package com.sandu.ximon.admin.service;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.RandomUtil;
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import com.alibaba.excel.EasyExcel;
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import com.alibaba.fastjson.JSON;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.sandu.common.domain.CommonPage;
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import com.sandu.common.execption.BusinessException;
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import com.sandu.common.file.config.FileProperties;
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import com.sandu.common.file.impl.AliOssFileServiceImpl;
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import com.sandu.common.service.impl.BaseServiceImpl;
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import com.sandu.common.util.SpringContextHolder;
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import com.sandu.ximon.admin.manager.iot.frame.inner.report.A5LightHeartbeatReportInnerFrame;
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import com.sandu.ximon.admin.manager.iot.rrpc.enums.A5LightDataEnum;
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import com.sandu.ximon.admin.security.SecurityUtils;
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import com.sandu.ximon.admin.utils.RedisUtils;
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import com.sandu.ximon.dao.bo.LightReportDataBo;
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import com.sandu.ximon.dao.domain.LightReportData;
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import com.sandu.ximon.dao.domain.Pole;
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import com.sandu.ximon.dao.domain.PoleBinding;
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import com.sandu.ximon.dao.mapper.LightReportDataMapper;
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import lombok.AllArgsConstructor;
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import lombok.SneakyThrows;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @author chenjiantian
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* @date 2021/12/13 16:00
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* 灯上报数据 service
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*/
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@Service
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@AllArgsConstructor
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public class LightReportDataService extends BaseServiceImpl<LightReportDataMapper, LightReportData> {
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private final FileProperties properties;
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private final AliOssFileServiceImpl fileService;
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private final LightReportDataMapper lightReportDataMapper;
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/**
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* 保存上报的灯心跳数据
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*
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* @return 是否成功
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*/
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public boolean saveReportData(String deviceName, A5LightHeartbeatReportInnerFrame.HeartBeatDataPackage heartBeatDataPackage) {
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// LightReportData lightReportData = RedisUtils.getBean().get(A5LightDataEnum.LIGHT_HEART_BEAT.getCode() + deviceName, LightReportData.class);
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String format = LocalDateTime.now().format(DateTimeFormatter.ofPattern("YYYY-MM-dd HH:mm:ss"));
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LightReportData lightReportData = new LightReportData();
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if (lightReportData == null) {
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lightReportData = new LightReportData();
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lightReportData.setCreateTime(format);
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}
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//todo
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lightReportData.setCreateTime(format);
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BeanUtils.copyProperties(heartBeatDataPackage, lightReportData);
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lightReportData.setDeviceCode(deviceName);
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lightReportData.setUpdateTime(format);
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//单灯数据保存到缓存里
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RedisUtils.getBean().set(A5LightDataEnum.LIGHT_HEART_BEAT.getCode() + deviceName, lightReportData);
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return save(lightReportData);
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}
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/**
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* 获取指定设备码最新的一天上报数据
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*
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* @param deviceCodeList 设备码列表
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* @return 上报数据
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*/
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public List<LightReportData> getNewestReportByDeviceCode(List<String> deviceCodeList) {
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return baseMapper.getNewestReportByDeviceCode(deviceCodeList);
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}
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/**
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* 获取上报数据
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*
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* @param keyword 关键词
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* @param deviceCode 设备码
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*/
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public CommonPage listReportData(int pageNo, int pageSize, String keyword, String deviceCode) {
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List<LightReportDataBo> lightReportDataBos = new ArrayList<>(pageSize);
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CommonPage<String> stringCommonPage = SpringContextHolder.getBean(LightService.class).listDeviceCode(pageNo, pageSize, keyword, deviceCode);
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List<String> macList = stringCommonPage.getList();
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if (CollUtil.isEmpty(macList)) {
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return new CommonPage();
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}
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for (String macCode : macList) {
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try {
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LightReportData lightReportData
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= JSON.parseObject(RedisUtils.getBean().get(A5LightDataEnum.LIGHT_HEART_BEAT.getCode() + macCode), LightReportData.class);
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LightReportDataBo lightReportDataBo = new LightReportDataBo();
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if (lightReportData != null) {
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BeanUtils.copyProperties(lightReportData, lightReportDataBo);
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}
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lightReportDataBo.setDeviceCode(macCode);
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Pole pole = SpringContextHolder.getBean(PoleService.class).getOne(Wrappers.lambdaQuery(Pole.class).eq(Pole::getDeviceCode, macCode));
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if (pole != null) {
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lightReportDataBo.setPoleName(pole.getPoleName());
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}
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lightReportDataBos.add(lightReportDataBo);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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CommonPage commonPage = CommonPage.restPage(lightReportDataBos);
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commonPage.setTotal(stringCommonPage.getTotal());
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commonPage.setTotalPage(stringCommonPage.getTotalPage());
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commonPage.setPageNum(pageNo);
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return commonPage;
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}
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@SneakyThrows
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public void exportList(HttpServletRequest request, HttpServletResponse response, String deviceCode) {
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if (SecurityUtils.getClientId() != null) {
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PoleBinding one = SpringContextHolder.getBean(PoleBindingService.class).getOne(Wrappers.lambdaQuery(PoleBinding.class).eq(PoleBinding::getDeviceCode, deviceCode)
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.eq(PoleBinding::getDeviceType, 0));
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if (one == null) {
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throw new BusinessException("未找到绑定关系！");
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} else {
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Pole pole = SpringContextHolder.getBean(PoleService.class).getOne(Wrappers.lambdaQuery(Pole.class).eq(Pole::getUserId, SecurityUtils.getUserId()).or(w -> {
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w.eq(Pole::getClientId, SecurityUtils.getUserId());
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}));
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if (pole == null) {
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throw new BusinessException("绑定关系不正确！");
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}
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}
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}
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List<LightReportDataBo> list = lightReportDataMapper.listReportData(null, deviceCode);
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File file = new File("./" + RandomUtil.randomString(12) + ".xlsx");
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EasyExcel.write(file, LightReportDataBo.class).sheet("模版").doWrite(list);
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//文件流化返回给前端
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findfile(request, response, file);
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//删除文件
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// file.delete();
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}
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/**
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* 文件流化
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*
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* @param request
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* @param response
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* @param file
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* @throws IOException
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*/
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public void findfile(HttpServletRequest request, HttpServletResponse response, File file) throws IOException {
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ServletOutputStream out = null;
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FileInputStream ips = null;
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try {
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//获取到文字 数据库里对应的附件名字加上老的文件名字：filename 截取到后面的文件类型 例：txt 组成一个新的文件名字：newFileName
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//生成3个随机数，用来生成新的文件名字
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String newFileName = "单灯数据" + RandomUtil.randomString(3) + ".xlsx";
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if (!file.exists()) {
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//如果文件不存在就跳出
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return;
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}
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ips = new FileInputStream(file);
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response.setContentType("application/json;charset=utf-8");
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//为文件重新设置名字，采用数据库内存储的文件名称
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response.addHeader("Content-Disposition", "attachment; filename=\"" + new String(newFileName.getBytes("UTF-8"), "ISO8859-1") + "\"");
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out = response.getOutputStream();
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//读取文件流
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int len = 0;
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byte[] buffer = new byte[1024 * 10];
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while ((len = ips.read(buffer)) != -1) {
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out.write(buffer, 0, len);
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}
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out.flush();
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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try {
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out.close();
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ips.close();
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file.delete();
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} catch (IOException e) {
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System.out.println("关闭流出现异常");
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e.printStackTrace();
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}
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}
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}
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}
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