[feat] : 비트코인 1분봉 차트 조회 API 구현 (GET)

backend/src/main/java/org/dgu/backend/common/constant/SuccessStatus.java

@@ -37,6 +37,7 @@ public enum SuccessStatus implements BaseCode {
     SUCCESS_GET_USER_COINS(HttpStatus.OK, "200", "유저 보유 코인 조회에 성공했습니다"),
     SUCCESS_GET_REPRESENTATIVE_COINS(HttpStatus.OK, "200", "대표 코인 조회에 성공했습니다"),
     SUCCESS_GET_BITCOIN_DAY_CHARTS(HttpStatus.OK, "200", "비트코인 일봉 차트 조회에 성공했습니다"),
+    SUCCESS_GET_BITCOIN_ONE_MINUTE_CHARTS(HttpStatus.OK, "200", "비트코인 1분봉 차트 조회에 성공했습니다"),
     // Upbit-Key
     SUCCESS_ADD_UPBIT_KEYS(HttpStatus.CREATED, "201", "업비트 키 등록에 성공했습니다"),
     // Chart

backend/src/main/java/org/dgu/backend/controller/ChartController.java

@@ -22,7 +22,7 @@ public ResponseEntity<ApiResponse<List<ChartDto.OHLCVResponse>>> getOHLCVCharts(
             @RequestParam("coin_name") String koreanName,
             @RequestParam("candle_name") String candleName) {
 
-        List<ChartDto.OHLCVResponse> ohlcvResponses = chartService.getOHLCVCharts(koreanName, candleName);
+        List<ChartDto.OHLCVResponse> ohlcvResponses = chartService.getOHLCVCharts(koreanName, candleName, null);
         return ApiResponse.onSuccess(SuccessStatus.SUCCESS_GET_OHLCV_CHART, ohlcvResponses);
     }
 

backend/src/main/java/org/dgu/backend/controller/DashBoardController.java

@@ -7,9 +7,11 @@
 import org.dgu.backend.dto.DashBoardDto;
 import org.dgu.backend.service.ChartService;
 import org.dgu.backend.service.DashBoardService;
+import org.dgu.backend.util.DateUtil;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
+import java.time.LocalDateTime;
 import java.util.List;
 
 @RestController
@@ -18,6 +20,7 @@
 public class DashBoardController {
     private final DashBoardService dashBoardService;
     private final ChartService chartService;
+    private final DateUtil dateUtil;
 
     // 유저 업비트 잔고 조회 API
     @GetMapping("/accounts")
@@ -46,10 +49,19 @@ public ResponseEntity<ApiResponse<List<DashBoardDto.RepresentativeCoinResponse>>
     }
 
     // 비트코인 차트 (일봉) 조회 API
-    @GetMapping("/bit-charts")
+    @GetMapping("/bit-charts/days")
     public ResponseEntity<ApiResponse<List<ChartDto.OHLCVResponse>>> getBitcoinDayCharts() {
 
-        List<ChartDto.OHLCVResponse> ohlcvResponses = chartService.getOHLCVCharts("비트코인", "days");
+        List<ChartDto.OHLCVResponse> ohlcvResponses = chartService.getOHLCVCharts("비트코인", "days", null);
         return ApiResponse.onSuccess(SuccessStatus.SUCCESS_GET_BITCOIN_DAY_CHARTS, ohlcvResponses);
     }
+
+    // 비트코인 차트 (1분봉) 조회 API
+    @GetMapping("/bit-charts/minutes1")
+    public ResponseEntity<ApiResponse<List<ChartDto.OHLCVResponse>>> getBitcoinOneMinuteCharts() {
+
+        LocalDateTime startDate = dateUtil.calculateDailyStartDate();
+        List<ChartDto.OHLCVResponse> ohlcvResponses = chartService.getOHLCVCharts("비트코인", "minutes1", startDate);
+        return ApiResponse.onSuccess(SuccessStatus.SUCCESS_GET_BITCOIN_ONE_MINUTE_CHARTS, ohlcvResponses);
+    }
 }

backend/src/main/java/org/dgu/backend/service/BackTestingServiceImpl.java

@@ -34,15 +34,15 @@ public class BackTestingServiceImpl implements BackTestingService {
     // 백테스팅 결과를 생성하는 메서드
     @Override
     public BackTestingDto.BackTestingResponse createBackTestingResult(String authorizationHeader, BackTestingDto.StepInfo stepInfo) {
-        updateCandleInfo("비트코인", stepInfo.getCandleName());
+        updateCandleInfo("비트코인", stepInfo.getCandleName(), null);
 
         return fetchBackTestingResult(authorizationHeader, stepInfo);
     }
 
     // 캔들 정보 최신화 메서드
     @Transactional
-    protected void updateCandleInfo(String koreanName, String candleName) {
-        candleInfoUpdater.ensureCandleInfoUpToDate(koreanName, candleName);
+    protected void updateCandleInfo(String koreanName, String candleName, LocalDateTime startDate) {
+        candleInfoUpdater.ensureCandleInfoUpToDate(koreanName, candleName, startDate);
     }
 
     // 최신화된 캔들 정보를 사용해 백테스팅 결과를 생성하는 메서드

backend/src/main/java/org/dgu/backend/service/CandleInfoUpdater.java

@@ -30,7 +30,7 @@ public class CandleInfoUpdater {
     private final DateUtil dateUtil;
 
     // 현재 시각을 기준으로 캔들 정보를 최신화하는 메서드
-    public void ensureCandleInfoUpToDate(String koreanName, String candleName) {
+    public void ensureCandleInfoUpToDate(String koreanName, String candleName, LocalDateTime startDate) {
         Market market = marketRepository.findByKoreanName(koreanName);
         if (Objects.isNull(market)) {
             throw new MarketException(MarketErrorResult.NOT_FOUND_MARKET);
@@ -40,16 +40,17 @@ public void ensureCandleInfoUpToDate(String koreanName, String candleName) {
             throw new CandleException(CandleErrorResult.NOT_FOUND_CANDLE);
         }
 
-        // 가장 최근 캔들 차트
-        CandleInfo latestCandleInfo = candleInfoRepository.findTopByMarketAndCandleOrderByTimestampDesc(market, candle);
-        int candleInterval = candleUtil.calculateCandleInterval(candleName);
-        LocalDateTime startDate;
-        if (Objects.isNull(latestCandleInfo)) {
-            startDate = dateUtil.convertToLocalDateTime("2018-01-01T00:00:00");
-        } else {
-            startDate = latestCandleInfo.getDateTime();
-            if (startDate.plusMinutes(candleInterval).isAfter(LocalDateTime.now())) {
-                return;
+        if (Objects.isNull(startDate)) {
+            // 가장 최근 캔들 차트
+            CandleInfo latestCandleInfo = candleInfoRepository.findTopByMarketAndCandleOrderByTimestampDesc(market, candle);
+            int candleInterval = candleUtil.calculateCandleInterval(candleName);
+            if (Objects.isNull(latestCandleInfo)) {
+                startDate = dateUtil.convertToLocalDateTime("2018-01-01T00:00:00");
+            } else {
+                startDate = latestCandleInfo.getDateTime();
+                if (startDate.plusMinutes(candleInterval).isAfter(LocalDateTime.now())) {
+                    return;
+                }
             }
         }
 

backend/src/main/java/org/dgu/backend/service/ChartService.java

@@ -2,9 +2,10 @@
 
 import org.dgu.backend.dto.ChartDto;
 
+import java.time.LocalDateTime;
 import java.util.List;
 
 public interface ChartService {
-    List<ChartDto.OHLCVResponse> getOHLCVCharts(String koreanName, String candleType);
+    List<ChartDto.OHLCVResponse> getOHLCVCharts(String koreanName, String candleType, LocalDateTime startDate);
     List<ChartDto.ChartOptionResponse> getAllChartOptions();
 }

backend/src/main/java/org/dgu/backend/service/ChartServiceImpl.java

@@ -29,10 +29,10 @@ public class ChartServiceImpl implements ChartService {
 
     // OHLCV 차트를 반환하는 메서드
     @Override
-    public List<ChartDto.OHLCVResponse> getOHLCVCharts(String koreanName, String candleName) {
-        updateCandleInfo(koreanName, candleName);
+    public List<ChartDto.OHLCVResponse> getOHLCVCharts(String koreanName, String candleName, LocalDateTime startDate) {
+        updateCandleInfo(koreanName, candleName, startDate);
 
-        return fetchUpdatedCandleInfo(koreanName, candleName);
+        return fetchUpdatedCandleInfo(koreanName, candleName, startDate);
     }
 
     // 차트 선택 지표 목록을 반환하는 메서드
@@ -55,13 +55,13 @@ public List<ChartDto.ChartOptionResponse> getAllChartOptions() {
 
     // 캔들 정보 최신화 메서드
     @Transactional
-    protected void updateCandleInfo(String koreanName, String candleName) {
-        candleInfoUpdater.ensureCandleInfoUpToDate(koreanName, candleName);
+    protected void updateCandleInfo(String koreanName, String candleName, LocalDateTime startDate) {
+        candleInfoUpdater.ensureCandleInfoUpToDate(koreanName, candleName, startDate);
     }
 
     // 최신화된 캔들 정보를 반환하는 메서드
     @Transactional
-    protected List<ChartDto.OHLCVResponse> fetchUpdatedCandleInfo(String koreanName, String candleName) {
+    protected List<ChartDto.OHLCVResponse> fetchUpdatedCandleInfo(String koreanName, String candleName, LocalDateTime startDate) {
         Market market = marketRepository.findByKoreanName(koreanName);
         if (Objects.isNull(market)) {
             throw new MarketException(MarketErrorResult.NOT_FOUND_MARKET);
@@ -70,7 +70,9 @@ protected List<ChartDto.OHLCVResponse> fetchUpdatedCandleInfo(String koreanName,
         if (Objects.isNull(candle)) {
             throw new CandleException(CandleErrorResult.NOT_FOUND_CANDLE);
         }
-        LocalDateTime startDate = candleUtil.getStartDateByCandleName(candleName);
+        if (Objects.isNull(startDate)) {
+            startDate = candleUtil.getStartDateByCandleName(candleName);
+        }
 
         List<CandleInfo> candleInfos = candleInfoRepository.findByMarketAndCandleAndDateTimeAfter(market, candle, startDate);
         if (candleInfos.isEmpty()) {

backend/src/main/java/org/dgu/backend/util/DateUtil.java

@@ -3,6 +3,7 @@
 import org.springframework.stereotype.Component;
 
 import java.time.LocalDateTime;
+import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 
 @Component
@@ -12,4 +13,18 @@ public class DateUtil {
     public LocalDateTime convertToLocalDateTime(String date) {
         return LocalDateTime.parse(date, FORMATTER);
     }
+
+    public LocalDateTime calculateDailyStartDate() {
+        LocalDateTime now = LocalDateTime.now();
+        LocalDateTime startDate;
+
+        // 현재 시간이 오전 9시 이전이면 전날 오전 9시부터 필터링
+        if (now.toLocalTime().isBefore(LocalTime.of(9, 0))) {
+            startDate = now.minusDays(1).withHour(0).withMinute(0).withSecond(0).withNano(0);
+        } else {
+            startDate = now.withHour(0).withMinute(0).withSecond(0).withNano(0);
+        }
+
+        return startDate;
+    }
 }