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Little code-cleanup and improvements for ical export

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This commit is contained in:
Thomas Bruederli 2011-07-27 17:42:45 +02:00
parent 08b23c4042
commit 85af82794b
1 changed files with 55 additions and 61 deletions
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116
plugins/calendar/lib/calendar_ical.php
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@ -25,6 +25,8 @@
class calendar_ical
{
const EOL = "\r\n";
private $rc;
private $driver;
@ -53,35 +55,37 @@ class calendar_ical
* @param array Events as array
* @return string Events in iCalendar format (http://tools.ietf.org/html/rfc5545)
*/
public function export($events)
public function export($events, $method = null)
{
if (!empty($this->rc->user->ID)) {
$ical = "BEGIN:VCALENDAR\r\n";
$ical .= "VERSION:2.0\r\n";
$ical .= "PRODID:-//Roundcube Webmail " . RCMAIL_VERSION . "//NONSGML Calendar//EN\r\n";
$ical .= "CALSCALE:GREGORIAN\r\n";
$ical = "BEGIN:VCALENDAR" . self::EOL;
$ical .= "VERSION:2.0" . self::EOL;
$ical .= "PRODID:-//Roundcube Webmail " . RCMAIL_VERSION . "//NONSGML Calendar//EN" . self::EOL;
$ical .= "CALSCALE:GREGORIAN" . self::EOL;
if ($method)
$ical .= "METHOD:" . strtoupper($method) . self::EOL;
foreach ($events as $event) {
$ical .= "BEGIN:VEVENT\r\n";
$ical .= "UID:" . self::escpape($event['uid']) . "\r\n";
$ical .= "DTSTART:" . gmdate('Ymd\THis\Z', $event['start']) . "\r\n";
$ical .= "DTEND:" . gmdate('Ymd\THis\Z', $event['end']) . "\r\n";
$ical .= "SUMMARY:" . self::escpape($event['title']) . "\r\n";
$ical .= "DESCRIPTION:" . wordwrap(self::escpape($event['description']),75,"\r\n ") . "\r\n";
if (!empty($event['attendees'])){
$ical .= $this->_get_attendees($event['attendees']);
}
$ical .= "BEGIN:VEVENT" . self::EOL;
$ical .= "UID:" . self::escpape($event['uid']) . self::EOL;
$ical .= "DTSTART:" . gmdate('Ymd\THis\Z', $event['start']) . self::EOL;
$ical .= "DTEND:" . gmdate('Ymd\THis\Z', $event['end']) . self::EOL;
$ical .= "SUMMARY:" . self::escpape($event['title']) . self::EOL;
$ical .= "DESCRIPTION:" . self::escpape($event['description']) . self::EOL;
if (!empty($event['attendees'])){
$ical .= $this->_get_attendees($event['attendees']);
}
if (!empty($event['location'])) {
$ical .= "LOCATION:" . self::escpape($event['location']) . "\r\n";
$ical .= "LOCATION:" . self::escpape($event['location']) . self::EOL;
}
if ($event['recurrence']) {
$ical .= "RRULE:" . calendar::to_rrule($event['recurrence']) . "\r\n";
$ical .= "RRULE:" . calendar::to_rrule($event['recurrence']) . self::EOL;
}
if(!empty($event['categories'])) {
$ical .= "CATEGORIES:" . self::escpape(strtoupper($event['categories'])) . "\r\n";
$ical .= "CATEGORIES:" . self::escpape(strtoupper($event['categories'])) . self::EOL;
}
if ($event['sensitivity'] > 0) {
$ical .= "X-CALENDARSERVER-ACCESS:CONFIDENTIAL";
@ -91,21 +95,22 @@ class calendar_ical
$val = calendar::parse_alaram_value($trigger);
$ical .= "BEGIN:VALARM\n";
if ($val[1]) $ical .= "TRIGGER:" . preg_replace('/^([-+])(.+)/', '\\1PT\\2', $trigger) . "\r\n";
else $ical .= "TRIGGER;VALUE=DATE-TIME:" . gmdate('Ymd\THis\Z', $val[0]) . "\r\n";
if ($action) $ical .= "ACTION:" . self::escpape(strtoupper($action)) . "\r\n";
if ($val[1]) $ical .= "TRIGGER:" . preg_replace('/^([-+])(.+)/', '\\1PT\\2', $trigger) . self::EOL;
else $ical .= "TRIGGER;VALUE=DATE-TIME:" . gmdate('Ymd\THis\Z', $val[0]) . self::EOL;
if ($action) $ical .= "ACTION:" . self::escpape(strtoupper($action)) . self::EOL;
$ical .= "END:VALARM\n";
}
$ical .= "TRANSP:" . ($event['free_busy'] == 'free' ? 'TRANSPARENT' : 'OPAQUE') . "\r\n";
$ical .= "TRANSP:" . ($event['free_busy'] == 'free' ? 'TRANSPARENT' : 'OPAQUE') . self::EOL;
// TODO: export attachments
$ical .= "END:VEVENT\r\n";
$ical .= "END:VEVENT" . self::EOL;
}
$ical .= "END:VCALENDAR";
$ical .= "END:VCALENDAR" . self::EOL;
return $ical;
// fold lines to 75 chars
return rcube_vcard::rfc2425_fold($ical);
}
}
@ -114,44 +119,33 @@ class calendar_ical
return preg_replace('/(?<!\\\\)([\:\;\,\\n\\r])/', '\\\$1', $str);
}
/**
/**
* Construct the orginizer of the event.
* @param Array Attendees and roles
*
*/
private function _get_attendees($ats)
{
$organizer = "";
$attendees = "";
foreach ($ats as $at){
if ($at['role']=="ORGANIZER"){
//I am an orginizer
$organizer .= "ORGANIZER;";
if (!empty($at['name']))
$organizer .="CN=".$at['name'].":";
//handling limitations according to rfc2445#section-4.1
$organizer .="MAILTO:"."\r\n ".$at['email'];
}else{
//I am an attendee
$attendees .= "ATTENDEE;ROLE=".$at['role'].";PARTSTAT=".$at['status'];
$attendees .= "\r\n "; ////handling limitations according to rfc2445#section-4.1
if (!empty($at['name']))
$attendees .=";CN=".$at['name'].":";
$attendees .="MAILTO:".$at['email']."\r\n";
private function _get_attendees($ats)
{
$organizer = "";
$attendees = "";
foreach ($ats as $at) {
if ($at['role']=="ORGANIZER") {
//I am an orginizer
$organizer .= "ORGANIZER;";
if (!empty($at['name']))
$organizer .= 'CN="' . $at['name'] . '":';
$organizer .= "mailto:". $at['email'] . self::EOL;
}
else {
//I am an attendee
$attendees .= "ATTENDEE;ROLE=" . $at['role'] . ";PARTSTAT=" . $at['status'];
if (!empty($at['name']))
$attendees .= ';CN="' . $at['name'] . '":';
$attendees .= "mailto:" . $at['email'] . self::EOL;
}
}
return $organizer . $attendees;
}
return $organizer."\r\n".$attendees;
}
}