chws/user-service/src/main/java/com/mh/user/strategy/PressureTransStrategy.java

package com.mh.user.strategy;

import com.mh.user.constants.Constant;
import com.mh.user.entity.DeviceCodeParamEntity;
import com.mh.user.service.*;
import com.mh.user.utils.ExchangeStringUtil;
import com.mh.user.utils.SpringBeanUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.ApplicationContext;

import java.text.DecimalFormat;

/**
 * @author LJF
 * @version 1.0
 * @project CHWS
 * @description 压力变送器策略
 * @date 2024-03-18 09:51:17
 */
@Slf4j
public class PressureTransStrategy implements DeviceStrategy {


    // 调用service
    ApplicationContext context = SpringBeanUtil.getApplicationContext();
    NowDataService nowDataService = context.getBean(NowDataService.class);
    DeviceInstallService deviceInstallService = context.getBean(DeviceInstallService.class);
    BuildingService buildingService = context.getBean(BuildingService.class);

    private static class SingletonHolder {
        private static final PressureTransStrategy INSTANCE = new PressureTransStrategy();
    }

    private PressureTransStrategy() {
        // 防止外部直接实例化
    }

    public static PressureTransStrategy getInstance() {
        return PressureTransStrategy.SingletonHolder.INSTANCE;
    }

    @Override
    public String createOrders(DeviceCodeParamEntity deviceCodeParamEntity) {
        String deviceAddr = deviceCodeParamEntity.getDeviceAddr();
        String brand = deviceCodeParamEntity.getBrand();
        String str = "";
        if (deviceAddr != null && deviceAddr.length() > 0) {
            try {
                str = ExchangeStringUtil.decToHex(deviceAddr);  //十进制转为十六进制
                str = ExchangeStringUtil.addZeroForNum(str, 2);  //以0补位
                if (Constant.BRAND_AU_SUN.equals(brand)) {
                    str = str + "0300040001";            // 新款压力变送器
                } else if (Constant.BRAND_RU_YI.equals(brand)) {
                    str = str + "0300040001";
                } else {
                    str = str + "0300000002";            // 压力变送器(新的协议)
                }
                String checkWord = ExchangeStringUtil.getStrCRC16(str); //CRC16校验
                str = str + checkWord;
            } catch (Exception e) {
                log.info("生成压变指令出错！" + str, e);
            }
        }
        return str.toUpperCase();
    }

    @Override
    public String analysisReceiveData(String dateStr, String deviceType, String registerAddr, String brand, String buildingId, String buildingName, String dataStr) {
        String result = "fail";
        String checkStr = dataStr.substring(0, dataStr.length() - 4);// 检验报文
        String checkWord = ExchangeStringUtil.getStrCRC16(checkStr);//生成校验码
        if (!checkWord.equalsIgnoreCase(dataStr.substring(dataStr.length() - 4))) {
            log.info("压变报文检验失败: " + dataStr);
            return result;
        }
        String addr = ExchangeStringUtil.hexToDec(checkStr.substring(0, 2));//地址
        String data = "";
        if (checkStr.substring(2, 4).equalsIgnoreCase("03")) {// 读
            double wtHeight = 0.0;
            if (brand == null || brand.equals("")) {
                float fdata = ExchangeStringUtil.hexToSingle(checkStr.substring(6, 14));//十六进制转浮点型
                wtHeight = fdata * 1.02; //通过压力求水高
            } else if (Constant.BRAND_AU_SUN.equals(brand) || Constant.BRAND_RU_YI.equals(brand)) {
                data = ExchangeStringUtil.hexToDec(checkStr.substring(6, 10));//十六进制转整形
                wtHeight = Double.parseDouble(data) / 100 * 0.102; //通过压力求水高
            }
            Double tankHeight = buildingService.queryTankHeight(buildingId);//水箱高,从数据库获取
            if (tankHeight == null) {
                tankHeight = 2.0;
            }
            Double wtLevel = wtHeight / tankHeight * 100; //水箱水位
            log.info("------水箱水高：" + wtLevel + "------");
            if (wtLevel <= 0) {
                wtLevel = 0.0;
            } else if (wtLevel >= 100) {
                wtLevel = 100.0;
            }
            DecimalFormat df = new DecimalFormat("0.0");
            String strWtLevel = df.format(wtLevel);
            // 更新device_install数据
            deviceInstallService.updateLastValueByOther(addr, strWtLevel, "压变", buildingId);
            nowDataService.saveNowHistoryData2(addr, "压变", strWtLevel, "waterLevel", buildingId);
            log.info("压变号：" + addr + ",保存数据库成功！楼栋名称：" + buildingName);
            nowDataService.proWaterLevel(dateStr, buildingId, addr); //楼栋水位
            log.info("------保存每栋楼小时水位情况" + dateStr + "------");
            result = strWtLevel;
        }
        return result;
    }
}