From 6576d89d08775424eac20350bdbe37a47775048f Mon Sep 17 00:00:00 2001
From: kent <shine1324@gmail.com>
Date: Mon, 28 Jul 2025 01:17:15 +0900
Subject: [PATCH] =?UTF-8?q?fix=20:=20=EC=B9=B4=ED=85=8C=EA=B3=A0=EB=A6=AC?=
 =?UTF-8?q?=20=ED=99=95=EC=9D=B8=20API=20=EC=88=98=EC=A0=95?=
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---
 app/Services/ProductService.php | 35 ++++++++++++++++++++++++++++++---
 1 file changed, 32 insertions(+), 3 deletions(-)

diff --git a/app/Services/ProductService.php b/app/Services/ProductService.php
index 3a3aa73..a4971f6 100644
--- a/app/Services/ProductService.php
+++ b/app/Services/ProductService.php
@@ -9,12 +9,41 @@ class ProductService
 {
 
     /**
-     * 회원 조회(리스트)
+     * 카테고리 트리 전체 조회 (parent_id = null 기준)
      */
-    public static function getCategory()
+    public static function getCategory($request)
     {
-        $query = CommonCode::where('code_group','category')->where('parent_id',null);
+        $parentId = $request->parentId ?? null;
+        $group = $request->group ?? 'category';
 
+        // 재귀적으로 트리 구성
+        $list = self::fetchCategoryTree($parentId, $group);
+
+        return ApiResponse::response('result', $list);
+    }
+
+    /**
+     * 내부 재귀 함수 (하위 카테고리 트리 구조로 구성)
+     */
+    protected static function fetchCategoryTree($parentId = null, $group = 'category')
+    {
+        $categories = CommonCode::where('code_group', 'category')
+            ->where('parent_id', $parentId)
+            ->orderBy('sort_order')->debug();
+        $categories =  $categories->get();
+
+        foreach ($categories as $category) {
+            $category->children = self::fetchCategoryTree($category->id);
+        }
+        return $categories;
+    }
+
+    /**
+     * (예시) 기존의 flat 리스트 조회
+     */
+    public static function getCategoryFlat($group = 'category')
+    {
+        $query = CommonCode::where('code_group',$group)->whereNull('parent_id');
         return ApiResponse::response('get', $query);
     }