util/util.go

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2020-03-30 22:40:09 +00:00
package goutil
import (
"errors"
"math"
"os"
"regexp"
"time"
"github.com/hako/durafmt"
)
func FilterToAlnum(input string) string {
re := regexp.MustCompile("[^a-zA-Z0-9]+")
return re.ReplaceAllString(input, "")
}
func TimeDiffHuman(first time.Time, second time.Time) string {
if first.Before(second) {
return durafmt.ParseShort(second.Sub(first)).String()
} else {
return durafmt.ParseShort(first.Sub(second)).String()
}
}
// Does anyone else use uints for things that are always >=0 like counts and
func TimeDiffAbsSeconds(first time.Time, second time.Time) uint {
return uint(math.Abs(first.Sub(second).Truncate(time.Second).Seconds()))
}
func Mkdirp(p string) error {
src, err := os.Stat(p)
if os.IsNotExist(err) {
errDir := os.MkdirAll(p, 0755)
if errDir != nil {
return err
}
return nil
}
if src.Mode().IsRegular() {
return errors.New("file already exists at path")
}
return nil
}