From 62a4ac5c4b5d186dcab9c4ff1206318740635e2d Mon Sep 17 00:00:00 2001
From: Serraniel <mail@serraniel.dev>
Date: Wed, 1 Mar 2023 21:44:13 +0100
Subject: [PATCH] Adds new JsonConverter for special ints which can have "none"
 as value, too.

---
 src/Api/Set.cs                                |  2 ++
 .../JsonConverter/NoneIntJsonConverter.cs     | 36 +++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 src/Utils/JsonConverter/NoneIntJsonConverter.cs

diff --git a/src/Api/Set.cs b/src/Api/Set.cs
index 5cd5c11..5c5c4f7 100644
--- a/src/Api/Set.cs
+++ b/src/Api/Set.cs
@@ -22,6 +22,8 @@ public class Set : EndpointObject
 
     public string? Language { get; set; }
 
+    [JsonNumberHandling(JsonNumberHandling.AllowReadingFromString)]
+    [JsonConverter(typeof(NoneIntJsonConverter))] // set hashes in card objects sometimes have "none" as year.
     public int Year { get; set; }
 
     // TODO: According to documentation the property currently is not supported.
diff --git a/src/Utils/JsonConverter/NoneIntJsonConverter.cs b/src/Utils/JsonConverter/NoneIntJsonConverter.cs
new file mode 100644
index 0000000..a8b91c3
--- /dev/null
+++ b/src/Utils/JsonConverter/NoneIntJsonConverter.cs
@@ -0,0 +1,36 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace JpnCardsPokemonSdk.Utils.JsonConverter;
+
+internal class NoneIntJsonConverter : JsonConverter<int>
+{
+    public override int Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType == JsonTokenType.String)
+        {
+            var valueStr = reader.GetString();
+
+            if (valueStr?.Equals("none", StringComparison.InvariantCultureIgnoreCase) ?? true)
+                return -1;
+
+            if (int.TryParse(valueStr, out var number))
+                return number;
+        }
+        else if (reader.TokenType == JsonTokenType.Number)
+        {
+            return reader.GetInt32();
+        }
+
+        return -1;
+    }
+
+    public override void Write(Utf8JsonWriter writer, int value, JsonSerializerOptions options)
+    {
+        if (value >= 0)
+            writer.WriteNumberValue(value);
+        else
+            writer.WriteStringValue("non");
+    }
+}
\ No newline at end of file