82 lines
3.2 KiB
PHP
82 lines
3.2 KiB
PHP
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<?php
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/*
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+-------------------------------------------------------------------------+
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| iCalendar functions for the Calendar Plugin |
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| Version 0.3 beta |
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| This program is free software; you can redistribute it and/or modify |
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| it under the terms of the GNU General Public License version 2 |
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| as published by the Free Software Foundation. |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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| You should have received a copy of the GNU General Public License along |
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| with this program; if not, write to the Free Software Foundation, Inc., |
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| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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+-------------------------------------------------------------------------+
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| Author: Lazlo Westerhof <hello@lazlo.me> |
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+-------------------------------------------------------------------------+
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*/
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class calendar_ical
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{
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private $rc;
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private $driver;
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function __construct($rc, $driver) {
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$this->rc = $rc;
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$this->driver = $driver;
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}
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/**
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* Import events from iCalendar format
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*
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* @param array Associative events array
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* @access public
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*/
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public function import($events) {
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//TODO
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// for ($events as $event)
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// $this->backend->newEvent(...);
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}
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/**
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* Export events to iCalendar format
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*
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* @param array Events as array
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* @return string Events in iCalendar format (http://tools.ietf.org/html/rfc5545)
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* @access public
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*/
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public function export($events) {
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if (!empty($this->rc->user->ID)) {
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$ical = "BEGIN:VCALENDAR\n";
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$ical .= "VERSION:2.0\n";
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$ical .= "PRODID:-//Roundcube Webmail//NONSGML Calendar//EN\n";
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foreach ($events as $event) {
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$ical .= "BEGIN:VEVENT\n";
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$ical .= "DTSTART:" . date('Ymd\THis\Z', $event['start'] - date('Z')) . "\n";
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$ical .= "DTEND:" . date('Ymd\THis\Z', $event['end'] - date('Z')) . "\n";
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$ical .= "SUMMARY:" . $event['title'] . "\n";
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$ical .= "DESCRIPTION:" . $event['description'] . "\n";
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if (!empty($event['location'])) {
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$ical .= "LOCATION:" . $event['location'] . "\n";
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}
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if(!empty($event['categories'])) {
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$ical .= "CATEGORIES:" . strtoupper($event['categories']) . "\n";
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}
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if ($event['private']) {
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$ical .= 'X-CALENDARSERVER-ACCESS:CONFIDENTIAL';
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}
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$ical .= 'TRANSP:' . ($event['free_busy'] == 'free' ? 'TRANSPARENT' : 'OPAQUE');
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$ical .= "END:VEVENT\n";
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}
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$ical .= "END:VCALENDAR";
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return $ical;
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}
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}
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}
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