[BE] 3.02 주식차트 정보 기능 구현 수정 #6

BE/src/app.module.ts

@@ -6,9 +6,9 @@ import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { AuthModule } from './auth/auth.module';
 import { User } from './auth/user.entity';
-import { StockIndexModule } from './stock/index/stock.index.module';
-import { StockTopfiveModule } from './stock/topfive/stock.topfive.module';
-import { KoreaInvestmentModule } from './koreaInvestment/korea.investment.module';
+import { StockIndexModule } from './stock/index/stock-index.module';
+import { StockTopfiveModule } from './stock/topfive/stock-topfive.module';
+import { KoreaInvestmentModule } from './koreaInvestment/korea-investment.module';
 import { SocketModule } from './websocket/socket.module';
 
 @Module({

BE/src/auth/auth.controller.ts

@@ -10,7 +10,7 @@ import {
 import { AuthGuard } from '@nestjs/passport';
 import { ApiOperation } from '@nestjs/swagger';
 import { AuthService } from './auth.service';
-import { AuthCredentialsDto } from './dto/authCredentials.dto';
+import { AuthCredentialsDto } from './dto/auth-credentials.dto';
 
 @Controller('auth')
 export class AuthController {

BE/src/auth/auth.service.ts

@@ -3,7 +3,7 @@ import { InjectRepository } from '@nestjs/typeorm';
 import { JwtService } from '@nestjs/jwt';
 import * as bcrypt from 'bcrypt';
 import { UserRepository } from './user.repository';
-import { AuthCredentialsDto } from './dto/authCredentials.dto';
+import { AuthCredentialsDto } from './dto/auth-credentials.dto';
 
 @Injectable()
 export class AuthService {

BE/src/auth/user.repository.ts

@@ -3,7 +3,7 @@ import { InjectDataSource } from '@nestjs/typeorm';
 import { DataSource, Repository } from 'typeorm';
 import * as bcrypt from 'bcrypt';
 import { User } from './user.entity';
-import { AuthCredentialsDto } from './dto/authCredentials.dto';
+import { AuthCredentialsDto } from './dto/auth-credentials.dto';
 
 @Injectable()
 export class UserRepository extends Repository<User> {

BE/src/koreaInvestment/interface/korea-investment.interface.ts

@@ -0,0 +1,6 @@
+export interface AccessTokenInterface {
+  access_token: string;
+  access_token_token_expired: string;
+  token_type: string;
+  expires_in: number;
+}

BE/src/koreaInvestment/korea.investment.module.ts → BE/src/koreaInvestment/korea-investment.module.ts

@@ -1,5 +1,5 @@
 import { Module } from '@nestjs/common';
-import { KoreaInvestmentService } from './korea.investment.service';
+import { KoreaInvestmentService } from './korea-investment.service';
 
 @Module({
   imports: [],

BE/src/koreaInvestment/korea.investment.service.ts → BE/src/koreaInvestment/korea-investment.service.ts

@@ -1,4 +1,7 @@
 import axios from 'axios';
+import { UnauthorizedException } from '@nestjs/common';
+import { getFullURL } from '../util/get-full-URL';
+import { AccessTokenInterface } from './interface/korea-investment.interface';
 
 export class KoreaInvestmentService {
   private accessToken: string;
@@ -9,19 +12,20 @@ export class KoreaInvestmentService {
     if (this.accessToken && this.tokenExpireTime > new Date()) {
       return this.accessToken;
     }
-    const response = await axios.post(
-      `${process.env.KOREA_INVESTMENT_BASE_URL}/oauth2/tokenP`,
-      {
+    const response = await axios
+      .post<AccessTokenInterface>(getFullURL('/oauth2/tokenP'), {
         grant_type: 'client_credentials',
         appkey: process.env.KOREA_INVESTMENT_APP_KEY,
         appsecret: process.env.KOREA_INVESTMENT_APP_SECRET,
-      },
-    );
+      })
+      .catch(() => {
+        throw new UnauthorizedException('액세스 토큰을 조회하지 못했습니다.');
+      });
 
     const { data } = response;
 
     this.accessToken = data.access_token;
-    this.tokenExpireTime = new Date(Date.now() + +data.expires_in);
+    this.tokenExpireTime = new Date(data.access_token_token_expired);
 
     return this.accessToken;
   }

BE/src/stock/index/dto/stock.index.list.chart.element.dto.ts → BE/src/stock/index/dto/stock-index-list-chart.element.dto.ts

@@ -1,14 +1,18 @@
 import { ApiProperty } from '@nestjs/swagger';
 
 export class StockIndexListChartElementDto {
-  constructor(time: string, value: string) {
+  constructor(time: string, value: string, diff: string) {
     this.time = time;
     this.value = value;
+    this.diff = diff;
   }
 
   @ApiProperty({ description: 'HHMMSS', example: '130500' })
   time: string;
 
   @ApiProperty({ description: '주가 지수' })
   value: string;
+
+  @ApiProperty({ description: '전일 대비 주가 지수' })
+  diff: string;
 }

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

@@ -0,0 +1,14 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { StockIndexValueElementDto } from './stock-index-value-element.dto';
+import { StockIndexListChartElementDto } from './stock-index-list-chart.element.dto';
+
+export class StockIndexResponseElementDto {
+  @ApiProperty({ description: '실시간 값', type: StockIndexValueElementDto })
+  value: StockIndexValueElementDto;
+
+  @ApiProperty({
+    description: '실시간 차트',
+    type: [StockIndexListChartElementDto],
+  })
+  chart: StockIndexListChartElementDto[];
+}

BE/src/stock/index/dto/stock.index.response.dto.ts → BE/src/stock/index/dto/stock-index-response.dto.ts

@@ -1,5 +1,5 @@
 import { ApiProperty } from '@nestjs/swagger';
-import { StockIndexResponseElementDto } from './stock.index.response.element.dto';
+import { StockIndexResponseElementDto } from './stock-index-response-element.dto';
 
 export class StockIndexResponseDto {
   @ApiProperty({

BE/src/stock/index/dto/stock.index.value.element.dto.ts → 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 → BE/src/stock/index/stock-index.controller.ts

@@ -1,9 +1,9 @@
 import { Controller, Get } from '@nestjs/common';
 import { ApiOperation, ApiResponse, ApiTags } from '@nestjs/swagger';
 import { Cron } from '@nestjs/schedule';
-import { StockIndexService } from './stock.index.service';
-import { StockIndexResponseDto } from './dto/stock.index.response.dto';
-import { KoreaInvestmentService } from '../../koreaInvestment/korea.investment.service';
+import { StockIndexService } from './stock-index.service';
+import { StockIndexResponseDto } from './dto/stock-index-response.dto';
+import { KoreaInvestmentService } from '../../koreaInvestment/korea-investment.service';
 import { SocketGateway } from '../../websocket/socket.gateway';
 
 @Controller('/api/stocks/index')
@@ -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.module.ts → BE/src/stock/index/stock-index.module.ts

@@ -1,7 +1,7 @@
 import { Module } from '@nestjs/common';
-import { StockIndexController } from './stock.index.controller';
-import { StockIndexService } from './stock.index.service';
-import { KoreaInvestmentModule } from '../../koreaInvestment/korea.investment.module';
+import { StockIndexController } from './stock-index.controller';
+import { StockIndexService } from './stock-index.service';
+import { KoreaInvestmentModule } from '../../koreaInvestment/korea-investment.module';
 import { SocketModule } from '../../websocket/socket.module';
 
 @Module({

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

@@ -0,0 +1,95 @@
+import { Injectable, InternalServerErrorException } from '@nestjs/common';
+import axios from 'axios';
+import { StockIndexListChartElementDto } from './dto/stock-index-list-chart.element.dto';
+import { StockIndexValueElementDto } from './dto/stock-index-value-element.dto';
+import {
+  StockIndexChartInterface,
+  StockIndexValueInterface,
+} from './interface/stock-index.interface';
+import { getFullURL } from '../../util/get-full-URL';
+import { getHeader } from '../../util/get-header';
+
+@Injectable()
+export class StockIndexService {
+  async getDomesticStockIndexListByCode(code: string, accessToken: string) {
+    const result = await this.requestDomesticStockIndexListApi(
+      code,
+      accessToken,
+    );
+
+    return result.output.map((element) => {
+      return new StockIndexListChartElementDto(
+        element.bsop_hour,
+        element.bstp_nmix_prpr,
+        element.bstp_nmix_prdy_vrss,
+      );
+    });
+  }
+
+  async getDomesticStockIndexValueByCode(code: string, accessToken: string) {
+    const result = await this.requestDomesticStockIndexValueApi(
+      code,
+      accessToken,
+    );
+
+    const data = result.output;
+
+    return new StockIndexValueElementDto(
+      data.bstp_nmix_prpr,
+      data.bstp_nmix_prdy_vrss,
+      data.bstp_nmix_prdy_ctrt,
+      data.prdy_vrss_sign,
+    );
+  }
+
+  private async requestDomesticStockIndexListApi(
+    code: string,
+    accessToken: string,
+  ) {
+    const response = await axios
+      .get<StockIndexChartInterface>(
+        getFullURL(
+          '/uapi/domestic-stock/v1/quotations/inquire-index-timeprice',
+        ),
+        {
+          headers: getHeader(accessToken, 'FHPUP02110200'),
+          params: {
+            fid_input_hour_1: 300,
+            fid_cond_mrkt_div_code: 'U',
+            fid_input_iscd: code,
+          },
+        },
+      )
+      .catch(() => {
+        throw new InternalServerErrorException(
+          '주가 지수 차트 정보를 조회하지 못했습니다.',
+        );
+      });
+
+    return response.data;
+  }
+
+  private async requestDomesticStockIndexValueApi(
+    code: string,
+    accessToken: string,
+  ) {
+    const response = await axios
+      .get<StockIndexValueInterface>(
+        getFullURL('/uapi/domestic-stock/v1/quotations/inquire-index-price'),
+        {
+          headers: getHeader(accessToken, 'FHPUP02100000'),
+          params: {
+            fid_cond_mrkt_div_code: 'U',
+            fid_input_iscd: code,
+          },
+        },
+      )
+      .catch(() => {
+        throw new InternalServerErrorException(
+          '주가 지수 값 정보를 조회하지 못했습니다.',
+        );
+      });
+
+    return response.data;
+  }
+}