From ad86df5fc54ba014f14b262b730efc515e6b5e69 Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Mon, 1 Jul 2019 11:48:53 +0200
Subject: [PATCH] check for duplicate folder names

---
 op/op.AddSubFolder.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/op/op.AddSubFolder.php b/op/op.AddSubFolder.php
index 344fa3723..3d3d42019 100644
--- a/op/op.AddSubFolder.php
+++ b/op/op.AddSubFolder.php
@@ -99,6 +99,13 @@ if(!empty($_POST['notification_groups'])) {
 	}
 }
 
+/* Check if name already exists in the folder */
+if(!$settings->_enableDuplicateSubFolderNames) {
+	if($folder->hasSubFolderByName($name)) {
+		UI::exitError(getMLText("folder_title", array("foldername" => $folder->getName())),getMLText("subfolder_duplicate_name"));
+	}
+}
+
 $controller->setParam('folder', $folder);
 $controller->setParam('name', $name);
 $controller->setParam('comment', $comment);