From 7950279a66bdff5c57ef5b23d257ef712665735a Mon Sep 17 00:00:00 2001
From: ckogler <christian.kogler@elements.at>
Date: Mon, 17 Feb 2020 21:20:38 +0100
Subject: [PATCH] Bugfix keepVersions - consider null/empty strings vs 0

---
 src/Model/Configuration/Dao.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Model/Configuration/Dao.php b/src/Model/Configuration/Dao.php
index eed34f2..cf88923 100644
--- a/src/Model/Configuration/Dao.php
+++ b/src/Model/Configuration/Dao.php
@@ -51,6 +51,9 @@ public function delete()
     public function save()
     {
         $data = $this->getValidStorageValues();
+        if($data['keepVersions'] === ''){
+            $data['keepVersions'] = null;
+        }
         if (!$data['id']) {
             unset($data['id']);
             $this->db->insert($this->getTableName(), $data);