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| package util
import (
"fmt"
"math"
"time"
"github.com/pkg/errors"
)
const (
dateFmtDateStr = "Monday, January 2 2006"
dateFmtFull = "2006-01-02 15:04:05"
dateFmtFullMS = "2006-01-02 15:04:05.000000"
dateFmtHours = "15:04:05"
dateFmtHTML = "2006-01-02T15:04:05"
dateFmtJS = "2006-01-02T15:04:05Z"
dateFmtJSFull = "2006-01-02T15:04:05.000Z"
dateFmtRFC3339 = "2006-01-02T15:04:05.000Z07:00"
dateFmtVerbose = "Mon Jan 2 15:04:05 2006 -0700"
dateFmtYMD = "2006-01-02"
)
func TimeToFull(d *time.Time) string {
return TimeToString(d, dateFmtFull)
}
func TimeToFullMS(d *time.Time) string {
return TimeToString(d, dateFmtFullMS)
}
func TimeToHours(d *time.Time) string {
return TimeToString(d, dateFmtHours)
}
func TimeToHTML(d *time.Time) string {
return TimeToString(d, dateFmtHTML)
}
func TimeToJS(d *time.Time) string {
return TimeToString(d, dateFmtJS)
}
func TimeToJSFull(d *time.Time) string {
return TimeToString(d, dateFmtJSFull)
}
func TimeToRFC3339(d *time.Time) string {
return TimeToString(d, dateFmtRFC3339)
}
func TimeToVerbose(d *time.Time) string {
return TimeToString(d, dateFmtVerbose)
}
func TimeToDateString(d *time.Time) string {
return TimeToString(d, dateFmtDateStr)
}
func TimeToYMD(d *time.Time) string {
return TimeToString(d, dateFmtYMD)
}
func TimeFromFull(s string) (*time.Time, error) {
return TimeFromStringFmt(s, dateFmtFull)
}
func TimeFromFullMS(s string) (*time.Time, error) {
return TimeFromStringFmt(s, dateFmtFullMS)
}
func TimeFromHTML(s string) (*time.Time, error) {
return TimeFromStringFmt(s, dateFmtHTML)
}
func TimeFromJS(s string) (*time.Time, error) {
return TimeFromStringFmt(s, dateFmtJS)
}
func TimeFromRFC3339(s string) (*time.Time, error) {
return TimeFromStringFmt(s, dateFmtRFC3339)
}
func TimeFromVerbose(s string) (*time.Time, error) {
return TimeFromStringFmt(s, dateFmtVerbose)
}
func TimeFromYMD(s string) (*time.Time, error) {
return TimeFromStringFmt(s, dateFmtYMD)
}
func TimeFromStringFmt(s string, format string) (*time.Time, error) {
if s == "" {
return nil, nil
}
ret, err := time.Parse(format, s)
if err != nil {
return nil, errors.Errorf("invalid date string [%s], expected [%s]", s, format)
}
return &ret, nil
}
func FormatSeconds(x float64) string {
wholeSeconds := int(x)
fractionalPart := x - float64(wholeSeconds)
hours := wholeSeconds / 3600
minutes := (wholeSeconds % 3600) / 60
seconds := wholeSeconds % 60
var result string
if hours > 0 {
result += fmt.Sprintf("%dh ", hours)
}
if minutes > 0 || hours > 0 {
result += fmt.Sprintf("%dm ", minutes)
}
if fractionalPart > 0 {
result += fmt.Sprintf("%.03fs", float64(seconds)+fractionalPart)
} else {
result += fmt.Sprintf("%ds", seconds)
}
return result
}
func FormatSecondsFull(x float64) string {
wholeSeconds := int(x)
fractionalPart := x - float64(wholeSeconds)
hours := wholeSeconds / 3600
minutes := (wholeSeconds % 3600) / 60
seconds := wholeSeconds % 60
var result []string
f := func(key string, x int) {
result = append(result, StringPlural(x, key))
}
if hours > 0 {
f("hour", hours)
}
if minutes > 0 || hours > 0 {
f("minute", minutes)
}
f("second", seconds)
if fractionalPart > 0 {
result = append(result, fmt.Sprintf("%d milliseconds", int(math.Round(fractionalPart*1000))))
}
return StringJoin(result, ", ")
}
|