[BE] 3.02 주식차트 정보 기능 구현 수정 #6

BE/src/stock/index/dto/stock.index.response.element.dto.ts

@@ -1,16 +1,14 @@
 import { ApiProperty } from '@nestjs/swagger';
 import { StockIndexValueElementDto } from './stock.index.value.element.dto';
-import { StockIndexListElementDto } from './stock.index.list.element.dto';
+import { StockIndexListChartElementDto } from './stock.index.list.chart.element.dto';
 
 export class StockIndexResponseElementDto {
-  @ApiProperty({
-    description: '코스피: 0001, 코스닥: 1001, 코스피200: 2001, KSQ150: 3003',
-  })
-  code: string;
-
   @ApiProperty({ description: '실시간 값', type: StockIndexValueElementDto })
   value: StockIndexValueElementDto;
 
-  @ApiProperty({ description: '실시간 차트', type: StockIndexListElementDto })
-  chart: StockIndexListElementDto;
+  @ApiProperty({
+    description: '실시간 차트',
+    type: [StockIndexListChartElementDto],
+  })
+  chart: StockIndexListChartElementDto[];
 }

BE/src/stock/index/dto/stock.index.value.element.dto.ts

@@ -1,33 +1,21 @@
 import { ApiProperty } from '@nestjs/swagger';
 
 export class StockIndexValueElementDto {
-  constructor(
-    code: string,
-    value: string,
-    diff: string,
-    diffRate: string,
-    sign: string,
-  ) {
-    this.code = code;
-    this.value = value;
+  constructor(value: string, diff: string, diffRate: string, sign: string) {
+    this.curr_value = value;
     this.diff = diff;
-    this.diffRate = diffRate;
+    this.diff_rate = diffRate;
     this.sign = sign;
   }
 
-  @ApiProperty({
-    description: '코스피: 0001, 코스닥: 1001, 코스피200: 2001, KSQ150: 3003',
-  })
-  code: string;
-
   @ApiProperty({ description: '주가 지수' })
-  value: string;
+  curr_value: string;
 
   @ApiProperty({ description: '전일 대비 등락' })
   diff: string;
 
   @ApiProperty({ description: '전일 대비 등락률' })
-  diffRate: string;
+  diff_rate: string;
 
   @ApiProperty({ description: '부호... 인데 추후에 알아봐야 함' })
   sign: string;

BE/src/stock/index/stock.index.controller.ts

@@ -70,22 +70,18 @@ export class StockIndexController {
 
     const stockIndexResponse = new StockIndexResponseDto();
     stockIndexResponse.KOSPI = {
-      code: '0001',
       value: kospiValue,
       chart: kospiChart,
     };
     stockIndexResponse.KOSDAQ = {
-      code: '1001',
       value: kosdaqValue,
       chart: kosdaqChart,
     };
     stockIndexResponse.KOSPI200 = {
-      code: '2001',
       value: kospi200Value,
       chart: kospi200Chart,
     };
     stockIndexResponse.KSQ150 = {
-      code: '3003',
       value: ksq150Value,
       chart: ksq150Chart,
     };
@@ -115,6 +111,11 @@ export class StockIndexController {
       ), // KSQ150
     ]);
 
-    this.socketGateway.sendStockIndexListToClient(stockLists);
+    this.socketGateway.sendStockIndexListToClient({
+      KOSPI: stockLists[0],
+      KOSDAQ: stockLists[1],
+      KOSPI200: stockLists[2],
+      KSQ150: stockLists[3],
+    });
   }
 }

BE/src/stock/index/stock.index.service.ts

@@ -1,7 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import axios from 'axios';
 import { StockIndexListChartElementDto } from './dto/stock.index.list.chart.element.dto';
-import { StockIndexListElementDto } from './dto/stock.index.list.element.dto';
 import { StockIndexValueElementDto } from './dto/stock.index.value.element.dto';
 import {
   StockIndexChartInterface,
@@ -21,15 +20,12 @@ export class StockIndexService {
     if (result.rt_cd !== '0')
       throw new Error('데이터를 정상적으로 조회하지 못했습니다.');
 
-    return new StockIndexListElementDto(
-      code,
-      result.output.map((element) => {
-        return new StockIndexListChartElementDto(
-          element.bsop_hour,
-          element.bstp_nmix_prpr,
-        );
-      }),
-    );
+    return result.output.map((element) => {
+      return new StockIndexListChartElementDto(
+        element.bsop_hour,
+        element.bstp_nmix_prpr,
+      );
+    });
   }
 
   async getDomesticStockIndexValueByCode(code: string, accessToken: string) {
@@ -44,7 +40,6 @@ export class StockIndexService {
     const data = result.output;
 
     return new StockIndexValueElementDto(
-      code,
       data.bstp_nmix_prpr,
       data.bstp_nmix_prdy_vrss,
       data.bstp_nmix_prdy_ctrt,

BE/src/websocket/socket.gateway.ts

@@ -6,11 +6,11 @@ export class SocketGateway {
   @WebSocketServer()
   private server: Server;
 
-  sendStockIndexListToClient(stockIndex) {
-    this.server.emit('index', stockIndex);
+  sendStockIndexListToClient(stockChart) {
+    this.server.emit('chart', stockChart);
   }
 
-  sendStockIndexValueToClient(stockIndexValue) {
-    this.server.emit('indexValue', stockIndexValue);
+  sendStockIndexValueToClient(event, stockIndexValue) {
+    this.server.emit(event, stockIndexValue);
   }
 }

BE/src/websocket/socket.service.ts

@@ -13,6 +13,13 @@ export class SocketService implements OnModuleInit {
     H0UPCNT0: this.handleStockIndexValue.bind(this),
   };
 
+  private STOCK_CODE = {
+    '0001': 'KOSPI',
+    '1001': 'KOSDAQ',
+    '2001': 'KOSPI200',
+    '3003': 'KSQ150',
+  };
+
   constructor(private readonly socketGateway: SocketGateway) {}
 
   async onModuleInit() {
@@ -41,8 +48,8 @@ export class SocketService implements OnModuleInit {
   private handleStockIndexValue(responseData: string) {
     const responseList = responseData.split('^');
     this.socketGateway.sendStockIndexValueToClient(
+      this.STOCK_CODE[responseList[0]],
       new StockIndexValueElementDto(
-        responseList[0],
         responseList[2],
         responseList[4],
         responseList[9],