71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package stanza
|
|
|
|
import (
|
|
"errors"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
// Helper structures and functions to manage dates and timestamps as defined in
|
|
// XEP-0082: XMPP Date and Time Profiles (https://xmpp.org/extensions/xep-0082.html)
|
|
|
|
const dateLayoutXEP0082 = "2006-01-02"
|
|
const timeLayoutXEP0082 = "15:04:05+00:00"
|
|
|
|
var InvalidDateInput = errors.New("could not parse date. Input might not be in a supported format")
|
|
var InvalidDateOutput = errors.New("could not format date as desired")
|
|
|
|
type JabberDate struct {
|
|
value time.Time
|
|
}
|
|
|
|
func (d JabberDate) DateToString() string {
|
|
return d.value.Format(dateLayoutXEP0082)
|
|
}
|
|
|
|
func (d JabberDate) DateTimeToString(nanos bool) string {
|
|
if nanos {
|
|
return d.value.Format(time.RFC3339Nano)
|
|
}
|
|
return d.value.Format(time.RFC3339)
|
|
}
|
|
|
|
func (d JabberDate) TimeToString(nanos bool) (string, error) {
|
|
if nanos {
|
|
spl := strings.Split(d.value.Format(time.RFC3339Nano), "T")
|
|
if len(spl) != 2 {
|
|
return "", InvalidDateOutput
|
|
}
|
|
return spl[1], nil
|
|
}
|
|
spl := strings.Split(d.value.Format(time.RFC3339), "T")
|
|
if len(spl) != 2 {
|
|
return "", InvalidDateOutput
|
|
}
|
|
return spl[1], nil
|
|
}
|
|
|
|
func NewJabberDateFromString(strDate string) (JabberDate, error) {
|
|
t, err := time.Parse(time.RFC3339, strDate)
|
|
if err == nil {
|
|
return JabberDate{value: t}, nil
|
|
}
|
|
|
|
t, err = time.Parse(time.RFC3339Nano, strDate)
|
|
if err == nil {
|
|
return JabberDate{value: t}, nil
|
|
}
|
|
|
|
t, err = time.Parse(dateLayoutXEP0082, strDate)
|
|
if err == nil {
|
|
return JabberDate{value: t}, nil
|
|
}
|
|
|
|
t, err = time.Parse(timeLayoutXEP0082, strDate)
|
|
if err == nil {
|
|
return JabberDate{value: t}, nil
|
|
}
|
|
|
|
return JabberDate{}, InvalidDateInput
|
|
}
|