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package com.ruoyi.manage.service.impl;
 
import cn.hutool.core.lang.UUID;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.core.domain.entity.User;
import com.ruoyi.common.numgen.NumberGenerator;
import com.ruoyi.common.utils.QueryWrappers;
import com.ruoyi.framework.exception.ErrorException;
import com.ruoyi.manage.excel.ManageDocumentControlledImportDto;
import com.ruoyi.manage.mapper.ManageDocumentControlledMapper;
import com.ruoyi.manage.mapper.ManageDocumentListMapper;
import com.ruoyi.manage.mapper.ManageRecordCheckMapper;
import com.ruoyi.manage.pojo.ManageDocumentControlled;
import com.ruoyi.manage.pojo.ManageDocumentList;
import com.ruoyi.manage.pojo.ManageRecordCheck;
import com.ruoyi.manage.service.ManageDocumentControlledService;
import com.ruoyi.manage.util.DocumentPreviewUtils;
import com.ruoyi.system.mapper.UserMapper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;
import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
/**
 * <p>
 * 文件受控 服务实现类
 * </p>
 *
 * @author
 * @since 2024-11-08 02:54:44
 */
@Service
@Transactional(rollbackFor = Exception.class)
public class ManageDocumentControlledServiceImpl extends ServiceImpl<ManageDocumentControlledMapper, ManageDocumentControlled> implements ManageDocumentControlledService {
 
    @Resource
    private ManageDocumentControlledMapper manageDocumentControlledMapper;
 
    @Resource
    private ManageDocumentListMapper manageDocumentListMapper;
 
    @Resource
    private ManageRecordCheckMapper manageRecordCheckMapper;
 
 
 
    @Value("${wordUrl}")
    private String wordUrl;
 
    @Resource
    private UserMapper userMapper;
 
    @Resource
    private NumberGenerator<ManageDocumentControlled> numberGenerator;
 
    private static final DateTimeFormatter CODE_DATE_FORMAT = DateTimeFormatter.ofPattern("yyMMdd");
 
    @Override
    public IPage<ManageDocumentControlled> pageManageDocumentControlled(Page page, ManageDocumentControlled manageDocumentControlled) {
        return manageDocumentControlledMapper.pageManageDocumentControlled(page, QueryWrappers.queryWrappers(manageDocumentControlled));
    }
 
    @Override
    public int addManageDocumentControlled(ManageDocumentControlled manageDocumentControlled) {
        manageDocumentControlled.setState("待审核");
        // 提交日期不再在界面填写,入库时自动写当天,保留原有字段含义
        if (manageDocumentControlled.getSubmitDate() == null) {
            manageDocumentControlled.setSubmitDate(LocalDate.now());
        }
        String urlString;
        String pathName;
        String path;
        if (ObjectUtils.isNotEmpty(manageDocumentControlled.getFile())) {
            MultipartFile file = manageDocumentControlled.getFile();
            //上传新文件
            path = wordUrl;
            try {
                File realpath = new File(path);
                if (!realpath.exists()) {
                    realpath.mkdirs();
                }
                pathName = UUID.randomUUID() + "_" + file.getOriginalFilename();
                urlString = realpath + "/" + pathName;
                file.transferTo(new File(urlString));
            } catch (Exception e) {
                e.printStackTrace();
                System.err.println("附件上传错误");
                return 0;
            }
            manageDocumentControlled.setUrl(pathName);
        }
        return manageDocumentControlledMapper.insert(manageDocumentControlled);
    }
 
    @Override
    public int delManageDocumentControlled(Long id) {
        ManageDocumentControlled manageDocumentControlled = manageDocumentControlledMapper.selectById(id);
        if (ObjectUtils.isNotEmpty(manageDocumentControlled.getUrl())) {
            // 删除旧文件
            File oldFile = new File(wordUrl + "/" + manageDocumentControlled.getUrl());
            oldFile.delete();
        }
        return manageDocumentControlledMapper.deleteById(id);
    }
 
    @Override
    public ManageDocumentControlled getManageDocumentControlled(Long id) {
        ManageDocumentControlled manageDocumentControlled = manageDocumentControlledMapper.getManageDocumentControlled(id);
        //获取部门信息
        String departmentLimsName = userMapper.selectUserDepartmentLimsName(manageDocumentControlled.getCreateUser());
        manageDocumentControlled.setCreateUserDepartLims(departmentLimsName);
        return manageDocumentControlled;
    }
 
    @Override
    public int doManageDocumentControlled(ManageDocumentControlled manageDocumentControlled) {
        ManageDocumentControlled manageDocumentControlled1 = manageDocumentControlledMapper.selectById(manageDocumentControlled.getId());
        if (ObjectUtils.isNotEmpty(manageDocumentControlled.getFile())) {
            if (ObjectUtils.isNotEmpty(manageDocumentControlled1.getUrl())) {
                // 删除旧文件
                File oldFile = new File(wordUrl + "/" + manageDocumentControlled1.getUrl());
                oldFile.delete();
            }
            //上传新文件
            String urlString;
            String pathName;
            String path;
            MultipartFile file = manageDocumentControlled.getFile();
            path = wordUrl;
            try {
                File realpath = new File(path);
                if (!realpath.exists()) {
                    realpath.mkdirs();
                }
                pathName = UUID.randomUUID() + "_" + file.getOriginalFilename();
                urlString = realpath + "/" + pathName;
                file.transferTo(new File(urlString));
                manageDocumentControlled.setUrl(pathName);
            } catch (Exception e) {
                e.printStackTrace();
                System.err.println("附件上传错误");
                return 0;
            }
        }
        return manageDocumentControlledMapper.updateById(manageDocumentControlled);
    }
 
    @Override
    public int checkManageDocumentControlled(ManageDocumentControlled manageDocumentControlled) {
        ManageDocumentControlled documentControlled = manageDocumentControlledMapper.selectById(manageDocumentControlled.getId());
        if (documentControlled == null) {
            throw new ErrorException("申请记录不存在");
        }
        // 已通过的申请不能再审核,否则会重复生成文件清单和审批记录
        if ("通过".equals(documentControlled.getState())) {
            throw new ErrorException("该申请已审核通过,不能重复审核");
        }
        if (manageDocumentControlled.getState().equals("通过")) {
            // 删除旧文件
            File oldFile = new File(wordUrl + "/" + documentControlled.getUrl());
            oldFile.delete();
            //上传新文件
            String urlString;
            String pathName;
            String path;
            MultipartFile file = manageDocumentControlled.getFile();
            path = wordUrl;
            try {
                File realpath = new File(path);
                if (!realpath.exists()) {
                    realpath.mkdirs();
                }
                pathName = UUID.randomUUID() + "_" + file.getOriginalFilename();
                urlString = realpath + "/" + pathName;
                file.transferTo(new File(urlString));
                manageDocumentControlled.setUrl(pathName);
            } catch (Exception e) {
                e.printStackTrace();
                System.err.println("附件上传错误");
                return 0;
            }
            //将文件受控已知文件清单
            ManageDocumentList manageDocumentList = new ManageDocumentList();
            manageDocumentList.setDocumentCode(documentControlled.getDocumentCode());
            manageDocumentList.setType(documentControlled.getType());
            manageDocumentList.setName(documentControlled.getName());
            manageDocumentList.setVersion(documentControlled.getVersion());
            manageDocumentList.setWriter(documentControlled.getWriter());
            // 文件清单的生效日期取申请的“实施日期”,没填才用当天
            manageDocumentList.setEffectiveDate(documentControlled.getImplementDate() != null
                    ? documentControlled.getImplementDate() : LocalDate.now());
            manageDocumentList.setState("有效");
            manageDocumentList.setUrl(manageDocumentControlled.getUrl());
            manageDocumentListMapper.insert(manageDocumentList);
        }
        /*新增8.4的文件审批记录*/
        ManageRecordCheck manageRecordCheck = new ManageRecordCheck();
        manageRecordCheck.setDocumentCode(documentControlled.getDocumentCode());
        manageRecordCheck.setDocumentName(documentControlled.getName());
        manageRecordCheck.setDocumentVersion(documentControlled.getVersion());
        // 作者可能不是系统用户(历史数据/手填),查不到时不再空指针
        User writerUser = null;
        if (documentControlled.getWriter() != null && !documentControlled.getWriter().trim().isEmpty()) {
            writerUser = userMapper.selectOne(Wrappers.<User>lambdaQuery()
                    .eq(User::getName, documentControlled.getWriter())
                    .last("limit 1"));
        }
        manageRecordCheck.setWriteUser(writerUser == null ? null : writerUser.getId());
        manageRecordCheck.setCheckUser(documentControlled.getDutyUser());
        manageRecordCheck.setCheckState(manageDocumentControlled.getState());
        manageRecordCheck.setRemark(documentControlled.getInstructions());
        manageRecordCheckMapper.insert(manageRecordCheck);
        return manageDocumentControlledMapper.updateById(manageDocumentControlled);
    }
 
    @Override
    public int importManageDocumentControlled(List<ManageDocumentControlledImportDto> rows) {
        LocalDate today = LocalDate.now();
        LocalDateTime now = LocalDateTime.now();
        String codePrefix = "WT" + CODE_DATE_FORMAT.format(today);
        int count = 0;
        for (ManageDocumentControlledImportDto dto : rows) {
            Map<String, Object> row = new HashMap<>();
            row.put("documentCode", numberGenerator.generateNumberWithPrefix(
                    3, codePrefix, ManageDocumentControlled::getDocumentCode));
            row.put("type", null);
            row.put("name", dto.getName().trim());
            row.put("version", trimToNull(dto.getVersion()));
            row.put("writer", null);
            row.put("submitDate", today);
            row.put("publishDate", dto.getPublishDateValue());
            row.put("implementDate", dto.getImplementDateValue());
            row.put("instructions", null);
            row.put("state", "草稿");
            row.put("url", null);
            row.put("dutyUser", null);
            row.put("createTime", now);
            row.put("updateTime", now);
            count += manageDocumentControlledMapper.insertImportedDraft(row);
        }
        return count;
    }
 
    private String trimToNull(String value) {
        return value == null || value.trim().isEmpty() ? null : value.trim();
    }
 
    @Override
    public void checkManageDocumentControlledPdf(Long id, HttpServletResponse response) throws Exception {
        ManageDocumentControlled manageDocumentControlled = manageDocumentControlledMapper.selectById(id);
        if (manageDocumentControlled == null || ObjectUtils.isEmpty(manageDocumentControlled.getUrl())) {
            throw new ErrorException("文件未上传");
        }
        // PDF 直接输出,Word/图片在线转 PDF,供前端预览盖章
        DocumentPreviewUtils.writeAsPdf(new File(wordUrl + "/" + manageDocumentControlled.getUrl()), response);
    }
 
}