package org.jeecg.modules.mdc.service.impl;
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import cn.hutool.core.io.FileUtil;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import lombok.extern.slf4j.Slf4j;
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import org.jeecg.common.exception.JeecgBootException;
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import org.jeecg.modules.mdc.entity.LogTable;
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import org.jeecg.modules.mdc.mapper.LogTableMapper;
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import org.jeecg.modules.mdc.service.ILogTableService;
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import org.jeecg.modules.mdc.util.DateUtils;
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import org.jeecg.modules.system.entity.MdcPassLog;
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import org.jeecg.modules.system.service.IMdcPassLogService;
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import org.jeecg.modules.system.util.FileUtils;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import javax.annotation.Resource;
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import java.io.File;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* @author Lius
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* @date 2024/12/18 14:29
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*/
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@Service
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@Slf4j
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public class LogTableServiceImpl extends ServiceImpl<LogTableMapper, LogTable> implements ILogTableService {
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@Value("${fileService.localFilePath}")
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private String localFilePath;
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@Resource
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private IMdcPassLogService mdcPassLogService;
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private static final String TYPE = "18";
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/**
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* 导出同步数据表sql到xml文件
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void exportDataToXml() {
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// step.1 查询最新数据 时间正序排列
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List<LogTable> logTables = this.baseMapper.selectList(new LambdaQueryWrapper<LogTable>().orderByAsc(LogTable::getCreateTime));
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if (logTables != null && !logTables.isEmpty()) {
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// step.2 处理数据
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List<String> sqlList = logTables.stream().map(LogTable::getSqlLog).collect(Collectors.toList());
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// step.3 写入文件
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// step.3.1 文件命名
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String today = DateUtils.format(DateUtils.getNow(), DateUtils.STRDATE);
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MdcPassLog mdcPassLogLast = mdcPassLogService.selectTodayLast(today);
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int sequenceNumber = 1;
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if (mdcPassLogLast != null) {
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sequenceNumber = mdcPassLogLast.getSequenceNumber() + 1;
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}
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// 文件路径
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String locFilePath = localFilePath + TYPE + today + String.format("%06d", sequenceNumber) + ".xml";
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String listSql = String.join("\n", sqlList);
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try {
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FileUtils.fileWriterSql(locFilePath, listSql);
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} catch (Exception e) {
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throw new JeecgBootException("数据写入文件失败！");
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}
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File[] files = FileUtil.ls(localFilePath);
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for (File file : files) {
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if (file.isFile()) {
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//顺序号
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String fileName = file.getName();
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String sequenceOrder = fileName.substring(fileName.length() - 10, fileName.length() - 4);
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String dayTime = fileName.substring(fileName.length() - 18, fileName.length() - 10);
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int sequenceNum = Integer.parseInt(sequenceOrder);
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// 插入传输日志
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MdcPassLog mdcPassLog = new MdcPassLog();
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mdcPassLog.setPassLogFileName(file.getAbsolutePath());
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mdcPassLog.setPassName(fileName);
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mdcPassLog.setDayTime(dayTime);
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mdcPassLog.setSequenceNumber(sequenceNum);
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mdcPassLog.setSequenceOrder(sequenceOrder);
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mdcPassLogService.save(mdcPassLog);
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}
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}
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// step.5 删除已经写入文件并发送至网闸的数据
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// step.5.1 删除数据库数据
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this.baseMapper.delete(new LambdaQueryWrapper<LogTable>().le(LogTable::getCreateTime, logTables.get(logTables.size() - 1).getCreateTime()));
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}
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}
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}
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