Fixed issues #926, and #928. (#942)

* Fixed issues #926, and #928.
Added JsonConverter attributes to properties.

* Fixed complier warning CA1305

Author: Lewis-Fam

SpotifyAPI.Web/Models/Converters/DoubleToIntConverter.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Globalization;
+
+using Newtonsoft.Json;
+
+namespace SpotifyAPI.Web
+{
+  public class DoubleToIntConverter : JsonConverter<int>
+  {
+    public override void WriteJson(JsonWriter? writer, int value, JsonSerializer serializer)
+    {
+      writer?.WriteValue(value);
+    }
+
+    public override int ReadJson(JsonReader? reader, Type objectType, int existingValue, bool hasExistingValue,
+      JsonSerializer serializer)
+    {
+      return reader != null ? Convert.ToInt32(reader.Value, CultureInfo.InvariantCulture) : 0;
+    }
+  }
+}

SpotifyAPI.Web/Models/Response/Followers.cs

@@ -1,10 +1,12 @@
+using Newtonsoft.Json;
+
 namespace SpotifyAPI.Web
 {
   public class Followers
   {
     public string Href { get; set; } = default!;
 
+    [JsonConverter(typeof(DoubleToIntConverter))]
     public int Total { get; set; }
   }
 }
-

SpotifyAPI.Web/Models/Response/FullArtist.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using Newtonsoft.Json;
 
 namespace SpotifyAPI.Web
 {
@@ -11,6 +12,7 @@ public class FullArtist
     public string Id { get; set; } = default!;
     public List<Image> Images { get; set; } = default!;
     public string Name { get; set; } = default!;
+    [JsonConverter(typeof(DoubleToIntConverter))]
     public int Popularity { get; set; }
     public string Type { get; set; } = default!;
     public string Uri { get; set; } = default!;

SpotifyAPI.Web/Models/Response/FullTrack.cs

@@ -10,6 +10,7 @@ public class FullTrack : IPlayableItem
     public List<SimpleArtist> Artists { get; set; } = default!;
     public List<string> AvailableMarkets { get; set; } = default!;
     public int DiscNumber { get; set; }
+    [JsonConverter(typeof(DoubleToIntConverter))]
     public int DurationMs { get; set; }
     public bool Explicit { get; set; }
     public Dictionary<string, string> ExternalIds { get; set; } = default!;

SpotifyAPI.Web/Models/Response/Image.cs

@@ -1,8 +1,12 @@
+using Newtonsoft.Json;
+
 namespace SpotifyAPI.Web
 {
   public class Image
   {
+    [JsonConverter(typeof(DoubleToIntConverter))]
     public int Height { get; set; }
+    [JsonConverter(typeof(DoubleToIntConverter))]
     public int Width { get; set; }
     public string Url { get; set; } = default!;
   }