♻️ refactor: 모든기록 조회 API 발생쿼리 개선, 중복데이터 조회문제 해결

* ArgumentResolver에서 member검증을 진행하기에 서비스 레이어에선 검증쿼리 제거하기로 결정.
* 불필요한 join 삭제,커서 max값을 가져오는 쿼리를 동적쿼리로 변경해 쿼리횟수 1회 감소

src/main/java/com/dnd/dndtravel/map/repository/custom/MemberAttractionRepositoryImpl.java

@@ -7,6 +7,7 @@
 import java.util.List;
 import com.dnd.dndtravel.map.repository.dto.projection.RecordProjection;
 import com.querydsl.core.types.Projections;
+import com.querydsl.core.types.dsl.BooleanExpression;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 
 import lombok.RequiredArgsConstructor;
@@ -46,9 +47,11 @@ public List<RecordProjection> findAttractionRecords(long memberId, long cursorNo
 				attraction
 			))
 			.from(memberAttraction)
-			.join(member).on(memberAttraction.member.id.eq(memberId))
 			.join(attraction).on(memberAttraction.attraction.id.eq(attraction.id))
-			.where(memberAttraction.id.lt(cursorNo))
+			.where(
+				memberAttraction.member.id.eq(memberId),
+				ltCursorNo(cursorNo)
+			)
 			.orderBy(memberAttraction.id.desc())
 			.limit(displayPerPage)
 			.fetch();
@@ -61,4 +64,11 @@ public Long entireVisitCount(long memberId) {
 			.where(memberAttraction.member.id.eq(memberId))
 			.fetchOne();
 	}
+
+	private BooleanExpression ltCursorNo(Long cursorNo) {
+		if (cursorNo == null || cursorNo <= 0) {
+			return null; // 조건 없이 최신 데이터부터 조회
+		}
+		return memberAttraction.id.lt(cursorNo);
+	}
 }

src/main/java/com/dnd/dndtravel/map/repository/custom/PhotoRepositoryImpl.java

@@ -28,7 +28,6 @@ public List<AttractionPhotoProjection> findByRecordDtos(List<RecordProjection> r
 					memberAttraction.id,
 					photo.url))
 			.from(photo)
-			.join(photo.memberAttraction, memberAttraction)
 			.where(photo.memberAttraction.id.in(memberAttractionIds))
 			.fetch();
 	}

src/main/java/com/dnd/dndtravel/map/repository/dto/projection/RecordProjection.java

@@ -14,7 +14,6 @@
 @Getter
 public class RecordProjection {
 	private final long memberAttractionId;
-	private String attractionName;
 	private final String memo;
 	private final LocalDate visitDate;
 	private final String region;
@@ -39,7 +38,7 @@ public void inputPhotoUrls(List<AttractionPhotoProjection> attractionPhotoProjec
 		}
 	}
 
-	public void inputAttractionNames() {
-		this.attractionName = this.attraction.getName();
+	public String getAttractionName() {
+		return this.attraction.getName();
 	}
 }

src/main/java/com/dnd/dndtravel/map/service/MapService.java

@@ -91,23 +91,17 @@ public void recordAttraction(RecordDto recordDto, long memberId) {
 	// 모든 기록 조회
 	@Transactional(readOnly = true)
 	public AttractionRecordsResponse allRecords(long memberId, long cursorNo, int displayPerPage) {
-		//validation
-		Member member = memberRepository.findById(memberId).orElseThrow(() -> new MemberNotFoundException(memberId));
-		List<MemberAttraction> memberAttractions = memberAttractionRepository.findByMemberId(memberId);
-		if (memberAttractions.isEmpty()) {
+		//전체 방문 기록 수 조회
+		Long visitCount = memberAttractionRepository.entireVisitCount(memberId);
+
+		//방문기록이 없는경우
+		if (visitCount == 0) {
 			return new AttractionRecordsResponse(0, List.of());
 		}
 
-		// 첫 커서값인 경우
-		if (cursorNo <= 0) {
-			cursorNo = memberAttractionRepository.maxCursor(member.getId());
-		}
 		List<RecordProjection> attractionRecords = memberAttractionRepository.findAttractionRecords(memberId, cursorNo, displayPerPage);
-		Long visitCount = memberAttractionRepository.entireVisitCount(memberId);
 
-		// 명소명 저장
-		attractionRecords.forEach(RecordProjection::inputAttractionNames);
-		// 사진 URL 저장
+		//사진 URL 저장
 		setPhotoUrlsWithJoin(attractionRecords);
 
 		return new AttractionRecordsResponse(visitCount, attractionRecords.stream()