ThePirateBay: replace yml with c# and using TPB's API (#9593)

src/Jackett.Common/Converters/StringToLongConverter.cs

@@ -0,0 +1,33 @@
+using System;
+using Newtonsoft.Json;
+
+namespace Jackett.Common.Converters
+{
+    /// <summary>
+    /// converts a string value to a long and vice-versa.
+    /// </summary>
+    public sealed class StringToLongConverter : JsonConverter
+    {
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+            => writer.WriteValue(value.ToString());
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            if (reader.Value == null)
+            {
+                return null;
+            }
+
+            if (reader.Value is long)
+            {
+                return reader.Value;
+            }
+
+            return long.TryParse((string)reader.Value, out var foo)
+                ? foo
+                : (long?) null;
+        }
+
+        public override bool CanConvert(Type objectType) => objectType == typeof(string);
+    }
+}