LastfmAlbumProvider

MediaBrowser.Controller/MediaBrowser.Controller.csproj

@@ -108,6 +108,7 @@
     <Compile Include="IServerApplicationPaths.cs" />
     <Compile Include="Library\ChildrenChangedEventArgs.cs" />
     <Compile Include="Library\DtoBuilder.cs" />
+    <Compile Include="Providers\Music\LastfmAlbumProvider.cs" />
     <Compile Include="Providers\Music\FanArtAlbumProvider.cs" />
     <Compile Include="Providers\Music\FanArtArtistProvider.cs" />
     <Compile Include="Providers\Music\LastfmArtistProvider.cs" />

MediaBrowser.Controller/Providers/Music/LastfmAlbumProvider.cs

@@ -0,0 +1,76 @@
+using System.IO;
+using System.Net;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Net;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Net;
+using MediaBrowser.Model.Serialization;
+
+namespace MediaBrowser.Controller.Providers.Music
+{
+    public class LastfmAlbumProvider : LastfmBaseProvider
+    {
+        private static readonly Task<string> BlankId = Task.FromResult("0000");
+
+        public LastfmAlbumProvider(IJsonSerializer jsonSerializer, IHttpClient httpClient, ILogManager logManager, IServerConfigurationManager configurationManager)
+            : base(jsonSerializer, httpClient, logManager, configurationManager)
+        {
+            LocalMetaFileName = LastfmHelper.LocalAlbumMetaFileName;
+        }
+
+        protected override Task<string> FindId(BaseItem item, CancellationToken cancellationToken)
+        {
+            // We don't fetch by id
+            return BlankId;
+        }
+
+        protected override async Task FetchLastfmData(BaseItem item, string id, CancellationToken cancellationToken)
+        {
+            // Get albu info using artist and album name
+            var url = RootUrl + string.Format("method=album.getInfo&artist={0}&album={1}&api_key={2}&format=json", UrlEncode(item.Parent.Name), UrlEncode(item.Name), ApiKey);
+
+            LastfmGetAlbumResult result = null;
+
+            try
+            {
+                using (var json = await HttpClient.Get(url, LastfmResourcePool, cancellationToken).ConfigureAwait(false))
+                {
+                    result = JsonSerializer.DeserializeFromStream<LastfmGetAlbumResult>(json);
+                }
+            }
+            catch (HttpException e)
+            {
+                if (e.StatusCode == HttpStatusCode.NotFound)
+                {
+                    throw new LastfmProviderException(string.Format("Unable to retrieve album info for {0} with artist {1}", item.Name, item.Parent.Name));
+                }
+                throw;
+            }
+
+            if (result != null && result.album != null)
+            {
+                LastfmHelper.ProcessAlbumData(item, result.album);
+                //And save locally if indicated
+                if (ConfigurationManager.Configuration.SaveLocalMeta)
+                {
+                    var ms = new MemoryStream();
+                    JsonSerializer.SerializeToStream(result.album, ms);
+
+                    cancellationToken.ThrowIfCancellationRequested();
+
+                    await Kernel.Instance.FileSystemManager.SaveToLibraryFilesystem(item, Path.Combine(item.MetaLocation, LocalMetaFileName), ms, cancellationToken).ConfigureAwait(false);
+                    
+                }
+            }
+        }
+
+        public override bool Supports(BaseItem item)
+        {
+            return item is MusicAlbum;
+        }
+    }
+}

MediaBrowser.Controller/Providers/Music/LastfmArtistProvider.cs

@@ -75,7 +75,7 @@ namespace MediaBrowser.Controller.Providers.Music
             {
                 if (e.StatusCode == HttpStatusCode.NotFound)
                 {
-                    throw new LastfmProviderException(string.Format("Unable to retrieve artist info for {0} with id {0}", item.Name, id));
+                    throw new LastfmProviderException(string.Format("Unable to retrieve artist info for {0} with id {1}", item.Name, id));
                 }
                 throw;
             }

MediaBrowser.Controller/Providers/Music/LastfmBaseProvider.cs

@@ -123,7 +123,7 @@ namespace MediaBrowser.Controller.Providers.Music
             var id = item.GetProviderId(MetadataProviders.Musicbrainz) ?? await FindId(item, cancellationToken).ConfigureAwait(false);
             if (id != null)
             {
-                Logger.Debug("LastfmProvider - getting info with id: " + id);
+                Logger.Debug("LastfmProvider - getting info for {0}", item.Name);
 
                 cancellationToken.ThrowIfCancellationRequested();
 
@@ -275,6 +275,25 @@ namespace MediaBrowser.Controller.Providers.Music
         public LastFmBio bio { get; set; }
     }
 
+
+    public class LastfmAlbum
+    {
+        public string name { get; set; }
+        public string artist { get; set; }
+        public string id { get; set; }
+        public string mbid { get; set; }
+        public string releasedate { get; set; }
+        public int listeners { get; set; }
+        public int playcount { get; set; }
+        public LastfmTags toptags { get; set; }
+        public LastFmBio wiki { get; set; }
+    }
+
+    public class LastfmGetAlbumResult
+    {
+        public LastfmAlbum album { get; set; }
+    }
+
     public class LastfmGetArtistResult
     {
         public LastfmArtist artist { get; set; }

MediaBrowser.Controller/Providers/Music/LastfmHelper.cs

@@ -4,12 +4,14 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Entities;
 
 namespace MediaBrowser.Controller.Providers.Music
 {
     public static class LastfmHelper
     {
         public static string LocalArtistMetaFileName = "MBArtist.json";
+        public static string LocalAlbumMetaFileName = "MBAlbum.json";
 
         public static void ProcessArtistData(BaseItem artist, LastfmArtist data)
         {
@@ -31,13 +33,30 @@ namespace MediaBrowser.Controller.Providers.Music
             artist.PremiereDate = new DateTime(yearFormed, 1,1);
             if (data.tags != null)
             {
-                foreach (var tag in data.tags.tag)
-                {
-                    artist.AddGenre(tag.name);
-                }
+                AddGenres(artist, data.tags);
+            }
+        }
 
+        public static void ProcessAlbumData(BaseItem item, LastfmAlbum data)
+        {
+            if (!string.IsNullOrWhiteSpace(data.mbid)) item.SetProviderId(MetadataProviders.Musicbrainz, data.mbid);
+
+            item.Overview = data.wiki != null ? data.wiki.content : null;
+            var release = DateTime.MinValue;
+            DateTime.TryParse(data.releasedate, out release);
+            item.PremiereDate = release;
+            if (data.toptags != null)
+            {
+                AddGenres(item, data.toptags);
             }
         }
 
+        private static void AddGenres(BaseItem item, LastfmTags tags)
+        {
+            foreach (var tag in tags.tag)
+            {
+                item.AddGenre(tag.name);
+            }
+        }
     }
 }