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yangbin

2024-08-15 fc38e2635216775a80210d0df109dc6174d66813

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package org.jeecg.modules.ai.service.imp;
 
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.apache.commons.lang3.StringUtils;
import org.jeecg.common.api.vo.FileUploadResult;
import org.jeecg.modules.ai.entity.FileImgInfo;
import org.jeecg.modules.ai.entity.FilePdfInfo;
import org.jeecg.modules.ai.mapper.FilePdfInfoMapper;
import org.jeecg.modules.ai.service.IFileImgInfoService;
import org.jeecg.modules.ai.service.IFilePdfInfoService;
import org.jeecg.modules.ai.vo.FilePdfSelectVo;
import org.jeecg.modules.ai.vo.KeyWordPositionVo;
import org.jeecg.modules.ai.vo.PhotoListVo;
import org.jeecg.modules.utils.BeanMapper;
import org.jeecg.modules.utils.DateUtil;
import org.jeecg.modules.utils.PdfTurnPngUtils;
import org.jeecg.modules.utils.PdfUtils;
import org.jeecg.modules.utils.file.FileUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
 
import javax.crypto.KeyGenerator;
import java.io.File;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;
 
/**
 * @author clown
 * * @date 2024/8/5
 */
@Service
public class FilePdfInfoServiceImp extends ServiceImpl<FilePdfInfoMapper,FilePdfInfo> implements IFilePdfInfoService {
 
    @Autowired
    private IFileImgInfoService fileImgInfoService;
 
    @Value("${jeecg.path.upload}")
    public String fileUploadFolder;
 
 
 
    @Override
    public boolean uploadFilePdf(File file) {
        FileUploadResult result = FileUtils.uploadFileInFile(file);
        FilePdfInfo info = new FilePdfInfo();
        info.setFileName(result.getFileName());
        info.setFileEncodeName(result.getFileEncodeName());
        info.setFilePath(result.getFilePath());
        info.setFileSize(result.getFileSize());
        info.setFileSuffix(result.getFileSuffix());
        boolean b = save(info);
        if (!b) {
            return false;
        }
        try {
            List<PhotoListVo> pngList = PdfTurnPngUtils.pdf2pngList(file,"png",info.getId());
            if (pngList == null || pngList.isEmpty() ) {
                return false;
            }
            List<FileImgInfo> fileImgs = new ArrayList<>();
            for (PhotoListVo vo : pngList) {
                FileImgInfo img = new FileImgInfo();
                BeanMapper.copy(vo,img);
                img.setFileId(info.getId());
                fileImgs.add(img);
            }
 
            boolean c = fileImgInfoService.saveBatch(fileImgs);
            if (c) {
                return true;
            } else {
                removeById(info.getId());
                return false;
            }
 
        } catch (Exception e) {
            removeById(info.getId());
            return false;
        }
 
    }
 
    @Override
    public List<FileImgInfo> findImgPathList(FilePdfSelectVo fileVo) {
        FilePdfInfo info = new FilePdfInfo();
        if (StringUtils.isNotBlank(fileVo.getPdfFileId())) {
            info = super.getById(fileVo.getPdfFileId());
        } else {
            //待优化
            List<FilePdfInfo> list = super.list(new LambdaQueryWrapper<FilePdfInfo>().
                    eq(FilePdfInfo::getFileName, fileVo.getPdfName()).
                    orderByDesc(FilePdfInfo::getCreateTime)
            );
            if (list == null || list.isEmpty()) {
                return null;
            }
            BeanMapper.copy(list.get(0),info);
        }
        if (info == null ) {
            return null;
        }
        List<KeyWordPositionVo> workVo = PdfUtils.findListWord(fileUploadFolder + "/" + info.getFilePath() + "/" + info.getFileEncodeName(),fileVo.getPdfContent());
        if (workVo == null || workVo.isEmpty()) {
            return null;
        }
        List<Integer> sb = new ArrayList<>();
        for (KeyWordPositionVo key : workVo) {
            sb.add(key.getPage());
        }
        List<FileImgInfo> list = fileImgInfoService.findFileImgInfos(fileVo.getPdfFileId(),sb);
        return list;
    }
 
    @Override
    public FilePdfInfo findNewFilePDF(String fileName) {
        FilePdfInfo info = new FilePdfInfo();
        List<FilePdfInfo> list = super.list(new LambdaQueryWrapper<FilePdfInfo>().
                eq(FilePdfInfo::getFileName, fileName).
                orderByDesc(FilePdfInfo::getCreateTime)
        );
        if (list == null || list.isEmpty()) {
            return null;
        }
        BeanMapper.copy(list.get(0),info);
        return info;
    }
}