package com.moral.api.service.impl;
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import com.alibaba.fastjson.JSONObject;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.moral.api.entity.CityAqi;
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import com.moral.api.entity.CityAqiDaily;
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import com.moral.api.mapper.CityAqiDailyMapper;
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import com.moral.api.service.CityAqiDailyService;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.moral.api.service.CityAqiService;
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import com.moral.constant.Constants;
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import com.moral.pojo.AQI;
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import com.moral.util.AQIUtils;
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import com.moral.util.AmendUtils;
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import com.moral.util.ComprehensiveIndexUtils;
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import com.moral.util.DateUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.util.ObjectUtils;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.OptionalDouble;
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import java.util.stream.Collectors;
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import java.util.stream.DoubleStream;
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/**
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* <p>
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* 城市aqi日数据表 服务实现类
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* </p>
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*
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* @author moral
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* @since 2021-10-28
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*/
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@Service
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public class CityAqiDailyServiceImpl extends ServiceImpl<CityAqiDailyMapper, CityAqiDaily> implements CityAqiDailyService {
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@Autowired
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private CityAqiDailyMapper cityAqiDailyMapper;
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@Autowired
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private CityAqiService cityAqiService;
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@Override
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public void insertCityAqiDaily() {
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//需要均值计算的因子
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List<String> sensors = Arrays.asList("PM2_5", "PM10", "SO2", "NO2", "CO");
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String format = DateUtils.yyyy_MM_dd_EN;
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Date now = new Date();
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//开始时间，昨日
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Date start = DateUtils.dataToTimeStampTime(DateUtils.getDateOfDay(now, -1), format);
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//结束时间，今日
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Date end = DateUtils.dataToTimeStampTime(now, format);
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//获取所有城市aqi小时数据
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QueryWrapper<CityAqi> wrapper = new QueryWrapper<>();
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wrapper.select("city_code", "time", "value")
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.ge("time", start)
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.lt("time", end);
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List<Map<String, Object>> dailyData = cityAqiService.listMaps(wrapper);
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if (dailyData.size() == 0) {
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return;
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}
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//按city_code分组
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Map<String, List<Map<String, Object>>> data = dailyData.stream()
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.collect(Collectors.groupingBy(o -> o.get("city_code").toString()));
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List<CityAqiDaily> cityAqiDailies = new ArrayList<>();
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data.forEach((cityCode, value) -> {
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CityAqiDaily cityAqiDaily = new CityAqiDaily();
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Map<String, Object> jsonMap = new HashMap<>();
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cityAqiDaily.setCityCode(Integer.parseInt(cityCode));
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cityAqiDaily.setTime(start);
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//O3日均值单独计算，滑动值算法
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if (!ObjectUtils.isEmpty(value)) {
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Double o3OfDay = AmendUtils.o3OfDay(value);
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if (o3OfDay != null) {
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jsonMap.put("O3", o3OfDay);
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}
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}
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sensors.forEach(sensor -> {
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OptionalDouble optionalDouble = value.stream().flatMapToDouble(v -> {
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Map<String, Object> dataValue = JSONObject.parseObject((String) v.get("value"), Map.class);
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Object sensorValue = dataValue.get(sensor);
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if (ObjectUtils.isEmpty(sensorValue)) {
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return null;
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}
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double aDouble = Double.parseDouble(sensorValue.toString());
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return DoubleStream.of(aDouble);
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}).average();
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if (optionalDouble.isPresent()) {
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//银行家算法修约
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double sciCal;
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if ("CO".equals(sensor)) {
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sciCal = AmendUtils.sciCal(optionalDouble.getAsDouble(), 1);
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} else {
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sciCal = AmendUtils.sciCal(optionalDouble.getAsDouble(), 0);
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}
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jsonMap.put(sensor, sciCal);
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}
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});
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//日aqi,首要污染物计算
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Map<String, Object> sixParamMap = new HashMap<>();
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sixParamMap.put(Constants.SENSOR_CODE_PM25, jsonMap.get("PM2_5"));
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sixParamMap.put(Constants.SENSOR_CODE_PM10, jsonMap.get("PM10"));
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sixParamMap.put(Constants.SENSOR_CODE_SO2, jsonMap.get("SO2"));
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sixParamMap.put(Constants.SENSOR_CODE_NO2, jsonMap.get("NO2"));
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sixParamMap.put(Constants.SENSOR_CODE_CO, jsonMap.get("CO"));
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sixParamMap.put(Constants.SENSOR_CODE_O3, jsonMap.get("O3"));
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AQI aqi = AQIUtils.dailyAQI(sixParamMap);
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jsonMap.put("AQI", aqi.getAQIValue());
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jsonMap.put("primaryPollutant", aqi.getPrimaryPollutantNames());
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//日综合指数计算
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Double compositeIndex = ComprehensiveIndexUtils.dailyData(jsonMap);
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jsonMap.put("compositeIndex", compositeIndex);
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cityAqiDaily.setValue(JSONObject.toJSONString(jsonMap));
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cityAqiDailies.add(cityAqiDaily);
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});
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cityAqiDailyMapper.insertCityAqiDaily(cityAqiDailies);
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}
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}
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