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.CityConfigAqi;
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import com.moral.api.mapper.CityAqiMapper;
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import com.moral.api.service.CityAqiService;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.moral.api.service.CityConfigAqiService;
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import com.moral.constant.Constants;
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import com.moral.constant.RedisConstants;
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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.data.redis.core.RedisTemplate;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.ResponseEntity;
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import org.springframework.stereotype.Service;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.util.MultiValueMap;
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import org.springframework.util.ObjectUtils;
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import org.springframework.web.client.RestTemplate;
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import java.util.ArrayList;
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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实测小时数据表 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 2021-10-11
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*/
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@Service
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public class CityAqiServiceImpl extends ServiceImpl<CityAqiMapper, CityAqi> implements CityAqiService {
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@Autowired
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private CityAqiMapper cityAqiMapper;
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@Autowired
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private CityConfigAqiService cityConfigAqiService;
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@Autowired
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private RestTemplate restTemplate;
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@Autowired
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private RedisTemplate redisTemplate;
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//城市aqi数据来源于，阿里云市场：墨迹天气（基础版CityID）全国历史天气预报接口
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@Override
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public void insertCityAqi() {
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//pubtime=08的数据，是07-08之间的数据，存入数据库时的时间为07点
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Date now = new Date();
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Date time = DateUtils.dataToTimeStampTime(now, DateUtils.yyyy_MM_dd_HH_EN);
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//存入数据库是time字段实际时间
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Date dataTime = DateUtils.addHours(time, -1);
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Date start = null;
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if (DateUtils.getHour(time) >= 8 || DateUtils.getHour(time) == 0) {
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start = DateUtils.addHours(time, -8);
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}
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//获取城市配置
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QueryWrapper<CityConfigAqi> wrapper = new QueryWrapper<>();
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wrapper.select("city_code", "city_id").eq("is_delete", Constants.NOT_DELETE);
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List<CityConfigAqi> list = cityConfigAqiService.list(wrapper);
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//获取历史数据，用于计算臭氧滑动值
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Map<Integer, List<Map<String, Object>>> cityData = null;
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if (start != null) {
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QueryWrapper<CityAqi> queryWrapper = new QueryWrapper<>();
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List<Integer> cityCodes = list.stream().map(CityConfigAqi::getCityCode)
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.collect(Collectors.toList());
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queryWrapper.select("city_code", "time", "value")
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.ge("time", start)
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.in("city_code", cityCodes);
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List<Map<String, Object>> selectMaps = cityAqiMapper.selectMaps(queryWrapper);
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//按city_code分组
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cityData = selectMaps.stream()
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.collect(Collectors.groupingBy(o -> Integer.parseInt(o.get("city_code").toString())));
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}
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List<CityAqi> cityAqiList = new ArrayList<>();
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String url = "http://aliv13.data.moji.com/whapi/json/alicityweather/aqi";
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String appcode = "31b6ea8f804a4472be3b633cfee44849";
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HttpHeaders httpHeaders = new HttpHeaders();
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httpHeaders.add("Authorization", "APPCODE " + appcode);
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//请求参数
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LinkedMultiValueMap<String, Object> requestParams = new LinkedMultiValueMap<>();
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for (CityConfigAqi cityConfigAqi : list) {
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CityAqi cityAqi = new CityAqi();
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Integer cityCode = cityConfigAqi.getCityCode();
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Map<String, Object> data;
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try {
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//从第三方接口获取数据
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requestParams.set("cityId", cityConfigAqi.getCityId());
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HttpEntity<MultiValueMap<String, Object>> httpEntity = new HttpEntity<>(requestParams, httpHeaders);
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ResponseEntity<String> response = restTemplate.postForEntity(url, httpEntity, String.class);
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data = JSONObject.parseObject(response.getBody(), Map.class);
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} catch (Exception e) {
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continue;
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}
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if (ObjectUtils.isEmpty(data)) {
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continue;
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}
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Map<String, Object> map = (Map<String, Object>) data.get("data");
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Map<String, Object> aqi = (Map<String, Object>) map.get("aqi");
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aqi.remove("pm25");
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aqi.remove("pm10");
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aqi.remove("so2");
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aqi.remove("no2");
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aqi.remove("co");
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aqi.remove("o3");
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aqi.put("PM2_5", aqi.remove("pm25C"));
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aqi.put("PM10", aqi.remove("pm10C"));
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aqi.put("SO2", aqi.remove("so2C"));
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aqi.put("NO2", aqi.remove("no2C"));
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aqi.put("CO", aqi.remove("coC"));
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aqi.put("O3", aqi.remove("o3C"));
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aqi.put("AQI", aqi.remove("value"));
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//o3滑动值计算
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if (cityData != null) {
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List<Map<String, Object>> cityAqis = cityData.get(cityCode);
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if (cityAqis == null) {
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cityAqis = new ArrayList<>();
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}
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Map<String, Object> params = new HashMap<>();
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params.put("time", DateUtils.dateToDateString(dataTime, DateUtils.yyyy_MM_dd_HH_mm_ss_S_EN));
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params.put("value", JSONObject.toJSONString(aqi));
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cityAqis.add(params);
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if (cityAqis.size() >= 6) {
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OptionalDouble average = cityAqis.stream().flatMapToDouble(v -> {
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Map<String, Object> dataValue = JSONObject.parseObject((String) v.get("value"), Map.class);
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double o3 = Double.parseDouble(dataValue.get("O3").toString());
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return DoubleStream.of(o3);
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}).average();
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if (average.isPresent()) {
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double O3_8H = AmendUtils.sciCal(average.getAsDouble(), 0);
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aqi.put("O3_8H", O3_8H);
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}
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}
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}
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//综合指数计算
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Map<String, Object> temp = new HashMap<>(aqi);
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temp.put("O3", temp.get("O3_8H"));
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Double compositeIndex = ComprehensiveIndexUtils.dailyData(temp);
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aqi.put("compositeIndex", compositeIndex);
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//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, aqi.get("PM2_5"));
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sixParamMap.put(Constants.SENSOR_CODE_PM10, aqi.get("PM10"));
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sixParamMap.put(Constants.SENSOR_CODE_SO2, aqi.get("SO2"));
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sixParamMap.put(Constants.SENSOR_CODE_NO2, aqi.get("NO2"));
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sixParamMap.put(Constants.SENSOR_CODE_CO, aqi.get("CO"));
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sixParamMap.put(Constants.SENSOR_CODE_O3, aqi.get("O3"));
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AQI aqiAndPollutant = AQIUtils.hourlyAQI(sixParamMap);
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aqi.put("primaryPollutant", aqiAndPollutant.getPrimaryPollutantNames());
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cityAqi.setCityCode(cityCode);
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cityAqi.setTime(dataTime);
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cityAqi.setValue(JSONObject.toJSONString(aqi));
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cityAqiList.add(cityAqi);
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//存入redis
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redisTemplate.opsForHash().put(RedisConstants.CITY_AQI, cityCode.toString(), aqi);
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}
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cityAqiMapper.insertCityAqi(cityAqiList);
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}
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@Override
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public List<CityAqi> getCityAqi() {
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String time = DateUtils.getDateStringOfHour(-1, DateUtils.yyyy_MM_dd_HH_EN) + ":00:00";
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QueryWrapper<CityAqi> queryWrapper = new QueryWrapper<>();
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queryWrapper.eq("time", time);
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return cityAqiMapper.selectList(queryWrapper);
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}
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}
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