micro/util/time/duration.go

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package time
import (
"fmt"
"time"
)
type Duration int64
func ParseDuration(s string) (time.Duration, error) {
if s == "" {
return 0, fmt.Errorf(`time: invalid duration "` + s + `"`)
}
//var sb strings.Builder
/*
for i, r := range s {
switch r {
case 'd':
n, err := strconv.Atoi(s[idx:i])
if err != nil {
return 0, errors.New("time: invalid duration " + s)
}
s[idx:i] = fmt.Sprintf("%d", n*24)
default:
sb.WriteRune(r)
}
}
*/
var td time.Duration
var err error
switch s[len(s)-1] {
case 's', 'm', 'h':
td, err = time.ParseDuration(s)
case 'd':
if td, err = time.ParseDuration(s[:len(s)-1] + "h"); err == nil {
td *= 24
}
case 'y':
if td, err = time.ParseDuration(s[:len(s)-1] + "h"); err == nil {
year := time.Date(time.Now().Year(), time.December, 31, 0, 0, 0, 0, time.Local)
days := year.YearDay()
td *= 24 * time.Duration(days)
}
}
return td, err
}