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.config.mybatis.MybatisPlusConfig;
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import com.moral.api.entity.HistoryFiveMinutely;
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import com.moral.api.entity.HistoryHourly;
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import com.moral.api.mapper.HistoryHourlyMapper;
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import com.moral.api.service.HistoryHourlyService;
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import com.moral.constant.Constants;
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import com.moral.constant.SeparateTableType;
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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.DateUtils;
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import com.moral.util.MybatisPLUSUtils;
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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.*;
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/**
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* <p>
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* 已校准小时表 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 2021-07-14
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*/
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@Service
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public class HistoryHourlyServiceImpl implements HistoryHourlyService {
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@Autowired
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private HistoryHourlyMapper historyHourlyMapper;
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@Override
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public Map<String, Object> getHourlyAqiByMac(String mac) {
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Date now = new Date();
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String time = DateUtils.dateToDateString(now, DateUtils.yyyy_MM_dd_HH_EN) + ":00:00";
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//获取小时数据
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Map<String, Object> params = new HashMap<>();
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params.put("timeUnits", DateUtils.dateToDateString(now, DateUtils.yyyyMM_EN));
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params.put("mac", mac);
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params.put("time", time);
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String value = historyHourlyMapper.selectHourlyData(params);
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Map<String, Object> result = new HashMap<>();
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if (ObjectUtils.isEmpty(value)) {
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result.put("AQI", Constants.NULL_VALUE);
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return result;
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}
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Map<String, Object> data = JSONObject.parseObject(value, Map.class);
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AQI aqi = AQIUtils.hourlyAQI(data);
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result.put("AQI", aqi.getAQIValue());
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return result;
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}
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/**
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* @Description: 查询一段时间内某一mac的数据
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* @Param: [mac, startDate, endDate]
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* @return: java.util.List<com.moral.api.entity.HistoryHourly>
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* @Author: 陈凯裕
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* @Date: 2021/9/23
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*/
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@Override
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public List<HistoryHourly> getValueByMacAndTime(String mac,Date startDate,Date endDate){
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QueryWrapper<HistoryHourly> wrapper = new QueryWrapper<>();
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wrapper.eq("mac",mac);
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wrapper.between("time",startDate,endDate);
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List<String> tableNames = MybatisPLUSUtils.getTableNamesByWrapper(startDate, endDate, SeparateTableType.MONTH);
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List<HistoryHourly> datas = multiTableQuery(wrapper, tableNames);
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return datas;
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}
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/**
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* @Description: 多表查询，传入表名集合，以及条件wrapper，返回数据
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* @Param: [wrapper, tableNames]
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* @return: java.util.List<com.moral.api.entity.HistoryHourly>
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* @Author: 陈凯裕
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* @Date: 2021/9/23
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*/
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private List<HistoryHourly> multiTableQuery(QueryWrapper<HistoryHourly> wrapper,List<String> tableNames){
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List<HistoryHourly> result = new ArrayList<>();
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for (String tableName : tableNames) {
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MybatisPlusConfig.tableName.set(tableName);
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List<HistoryHourly> datas = historyHourlyMapper.selectList(wrapper);
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result.addAll(datas);
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}
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MybatisPlusConfig.tableName.remove();
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return result;
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}
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}
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