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