From bb47f14d953adc672521f74e40e51c35e31821d2 Mon Sep 17 00:00:00 2001
From: ysCha <yscha@interplug.co.kr>
Date: Mon, 19 Jan 2026 15:37:39 +0900
Subject: [PATCH] =?UTF-8?q?[1413]=20=EC=A7=80=EB=B6=95=EC=9E=AC=20?=
 =?UTF-8?q?=EB=AA=A9=EB=A1=9D=20api=20=ED=98=B8=EC=B6=9C=20=EB=8B=A4?=
 =?UTF-8?q?=EC=88=98=20=3D>=20=ED=95=9C=EB=B2=88?=
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---
 src/hooks/common/useMasterController.js | 26 ++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/src/hooks/common/useMasterController.js b/src/hooks/common/useMasterController.js
index f13d3e74..b46adc81 100644
--- a/src/hooks/common/useMasterController.js
+++ b/src/hooks/common/useMasterController.js
@@ -3,8 +3,11 @@ import { useMessage } from '@/hooks/useMessage'
 import { useSwal } from '@/hooks/useSwal'
 import { sessionStore } from '@/store/commonAtom'
 import { getQueryString } from '@/util/common-utils'
-import { useRecoilValue } from 'recoil'
+import { atom, useRecoilState, useRecoilValue } from 'recoil'
 
+
+// API 요청을 저장할 모듈 레벨 변수 (Hook 외부)
+let roofMaterialPromise = null;
 /**
  * 마스터 컨트롤러 훅
  * @returns
@@ -20,10 +23,23 @@ export function useMasterController() {
    * @returns
    */
   const getRoofMaterialList = async () => {
-    return await get({ url: '/api/v1/master/getRoofMaterialList' }).then((res) => {
-      // console.log('🚀🚀 ~ getRoofMaterialList ~ res:', res)
-      return res
-    })
+    // 1. 이미 진행 중이거나 완료된 Promise가 있으면 그것을 반환
+    if (roofMaterialPromise) {
+      return roofMaterialPromise;
+    }
+
+    // 2. 처음 호출될 때 Promise를 생성하여 변수에 할당
+    roofMaterialPromise = get({ url: '/api/v1/master/getRoofMaterialList' })
+      .then((res) => {
+        return res;
+      })
+      .catch((error) => {
+        // 에러 발생 시 다음 호출을 위해 초기화
+        roofMaterialPromise = null;
+        throw error;
+      });
+
+    return roofMaterialPromise;
   }
 
   /**