대시보드 실시간 기능 추가

features/dashboard/utils/kis-index-realtime.utils.ts

@@ -0,0 +1,62 @@
+export interface KisRealtimeIndexTick {
+  symbol: string; // 업종코드 (0001: KOSPI, 1001: KOSDAQ)
+  price: number; // 현재가
+  change: number; // 전일대비
+  changeRate: number; // 전일대비율
+  sign: string; // 대비부호
+  time: string; // 체결시간
+}
+
+const INDEX_REALTIME_TR_ID = "H0UPCNT0";
+
+const INDEX_FIELD_INDEX = {
+  symbol: 0, // bstp_cls_code
+  time: 1, // bsop_hour
+  price: 2, // prpr_nmix
+  sign: 3, // prdy_vrss_sign
+  change: 4, // bstp_nmix_prdy_vrss
+  accumulatedVolume: 5, // acml_vol
+  accumulatedAmount: 6, // acml_tr_pbmn
+  changeRate: 9, // prdy_ctrt
+} as const;
+
+export function parseKisRealtimeIndexTick(
+  raw: string,
+): KisRealtimeIndexTick | null {
+  // Format: 0|H0UPCNT0|001|0001^123456^...
+  if (!/^([01])\|/.test(raw)) return null;
+
+  const parts = raw.split("|");
+  if (parts.length < 4) return null;
+
+  // Check TR ID
+  if (parts[1] !== INDEX_REALTIME_TR_ID) {
+    return null;
+  }
+
+  const values = parts[3].split("^");
+  if (values.length < 10) return null; // Ensure minimum fields exist
+
+  const symbol = values[INDEX_FIELD_INDEX.symbol];
+  const price = parseFloat(values[INDEX_FIELD_INDEX.price]);
+  const sign = values[INDEX_FIELD_INDEX.sign];
+  const changeRaw = parseFloat(values[INDEX_FIELD_INDEX.change]);
+  const changeRateRaw = parseFloat(values[INDEX_FIELD_INDEX.changeRate]);
+
+  // Adjust sign for negative values if necessary (usually API sends absolute values for change)
+  const isNegative = sign === "5" || sign === "4"; // 5: 하락, 4: 하한
+
+  const change = isNegative ? -Math.abs(changeRaw) : Math.abs(changeRaw);
+  const changeRate = isNegative
+    ? -Math.abs(changeRateRaw)
+    : Math.abs(changeRateRaw);
+
+  return {
+    symbol,
+    time: values[INDEX_FIELD_INDEX.time],
+    price,
+    change,
+    changeRate,
+    sign,
+  };
+}

features/dashboard/utils/kis-stock-realtime.utils.ts

@@ -0,0 +1,69 @@
+export interface KisRealtimeStockTick {
+  symbol: string; // 종목코드
+  time: string; // 체결시간
+  currentPrice: number; // 현재가
+  sign: string; // 전일대비부호 (1:상한, 2:상승, 3:보합, 4:하한, 5:하락)
+  change: number; // 전일대비
+  changeRate: number; // 전일대비율
+  accumulatedVolume: number; // 누적거래량
+}
+
+const STOCK_realtime_TR_ID = "H0STCNT0";
+
+// H0STCNT0 Output format indices based on typical KIS Realtime API
+// Format: MKSC_SHRN_ISCD^STCK_CNTG_HOUR^STCK_PRPR^PRDY_VRSS_SIGN^PRDY_VRSS^PRDY_CTRT^...
+const STOCK_FIELD_INDEX = {
+  symbol: 0, // MKSC_SHRN_ISCD
+  time: 1, // STCK_CNTG_HOUR
+  currentPrice: 2, // STCK_PRPR
+  sign: 3, // PRDY_VRSS_SIGN
+  change: 4, // PRDY_VRSS
+  changeRate: 5, // PRDY_CTRT
+  accumulatedVolume: 12, // ACML_VOL (Usually at index 12 or similar, need to be careful here)
+} as const;
+
+export function parseKisRealtimeStockTick(
+  raw: string,
+): KisRealtimeStockTick | null {
+  // Format: 0|H0STCNT0|001|SYMBOL^TIME^PRICE^SIGN^CHANGE^...
+  if (!/^([01])\|/.test(raw)) return null;
+
+  const parts = raw.split("|");
+  if (parts.length < 4) return null;
+
+  // Check TR ID
+  if (parts[1] !== STOCK_realtime_TR_ID) {
+    return null;
+  }
+
+  const values = parts[3].split("^");
+  if (values.length < 6) return null; // Ensure minimum fields exist
+
+  const symbol = values[STOCK_FIELD_INDEX.symbol];
+  const currentPrice = parseFloat(values[STOCK_FIELD_INDEX.currentPrice]);
+  const sign = values[STOCK_FIELD_INDEX.sign];
+  const changeRaw = parseFloat(values[STOCK_FIELD_INDEX.change]);
+  const changeRateRaw = parseFloat(values[STOCK_FIELD_INDEX.changeRate]);
+
+  // Adjust sign for negative values if necessary
+  const isNegative = sign === "5" || sign === "4"; // 5: 하락, 4: 하한
+
+  const change = isNegative ? -Math.abs(changeRaw) : Math.abs(changeRaw);
+  const changeRate = isNegative
+    ? -Math.abs(changeRateRaw)
+    : Math.abs(changeRateRaw);
+
+  // Validate numeric values
+  if (isNaN(currentPrice)) return null;
+
+  return {
+    symbol,
+    time: values[STOCK_FIELD_INDEX.time],
+    currentPrice,
+    sign,
+    change,
+    changeRate,
+    accumulatedVolume:
+      parseFloat(values[STOCK_FIELD_INDEX.accumulatedVolume]) || 0,
+  };
+}