[fix] : 이벤트 생성자도 스케줄 등록 이전에는 참여자로 포함되지 않는다

src/main/java/side/onetime/dto/EventDto.java

@@ -159,6 +159,7 @@ public void updateEndTime(String endTime) {
     @JsonInclude(JsonInclude.Include.NON_NULL)
     public static class GetUserParticipatedEventsResponse {
         private UUID eventId;
+        private Category category;
         private String title;
         private String createdDate;
         private int participantCount;
@@ -168,6 +169,7 @@ public static class GetUserParticipatedEventsResponse {
         public static GetUserParticipatedEventsResponse of(Event event, EventParticipation eventParticipation, int participantCount, List<GetMostPossibleTime> mostPossibleTimes) {
             return GetUserParticipatedEventsResponse.builder()
                     .eventId(event.getEventId())
+                    .category(event.getCategory())
                     .title(event.getTitle())
                     .createdDate(String.valueOf(event.getCreatedDate()))
                     .participantCount(participantCount)

src/main/java/side/onetime/repository/SelectionRepository.java

@@ -12,4 +12,6 @@ public interface SelectionRepository extends JpaRepository<Selection, Long> {
     void deleteAllByUserAndScheduleIn(User user, List<Schedule> schedules);
     @Query("SELECT s FROM Selection s JOIN FETCH s.schedule sc WHERE sc.event = :event")
     List<Selection> findAllSelectionsByEvent(@Param("event") Event event);
+    @Query("SELECT COUNT(s) > 0 FROM Selection s WHERE s.user = :user AND s.schedule.event = :event")
+    boolean existsByUserAndEventSchedules(@Param("user") User user, @Param("event") Event event);
 }

src/main/java/side/onetime/service/EventService.java

@@ -25,7 +25,6 @@ public class EventService {
     private static final int MAX_MOST_POSSIBLE_TIMES_SIZE = 6;
     private final EventRepository eventRepository;
     private final EventParticipationRepository eventParticipationRepository;
-    private final MemberRepository memberRepository;
     private final ScheduleRepository scheduleRepository;
     private final SelectionRepository selectionRepository;
     private final JwtUtil jwtUtil;
@@ -135,6 +134,13 @@ public EventDto.GetParticipantsResponse getParticipants(String eventId) {
         // 이벤트에 참여하는 모든 유저
         List<EventParticipation> eventParticipations = eventParticipationRepository.findAllByEvent(event);
         List<User> users = eventParticipations.stream()
+                .filter(eventParticipation -> {
+                    // CREATOR일 경우, 스케줄 등록을 했는지 확인
+                    if (eventParticipation.getEventStatus() == EventStatus.CREATOR) {
+                        return selectionRepository.existsByUserAndEventSchedules(eventParticipation.getUser(), eventParticipation.getEvent());
+                    }
+                    return true;
+                })
                 .map(EventParticipation::getUser)
                 .toList();
 
@@ -155,11 +161,15 @@ public List<EventDto.GetMostPossibleTime> getMostPossibleTime(String eventId) {
 
         // 이벤트에 참여하는 모든 유저
         List<EventParticipation> eventParticipations = eventParticipationRepository.findAllByEvent(event);
-        List<User> users = eventParticipations.stream()
+
+        EventDto.GetParticipantsResponse getParticipantsResponse = getParticipants(eventId);
+        List<String> participantNames = getParticipantsResponse.getNames();
+
+        // 유저 필터링: 참여자 목록에 있는 유저만 포함
+        List<String> allUserNicknames = eventParticipations.stream()
                 .map(EventParticipation::getUser)
-                .toList();
-        List<String> allUserNicknames = users.stream()
                 .map(User::getNickname)
+                .filter(participantNames::contains)
                 .toList();
 
         List<Selection> selections = selectionRepository.findAllSelectionsByEvent(event);
@@ -264,10 +274,11 @@ public List<EventDto.GetUserParticipatedEventsResponse> getUserParticipatedEvent
                         .reversed()) // 최신순으로 정렬
                 .map(eventParticipation -> {
                     Event event = eventParticipation.getEvent();
-                    int memberCount = memberRepository.countByEvent(event);
-                    int participantCount = eventParticipationRepository.countByEvent(event);
-                    List<EventDto.GetMostPossibleTime> mostPossibleTimes = getMostPossibleTime(String.valueOf(event.getEventId()));
-                    return EventDto.GetUserParticipatedEventsResponse.of(event, eventParticipation, memberCount + participantCount, mostPossibleTimes);
+                    String eventId = String.valueOf(event.getEventId());
+                    EventDto.GetParticipantsResponse getParticipantsResponse = getParticipants(eventId);
+                    List<String> participantNames = getParticipantsResponse.getNames();
+                    List<EventDto.GetMostPossibleTime> mostPossibleTimes = getMostPossibleTime(eventId);
+                    return EventDto.GetUserParticipatedEventsResponse.of(event, eventParticipation, participantNames.size(), mostPossibleTimes);
                 })
                 .collect(Collectors.toList());
     }

src/main/java/side/onetime/service/ScheduleService.java

@@ -5,6 +5,7 @@
 import org.springframework.stereotype.Service;
 import side.onetime.domain.*;
 import side.onetime.domain.enums.EventStatus;
+import side.onetime.dto.EventDto;
 import side.onetime.dto.ScheduleDto;
 import side.onetime.exception.*;
 import side.onetime.repository.*;
@@ -22,6 +23,7 @@ public class ScheduleService {
     private final ScheduleRepository scheduleRepository;
     private final SelectionRepository selectionRepository;
     private final JwtUtil jwtUtil;
+    private final EventService eventService;
 
     // 요일 스케줄 등록 메서드 (비로그인)
     @Transactional
@@ -174,10 +176,16 @@ public List<ScheduleDto.PerDaySchedulesResponse> getAllDaySchedules(String event
 
         // 이벤트에 참여하는 모든 멤버
         List<Member> members = memberRepository.findAllWithSelectionsAndSchedulesByEvent(event);
+
+        // 이벤트에 참여하는 모든 참여자 목록
+        EventDto.GetParticipantsResponse getParticipantsResponse = eventService.getParticipants(eventId);
+        List<String> participantNames = getParticipantsResponse.getNames();
+
         // 이벤트에 참여하는 모든 유저
         List<EventParticipation> eventParticipations = eventParticipationRepository.findAllByEvent(event);
         List<User> users = eventParticipations.stream()
                 .map(EventParticipation::getUser)
+                .filter(user -> participantNames.contains(user.getNickname())) // 유저가 참여자 목록에 있는지 확인
                 .toList();
 
         List<ScheduleDto.PerDaySchedulesResponse> perDaySchedulesResponses = new ArrayList<>();
@@ -270,10 +278,16 @@ public List<ScheduleDto.PerDateSchedulesResponse> getAllDateSchedules(String eve
 
         // 이벤트에 참여하는 모든 멤버
         List<Member> members = memberRepository.findAllWithSelectionsAndSchedulesByEvent(event);
+
+        // 이벤트에 참여하는 모든 참여자 목록
+        EventDto.GetParticipantsResponse getParticipantsResponse = eventService.getParticipants(eventId);
+        List<String> participantNames = getParticipantsResponse.getNames();
+
         // 이벤트에 참여하는 모든 유저
         List<EventParticipation> eventParticipations = eventParticipationRepository.findAllByEvent(event);
         List<User> users = eventParticipations.stream()
                 .map(EventParticipation::getUser)
+                .filter(user -> participantNames.contains(user.getNickname())) // 유저가 참여자 목록에 있는지 확인
                 .toList();
 
         List<ScheduleDto.PerDateSchedulesResponse> perDateSchedulesResponses = new ArrayList<>();