🐛fix: WSPrice-approvalKeycache코드 추가

src/utils/WSPrice.js

@@ -1,11 +1,17 @@
 const axios = require('axios');
 const WebSocket = require('ws');
 require("dotenv").config();
-const app = require('../../app');
 const appkey = process.env.KIS_APP_KEY;
 const appsecret = process.env.KIS_SECRET_KEY;
 
+let approvalKeyCache = null;
+let approvalKeyExpiration = null;
+
 async function getApproval(key, secret) {
+    if (approvalKeyCache && approvalKeyExpiration > Date.now()) {
+        return approvalKeyCache;
+    }
+
     const url = 'https://openapi.koreainvestment.com:9443/oauth2/Approval';
     const headers = { "content-type": "application/json" };
     const body = {
@@ -16,16 +22,19 @@ async function getApproval(key, secret) {
 
     try {
         const response = await axios.post(url, body, { headers });
-        return response.data.approval_key;
+        approvalKeyCache = response.data.approval_key;
+        approvalKeyExpiration = Date.now() + 3600 * 1000; // Set expiration time (1 hour)
+        return approvalKeyCache;
     } catch (error) {
         console.error('Error getting approval key:', error.response ? error.response.data : error.message);
         return null;
     }
 }
+
 async function wsdata(ws, id) {
     const stockId = String(id);
-    const approvalKey = await getApproval(appkey,appsecret);
-   
+    const approvalKey = await getApproval(appkey, appsecret);
+
     const payload = {
         "header": {
             "approval_key": approvalKey,
@@ -91,18 +100,18 @@ async function wsdata(ws, id) {
         wsConnection.close();
     });
 }
-    function stockspurchase(data_cnt, data, ws) {
-
-        const menulist = "유가증권단축종목코드|주식체결시간|주식현재가|전일대비부호|전일대비|전일대비율|가중평균주식가격|주식시가|주식최고가|주식최저가|매도호가1|매수호가1|체결거래량|누적거래량|누적거래대금|매도체결건수|매수체결건수|순매수체결건수|체결강도|총매도수량|총매수수량|체결구분|매수비율|전일거래량대비등락율|시가시간|시가대비구분|시가대비|최고가시간|고가대비구분|고가대비|최저가시간|저가대비구분|저가대비|영업일자|신장운영구분코드|거래정지여부|매도호가잔량|매수호가잔량|총매도호가잔량|총매수호가잔량|거래량회전율|전일동시간누적거래량|전일동시간누적거래량비율|시간구분코드|임의종료구분코드|정적VI발동기준가";
-        const menustr = menulist.split('|');
-        const pValue = data.split('^');
-        const obj = {};
-        for (let i = 0; i < 6; i++) {
-            let menu = menustr[i];
-            obj[menu] = pValue[i];
-        }
-        ws.send(JSON.stringify(obj, null, 2));
-    }
 
+function stockspurchase(data_cnt, data, ws) {
+    const menulist = "유가증권단축종목코드|주식체결시간|주식현재가|전일대비부호|전일대비|전일대비율|가중평균주식가격|주식시가|주식최고가|주식최저가|매도호가1|매수호가1|체결거래량|누적거래량|누적거래대금|매도체결건수|매수체결건수|순매수체결건수|체결강도|총매도수량|총매수수량|체결구분|매수비율|전일거래량대비등락율|시가시간|시가대비구분|시가대비|최고가시간|고가대비구분|고가대비|최저가시간|저가대비구분|저가대비|영업일자|신장운영구분코드|거래정지여부|매도호가잔량|매수호가잔량|총매도호가잔량|총매수호가잔량|거래량회전율|전일동시간누적거래량|전일동시간누적거래량비율|시간구분코드|임의종료구분코드|정적VI발동기준가";
+    const menustr = menulist.split('|');
+    const pValue = data.split('^');
+    const obj = {};
+    for (let i = 0; i < 6; i++) {
+        let menu = menustr[i];
+        obj[menu] = pValue[i];
+    }
+    console.log(obj)
+    ws.send(JSON.stringify(obj, null, 2));
+}
 
-module.exports = {wsdata}
+module.exports = { wsdata }