package com.iailab.module.data.point.collection.handler;
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import com.iailab.module.data.common.enums.DataTypeEnum;
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import com.iailab.module.data.common.enums.JsErrorCode;
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import com.iailab.module.data.common.utils.JavaScriptHandler;
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import com.iailab.module.data.point.collection.utils.GenInfluxPointValueUtils;
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import com.iailab.module.data.point.dto.DaPointDTO;
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import com.iailab.module.data.point.service.DaPointService;
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import com.iailab.module.data.influxdb.pojo.InfluxPointValuePOJO;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import javax.annotation.Resource;
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import org.springframework.stereotype.Component;
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import org.springframework.util.CollectionUtils;
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import java.math.BigDecimal;
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import java.util.*;
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/**
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* 计算点处理
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*
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* @author PanZhibao
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* @Description
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* @createTime 2023年05月03日 17:40:00
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*/
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@Slf4j
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@Component
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public class CalculateHandle {
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@Resource
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private DaPointService daPointService;
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@Resource
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private MeasureHandle measureHandle;
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@Resource
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private ConstantHandle constantHandle;
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@Resource
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private JavaScriptHandler javaScriptHandler;
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public static final String regex = "[+\\-\\*\\/\\(\\)\\&\\|\\>\\<]";
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public List<InfluxPointValuePOJO> handle(Date collectTime, List<DaPointDTO> dtos, Map<String, Object> dataMap) {
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List<InfluxPointValuePOJO> result = new ArrayList<>();
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try {
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log.info("计算点处理开始");
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if (CollectionUtils.isEmpty(dtos)) {
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return result;
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}
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dtos.forEach(dto -> {
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try {
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Object value = singleCompute(dto, dataMap);
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InfluxPointValuePOJO pojo = GenInfluxPointValueUtils.getByPoint(dto, value);
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pojo.setTimestamp(collectTime.toInstant());
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result.add(pojo);
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} catch (Exception ex) {
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ex.printStackTrace();
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log.info("计算点异常!PointNo=" + dto.getPointNo());
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}
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});
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log.info("计算点处理结束");
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} catch (Exception ex) {
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ex.printStackTrace();
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log.info("计算点处理异常!");
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}
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return result;
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}
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private Object singleCompute(DaPointDTO dto, Map<String, Object> dataMap) {
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String expression = dto.getExpression();
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String[] arr = expression.split(regex);
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for (int i = 0; i < arr.length; i++) {
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String s = arr[i];
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if (StringUtils.isNotBlank(s) && dataMap.containsKey(s)) {
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expression = expression.replace(s, dataMap.get(s).toString());
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}
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}
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expression = expression.replace("&", "&&");
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expression = expression.replace("|", "||");
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expression = expression.replace("False", "false");
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expression = expression.replace("True", "true");
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log.info("PointNo=" + dto.getPointNo() + ";expression=" + expression);
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String result = javaScriptHandler.eval(expression);
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log.info("result=" + result);
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if (result == null) {
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return null;
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} else if (result.contains(JsErrorCode.Infinity.name()) ||
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result.contains(JsErrorCode.NaN.name())) {
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log.info("计算异常,使用默认值");
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return dto.getDefaultValue() == null ? BigDecimal.ZERO : dto.getDefaultValue();
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} else {
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if (DataTypeEnum.INT.getCode().equals(dto.getDataType())) {
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return new BigDecimal(result).intValue();
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} else if (DataTypeEnum.FLOAT.getCode().equals(dto.getDataType())) {
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return new BigDecimal(result).setScale(10, BigDecimal.ROUND_UP).doubleValue();
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} else if (DataTypeEnum.BOOLEAN.getCode().equals(dto.getDataType())) {
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return Boolean.parseBoolean(result);
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}
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}
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return result;
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}
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public Map<String, Object> getCurrent(List<String> pointNos) {
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Map<String, Object> data = new HashMap<>();
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List<DaPointDTO> pointMathList = daPointService.getMathPoint(pointNos);
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if (CollectionUtils.isEmpty(pointMathList)) {
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return data;
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}
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pointMathList.forEach(item -> {
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data.put(item.getPointNo(), singleCompute(item));
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});
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return data;
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}
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private Object singleCompute(DaPointDTO dto) {
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Map<String, Object> dataMap = new HashMap<>();
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String expression = dto.getExpression();
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String[] arr = expression.split(regex);
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for (int i = 0; i < arr.length; i++) {
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String s = arr[i];
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if (StringUtils.isBlank(s)) {
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continue;
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}
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List<String> pointNos = new ArrayList<>();
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pointNos.add(s);
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dataMap.putAll(measureHandle.getCurrent(pointNos));
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dataMap.putAll(constantHandle.getCurrent(pointNos));
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expression = expression.replace(s, dataMap.get(s).toString());
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}
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expression = expression.replace("&", "&&");
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expression = expression.replace("|", "||");
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expression = expression.replace("False", "false");
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expression = expression.replace("True", "true");
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log.info("PointNo=" + dto.getPointNo() + ";expression=" + expression);
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String result = javaScriptHandler.eval(expression);
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log.info("result=" + result);
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if (result == null) {
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return null;
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} else if (result.contains(JsErrorCode.Infinity.name()) ||
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result.contains(JsErrorCode.NaN.name())) {
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log.info("计算异常,使用默认值");
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return dto.getDefaultValue() == null ? BigDecimal.ZERO : dto.getDefaultValue();
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} else {
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if (DataTypeEnum.INT.getCode().equals(dto.getDataType())) {
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return new BigDecimal(result).intValue();
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} else if (DataTypeEnum.FLOAT.getCode().equals(dto.getDataType())) {
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return new BigDecimal(result).setScale(10, BigDecimal.ROUND_UP).doubleValue();
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} else if (DataTypeEnum.BOOLEAN.getCode().equals(dto.getDataType())) {
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return Boolean.parseBoolean(result);
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}
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}
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return result;
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}
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}
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