From 1f76fc08b69b3be753e4939df3dc947c2fb95a92 Mon Sep 17 00:00:00 2001
From: Yisroel Baum <yisroel.d.baum@gmail.com>
Date: Sun, 19 Apr 2026 23:10:10 +0300
Subject: [PATCH] add null guards in bulk create nodes use case

---
 app/Node/UseCases/BulkCreateNodes.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/app/Node/UseCases/BulkCreateNodes.php b/app/Node/UseCases/BulkCreateNodes.php
index 1ca322d..d4b124b 100644
--- a/app/Node/UseCases/BulkCreateNodes.php
+++ b/app/Node/UseCases/BulkCreateNodes.php
@@ -2,6 +2,7 @@
 
 namespace App\Node\UseCases;
 
+use App\Exceptions\BadRequestException;
 use App\Node\CreateNodeDto;
 use App\Node\Node;
 use App\Node\NodeRepository;
@@ -21,6 +22,22 @@ class BulkCreateNodes
      */
     public function execute(BulkCreateNodesRequest $request): array
     {
+        if ($request->textId === null) {
+            throw new BadRequestException('textId is required');
+        }
+
+        if ($request->parentNodeId === null) {
+            throw new BadRequestException('parentNodeId is required');
+        }
+
+        if ($request->titlePrefix === null) {
+            throw new BadRequestException('titlePrefix is required');
+        }
+
+        if ($request->count === null) {
+            throw new BadRequestException('count is required');
+        }
+
         $text = $this->textRepo->find($request->textId);
         if ($text === null) {
             throw new DomainException("Text with id: {$request->textId} doesnt exist");