Project Lab 7. 게시판 개발(새로운 글 표시) - 4

<module-system-common/src/main/java/kr/ac/univ/util/NewIconCheck.java>

package kr.ac.univ.util;

import java.time.LocalDateTime;
import java.time.temporal.ChronoUnit;

public class NewIconCheck {
   public static Boolean isNew(LocalDateTime pastLocalDateTime ) {
       LocalDateTime currentTime = LocalDateTime.now();
       // 현재 시간과 비교하여 24시간 이내인 경우 newIcon 생성
       boolean result;

       if(ChronoUnit.HOURS.between(currentTime , pastLocalDateTime)  >= -24 ) {
           result = true;
       } else {
           result = false;
       }

       return result;
   }
}

<module-app-web/src/test/java/kr/ac/univ/NewIconCheckTest.java>

package kr.ac.univ;

import kr.ac.univ.noticeBoard.repository.NoticeBoardRepository;
import kr.ac.univ.noticeBoard.repository.NoticeBoardRepositoryImpl;
import kr.ac.univ.util.NewIconCheck;
import lombok.extern.slf4j.Slf4j;
import org.junit.Assert;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit.jupiter.SpringExtension;

import java.time.LocalDateTime;

@Slf4j
@SpringBootTest
@EnableAutoConfiguration
@ExtendWith(SpringExtension.class)
public class NewIconCheckTest {
    @Autowired
    NoticeBoardRepository noticeBoardRepository;

    @Autowired
    NoticeBoardRepositoryImpl noticeBoardRepositoryImpl;

    @Test
    @DisplayName("Time 테스트")
    public void Test() {
        long days = 2;

        // 비교하고 싶은 날짜와 시간을 입력한다.
        LocalDateTime pastDateTime = LocalDateTime.of(2020, 7, 30, 0, 0, 0, 0);

        // 현재 날짜와 비교하고 싶은 날짜의 차이가 24시간인 경우 Test가 통과된다.
        Assert.assertEquals(NewIconCheck.isNew(pastDateTime),true);
    }
}

<module-domain-core/src/main/java/kr/ac/univ/noticeBoard/dto/NoticeBoardDto.java>

package kr.ac.univ.noticeBoard.dto;

import kr.ac.univ.common.domain.enums.ActiveStatus;
import kr.ac.univ.common.dto.CommonDto;
import kr.ac.univ.noticeBoard.domain.NoticeBoardAttachedFile;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import lombok.ToString;

import java.util.ArrayList;
import java.util.List;

@Getter
@Setter
@NoArgsConstructor
@ToString
public class NoticeBoardDto extends CommonDto {
    /* CommonDto: JPA Audit */

    /* 기본 정보 */
    private String title;
    private String content;
    private ActiveStatus activeStatus;
    private Long viewCount;

    /* newIcon */
    private boolean isNewIcon;
}

<module-domain-core/src/main/java/kr/ac/univ/noticeBoard/service/NoticeBoardService.java>

...

    public Page<NoticeBoardDto> findNoticeBoardList(Pageable pageable) {
        Page<NoticeBoard> noticeBoardList = null;
        Page<NoticeBoardDto> noticeBoardDtoList = null;

        pageable = PageRequest.of(pageable.getPageNumber() <= 0 ? 0 : pageable.getPageNumber() - 1, pageable.getPageSize(), Sort.Direction.DESC, "idx");
        noticeBoardList = noticeBoardRepository.findAll(pageable);
        noticeBoardDtoList = new PageImpl<NoticeBoardDto>(NoticeBoardMapper.INSTANCE.toDto(noticeBoardList.getContent()), pageable, noticeBoardList.getTotalElements());

        // NewIcon 판별
        for(NoticeBoardDto noticeBoardDto : noticeBoardDtoList) {
            // 추후 변경
            noticeBoardDto.setNewIcon(NewIconCheck.isNew(LocalDateTime.now()));
        }

        return noticeBoardDtoList;
    }