package com.flightfeather.uav.biz.dataprocess
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import com.flightfeather.uav.common.location.TrackSegment
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import com.flightfeather.uav.common.net.AMapService
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import com.flightfeather.uav.domain.entity.BaseRealTimeData
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import com.flightfeather.uav.domain.entity.Mission
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import com.flightfeather.uav.domain.entity.SegmentInfo
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import com.flightfeather.uav.domain.entity.avg
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import com.flightfeather.uav.domain.repository.RealTimeDataRep
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import com.flightfeather.uav.domain.repository.SegmentInfoRep
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import org.springframework.stereotype.Component
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import java.math.BigDecimal
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/**
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* 走航轨迹按照路段进行分割
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* @date 2024/7/4
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* @author feiyu02
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*/
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@Component
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class RoadSegment(
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private val realTimeDataRep: RealTimeDataRep,
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private val segmentInfoRep: SegmentInfoRep,
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) {
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fun handle(mission: Mission) {
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// 获取数据分段
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val data = mutableListOf<BaseRealTimeData>()
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realTimeDataRep.fetchData(mission).forEach {
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// 去除无效经纬度
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if ((it.longitude != null && it.longitude != BigDecimal.ZERO)
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&& (it.latitude != null && it.latitude != BigDecimal.ZERO)
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) {
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data.add(it)
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}
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}
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val sData = TrackSegment.segmentWithRoad(data)
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// 根据每个分段的GPS坐标均值通过高德API转换为高德坐标
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val avgGPS = mutableListOf<Pair<Double, Double>>()
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sData.forEach {
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val d = it.avg()
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if (d.longitude != null && d.latitude != null) {
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avgGPS.add(d.longitude!!.toDouble() to d.latitude!!.toDouble())
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}
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}
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val gdGPS = mutableListOf<Pair<Double, Double>>()
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val _avgGPS = prepareForConvert(avgGPS)
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_avgGPS.forEach {
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gdGPS.addAll(AMapService.coordinateConvert(it))
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}
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// 通过高德API查询坐标对应的路段
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val segmentInfoList = mutableListOf<SegmentInfo>()
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gdGPS.forEachIndexed { i, pair ->
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val address = AMapService.reGeo(pair)
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segmentInfoList.add(SegmentInfo().apply {
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missionCode = mission.missionCode
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deviceCode = mission.deviceCode
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startTime = sData[i][0].dataTime
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endTime = sData[i].last().dataTime
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provinceName = address.province
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cityCode = address.citycode
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districtCode = address.adcode
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districtName = address.district
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townCode = address.towncode
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towmName = address.township
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street = address.street
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})
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}
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// 结果入库
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saveResult(segmentInfoList)
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}
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/**
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* 坐标转换分段准备
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* 高德API的坐标转换接口一次访问最多支持40对坐标
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*/
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private fun prepareForConvert(gpsList: List<Pair<Double, Double>>): List<List<Pair<Double, Double>>> {
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val res = mutableListOf<List<Pair<Double, Double>>>()
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val maxLen = 40
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var start = 0
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var end = start + maxLen
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while (end < gpsList.size) {
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res.add(gpsList.subList(start, end))
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start += maxLen
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end += maxLen
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}
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if (start < gpsList.size) {
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res.add(gpsList.subList(start, gpsList.size))
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}
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return res
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}
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/**
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* 结果入库
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* 入库之前，将连续并属于同一道路的记录合并
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*/
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private fun saveResult(segmentInfoList:List<SegmentInfo>) {
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val res = mutableListOf<SegmentInfo>()
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segmentInfoList.forEach { s ->
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// 判断当前记录和上个记录是否数据同一条道路
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if (res.isNotEmpty()) {
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val lastOne = res.last()
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// 若属于同一道路，合并
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if (lastOne.street == s.street) {
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lastOne.endTime = s.endTime
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} else {
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res.add(s)
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}
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} else {
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res.add(s)
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}
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}
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segmentInfoRep.insert(res)
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}
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}
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