1 files changed, 23 insertions, 0 deletions
diff --git a/app/Helper/CommentHelper.php b/app/Helper/CommentHelper.php
new file mode 100644
index 00000000..d6426d1a
--- /dev/null
+++ b/app/Helper/CommentHelper.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace Kanboard\Helper;
+
+use Kanboard\Core\Base;
+use Kanboard\Model\UserMetadataModel;
+
+/**
+ * Class CommentHelper
+ *
+ * @package Kanboard\Helper
+ * @author  Frederic Guillot
+ */
+class CommentHelper extends Base
+{
+    public function toggleSorting()
+    {
+        $oldDirection = $this->userMetadataCacheDecorator->get(UserMetadataModel::KEY_COMMENT_SORTING_DIRECTION, 'ASC');
+        $newDirection = $oldDirection === 'ASC' ? 'DESC' : 'ASC';
+
+        $this->userMetadataCacheDecorator->set(UserMetadataModel::KEY_COMMENT_SORTING_DIRECTION, $newDirection);
+    }
+}