BoardServiceImpl > SPRING_DATA_JPA

package web.service;

import java.util.List;

import java.util.Optional;

import java.util.stream.Collectors;

import org.modelmapper.ModelMapper;

import org.springframework.data.domain.Page;

import org.springframework.data.domain.Pageable;

import org.springframework.stereotype.Service;

import jakarta.transaction.Transactional;

import lombok.RequiredArgsConstructor;

import lombok.extern.log4j.Log4j2;

import web.domain.Board;

import web.dto.BoardDTO;

import web.dto.PageRequestDTO;

import web.dto.PageResponseDTO;

import web.repository.BoardRepository;

@Service

@Log4j2

@RequiredArgsConstructor

@Transactional

public class BoardServiceImpl implements BoardService {

private final ModelMapper modelMapper;

private final BoardRepository boardRepository;

@Override

public Long register(BoardDTO boardDTO) {

Board board = modelMapper.map(boardDTO, Board.class);

Long bno = boardRepository.save(board).getBno();

return bno;

}

@Override

public BoardDTO readOne(Long bno) {

Optional<Board> result = boardRepository.findById(bno);

Board board = result.orElseThrow();

BoardDTO boardDTO = modelMapper.map(board, BoardDTO.class);

return boardDTO;

}

@Override

public void modify(BoardDTO boardDTO) {

Optional<Board> result = boardRepository.findById(boardDTO.getBno());

Board board = result.orElseThrow();

board.change(boardDTO.getTitle(), boardDTO.getContent()); //제목,내용 수정

boardRepository.save(board);

}

@Override

public void remove(Long bno) {

boardRepository.deleteById(bno);

}

@Override

public PageResponseDTO<BoardDTO> list(PageRequestDTO pageRequestDTO) {

String[] types = pageRequestDTO.getTypes();

String keyword = pageRequestDTO.getKeyword();

Pageable pageable = pageRequestDTO.getPageable("bno");

Page<Board> result = boardRepository.searchAll(types, keyword, pageable);

List<BoardDTO> dtoList= result.getContent().stream()

.map(board -> modelMapper.map(board, BoardDTO.class))

.collect(Collectors.toList());

return PageResponseDTO.<BoardDTO>withAll()

.pageRequestDTO(pageRequestDTO)

.dtoList(dtoList)

.total((int)result.getTotalElements())

.build();

}

}