From 5ab8109504731943cddfecda2618a6066b0cd56f Mon Sep 17 00:00:00 2001
From: s-choi <choi-suyeong@iij.ad.jp>
Date: Thu, 17 Sep 2026 13:44:57 +0900
Subject: [PATCH] =?UTF-8?q?[EDIT]=20=E5=90=8D=E5=89=8D=E3=81=A7=E6=A4=9C?=
 =?UTF-8?q?=E7=B4=A2=E3=81=A7=E3=81=8D=E3=82=8B=E6=A9=9F=E8=83=BD=E3=82=92?=
 =?UTF-8?q?=E8=BF=BD=E5=8A=A0=E3=81=97=E3=81=BE=E3=81=97=E3=81=9F=E3=80=82?=
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---
 .../app/domain/service/CategoryService.java   |  2 ++
 .../service/impl/CategoryServiceImpl.java     | 32 +++++++++++++------
 2 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/src/main/java/com/example/demo/app/domain/service/CategoryService.java b/src/main/java/com/example/demo/app/domain/service/CategoryService.java
index ff0cab4..ddea344 100644
--- a/src/main/java/com/example/demo/app/domain/service/CategoryService.java
+++ b/src/main/java/com/example/demo/app/domain/service/CategoryService.java
@@ -9,4 +9,6 @@ public interface CategoryService {
 	public List<CategoryModel> findAll();
 	
 	public CategoryModel findOne(Long categoryId);
+	
+	public CategoryModel findOneByCategoryName(String categoryName);
 }
diff --git a/src/main/java/com/example/demo/app/domain/service/impl/CategoryServiceImpl.java b/src/main/java/com/example/demo/app/domain/service/impl/CategoryServiceImpl.java
index 4dab58c..6e59cdb 100644
--- a/src/main/java/com/example/demo/app/domain/service/impl/CategoryServiceImpl.java
+++ b/src/main/java/com/example/demo/app/domain/service/impl/CategoryServiceImpl.java
@@ -14,26 +14,38 @@ import lombok.RequiredArgsConstructor;
 
 @Service
 @RequiredArgsConstructor
-public class CategoryServiceImpl implements CategoryService{
+public class CategoryServiceImpl implements CategoryService {
 
 	private final CategoryRepository categoryRepository;
-	
+
 	public List<CategoryModel> findAll() {
-		
+
 		return CategoryModel.convertFrom(categoryRepository.findAll());
-		
+
 	}
-	
+
 	public CategoryModel findOne(Long categoryId) {
-		
+
 		Optional<CategoryEntity> optionalCategoryModel = categoryRepository.findById(categoryId);
-		
+
 		if (optionalCategoryModel.isEmpty()) {
 			return null;
 		}
-		
+
 		return CategoryModel.convertFrom(optionalCategoryModel.get());
-		
+
 	}
-	
+
+	public CategoryModel findOneByCategoryName(String categoryName) {
+
+		CategoryEntity categoryModel = categoryRepository.findByCategoryName(categoryName);
+
+		if (categoryModel == null) {
+			return null;
+		}
+
+		return CategoryModel.convertFrom(categoryModel);
+
+	}
+
 }