From b5c705ad04ec20d7468addcf33a633b8e51c5c34 Mon Sep 17 00:00:00 2001
From: Wilmer Arambula <terabytesoftw@gmail.com>
Date: Sun, 29 Jun 2025 16:13:22 -0400
Subject: [PATCH 1/3] refactor: Update save logic in `NestedSetsBehavior` class
 to refresh node after saving. Add test for `left` and `right` attribute
 adjustment when appending child to root.

---
 src/NestedSetsBehavior.php       |  5 +++-
 tests/NestedSetsBehaviorTest.php | 44 ++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/src/NestedSetsBehavior.php b/src/NestedSetsBehavior.php
index 4c63ce0..caca4f8 100644
--- a/src/NestedSetsBehavior.php
+++ b/src/NestedSetsBehavior.php
@@ -296,7 +296,10 @@ public function appendTo(ActiveRecord $node, bool $runValidation = true, array|n
         $this->operation = self::OPERATION_APPEND_TO;
         $this->node = $node;
 
-        return $this->getOwner()->save($runValidation, $attributes);
+        $result = $this->getOwner()->save($runValidation, $attributes);
+        $node->refresh();
+
+        return $result;
     }
 
     /**
diff --git a/tests/NestedSetsBehaviorTest.php b/tests/NestedSetsBehaviorTest.php
index d24645f..bd48d9f 100644
--- a/tests/NestedSetsBehaviorTest.php
+++ b/tests/NestedSetsBehaviorTest.php
@@ -1720,6 +1720,50 @@ public function testAppendChildNodeToRootCreatesValidTreeStructure(): void
         }
     }
 
+    public function testReturnShiftedLeftRightAttributesWhenChildAppendedToRoot(): void
+    {
+        $this->createDatabase();
+
+        $root = new Tree(['name' => 'Root']);
+
+        $root->makeRoot();
+
+        $child = new Tree(['name' => 'Child']);
+
+        $child->appendTo($root);
+
+        self::assertEquals(
+            1,
+            $root->lft,
+            'Root node left value should be \'1\' after \'makeRoot\' and appending a child.',
+        );
+        self::assertEquals(
+            4,
+            $root->rgt,
+            'Root node right value should be \'4\' after \'makeRoot\' and appending a child.',
+        );
+        self::assertEquals(
+            2,
+            $child->lft,
+            'Child node left value should be \'2\' after being appended to the root node.',
+        );
+        self::assertEquals(
+            3,
+            $child->rgt,
+            'Child node right value should be \'3\' after being appended to the root node.',
+        );
+        self::assertNotEquals(
+            0,
+            $child->lft,
+            'Child node left value should not be \'0\' after \'appendTo\' operation.',
+        );
+        self::assertNotEquals(
+            1,
+            $child->rgt,
+            'Child node right value should not be \'1\' after \'appendTo\' operation.',
+        );
+    }
+
     public function testThrowExceptionWhenAppendToParentWithNullRightValue(): void
     {
         $this->createDatabase();

From eb8cfad6284a6b86c31fd46693cdcbeba2d108cd Mon Sep 17 00:00:00 2001
From: Wilmer Arambula <terabytesoftw@gmail.com>
Date: Sun, 29 Jun 2025 16:21:15 -0400
Subject: [PATCH 2/3] refactor: Update save logic in `NestedSetsBehavior` class
 to refresh node only on successful save.

---
 src/NestedSetsBehavior.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/NestedSetsBehavior.php b/src/NestedSetsBehavior.php
index caca4f8..3ae9c10 100644
--- a/src/NestedSetsBehavior.php
+++ b/src/NestedSetsBehavior.php
@@ -297,7 +297,10 @@ public function appendTo(ActiveRecord $node, bool $runValidation = true, array|n
         $this->node = $node;
 
         $result = $this->getOwner()->save($runValidation, $attributes);
-        $node->refresh();
+
+        if ($result === true) {
+            $node->refresh();
+        }
 
         return $result;
     }

From b64d4d3e5a2f2fca7d4c74d11599936e14a4031f Mon Sep 17 00:00:00 2001
From: Wilmer Arambula <terabytesoftw@gmail.com>
Date: Sun, 29 Jun 2025 16:25:15 -0400
Subject: [PATCH 3/3] refactor: Refresh nodes after appending child to ensure
 correct state in tests.

---
 tests/NestedSetsBehaviorTest.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/NestedSetsBehaviorTest.php b/tests/NestedSetsBehaviorTest.php
index bd48d9f..e00b854 100644
--- a/tests/NestedSetsBehaviorTest.php
+++ b/tests/NestedSetsBehaviorTest.php
@@ -1727,10 +1727,12 @@ public function testReturnShiftedLeftRightAttributesWhenChildAppendedToRoot(): v
         $root = new Tree(['name' => 'Root']);
 
         $root->makeRoot();
+        $root->refresh();
 
         $child = new Tree(['name' => 'Child']);
 
         $child->appendTo($root);
+        $child->refresh();
 
         self::assertEquals(
             1,