eta_chart_lib/models/handle_data.go

package models

import (
	"eta_gn/eta_chart_lib/utils"
	"time"
)

// HandleDataByPreviousData 当前日期无值时,用上一个日期的数据补充当前日期的数据
func HandleDataByPreviousData(edbInfoDataList []*EdbDataList, handleDataMap map[string]float64) (err error) {
	if len(edbInfoDataList) < 2 {
		return
	}

	var startEdbInfoData *EdbDataList
	for _, v := range edbInfoDataList {
		handleDataMap[v.DataTime] = v.Value

		// 第一个数据就给过滤了,给后面的试用
		if startEdbInfoData == nil {
			startEdbInfoData = v
			continue
		}

		// 获取两条数据之间相差的天数
		startDataTime, _ := time.ParseInLocation(utils.FormatDate, startEdbInfoData.DataTime, time.Local)
		currDataTime, _ := time.ParseInLocation(utils.FormatDate, v.DataTime, time.Local)
		betweenHour := int(currDataTime.Sub(startDataTime).Hours())
		betweenDay := betweenHour / 24

		// 如果相差一天,那么过滤
		if betweenDay <= 1 {
			startEdbInfoData = v
			continue
		}

		// 生成对应的值
		{
			for i := 1; i < betweenDay; i++ {
				tmpDataTime := startDataTime.AddDate(0, 0, i)
				handleDataMap[tmpDataTime.Format(utils.FormatDate)] = startEdbInfoData.Value
			}
		}

		startEdbInfoData = v
	}

	return
}