Added user.getWeeklyArtistChart

src/IF.Lastfm.Core/Api/Commands/User/GetWeeklyArtistChartCommand.cs

@@ -0,0 +1,59 @@
+using System.Net.Http;
+using System.Threading.Tasks;
+using IF.Lastfm.Core.Api.Enums;
+using IF.Lastfm.Core.Api.Helpers;
+using IF.Lastfm.Core.Objects;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace IF.Lastfm.Core.Api.Commands.User
+{
+    [ApiMethodName("user.getWeeklyArtistChart")]
+    internal class GetWeeklyArtistChartCommand : GetAsyncCommandBase<PageResponse<LastArtist>>
+    {
+        public string Username { get; set; }
+        public string To { get; set; }
+        public string From { get; set; }
+
+        public GetWeeklyArtistChartCommand(ILastAuth auth, string username, string from, string to)
+            : base(auth)
+        {
+            Username = username;
+            From = from;
+            To = to; 
+        }
+
+        public override void SetParameters()
+        {
+            if(!From.Equals(null)) 
+            {
+                Parameters.Add("from", From);
+            }
+            if(!To.Equals(null)) 
+            {
+                Parameters.Add("to", To);
+            }
+            
+            Parameters.Add("user", Username);
+            DisableCaching();
+        }
+
+        public override async Task<PageResponse<LastArtist>> HandleResponse(HttpResponseMessage response)
+        {
+            var json = await response.Content.ReadAsStringAsync();
+
+            LastResponseStatus status;
+            if (LastFm.IsResponseValid(json, out status) && response.IsSuccessStatusCode)
+            {
+                var jtoken = JsonConvert.DeserializeObject<JToken>(json);
+                var chartListToken = jtoken.SelectToken("weeklyartistchart");
+                var itemsToken = chartListToken.SelectToken("artist");
+                var pageInfoToken = chartListToken.SelectToken("@attr");
+
+                return PageResponse<LastArtist>.CreateSuccessResponse(itemsToken, pageInfoToken, LastArtist.ParseJToken, LastPageResultsType.Attr);
+            }
+
+            return LastResponse.CreateErrorResponse<PageResponse<LastArtist>>(status);
+        }
+    }
+}

src/IF.Lastfm.Core/Api/Commands/User/GetWeeklyChartListCommand.cs

@@ -9,11 +9,11 @@
 namespace IF.Lastfm.Core.Api.Commands.User
 {
     [ApiMethodName("user.getWeeklyChartList")]
-    internal class GetWeeklyChartsCommand : GetAsyncCommandBase<PageResponse<LastWeeklyChartList>>
+    internal class GetWeeklyChartListCommand : GetAsyncCommandBase<PageResponse<LastWeeklyChartList>>
     {
         public string Username { get; set; }
 
-        public GetWeeklyChartsCommand(ILastAuth auth, string username)
+        public GetWeeklyChartListCommand(ILastAuth auth, string username)
             : base(auth)
         {
             Username = username;

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

@@ -41,5 +41,7 @@ Task<PageResponse<LastShout>> GetShoutsAsync(string username,
         Task<PageResponse<LastTrack>> GetLovedTracks(string username, int pagenumber, int count);
         
         Task<PageResponse<LastWeeklyChartList>> GetWeeklyChartListAsync(string username);
+        
+        Task<PageResponse<LastArtist>> GetWeeklyArtistChartAsync(string username, string to = null, string from = null);
     }
 }

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

@@ -134,7 +134,15 @@ public async Task<PageResponse<LastTrack>> GetLovedTracks(
         }
         public async Task<PageResponse<LastWeeklyChartList>> GetWeeklyChartListAsync(string username)
         {
-            var command = new GetWeeklyChartsCommand(auth: Auth, username: username)
+            var command = new GetWeeklyChartListCommand(auth: Auth, username: username)
+            {
+                HttpClient = HttpClient
+            };
+            return await command.ExecuteAsync();
+        }
+         public async Task<PageResponse<LastArtist>> GetWeeklyArtistChartAsync(string username, string from = null, string to = null)
+        {
+            var command = new GetWeeklyArtistChartCommand(auth: Auth, username: username, from: from, to: to)
             {
                 HttpClient = HttpClient
             };