Add bool to yes/no converter

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com)
 and this project adheres to [Semantic Versioning](http://semver.org).
 
 ## [Unreleased] - TBD
+## Added
+- Added `DateValidatorTag` to Complex Tags
 
 
 ## [1.2.0] - 2023-07-03

SignNow.Net/Model/ComplexTags/DateValidatorTag.cs

@@ -1,5 +1,6 @@
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
+using SignNow.Net.Internal.Helpers.Converters;
 
 namespace SignNow.Net.Model.ComplexTags
 {
@@ -16,6 +17,7 @@ public class DateValidatorTag : ComplexTagWithLabel
         /// Lock Signing Date option
         /// </summary>
         [JsonProperty("lsd", Order = 1)]
+        [JsonConverter(typeof(BoolToStringYNJsonConverter))]
         public bool LockSigningDate { get; set; }
 
         [JsonProperty("validator_id", Order = 2)]

SignNow.Net/_Internal/Helpers/Converters/BoolToStringYNJsonConverter.cs

@@ -0,0 +1,27 @@
+using System;
+using Newtonsoft.Json;
+
+namespace SignNow.Net.Internal.Helpers.Converters
+{
+    /// <summary>
+    /// Converts <see cref="System.Boolean"/> to <see cref="int"/>
+    /// </summary>
+    internal class BoolToStringYNJsonConverter : JsonConverter
+    {
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            var toYesNo = (bool)value == true ? "y" : "n";
+            writer.WriteValue(toYesNo);
+        }
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            return reader.Value?.ToString() == "y";
+        }
+
+        public override bool CanConvert(Type objectType)
+        {
+            return objectType == typeof(bool);
+        }
+    }
+}