From 6532865664566d76cc020bec9b2e4da20cae1bc8 Mon Sep 17 00:00:00 2001
From: bbbang105 <2018111366@dgu.ac.kr>
Date: Mon, 10 Jun 2024 03:50:30 +0900
Subject: [PATCH] =?UTF-8?q?#16=20[feat]=20:=20=EB=B0=B1=ED=85=8C=EC=8A=A4?=
 =?UTF-8?q?=ED=8C=85=20=EA=B4=80=EB=A0=A8=20=EC=97=90=EB=9F=AC=20=EC=B2=98?=
 =?UTF-8?q?=EB=A6=AC=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
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---
 .../backend/exception/BackTestingErrorResult.java    |  4 +++-
 .../dgu/backend/service/BackTestingServiceImpl.java  | 12 ++++++++++--
 .../org/dgu/backend/service/CandleInfoUpdater.java   | 10 ++++++++++
 3 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/backend/src/main/java/org/dgu/backend/exception/BackTestingErrorResult.java b/backend/src/main/java/org/dgu/backend/exception/BackTestingErrorResult.java
index 3254c37..5f5a42a 100644
--- a/backend/src/main/java/org/dgu/backend/exception/BackTestingErrorResult.java
+++ b/backend/src/main/java/org/dgu/backend/exception/BackTestingErrorResult.java
@@ -9,7 +9,9 @@
 @Getter
 @RequiredArgsConstructor
 public enum BackTestingErrorResult implements BaseErrorCode {
-    NOT_FOUND_START_INDEX(HttpStatus.NOT_FOUND, "404", "시작 인덱스를 찾을 수 없습니다.");
+    NOT_FOUND_START_INDEX(HttpStatus.NOT_FOUND, "404", "시작 인덱스를 찾을 수 없습니다."),
+    START_DATE_AFTER_END_DATE(HttpStatus.BAD_REQUEST, "400", "시작일이 종료일보다 늦습니다."),
+    N_DAY_LONGER_THAN_M_DAY(HttpStatus.BAD_REQUEST, "400", "N일이 M일보다 큽니다.");
 
     private final HttpStatus httpStatus;
     private final String code;
diff --git a/backend/src/main/java/org/dgu/backend/service/BackTestingServiceImpl.java b/backend/src/main/java/org/dgu/backend/service/BackTestingServiceImpl.java
index 6bdb26b..d49ac45 100644
--- a/backend/src/main/java/org/dgu/backend/service/BackTestingServiceImpl.java
+++ b/backend/src/main/java/org/dgu/backend/service/BackTestingServiceImpl.java
@@ -4,8 +4,7 @@
 import lombok.RequiredArgsConstructor;
 import org.dgu.backend.domain.*;
 import org.dgu.backend.dto.BackTestingDto;
-import org.dgu.backend.exception.PortfolioErrorResult;
-import org.dgu.backend.exception.PortfolioException;
+import org.dgu.backend.exception.*;
 import org.dgu.backend.repository.*;
 import org.dgu.backend.util.CandleUtil;
 import org.dgu.backend.util.DateUtil;
@@ -53,8 +52,17 @@ protected BackTestingDto.BackTestingResponse fetchBackTestingResult(String autho
         Candle candle = candleRepository.findByCandleName(stepInfo.getCandleName());
         LocalDateTime startDate = dateUtil.convertToLocalDateTime(stepInfo.getStartDate());
         LocalDateTime endDate = dateUtil.convertToLocalDateTime(stepInfo.getEndDate());
+        if (startDate.isAfter(endDate)) {
+            throw new BackTestingException(BackTestingErrorResult.START_DATE_AFTER_END_DATE);
+        }
+        if (stepInfo.getNDate() > stepInfo.getMDate()) {
+            throw new BackTestingException(BackTestingErrorResult.N_DAY_LONGER_THAN_M_DAY);
+        }
 
         List<CandleInfo> candles = candleInfoRepository.findFilteredCandleInfo(market, candle, startDate, endDate);
+        if (candles.isEmpty()) {
+            throw new CandleException(CandleErrorResult.NOT_FOUND_CANDLES);
+        }
         candles = candleUtil.removeDuplicatedCandles(candles);
 
         // 골든 크로스 지점 찾기
diff --git a/backend/src/main/java/org/dgu/backend/service/CandleInfoUpdater.java b/backend/src/main/java/org/dgu/backend/service/CandleInfoUpdater.java
index 149dfdc..5a1a860 100644
--- a/backend/src/main/java/org/dgu/backend/service/CandleInfoUpdater.java
+++ b/backend/src/main/java/org/dgu/backend/service/CandleInfoUpdater.java
@@ -4,6 +4,10 @@
 import org.dgu.backend.domain.Candle;
 import org.dgu.backend.domain.CandleInfo;
 import org.dgu.backend.domain.Market;
+import org.dgu.backend.exception.CandleErrorResult;
+import org.dgu.backend.exception.CandleException;
+import org.dgu.backend.exception.MarketErrorResult;
+import org.dgu.backend.exception.MarketException;
 import org.dgu.backend.repository.CandleInfoRepository;
 import org.dgu.backend.repository.CandleRepository;
 import org.dgu.backend.repository.MarketRepository;
@@ -28,7 +32,13 @@ public class CandleInfoUpdater {
     // 현재 시각을 기준으로 캔들 정보를 최신화하는 메서드
     public void ensureCandleInfoUpToDate(String koreanName, String candleName) {
         Market market = marketRepository.findByKoreanName(koreanName);
+        if (Objects.isNull(market)) {
+            throw new MarketException(MarketErrorResult.NOT_FOUND_MARKET);
+        }
         Candle candle = candleRepository.findByCandleName(candleName);
+        if (Objects.isNull(candle)) {
+            throw new CandleException(CandleErrorResult.NOT_FOUND_CANDLE);
+        }
 
         // 가장 최근 캔들 차트
         CandleInfo latestCandleInfo = candleInfoRepository.findTopByMarketAndCandleOrderByTimestampDesc(market, candle);