차트 수정

app/api/kis/domestic/orderbook/route.ts

@@ -9,6 +9,10 @@ import {
   hasKisConfig,
   normalizeTradingEnv,
 } from "@/lib/kis/config";
+import {
+  DOMESTIC_KIS_SESSION_OVERRIDE_HEADER,
+  parseDomesticKisSession,
+} from "@/lib/kis/domestic-market-session";
 
 /**
  * @file app/api/kis/domestic/orderbook/route.ts
@@ -38,15 +42,22 @@ export async function GET(request: NextRequest) {
   }
 
   try {
-    const raw = await getDomesticOrderBook(symbol, credentials);
+    const sessionOverride = readSessionOverrideFromHeaders(request.headers);
+    const raw = await getDomesticOrderBook(symbol, credentials, {
+      sessionOverride,
+    });
 
     const levels = Array.from({ length: 10 }, (_, i) => {
       const idx = i + 1;
       return {
-        askPrice: readOrderBookNumber(raw, `askp${idx}`),
-        bidPrice: readOrderBookNumber(raw, `bidp${idx}`),
-        askSize: readOrderBookNumber(raw, `askp_rsqn${idx}`),
-        bidSize: readOrderBookNumber(raw, `bidp_rsqn${idx}`),
+        askPrice: readOrderBookNumber(raw, `askp${idx}`, `ovtm_untp_askp${idx}`),
+        bidPrice: readOrderBookNumber(raw, `bidp${idx}`, `ovtm_untp_bidp${idx}`),
+        askSize: readOrderBookNumber(
+          raw,
+          `askp_rsqn${idx}`,
+          `ovtm_untp_askp_rsqn${idx}`,
+        ),
+        bidSize: readOrderBookNumber(raw, ...resolveBidSizeKeys(idx)),
       };
     });
 
@@ -54,8 +65,20 @@ export async function GET(request: NextRequest) {
       symbol,
       source: "kis",
       levels,
-      totalAskSize: readOrderBookNumber(raw, "total_askp_rsqn"),
-      totalBidSize: readOrderBookNumber(raw, "total_bidp_rsqn"),
+      totalAskSize: readOrderBookNumber(
+        raw,
+        "total_askp_rsqn",
+        "ovtm_untp_total_askp_rsqn",
+        "ovtm_total_askp_rsqn",
+      ),
+      totalBidSize: readOrderBookNumber(
+        raw,
+        "total_bidp_rsqn",
+        "ovtm_untp_total_bidp_rsqn",
+        "ovtm_total_bidp_rsqn",
+      ),
+      businessHour: readOrderBookString(raw, "bsop_hour", "ovtm_untp_last_hour"),
+      hourClassCode: readOrderBookString(raw, "hour_cls_code"),
       tradingEnv: normalizeTradingEnv(credentials.tradingEnv),
       fetchedAt: new Date().toISOString(),
     };
@@ -88,15 +111,19 @@ function readKisCredentialsFromHeaders(headers: Headers): KisCredentialInput {
   };
 }
 
+function readSessionOverrideFromHeaders(headers: Headers) {
+  if (process.env.NODE_ENV === "production") return null;
+  const raw = headers.get(DOMESTIC_KIS_SESSION_OVERRIDE_HEADER);
+  return parseDomesticKisSession(raw);
+}
+
 /**
  * @description 호가 응답 필드를 대소문자 모두 허용해 숫자로 읽습니다.
  * @see app/api/kis/domestic/orderbook/route.ts GET에서 output/output1 키 차이 방어 로직으로 사용합니다.
  */
-function readOrderBookNumber(raw: KisDomesticOrderBookOutput, key: string) {
+function readOrderBookNumber(raw: KisDomesticOrderBookOutput, ...keys: string[]) {
   const record = raw as Record<string, unknown>;
-  const direct = record[key];
-  const upper = record[key.toUpperCase()];
-  const value = direct ?? upper ?? "0";
+  const value = resolveOrderBookValue(record, keys) ?? "0";
   const normalized =
     typeof value === "string"
       ? value.replaceAll(",", "").trim()
@@ -104,3 +131,35 @@ function readOrderBookNumber(raw: KisDomesticOrderBookOutput, key: string) {
   const parsed = Number(normalized);
   return Number.isFinite(parsed) ? parsed : 0;
 }
+
+/**
+ * @description 호가 응답 필드를 문자열로 읽습니다.
+ * @see app/api/kis/domestic/orderbook/route.ts GET 응답 생성 시 businessHour/hourClassCode 추출
+ */
+function readOrderBookString(raw: KisDomesticOrderBookOutput, ...keys: string[]) {
+  const record = raw as Record<string, unknown>;
+  const value = resolveOrderBookValue(record, keys);
+  if (value === undefined || value === null) return undefined;
+  const text = String(value).trim();
+  return text.length > 0 ? text : undefined;
+}
+
+function resolveOrderBookValue(record: Record<string, unknown>, keys: string[]) {
+  for (const key of keys) {
+    const direct = record[key];
+    if (direct !== undefined && direct !== null) return direct;
+
+    const upper = record[key.toUpperCase()];
+    if (upper !== undefined && upper !== null) return upper;
+  }
+
+  return undefined;
+}
+
+function resolveBidSizeKeys(index: number) {
+  if (index === 2) {
+    return [`bidp_rsqn${index}`, `ovtm_untp_bidp_rsqn${index}`, "ovtm_untp_bidp_rsqn"];
+  }
+
+  return [`bidp_rsqn${index}`, `ovtm_untp_bidp_rsqn${index}`];
+}