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<?php |
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/** |
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* @package org.openpsa.calendar |
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* @author CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @copyright CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @license http://www.gnu.org/licenses/gpl.html GNU General Public License |
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*/ |
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use Sabre\VObject\Component\VEvent; |
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use Sabre\VObject\Component\VCalendar; |
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/** |
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* vCalendar helper class |
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* |
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* @package org.openpsa.calendar |
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*/ |
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class org_openpsa_calendar_vcal |
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{ |
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/** |
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* The calendar object |
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* |
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* @var Sabre\VObject\Component\VCalendar |
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*/ |
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private $_calendar; |
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/** |
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* @param string $method vCalendar method (defaults to "publish") |
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*/ |
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public function __construct(string $method = "PUBLISH") |
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{ |
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$this->_calendar = new VCalendar; |
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$this->_calendar->VERSION = '2.0'; |
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$this->_calendar->PRODID = "-//OpenPSA//Calendar " . org_openpsa_core_version::get_version_number() . "//" . strtoupper(midcom::get()->i18n->get_current_language()); |
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$this->_calendar->METHOD = strtoupper($method); |
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} |
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/** |
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* Export event in vCalendar format |
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*/ |
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public function add_event(org_openpsa_calendar_event_dba $event) |
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{ |
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$vevent = $this->_calendar->createComponent('VEVENT'); |
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// TODO: handle UID smarter |
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$vevent->UID = "{$event->guid}-midgardGuid"; |
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$this->_add_date_fields($vevent, $event); |
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// Type handling |
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if ($event->orgOpenpsaAccesstype === org_openpsa_core_acl::ACCESS_PUBLIC) { |
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$vevent->{'CLASS'} = 'PUBLIC'; |
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} else { |
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$vevent->{'CLASS'} = 'PRIVATE'; |
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} |
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// "busy" or "transparency" as vCalendar calls it |
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$vevent->TRANSP = ($event->busy) ? 'OPAQUE' : 'TRANSPARENT'; |
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// tentative vs confirmed |
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$vevent->STATUS = 'CONFIRMED'; |
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// we don't categorize events, at least yet |
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$vevent->CATEGORIES = 'MEETING'; |
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// we don't handle priorities |
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$vevent->PRIORITY = 1; |
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// Basic fields |
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$vevent->SUMMARY = $event->title; |
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$vevent->DESCRIPTION = $event->description; |
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$vevent->LOCATION = $event->location; |
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$this->_add_participants($vevent, $event->participants); |
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$this->_calendar->add($vevent); |
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} |
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private function _add_participants(VEvent $vevent, array $participants) |
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{ |
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$participants = array_filter($participants); |
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foreach (array_keys($participants) as $uid) { |
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$person = midcom_db_person::get_cached($uid); |
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if (empty($person->email)) { |
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// Attendee must have email address of valid format, these must also be unique. |
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$person->email = preg_replace('/[^0-9_a-z]/i', '_', strtolower($person->name)) . '[email protected]'; |
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} |
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$parameters = [ |
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'ROLE' => 'REQ-PARTICIPANT', |
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'CUTYPE' => 'INDIVIDUAL', |
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'PARTSTAT' => 'ACCEPTED', |
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'CN' => $person->rname, |
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]; |
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$vevent->add('ATTENDEE', "mailto:{$person->email}", $parameters); |
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} |
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} |
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private function _add_date_fields(VEvent $vevent, org_openpsa_calendar_event_dba $event) |
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{ |
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$tz = new DateTimeZone('UTC'); |
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$revised = new DateTime('@' . $event->metadata->revised); |
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$revised->setTimezone($tz); |
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$created = new DateTime('@' . $event->metadata->created); |
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$created->setTimezone($tz); |
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$start = new DateTime('@' . $event->start); |
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$start->setTimezone($tz); |
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$end = new DateTime('@' . $event->end); |
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$end->setTimezone($tz); |
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$vevent->CREATED = $created; |
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/** |
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* The real meaning of the DTSTAMP is fuzzy at best |
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* http://www.kanzaki.com/docs/ical/dtstamp.html is less than helpful |
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* http://lists.osafoundation.org/pipermail/ietf-calsify/2007-July/001750.html |
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* seems to suggest that using the revision would be best |
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*/ |
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$vevent->DTSTAMP = $revised; |
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$vevent->{'LAST-MODIFIED'} = $revised; |
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$vevent->DTSTART = $start; |
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$vevent->DTEND = $end; |
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} |
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public function __toString() |
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{ |
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return $this->_calendar->serialize(); |
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} |
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} |
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flack /
openpsa
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