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YandexMusic.API/Models/Pins/Items/YPin.cs

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+namespace YandexMusic.API.Models.Pins.Items
+{
+    public sealed class YPinConverter : JsonConverter
+    {
+        private YPin GetEvent(JToken jObject)
+        {
+            YPin pin;
+
+            YPinType type = jObject["type"]
+                .ToObject<YPinType>();
+
+            switch (type)
+            {
+                case YPinType.Album:
+                    pin = jObject.ToObject<YPin<YPinAlbumData>>();
+                    break;
+
+                case YPinType.Artist:
+                    pin = jObject.ToObject<YPin<YPinArtistData>>();
+                    break;
+
+                case YPinType.Playlist:
+                    pin = jObject.ToObject<YPin<YPinPlaylistData>>();
+                    break;
+
+                case YPinType.Wave:
+                    pin = jObject.ToObject<YPin<YPinWaveData>>();
+                    break;
+
+                default:
+                    pin = jObject.ToObject<YPin>();
+                    break;
+            }
+
+            return pin;
+        }
+
+        public override bool CanConvert(Type objectType)
+        {
+            return typeof(YPin).IsAssignableFrom(objectType);
+        }
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            if (reader.TokenType == JsonToken.Null)
+                return null;
+
+            return JArray.Load(reader)
+                .Select(GetEvent)
+                .ToList();
+        }
+
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            throw new NotImplementedException();
+        }
+    }
+
+    public abstract class YPin
+    {
+        public YPinType Type { get; set; }
+    }
+
+    public class YPin<T> : YPin
+    {
+        public T Data { get; set; }
+    }
+}