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kolab_storage_cache_event.php
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kolab_storage_cache_event.php
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<?php
/**
* Kolab storage cache class for calendar event objects
*
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2013, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class kolab_storage_cache_event extends kolab_storage_cache
{
protected $extra_cols = array('dtstart','dtend');
protected $data_props = array('categories', 'status', 'attendees'); // start, end
/**
* Helper method to convert the given Kolab object into a dataset to be written to cache
*
* @override
*/
protected function _serialize($object)
{
$sql_data = parent::_serialize($object);
$sql_data['dtstart'] = $this->_convert_datetime($object['start'] ?? null);
$sql_data['dtend'] = $this->_convert_datetime($object['end'] ?? null);
// extend date range for recurring events
if (!empty($object['recurrence'])) {
$recurrence = new kolab_date_recurrence($object['_formatobj']);
$dtend = $recurrence->end() ?: new DateTime('now +100 years');
$sql_data['dtend'] = $this->_convert_datetime($dtend);
}
// extend start/end dates to spawn all exceptions
if (!empty($object['exceptions'])) {
foreach ($object['exceptions'] as $exception) {
if (($exception['start'] ?? null) instanceof DateTimeInterface) {
$exstart = $this->_convert_datetime($exception['start']);
if ($exstart < $sql_data['dtstart']) {
$sql_data['dtstart'] = $exstart;
}
}
if (($exception['end'] ?? null) instanceof DateTimeInterface) {
$exend = $this->_convert_datetime($exception['end']);
if ($exend > $sql_data['dtend']) {
$sql_data['dtend'] = $exend;
}
}
}
}
return $sql_data;
}
}

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