package cn.lili.modules.lmk.service.impl;
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import cn.lili.base.Result;
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import cn.lili.common.exception.ServiceException;
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import cn.lili.cos.CosSTS;
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import cn.lili.modules.lmk.domain.entity.LmkFile;
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import cn.lili.modules.lmk.domain.form.FileInfoForm;
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import cn.lili.modules.lmk.domain.vo.LmkFileVO;
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import cn.lili.modules.lmk.mapper.LmkFileMapper;
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import cn.lili.modules.lmk.service.LmkFileService;
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import cn.lili.utils.COSUtil;
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import cn.lili.utils.FileUtil;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import lombok.RequiredArgsConstructor;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Propagation;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.web.multipart.MultipartFile;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.util.List;
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/**
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* 文件信息 服务实现类
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*
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* @author xp
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* @since 2025-05-19
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*/
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@Service
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@RequiredArgsConstructor
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public class LmkFileServiceImpl extends ServiceImpl<LmkFileMapper, LmkFile> implements LmkFileService {
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private final LmkFileMapper lmkFileMapper;
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private final COSUtil cosUtil;
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@Override
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public Result uploadObject(MultipartFile file) {
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LmkFile fileInfo = FileUtil.getFileInfo(file);
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try {
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cosUtil.upload(file.getInputStream(), fileInfo);
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lmkFileMapper.insert(fileInfo);
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} catch (IOException e) {
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e.printStackTrace();
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throw new ServiceException("上传异常，请重试");
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}
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String url = cosUtil.getPreviewUrl(fileInfo.getFileKey());
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LmkFileVO fileVo = new LmkFileVO().setUrl(url).setFileKey(fileInfo.getFileKey());
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return Result.ok("上传成功").data(fileVo);
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}
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@Override
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public Result uploadObjects(List<MultipartFile> files) {
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return null;
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}
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@Override
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public Result deleteObject(String fileKey) {
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cosUtil.deleteFile(fileKey);
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return Result.ok("删除成功");
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}
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@Override
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public Result deleteObjects(List<String> fileKeys) {
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cosUtil.deleteFiles(fileKeys);
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return Result.ok("删除成功");
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}
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@Override
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public void downloadObject(String fileKey, HttpServletResponse response) {
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cosUtil.download(fileKey, response);
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}
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@Override
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public String getPreviewUrl(String fileKey) {
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return cosUtil.getPreviewUrl(fileKey);
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}
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@Override
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public CosSTS getSTSToken() {
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return cosUtil.getSTS();
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}
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@Override
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@Transactional(propagation = Propagation.REQUIRED)
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public void addByForm(FileInfoForm fileInfo) {
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LmkFile file = new LmkFile();
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BeanUtils.copyProperties(fileInfo, file);
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baseMapper.insert(file);
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}
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}
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