LastfmAlbumProvider.cs

@@ -1,4 +1,5 @@
-using MediaBrowser.Common.Extensions;
+using System.IO;
+using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
@@ -143,7 +144,15 @@ namespace MediaBrowser.Providers.Music
 
             }).ConfigureAwait(false))
             {
-                return JsonSerializer.DeserializeFromStream<LastfmGetAlbumResult>(json);
+                using (var reader = new StreamReader(json))
+                {
+                    var jsonText = await reader.ReadToEndAsync().ConfigureAwait(false);
+
+                    // Fix their bad json
+                    jsonText = jsonText.Replace("\"#text\"", "\"url\"");
+
+                    return JsonSerializer.DeserializeFromString<LastfmGetAlbumResult>(jsonText);
+                }
             }
         }
 

MediaBrowser.Providers/Music/LastfmBaseProvider.cs

@@ -193,7 +193,7 @@ namespace MediaBrowser.Providers.Music
         public string size { get; set; }
     }
 
-    public class LastfmArtist
+    public class LastfmArtist : IHasLastFmImages
     {
         public string name { get; set; }
         public string mbid { get; set; }
@@ -208,7 +208,7 @@ namespace MediaBrowser.Providers.Music
     }
 
 
-    public class LastfmAlbum
+    public class LastfmAlbum : IHasLastFmImages
     {
         public string name { get; set; }
         public string artist { get; set; }
@@ -219,6 +219,12 @@ namespace MediaBrowser.Providers.Music
         public int playcount { get; set; }
         public LastfmTags toptags { get; set; }
         public LastFmBio wiki { get; set; }
+        public List<LastFmImage> image { get; set; }
+    }
+
+    public interface IHasLastFmImages
+    {
+        List<LastFmImage> image { get; set; }
     }
 
     public class LastfmGetAlbumResult

MediaBrowser.Providers/Music/LastfmHelper.cs

@@ -47,14 +47,17 @@ namespace MediaBrowser.Providers.Music
             }
         }
 
-        private static string GetImageUrl(LastfmArtist data)
+        private static string GetImageUrl(IHasLastFmImages data)
         {
             if (data.image == null)
             {
                 return null;
             }
 
-            var img = data.image.FirstOrDefault(i => string.Equals(i.size, "extralarge", StringComparison.OrdinalIgnoreCase)) ??
+            var img = data.image
+                .Where(i => !string.IsNullOrWhiteSpace(i.url))
+                .FirstOrDefault(i => string.Equals(i.size, "mega", StringComparison.OrdinalIgnoreCase)) ??
+                data.image.FirstOrDefault(i => string.Equals(i.size, "extralarge", StringComparison.OrdinalIgnoreCase)) ??
                 data.image.FirstOrDefault(i => string.Equals(i.size, "large", StringComparison.OrdinalIgnoreCase)) ?? 
                 data.image.FirstOrDefault(i => string.Equals(i.size, "medium", StringComparison.OrdinalIgnoreCase)) ?? 
                 data.image.FirstOrDefault();
@@ -99,6 +102,9 @@ namespace MediaBrowser.Providers.Music
             {
                 AddTags(item, data.toptags);
             }
+
+            var album = (MusicAlbum)item;
+            album.LastFmImageUrl = GetImageUrl(data);
         }
 
         private static void AddTags(BaseItem item, LastfmTags tags)