From 66bf6e2907dffbf220f6e86663a15392e4a6c153 Mon Sep 17 00:00:00 2001
From: wuyangfan <1102042793@qq.com>
Date: Mon, 18 May 2026 02:25:08 +0800
Subject: [PATCH] fix(menu): reject restore when duplicate name exists in
 branch (#149)

Validate menu name uniqueness within the branch before restoring a soft-
deleted menu, matching create and update behavior.
---
 .../com/restroly/qrmenu/menu/service/MenuServiceImpl.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/RestroHub/src/main/java/com/restroly/qrmenu/menu/service/MenuServiceImpl.java b/RestroHub/src/main/java/com/restroly/qrmenu/menu/service/MenuServiceImpl.java
index dfa2447..acad094 100644
--- a/RestroHub/src/main/java/com/restroly/qrmenu/menu/service/MenuServiceImpl.java
+++ b/RestroHub/src/main/java/com/restroly/qrmenu/menu/service/MenuServiceImpl.java
@@ -201,6 +201,14 @@ public MenuResponseDTO restoreMenu(Long menuId) {
             return menuMapper.toResponseDTO(menu);
         }
 
+        if (menu.getBranch() != null
+                && menuRepository.existsByMenuNameAndBranch_BranchId(
+                        menu.getMenuName(), menu.getBranch().getBranchId())) {
+            throw new DuplicateResourceException(
+                    "Menu with name '" + menu.getMenuName()
+                            + "' already exists for this branch");
+        }
+
         menu.setDeleted(false);
         Menu restoredMenu = menuRepository.save(menu);