fix: 인증된 참여자의 방 나가기 후 방 정보 불러오기 안되는 버그 해결

src/main/java/com/moabam/api/application/room/CertificationService.java

@@ -113,6 +113,14 @@ public Certification findCertification(Long certificationId) {
 			.orElseThrow(() -> new NotFoundException(CERTIFICATION_NOT_FOUND));
 	}
 
+	public List<Certification> findCertifications(List<Routine> routines) {
+		return certificationsSearchRepository.findCertificationsByRoutines(routines);
+	}
+
+	public void deleteCertifications(List<Certification> certifications) {
+		certificationRepository.deleteAll(certifications);
+	}
+
 	private void validateCertifyTime(LocalDateTime now, int certifyTime) {
 		LocalTime targetTime = LocalTime.of(certifyTime, 0);
 		LocalDateTime targetDateTime = LocalDateTime.of(now.toLocalDate(), targetTime);

src/main/java/com/moabam/api/application/room/RoomService.java

@@ -3,6 +3,7 @@
 import static com.moabam.api.domain.room.RoomType.*;
 import static com.moabam.global.error.model.ErrorMessage.*;
 
+import java.time.LocalTime;
 import java.util.List;
 
 import org.apache.commons.lang3.StringUtils;
@@ -14,10 +15,12 @@
 import com.moabam.api.application.room.mapper.RoomMapper;
 import com.moabam.api.application.room.mapper.RoutineMapper;
 import com.moabam.api.domain.member.Member;
+import com.moabam.api.domain.room.Certification;
 import com.moabam.api.domain.room.Participant;
 import com.moabam.api.domain.room.Room;
 import com.moabam.api.domain.room.RoomType;
 import com.moabam.api.domain.room.Routine;
+import com.moabam.api.domain.room.repository.DailyMemberCertificationRepository;
 import com.moabam.api.domain.room.repository.ParticipantRepository;
 import com.moabam.api.domain.room.repository.ParticipantSearchRepository;
 import com.moabam.api.domain.room.repository.RoomRepository;
@@ -43,6 +46,7 @@ public class RoomService {
 	private final RoutineRepository routineRepository;
 	private final ParticipantRepository participantRepository;
 	private final ParticipantSearchRepository participantSearchRepository;
+	private final DailyMemberCertificationRepository dailyMemberCertificationRepository;
 	private final CertificationService certificationService;
 	private final MemberService memberService;
 	private final ClockHolder clockHolder;
@@ -118,6 +122,9 @@ public void exitRoom(Long memberId, Long roomId) {
 		}
 
 		List<Routine> routines = routineRepository.findAllByRoomId(roomId);
+		List<Certification> certifications = certificationService.findCertifications(routines);
+
+		certificationService.deleteCertifications(certifications);
 		routineRepository.deleteAll(routines);
 		roomRepository.delete(room);
 	}
@@ -216,5 +223,10 @@ private void validateRoomExit(Participant participant, Room room) {
 		if (participant.isManager() && room.getCurrentUserCount() != 1) {
 			throw new BadRequestException(ROOM_EXIT_MANAGER_FAIL);
 		}
+
+		if (dailyMemberCertificationRepository.existsByMemberIdAndRoomIdAndCreatedAtBetween(participant.getMemberId(),
+			room.getId(), clockHolder.date().atStartOfDay(), clockHolder.date().atTime(LocalTime.MAX))) {
+			throw new BadRequestException(CERTIFIED_ROOM_EXIT_FAILED);
+		}
 	}
 }

src/main/java/com/moabam/api/application/room/SearchService.java

@@ -260,7 +260,7 @@ private List<TodayCertificateRankResponse> getTodayCertificateRankResponses(Long
 
 		List<TodayCertificateRankResponse> responses = new ArrayList<>();
 		List<Certification> certifications = certificationsSearchRepository.findCertifications(roomId, date);
-		List<Participant> participants = participantSearchRepository.findParticipantsByRoomId(roomId);
+		List<Participant> participants = participantSearchRepository.findAllParticipantsByRoomId(roomId);
 		List<Member> members = memberService.getRoomMembers(participants.stream()
 			.map(Participant::getMemberId)
 			.toList());

src/main/java/com/moabam/api/domain/room/repository/CertificationsSearchRepository.java

@@ -15,6 +15,7 @@
 import com.moabam.api.domain.room.Certification;
 import com.moabam.api.domain.room.DailyMemberCertification;
 import com.moabam.api.domain.room.DailyRoomCertification;
+import com.moabam.api.domain.room.Routine;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 
 import jakarta.persistence.LockModeType;
@@ -35,6 +36,14 @@ public List<Certification> findCertifications(Long roomId, LocalDate date) {
 			.fetch();
 	}
 
+	public List<Certification> findCertificationsByRoutines(List<Routine> routines) {
+		return jpaQueryFactory.selectFrom(certification)
+			.where(
+				certification.routine.in(routines)
+			)
+			.fetch();
+	}
+
 	public Optional<DailyMemberCertification> findDailyMemberCertification(Long memberId, Long roomId, LocalDate date) {
 		return Optional.ofNullable(jpaQueryFactory
 			.selectFrom(dailyMemberCertification)

src/main/java/com/moabam/api/domain/room/repository/ParticipantSearchRepository.java

@@ -44,6 +44,15 @@ public List<Participant> findParticipantsByRoomId(Long roomId) {
 			.fetch();
 	}
 
+	public List<Participant> findAllParticipantsByRoomId(Long roomId) {
+		return jpaQueryFactory
+			.selectFrom(participant)
+			.where(
+				participant.room.id.eq(roomId)
+			)
+			.fetch();
+	}
+
 	public List<Participant> findNotDeletedParticipantsByMemberId(Long memberId) {
 		return jpaQueryFactory
 			.selectFrom(participant)

src/main/java/com/moabam/global/error/model/ErrorMessage.java

@@ -33,6 +33,7 @@ public enum ErrorMessage {
 	PARTICIPANT_DEPORT_ERROR("방장은 자신을 추방할 수 없습니다."),
 	IMAGE_CONVERT_FAIL("이미지 변환을 실패했습니다."),
 	UNAVAILABLE_TO_CHANGE_CERTIFY_TIME("이미 한명 이상이 인증을 하면 인증 시간을 바꿀 수 없습니다."),
+	CERTIFIED_ROOM_EXIT_FAILED("오늘 인증한 방은 나갈 수 없습니다."),
 
 	LOGIN_FAILED("로그인에 실패했습니다."),
 	LOGIN_FAILED_ADMIN_KEY("어드민키가 달라요"),