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feat: community-comment 수정 기능 (#77)
* test(community): communityComment 수정 기능 테스트 작성 * test(community): communityComment 수정 Usecase 및 Service 생성 * test(community): communityComment 수정 requestDto 생성 및 Entity 메서드 추가 * test(community): communityComment 수정 기능 테스트 작성 * test(community): communityComment 수정 Usecase 및 Service 생성 * test(community): communityComment 수정 requestDto 생성 및 Entity 메서드 추가 * feat(community): communityComment 수정 시 게시글 존재 검증 메서드 추가 * chore(community): 파일 마지막에 개행 추가
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‎src/main/java/com/somemore/community/domain/CommunityComment.java‎

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package com.somemore.community.domain;
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import com.somemore.community.dto.request.CommunityCommentUpdateRequestDto;
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import com.somemore.global.common.BaseEntity;
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import jakarta.persistence.*;
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import lombok.Builder;
@@ -46,4 +47,8 @@ public CommunityComment(Long communityBoardId, UUID writerId, String content, Lo
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public boolean isWriter(UUID writerId) {
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return this.writerId.equals(writerId);
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}
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}
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public void updateWith(CommunityCommentUpdateRequestDto dto) {
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this.content = dto.content();
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}
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}

‎src/main/java/com/somemore/community/dto/request/CommunityCommentUpdateRequestDto.java‎

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package com.somemore.community.dto.request;
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import com.fasterxml.jackson.databind.PropertyNamingStrategies;
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import com.fasterxml.jackson.databind.annotation.JsonNaming;
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import io.swagger.v3.oas.annotations.media.Schema;
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import jakarta.validation.constraints.NotBlank;
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import lombok.Builder;
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@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
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@Builder
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public record CommunityCommentUpdateRequestDto (
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@Schema(description = "커뮤니티 댓글 내용", example = "저도 함께 하고 싶습니다.")
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@NotBlank(message = "댓글 내용은 필수 값입니다.")
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String content
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) {}

‎src/main/java/com/somemore/community/service/comment/UpdateCommunityCommentService.java‎

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package com.somemore.community.service.comment;
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import com.somemore.community.domain.CommunityComment;
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import com.somemore.community.dto.request.CommunityCommentUpdateRequestDto;
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import com.somemore.community.repository.board.CommunityBoardRepository;
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import com.somemore.community.repository.comment.CommunityCommentRepository;
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import com.somemore.community.usecase.comment.UpdateCommunityCommentUseCase;
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import com.somemore.global.exception.BadRequestException;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.util.UUID;
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import static com.somemore.global.exception.ExceptionMessage.*;
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@RequiredArgsConstructor
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@Transactional
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@Service
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public class UpdateCommunityCommentService implements UpdateCommunityCommentUseCase {
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private final CommunityCommentRepository communityCommentRepository;
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private final CommunityBoardRepository communityBoardRepository;
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@Override
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public void updateCommunityComment(CommunityCommentUpdateRequestDto requestDto, Long communityCommentId, UUID writerId) {
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CommunityComment communityComment = getCommunityCommentById(communityCommentId);
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validateCommunityBoardExists(communityComment.getCommunityBoardId());
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validateWriter(communityComment, writerId);
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communityComment.updateWith(requestDto);
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communityCommentRepository.save(communityComment);
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}
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private CommunityComment getCommunityCommentById(Long id) {
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return communityCommentRepository.findById(id)
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.orElseThrow(() -> new BadRequestException(NOT_EXISTS_COMMUNITY_COMMENT.getMessage()));
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}
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private void validateCommunityBoardExists(Long communityBoardId) {
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if (communityBoardRepository.doesNotExistById(communityBoardId)) {
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throw new BadRequestException(NOT_EXISTS_COMMUNITY_BOARD.getMessage());
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}
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}
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private void validateWriter(CommunityComment communityComment, UUID writerId) {
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if (communityComment.isWriter(writerId)) {
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return;
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}
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throw new BadRequestException(UNAUTHORIZED_COMMUNITY_COMMENT.getMessage());
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}
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}

‎src/main/java/com/somemore/community/usecase/comment/UpdateCommunityCommentUseCase.java‎

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package com.somemore.community.usecase.comment;
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import com.somemore.community.dto.request.CommunityCommentUpdateRequestDto;
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import java.util.UUID;
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public interface UpdateCommunityCommentUseCase {
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void updateCommunityComment(
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CommunityCommentUpdateRequestDto requestDto,
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Long communityCommentId,
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UUID writerId);
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}

‎src/test/java/com/somemore/community/service/comment/UpdateCommunityCommentServiceTest.java‎

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package com.somemore.community.service.comment;
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import static com.somemore.global.exception.ExceptionMessage.NOT_EXISTS_COMMUNITY_BOARD;
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import static com.somemore.global.exception.ExceptionMessage.UNAUTHORIZED_COMMUNITY_COMMENT;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
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import com.somemore.IntegrationTestSupport;
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import com.somemore.community.domain.CommunityBoard;
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import com.somemore.community.domain.CommunityComment;
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import com.somemore.community.dto.request.CommunityBoardCreateRequestDto;
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import com.somemore.community.dto.request.CommunityCommentCreateRequestDto;
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import com.somemore.community.dto.request.CommunityCommentUpdateRequestDto;
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import com.somemore.community.repository.board.CommunityBoardRepository;
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import com.somemore.community.repository.comment.CommunityCommentRepository;
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import com.somemore.global.exception.BadRequestException;
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import org.assertj.core.api.ThrowableAssert;
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import org.junit.jupiter.api.AfterEach;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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import org.springframework.beans.factory.annotation.Autowired;
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import java.util.Optional;
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import java.util.UUID;
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class UpdateCommunityCommentServiceTest extends IntegrationTestSupport {
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@Autowired
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private UpdateCommunityCommentService updateCommunityCommentService;
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@Autowired
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private CommunityCommentRepository communityCommentRepository;
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@Autowired
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private CommunityBoardRepository communityBoardRepository;
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private UUID writerId;
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private Long commentId;
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private CommunityCommentUpdateRequestDto updateRequestDto;
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@BeforeEach
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void setUp() {
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CommunityBoardCreateRequestDto boardDto = CommunityBoardCreateRequestDto.builder()
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.title("커뮤니티 테스트 제목")
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.content("커뮤니티 테스트 내용")
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.build();
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writerId = UUID.randomUUID();
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CommunityBoard communityBoard = communityBoardRepository.save(boardDto.toEntity(writerId, "https://test.image/123"));
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CommunityCommentCreateRequestDto commentDto = CommunityCommentCreateRequestDto.builder()
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.communityBoardId(communityBoard.getId())
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.content("커뮤니티 댓글 테스트 내용")
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.parentCommentId(null)
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.build();
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CommunityComment communityComment = communityCommentRepository.save(commentDto.toEntity(writerId));
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commentId = communityComment.getId();
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updateRequestDto = CommunityCommentUpdateRequestDto.builder()
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.content("수정한 커뮤니티 댓글 내용")
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.build();
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}
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@AfterEach
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void tearDown() {
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communityCommentRepository.deleteAllInBatch();
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}
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@DisplayName("댓글을 수정한다.")
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@Test
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void updateCommunityComment() {
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//given
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//when
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updateCommunityCommentService.updateCommunityComment(updateRequestDto, commentId, writerId);
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//then
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Optional<CommunityComment> communityComment = communityCommentRepository.findById(commentId);
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assertThat(communityComment).isPresent();
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assertThat(communityComment.get().getId()).isEqualTo(commentId);
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assertThat(communityComment.get().getContent()).isEqualTo("수정한 커뮤니티 댓글 내용");
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}
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@DisplayName("작성자가 아닌 id로 댓글을 수정하고자 할 때 예외를 던진다.")
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@Test
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void updateCommunityCommentWithNotWriterId() {
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//given
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//when
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ThrowableAssert.ThrowingCallable callable = () -> updateCommunityCommentService.updateCommunityComment(updateRequestDto, commentId, UUID.randomUUID());
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//then
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assertThatExceptionOfType(BadRequestException.class)
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.isThrownBy(callable)
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.withMessage(UNAUTHORIZED_COMMUNITY_COMMENT.getMessage());
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}
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@DisplayName("삭제된 게시글의 댓글을 수정하고자 할 때 예외를 던진다.")
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@Test
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void updateCommunityCommentWithDeletedBoardId() {
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//given
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communityBoardRepository.deleteAllInBatch();
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//when
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ThrowableAssert.ThrowingCallable callable = () -> updateCommunityCommentService.updateCommunityComment(updateRequestDto, commentId, writerId);
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//then
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assertThatExceptionOfType(BadRequestException.class)
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.isThrownBy(callable)
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.withMessage(NOT_EXISTS_COMMUNITY_BOARD.getMessage());
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}
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}

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