79 lines
2.9 KiB
Java
79 lines
2.9 KiB
Java
package ru.ulstu.paper.service;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import ru.ulstu.file.service.FileService;
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import ru.ulstu.paper.model.Paper;
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import ru.ulstu.paper.model.PaperDto;
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import ru.ulstu.paper.repository.PaperRepository;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.List;
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import java.util.stream.Collectors;
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import static ru.ulstu.core.util.StreamApiUtils.convert;
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@Service
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public class PaperService {
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private final PaperRepository paperRepository;
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private final FileService fileService;
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public PaperService(PaperRepository paperRepository,
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FileService fileService) {
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this.paperRepository = paperRepository;
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this.fileService = fileService;
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}
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public List<PaperDto> findAll() {
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List<Paper> allPapers = paperRepository.findAll();
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allPapers = allPapers.stream().sorted((paper1, paper2) -> {
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int statusCompareResult =
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Integer.valueOf(Arrays.asList(Paper.PaperStatus.values()).indexOf(paper1.getStatus()))
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.compareTo(Integer.valueOf(Arrays.asList(Paper.PaperStatus.values()).indexOf(paper2.getStatus())));
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if (statusCompareResult != 0) {
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return statusCompareResult;
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}
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return paper1.getTitle().compareTo(paper2.getTitle());
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}).collect(Collectors.toList());
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return convert(allPapers, PaperDto::new);
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}
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@Transactional
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public int create(PaperDto paperDto) throws IOException {
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return paperRepository.save(copyFromDto(new Paper(), paperDto)).getId();
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}
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private Paper copyFromDto(Paper paper, PaperDto paperDto) throws IOException {
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paper.setComment(paperDto.getComment());
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paper.setCreateDate(paperDto.getCreateDate());
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paper.setLocked(paperDto.getLocked());
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paper.setStatus(paperDto.getStatus());
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paper.setTitle(paperDto.getTitle());
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paper.setUpdateDate(paperDto.getUpdateDate());
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if (paperDto.getTmpFileName() != null) {
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paper.setFileData(fileService.createFileFromTmp(paperDto.getTmpFileName()));
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}
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return paper;
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}
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@Transactional
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public Integer update(PaperDto paperDto) throws IOException {
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Paper paper = paperRepository.findOne(paperDto.getId());
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if (paperDto.getTmpFileName() != null && paper.getFileData() != null) {
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fileService.deleteFile(paper.getFileData());
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}
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return paperRepository.save(copyFromDto(paper, paperDto)).getId();
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}
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@Transactional
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public void delete(Integer paperId) throws IOException {
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Paper paper = paperRepository.findOne(paperId);
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if (paper.getFileData() != null) {
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fileService.deleteFile(paper.getFileData());
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}
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paperRepository.delete(paper);
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}
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}
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