Added GetSimilarAsyncMbidAsync function

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

@@ -67,8 +67,21 @@ public async Task<PageResponse<LastTrack>> GetTopTracksAsync(string artist, bool
 
         public async Task<PageResponse<LastArtist>> GetSimilarAsync(string artistname, bool autocorrect = false, int limit = LastFm.DefaultPageLength)
         {
-            var command = new GetSimilarCommand(Auth, artistname)
+            var command = new GetSimilarCommand(Auth)
             {
+                ArtistName = artistname,
+                Autocorrect = autocorrect,
+                Limit = limit,
+                HttpClient = HttpClient
+            };
+            return await command.ExecuteAsync();
+        }
+
+        public async Task<PageResponse<LastArtist>> GetSimilarAsyncMbidAsync(string mbid, bool autocorrect = false, int limit = LastFm.DefaultPageLength)
+        {
+            var command = new GetSimilarCommand(Auth)
+            {
+                ArtistMbid = mbid,
                 Autocorrect = autocorrect,
                 Limit = limit,
                 HttpClient = HttpClient

src/IF.Lastfm.Core/Api/Commands/Artist/GetSimilarCommand.cs

@@ -14,19 +14,28 @@ internal class GetSimilarCommand : GetAsyncCommandBase<PageResponse<LastArtist>>
     {
         public bool Autocorrect { get; set; }
 
+        public string ArtistMbid { get; set; }
+
         public string ArtistName { get; set; }
 
         public int? Limit { get; set; }
 
-        public GetSimilarCommand(ILastAuth auth, string artistName)
+        public GetSimilarCommand(ILastAuth auth)
-            : base(auth)
+            : base(auth){}
-        {
+
-            ArtistName = artistName;
-        }
 
         public override void SetParameters()
         {
-            Parameters.Add("artist", ArtistName);
+
+            if (ArtistMbid != null)
+            {
+                Parameters.Add("mbid", ArtistMbid);
+            }
+            else
+            {
+                Parameters.Add("artist", ArtistName);
+            }
+
             Parameters.Add("autocorrect", Convert.ToInt32(Autocorrect).ToString());
 
             if (Limit != null)
@@ -37,7 +46,7 @@ public override void SetParameters()
             DisableCaching();
         }
 
-        public async override Task<PageResponse<LastArtist>> HandleResponse(HttpResponseMessage response)
+        public override async Task<PageResponse<LastArtist>> HandleResponse(HttpResponseMessage response)
         {
             var json = await response.Content.ReadAsStringAsync();
 

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

@@ -20,6 +20,8 @@ Task<LastResponse<LastArtist>> GetInfoByMbidAsync(string mbid, string bioLang =
 
         Task<PageResponse<LastArtist>> GetSimilarAsync(string artistname, bool autocorrect = false, int limit = 100);
 
+        Task<PageResponse<LastArtist>> GetSimilarAsyncMbidAsync(string mbid, bool autocorrect = false, int limit = 100);
+
         Task<PageResponse<LastAlbum>> GetTopAlbumsAsync(string artist,
             bool autocorrect = false,
             int page = 1,