forked from aksdb/CalAnonSync
Implemented ICal update
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e3c64211e0
commit
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@ -10,6 +10,7 @@ import (
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"log"
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"net/http"
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"net/url"
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"regexp"
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"strings"
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"text/template"
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"time"
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@ -73,6 +74,31 @@ func (i ICal) getTimeField(f string) time.Time {
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return time.Time{}
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}
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var fieldMatch = regexp.MustCompile(`^(\w+)[;:]`)
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// Update the ical structure with a new start/end time (and the
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// timestamp of the last modification).
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func (ical *ICal) Update(newStart, newEnd time.Time) {
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for i, line := range ical.eventData {
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match := fieldMatch.FindStringSubmatch(line)
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if match == nil {
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continue
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}
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// For last modification
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now := time.Now().UTC()
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switch match[1] {
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case "DTSTART":
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ical.eventData[i] = "DTSTART:" + newStart.UTC().Format(ICAL_TIME) + "Z"
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case "DTEND":
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ical.eventData[i] = "DTEND:" + newEnd.UTC().Format(ICAL_TIME) + "Z"
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case "DTSTAMP", "LAST-MODIFIED":
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ical.eventData[i] = match[1] + ":" + now.Format(ICAL_TIME) + "Z"
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}
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}
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}
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// Retrieve the start time of the event.
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func (i ICal) Start() time.Time {
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return i.getTimeField("DTSTART")
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@ -73,6 +73,68 @@ func TestParseICal(t *testing.T) {
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})
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}
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func TestICal_Update(t *testing.T) {
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newStart := time.Date(2019, 10, 05, 10, 25, 0, 0, time.UTC)
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newEnd := time.Date(2019, 10, 05, 10, 55, 30, 0, time.UTC)
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t.Run("Values updated", func(t *testing.T) {
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ical, _ := ParseICal(strings.NewReader(icsSimple))
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ical.Update(newStart, newEnd)
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if ical.Start() != newStart {
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t.Error("Start not updated correctly")
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}
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if ical.End() != newEnd {
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t.Error("End not updated correctly")
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}
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if ical.getTimeField("DTSTAMP").Sub(time.Now()) > 5*time.Second {
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t.Error("Timestamp doesn't seem to be updated")
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}
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})
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t.Run("Other values untouched", func(t *testing.T) {
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// Use a ICal structure with dummy/unknown fields but also without
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// DTSTAMP or LAST-MODIFIED, so we can do a string comparison against
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// known values.
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ical, _ := ParseICal(strings.NewReader(`BEGIN:VCALENDAR
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PRODID:-//some//thing//EN
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VERSION:2.0
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UNKNOWN:FIELD
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SOME;MORE:STUFF
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BEGIN:VEVENT
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UID:WHATEVERID
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SUMMARY:Summary
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CLASS:PUBLIC
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DTSTART:20180308T113000Z
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DTEND:20180308T130000Z
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CREATED:20180401T182238Z
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END:VEVENT
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EVEN;MORE:STUFF
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END:VCALENDAR`))
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ical.Update(newStart, newEnd)
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if ical.String() != `BEGIN:VCALENDAR
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PRODID:-//some//thing//EN
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VERSION:2.0
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UNKNOWN:FIELD
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SOME;MORE:STUFF
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BEGIN:VEVENT
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UID:WHATEVERID
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SUMMARY:Summary
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CLASS:PUBLIC
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DTSTART:20191005T102500Z
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DTEND:20191005T105530Z
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CREATED:20180401T182238Z
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END:VEVENT
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EVEN;MORE:STUFF
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END:VCALENDAR` {
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t.Error("The resulting ICS seems wrong.")
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}
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})
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}
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const icsWithTZ = `BEGIN:VCALENDAR
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PRODID:-//Ximian//NONSGML Evolution Calendar//EN
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VERSION:2.0
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