From ff721d91375bf7788cec4b6106a2fc11ce588e4c Mon Sep 17 00:00:00 2001
From: Yisroel Baum <yisroel.d.baum@gmail.com>
Date: Sun, 19 Apr 2026 23:11:15 +0300
Subject: [PATCH] add null guards in create node use case

---
 app/Node/UseCases/CreateNode.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/app/Node/UseCases/CreateNode.php b/app/Node/UseCases/CreateNode.php
index dcb8afa..87d8ead 100644
--- a/app/Node/UseCases/CreateNode.php
+++ b/app/Node/UseCases/CreateNode.php
@@ -2,6 +2,7 @@
 
 namespace App\Node\UseCases;
 
+use App\Exceptions\BadRequestException;
 use App\Node\Node;
 use App\Node\CreateNodeDto;
 use App\Node\NodeRepository;
@@ -20,6 +21,14 @@ class CreateNode
      */
     public function execute(CreateNodeRequest $request): Node
     {
+        if ($request->textId === null) {
+            throw new BadRequestException('textId is required');
+        }
+
+        if ($request->title === null) {
+            throw new BadRequestException('title is required');
+        }
+
         $textId = $request->textId;
         $text = $this->textRepo->find($textId);
         if ($text === null) {