From 95e9b34033f932c8f453c2c5ec67e2c6d6a39189 Mon Sep 17 00:00:00 2001
From: Pete Matsyburka <pete@docuseal.co>
Date: Tue, 1 Oct 2024 17:19:29 +0300
Subject: [PATCH] fix sign field name

---
 config/initializers/hexapdf.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/config/initializers/hexapdf.rb b/config/initializers/hexapdf.rb
index bda20737..ba1b89f5 100644
--- a/config/initializers/hexapdf.rb
+++ b/config/initializers/hexapdf.rb
@@ -1,6 +1,19 @@
 # frozen_string_literal: true
 
 module HexaPDF
+  module DigitalSignature
+    class Signatures
+      private
+
+      def generate_field_name
+        index = (@document.acro_form.each_field
+                 .map { |field| field.full_field_name.to_s.scan(/\ASignature(\d+)/).first&.first.to_i }
+                 .max || 0) + 1
+        "Signature#{index}"
+      end
+    end
+  end
+
   module Encryption
     class SecurityHandler
       def encrypt_string(str, obj)