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time.go
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time.go
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// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
package utils
import (
"errors"
"fmt"
"github.com/iwind/TeaGo/types"
"regexp"
)
// RangeTimes 计算时间点
func RangeTimes(timeFrom string, timeTo string, everyMinutes int32) (result []string, err error) {
if everyMinutes <= 0 {
return nil, errors.New("invalid 'everyMinutes'")
}
var reg = regexp.MustCompile(`^\d{4}$`)
if !reg.MatchString(timeFrom) {
return nil, errors.New("invalid timeFrom '" + timeFrom + "'")
}
if !reg.MatchString(timeTo) {
return nil, errors.New("invalid timeTo '" + timeTo + "'")
}
if timeFrom > timeTo {
// swap
timeFrom, timeTo = timeTo, timeFrom
}
var everyMinutesInt = int(everyMinutes)
var fromHour = types.Int(timeFrom[:2])
var fromMinute = types.Int(timeFrom[2:])
var toHour = types.Int(timeTo[:2])
var toMinute = types.Int(timeTo[2:])
if fromMinute%everyMinutesInt == 0 {
result = append(result, timeFrom)
}
for {
fromMinute += everyMinutesInt
if fromMinute > 59 {
fromHour += fromMinute / 60
fromMinute = fromMinute % 60
}
if fromHour > toHour || (fromHour == toHour && fromMinute > toMinute) {
break
}
result = append(result, fmt.Sprintf("%02d%02d", fromHour, fromMinute))
}
return
}