'artist' search parameter + more album properties on LastTrack

src/IF.Lastfm.Core/Api/Commands/Track/SearchCommand.cs

@@ -13,15 +13,19 @@ internal class SearchCommand : GetAsyncCommandBase<PageResponse<LastTrack>>
     {
         public string TrackName { get; set; }
 
-        public SearchCommand(ILastAuth auth, string trackName)
+        public string Artist { get; set; }
+
+        public SearchCommand(ILastAuth auth, string trackName, string artist = null)
             : base(auth)
         {
             TrackName = trackName;
+            Artist = artist;
         }
 
         public override void SetParameters()
         {
             Parameters.Add("track", TrackName);
+            if (Artist != null) Parameters.Add("artist", Artist);
 
             AddPagingParameters();
             DisableCaching();

src/IF.Lastfm.Core/Api/ITrackApi.cs

@@ -33,6 +33,11 @@ Task<PageResponse<LastTrack>> SearchAsync(string trackname,
            int page = 1,
            int itemsPerPage = LastFm.DefaultPageLength);
 
+        Task<PageResponse<LastTrack>> SearchAsync(string trackname,
+            string artist,
+            int page = 1,
+            int itemsPerPage = LastFm.DefaultPageLength);
+
         //Task<LastResponse> AddShoutAsync(string trackname, string artistname, string message);
     }
 }

src/IF.Lastfm.Core/Api/TrackApi.cs

@@ -103,9 +103,12 @@ public async Task<LastResponse> UnloveAsync(string trackname, string artistname)
             return await command.ExecuteAsync(); 
         }
 
-        public async Task<PageResponse<LastTrack>> SearchAsync(string trackname, int page = 1, int itemsPerPage = LastFm.DefaultPageLength)
+        public async Task<PageResponse<LastTrack>> SearchAsync(string trackname, int page = 1, int itemsPerPage = LastFm.DefaultPageLength) =>
+            await SearchAsync(trackname, null, page, itemsPerPage);
+
+        public async Task<PageResponse<LastTrack>> SearchAsync(string trackname, string artist, int page = 1, int itemsPerPage = LastFm.DefaultPageLength)
         {
-            var command = new SearchCommand(Auth, trackname)
+            var command = new SearchCommand(Auth, trackname, artist)
             {
                 Page = page,
                 Count = itemsPerPage,

src/IF.Lastfm.Core/Objects/LastAlbum.cs

@@ -138,5 +138,17 @@ internal static string GetNameFromJToken(JToken albumToken)
 
             return name;
         }
+
+        internal static string GetArtistFromJToken(JToken albumToken) =>
+            albumToken.Value<string>("artist");
+
+        internal static Uri GetUrlFromJToken(JToken albumToken) =>
+            new Uri(albumToken.Value<string>("url"), UriKind.Absolute);
+
+        internal static LastImageSet GetImagesFromJToken(JToken albumToken)
+        {
+            var images = albumToken.SelectToken("image");
+            return images == null ? null : LastImageSet.ParseJToken(images);
+        }
     }
 }

src/IF.Lastfm.Core/Objects/LastTrack.cs

@@ -35,6 +35,12 @@ public class LastTrack : ILastfmObject
 
         public string AlbumName { get; set; }
 
+        public string AlbumArtistName { get; set; }
+
+        public Uri AlbumUrl { get; set; }
+
+        public LastImageSet AlbumImages { get; set; }
+
         public int? ListenerCount { get; set; }
 
         public int? PlayCount { get; set; }
@@ -82,6 +88,13 @@ internal static LastTrack ParseJToken(JToken token)
                 t.UserPlayCount = userPlayCount;
             }
 
+            var listenerCountStr = token.Value<string>("listeners");
+            int listenerCount;
+            if (int.TryParse(listenerCountStr, out listenerCount))
+            {
+                t.ListenerCount = listenerCount;
+            }
+
             t.Url = new Uri(token.Value<string>("url"), UriKind.Absolute);
 
             var artistToken = token.SelectToken("artist");
@@ -108,6 +121,9 @@ internal static LastTrack ParseJToken(JToken token)
             if (albumToken != null)
             {
                 t.AlbumName = LastAlbum.GetNameFromJToken(albumToken);
+                t.AlbumArtistName = LastAlbum.GetArtistFromJToken(albumToken);
+                t.AlbumUrl = LastAlbum.GetUrlFromJToken(albumToken);
+                t.AlbumImages = LastAlbum.GetImagesFromJToken(albumToken);
             }
 
             var tagsToken = token.SelectToken("toptags");