moooc_review/src/main/java/com/mooctest/service/FinalReportService.java

package com.mooctest.service;

import com.mooctest.dao.FinalReportDao;
import com.mooctest.data.FinalReportDTO;
import com.mooctest.model.FinalReport;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.sql.Timestamp;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

@Service
public class FinalReportService {

    @Autowired
    FinalReportDao finalReportDao;

    public FinalReportDTO save(FinalReportDTO dto) {

        FinalReport finalReport = new FinalReport();
        BeanUtils.copyProperties(dto, finalReport);
        finalReport.setImgUrls(String.join(",", dto.getImgUrls()));
        finalReport.setCreateTime(new Date());
        finalReport = finalReportDao.save(finalReport);
        BeanUtils.copyProperties(finalReport, dto);
        return dto;
    }

    public FinalReportDTO update(long reportId, FinalReportDTO dto) {
        FinalReport report = finalReportDao.findOne(reportId);
        dto.setCreateTime(report.getCreateTime());
        BeanUtils.copyProperties(dto, report);
        report.setImgUrls(String.join(",", dto.getImgUrls()));
        finalReportDao.save(report);

        return dto;
    }

    public List<FinalReportDTO> getByExamIdAndCaseId(long examId, long caseId) {
        List<FinalReport> frs = finalReportDao.findByExamIdAndCaseId(examId, caseId);
        return wrap(frs);
    }

    public List<FinalReportDTO> getBySourceId(String sourceId) {
        List<FinalReport> frs = finalReportDao.findBySourceId(sourceId);
        return wrap(frs);
    }

    private List<FinalReportDTO> wrap(List<FinalReport> frs) {
        return frs.stream().map(finalReport -> {
            FinalReportDTO dto = new FinalReportDTO();
            BeanUtils.copyProperties(finalReport, dto);
            dto.setImgUrls(finalReport.getImgUrls().split(","));
            return dto;
        }).collect(Collectors.toList());
    }

    public void delete(long reportId) {
        finalReportDao.delete(reportId);
    }

}