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127 lines
3.4 KiB
127 lines
3.4 KiB
package service
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import (
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"time"
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)
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// 绝对时间线段
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type TimeLineSrv struct {
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StartTime time.Time // 时间曲线的起始时间点
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EndTime time.Time // 时间曲线的结束时间点
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Duration time.Duration
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EffFactor float64 // 效率因子
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WorkShiftNr int // 人员班组编号
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}
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// 初始化，获取时间差值 = (结束时间 - 开始时间) * 效率因子
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func (tlsrv *TimeLineSrv)Init(starttime, endtime time.Time){
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var seconds float64
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tlsrv.StartTime = starttime
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tlsrv.EndTime = endtime
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if tlsrv.EffFactor <= 0 {
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tlsrv.EffFactor = 1.0
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}
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if tlsrv.StartTime.Unix() > tlsrv.EndTime.Unix() {
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tlsrv.Duration = 0
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}else{
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seconds = tlsrv.EndTime.Sub(tlsrv.StartTime).Seconds() * tlsrv.EffFactor
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tlsrv.Duration = time.Duration(seconds) * time.Second
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}
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}
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// 获取时间线的Duration，不考虑效率因子
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func (tlsrv *TimeLineSrv)GetDuration()(duration time.Duration){
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if tlsrv.StartTime.Unix() > tlsrv.EndTime.Unix() {
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duration = 0
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return
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}else{
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duration = tlsrv.EndTime.Sub(tlsrv.StartTime)
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return
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}
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}
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// 获取时间线的Duration，考虑效率因子
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func (tlsrv *TimeLineSrv)GetEffDuration()(effDuration time.Duration){
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var seconds float64
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if tlsrv.StartTime.Unix() > tlsrv.EndTime.Unix() {
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effDuration = 0
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return
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}else{
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if tlsrv.EffFactor <= 0 {
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tlsrv.EffFactor = 1.0
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}
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seconds = tlsrv.EndTime.Sub(tlsrv.StartTime).Seconds() * tlsrv.EffFactor
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effDuration = time.Duration(seconds) * time.Second
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return
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}
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}
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// 基于线段的起始时间和持续时间计算在该线段上的结束时间
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func (tlsrv *TimeLineSrv)GetEndTimeByDuration(duration time.Duration)(endTime time.Time){
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var seconds float64
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if tlsrv.Duration <= duration{
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endTime = tlsrv.EndTime
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return
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}else{
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if tlsrv.EffFactor <= 0 {
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tlsrv.EffFactor = 1.0
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}
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seconds = duration.Seconds() / tlsrv.EffFactor
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endTime = tlsrv.EndTime.Add(-time.Duration(seconds) * time.Second)
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return
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}
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return
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}
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// 基于落在线段内的起始时间计算到线段结束的Duration
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func (tlsrv *TimeLineSrv)GetDurationByStartTime(startTime time.Time)(duration time.Duration){
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var seconds float64
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if startTime.Unix() >= tlsrv.EndTime.Unix(){
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duration = 0
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return
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}
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if startTime.Unix() < tlsrv.StartTime.Unix(){
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duration = tlsrv.Duration
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return
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}
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seconds = tlsrv.EndTime.Sub(startTime).Seconds() * tlsrv.EffFactor
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duration = time.Duration(seconds) * time.Second
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return
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}
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// 基于落在线段的起始时间计算到指定结束时间的Duration
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func (tlsrv *TimeLineSrv)GetDurationByEndTime(endTime time.Time)(duration time.Duration){
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var seconds float64
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if endTime.Unix() <= tlsrv.StartTime.Unix(){
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duration = 0
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return
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}
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if endTime.Unix() >= tlsrv.EndTime.Unix(){
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duration = tlsrv.Duration
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return
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}
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seconds = endTime.Sub(tlsrv.StartTime).Seconds() * tlsrv.EffFactor
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duration = time.Duration(seconds) * time.Second
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return
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}
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// 获取线段上两个时间点之间的Duration
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func (tlsrv *TimeLineSrv)GetDurationByStartEndTime(startTime, endTime time.Time)(duration time.Duration){
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var seconds float64
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if startTime.Unix() < tlsrv.StartTime.Unix(){
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startTime = tlsrv.StartTime
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}
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if endTime.Unix() > tlsrv.EndTime.Unix(){
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endTime = tlsrv.EndTime
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}
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if endTime.Unix() <= startTime.Unix(){
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duration = 0
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return
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}
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seconds = endTime.Sub(startTime).Seconds() * tlsrv.EffFactor
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duration = time.Duration(seconds) * time.Second
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return
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}
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