refactor: 다른 객체 수를 파악하는 의존성 필드 제거

src/main/java/org/sophy/sophy/domain/AuthorProperty.java

@@ -21,16 +21,6 @@ public class AuthorProperty {
     @OneToMany(mappedBy = "authorProperty", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.LAZY)
     private List<Booktalk> myBookTalkList;
 
-    private Integer myBookTalkSize;
-
-    public void plusMyBookTalkSize() {
-        this.myBookTalkSize += 1;
-    }
-
-    public void minusMyBookTalkSize() { // 북토크가 완료 되었을 때 (개최한 북토크 -> 참여한 북토크로 변하는지에 따라 나뉠듯)
-        this.myBookTalkSize -= 1;
-    }
-
     @OneToMany(mappedBy = "authorProperty", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.LAZY)
     private List<Book> myBookList;
 
@@ -40,7 +30,6 @@ public void deleteBooktalk(Booktalk booktalk) {
 
     public static AuthorProperty toBuild() {
         return AuthorProperty.builder()
-            .myBookTalkSize(0)
             .myBookList(new ArrayList<>())
             .myBookTalkList(new ArrayList<>())
             .build();

src/main/java/org/sophy/sophy/domain/Booktalk.java

@@ -78,8 +78,6 @@ public class Booktalk extends AuditingEntity {
     @Column(nullable = false)
     private LocalDateTime endDate;
 
-    private Integer participantNum;
-
     @Column(nullable = false)
     private Integer maximum;
 
@@ -107,10 +105,6 @@ public class Booktalk extends AuditingEntity {
 
     private final Boolean deleted = Boolean.FALSE;
 
-    public void plusParticipant() {
-        this.participantNum += 1;
-    }
-
     public void setBooktalkStatus(BooktalkStatus booktalkStatus) {
         this.booktalkStatus = booktalkStatus;
     }
@@ -136,7 +130,6 @@ public void setAuthor(Member member) {
         this.member = member;
         this.authorProperty = member.getAuthorProperty();
         member.getAuthorProperty().getMyBookTalkList().add(this);
-        member.getAuthorProperty().plusMyBookTalkSize();
     }
 
     @Builder
@@ -152,7 +145,6 @@ public Booktalk(Place place, String title, String booktalkImageUrl, Book book, M
         this.bookCategory = bookCategory;
         this.startDate = startDate;
         this.endDate = endDate;
-        this.participantNum = 0;
         this.maximum = maximum;
         this.participationFee = participationFee;
         this.preliminaryInfo = preliminaryInfo;

src/main/java/org/sophy/sophy/domain/CompletedBooktalk.java

@@ -61,6 +61,5 @@ public static CompletedBooktalk toBuild(Booktalk booktalk) {
     public void setMember(Member member) {
         this.member = member;
         member.getCompletedBookTalkList().add(this);
-        member.plusCompletedBooktalk();
     }
 }

src/main/java/org/sophy/sophy/domain/Member.java

@@ -68,13 +68,9 @@ public class Member extends AuditingTimeEntity {
     @OneToMany(mappedBy = "member")
     private List<MemberBooktalk> userBookTalkList; // -> 참여 예정 북토크 수
 
-    private Integer userBookTalkSize;
-
     @OneToMany(mappedBy = "member")
     private List<CompletedBooktalk> completedBookTalkList; //이거 길이로 북토크 수 보여줄 수 있지 않을까? -> 참여 완료 북토크 수
 
-    private Integer completedBookTalkSize;
-
     @OneToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "author_property_id")
     private AuthorProperty authorProperty; //(개설한 북토크 리스트 + 나의 책 리스트 + 공간 매칭 중 북토크 수 + 청중 모집 중 북토크 수)
@@ -96,21 +92,7 @@ public Member(String name, String email, String password, String phoneNum,
         this.authority = authority;
         this.socialId = socialId;
         this.userBookTalkList = new ArrayList<>();
-        this.userBookTalkSize = 0;
         this.completedBookTalkList = new ArrayList<>();
-        this.completedBookTalkSize = 0;
-    }
-
-    public void plusUserBooktalk() {
-        this.userBookTalkSize += 1;
-    }
-
-    public void minusUserBooktalk() {
-        this.userBookTalkSize -= 1;
-    }
-
-    public void plusCompletedBooktalk() {
-        this.completedBookTalkSize += 1;
     }
 
     public void setAuthorProperty(AuthorProperty authorProperty) {

src/main/java/org/sophy/sophy/domain/MemberBooktalk.java

@@ -32,15 +32,13 @@ public void setMember(Member member) {
         if (!member.getUserBookTalkList().contains(this)) {
             // 시작날짜로 순으로 정렬해서 추가
             member.getUserBookTalkList().add(this);
-            member.plusUserBooktalk();
         }
     }
 
     public void setBooktalk(Booktalk booktalk) {
         this.booktalk = booktalk;
         if (!booktalk.getParticipantList().contains(this)) {
             booktalk.getParticipantList().add(this);
-            booktalk.plusParticipant();
         }
     }
 

src/main/java/org/sophy/sophy/infrastructure/query/BooktalkQueryRepository.java

@@ -13,7 +13,7 @@
 public interface BooktalkQueryRepository extends JpaRepository<Booktalk, Long> {
 
     @Query("select new org.sophy.sophy.domain.dto.booktalk.response.BooktalkResponseDto("
-        + " b.id, b.preliminaryInfo, b.title, m.name, b.startDate, b.endDate, p.name, b.participantNum, b.maximum, b.booktalkImageUrl, b.booktalkStatus)"
+        + " b.id, b.preliminaryInfo, b.title, m.name, b.startDate, b.endDate, p.name, b.participantList.size, b.maximum, b.booktalkImageUrl, b.booktalkStatus)"
         + " from Booktalk b"
         + " join b.member m"
         + " join b.place p"
@@ -47,7 +47,7 @@ List<Booktalk> findByBooktalkStatuses(
         @Param("booktalkStatuses") List<BooktalkStatus> booktalkStatuses);
 
     @Query("select new org.sophy.sophy.domain.dto.mypage.MyPageBooktalkDto("
-        + " b.id, b.booktalkImageUrl, b.title, m.name, b.startDate, b.endDate, p.name, b.participantNum, b.maximum, b.booktalkStatus)"
+        + " b.id, b.booktalkImageUrl, b.title, m.name, b.startDate, b.endDate, p.name, b.participantList.size, b.maximum, b.booktalkStatus)"
         + " from Booktalk b"
         + " join b.member m"
         + " join b.place p"

src/main/java/org/sophy/sophy/service/BooktalkService.java

@@ -112,7 +112,7 @@ public void postBooktalkParticipation(
                 ErrorStatus.BOOKTALK_RECRUITING_CLOSED_EXCEPTION.getMessage());
         }
         //북토크 현재 인원이 최대인원을 넘지 않았는지 체크하는 메서드
-        if (booktalk.getMaximum() <= booktalk.getParticipantNum()) {
+        if (booktalk.getMaximum() <= booktalk.getParticipantList().size()) {
             throw new OverMaxParticipationException(ErrorStatus.OVER_MAX_PARTICIPATION_EXCEPTION,
                 ErrorStatus.OVER_MAX_PARTICIPATION_EXCEPTION.getMessage());
         }
@@ -126,7 +126,7 @@ public void postBooktalkParticipation(
         // 복합키?
         memberBooktalkRepository.save(
             booktalkParticipationRequestDto.toMemberBooktalk(booktalk, member));
-        if (booktalk.getMaximum().equals(booktalk.getParticipantNum())) { //인원이 다 찬 경우 마감
+        if (booktalk.getMaximum().equals(booktalk.getParticipantList().size())) { //인원이 다 찬 경우 마감
             booktalk.setBooktalkStatus(BooktalkStatus.RECRUITING_CLOSED);
         }
     }
@@ -171,11 +171,9 @@ public CompletedBooktalk changeBooktalkToComplete(Booktalk booktalk) {
         for (MemberBooktalk memberBooktalk : booktalk.getParticipantList()) { //참가 인원들 소피스토리 세팅
             Member member = memberBooktalk.getMember();
             completedBooktalkSetting(booktalk, member);
-            member.minusUserBooktalk(); //예정된 북토크 수 감소
         }
         Member member = booktalk.getMember(); //작가 소피스토리 세팅
         CompletedBooktalk completedBooktalk = completedBooktalkSetting(booktalk, member);
-        member.getAuthorProperty().minusMyBookTalkSize(); //개최한 북토크 수 감소
         booktalkRepository.delete(booktalk);
         return completedBooktalk;
     }

src/main/java/org/sophy/sophy/service/HomeService.java

@@ -30,7 +30,7 @@ public class HomeService {
 
     public HomeResponseDto getHome(String email) {
         Member member = memberRepository.getMemberByEmail(email);
-        Integer booktalkCount = member.getUserBookTalkSize();
+        Integer booktalkCount = member.getUserBookTalkList().size();
         List<BooktalkDeadlineUpcomingDto> booktalkDeadlineUpcoming = booktalkService.getBooktalkDeadlineUpcoming();
 
         if (member.getAuthority().equals(Authority.AUTHOR)) { //작가냐 아니냐에 따라 홈 화면 분리