스킬 정리 및 리팩토링

app/api/kis/validate/route.ts

@@ -6,6 +6,11 @@ import {
 } from "@/lib/kis/request";
 import { getKisAccessToken } from "@/lib/kis/token";
 import { hasKisApiSession } from "@/app/api/kis/_session";
+import {
+  createKisApiErrorResponse,
+  KIS_API_ERROR_CODE,
+  toKisApiErrorMessage,
+} from "@/app/api/kis/_response";
 import { NextRequest, NextResponse } from "next/server";
 
 /**
@@ -23,26 +28,22 @@ export async function POST(request: NextRequest) {
 
   const hasSession = await hasKisApiSession();
   if (!hasSession) {
-    return NextResponse.json(
-      {
-        ok: false,
-        tradingEnv,
-        message: "로그인이 필요합니다.",
-      } satisfies DashboardKisValidateResponse,
-      { status: 401 },
-    );
+    return createKisApiErrorResponse({
+      status: 401,
+      code: KIS_API_ERROR_CODE.AUTH_REQUIRED,
+      message: "로그인이 필요합니다.",
+      tradingEnv,
+    });
   }
 
   const invalidMessage = validateKisCredentialInput(credentials);
   if (invalidMessage) {
-    return NextResponse.json(
-      {
-        ok: false,
-        tradingEnv,
-        message: invalidMessage,
-      } satisfies DashboardKisValidateResponse,
-      { status: 400 },
-    );
+    return createKisApiErrorResponse({
+      status: 400,
+      code: KIS_API_ERROR_CODE.INVALID_REQUEST,
+      message: invalidMessage,
+      tradingEnv,
+    });
   }
 
   try {
@@ -54,18 +55,11 @@ export async function POST(request: NextRequest) {
       message: "API 키 검증이 완료되었습니다. (토큰 발급 성공)",
     } satisfies DashboardKisValidateResponse);
   } catch (error) {
-    const message =
-      error instanceof Error
-        ? error.message
-        : "API 키 검증 중 오류가 발생했습니다.";
-
-    return NextResponse.json(
-      {
-        ok: false,
-        tradingEnv,
-        message,
-      } satisfies DashboardKisValidateResponse,
-      { status: 401 },
-    );
+    return createKisApiErrorResponse({
+      status: 401,
+      code: KIS_API_ERROR_CODE.UNAUTHORIZED,
+      message: toKisApiErrorMessage(error, "API 키 검증 중 오류가 발생했습니다."),
+      tradingEnv,
+    });
   }
 }