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caldav_invitation_calendar.php
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caldav_invitation_calendar.php
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<?php
/**
* CalDAV calendar storage class simulating a virtual calendar listing pedning/declined invitations
*
* @author Aleksander Machniak <machniak@apheleia-it.ch>
*
* Copyright (C) 2014-2024, Apheleia IT AG <contact@apheleia-it.ch>
*
* 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/>.
*/
require_once __DIR__ . '/../kolab/kolab_invitation_calendar.php';
class caldav_invitation_calendar extends kolab_invitation_calendar
{
public $id = '__caldav_invitation__';
/**
* Get attachment body
*
* @see calendar_driver::get_attachment_body()
*/
public function get_attachment_body($id, $event)
{
// find the actual folder this event resides in
if (!empty($event['_folder_id'])) {
$cal = $this->cal->driver->get_calendar($event['_folder_id']);
} else {
$cal = null;
foreach ($this->_list_calendars() as $cal_id) {
$cal = $this->cal->driver->get_calendar($cal_id);
if ($cal->get_event($event['id'])) {
break;
}
}
}
if ($cal && $cal->storage) {
return $cal->get_attachment_body($id, $event);
}
return false;
}
/**
* @param int $start Event's new start (unix timestamp)
* @param int $end Event's new end (unix timestamp)
* @param string $search Search query (optional)
* @param bool $virtual Include virtual events (optional)
* @param array $query Additional parameters to query storage
*
* @return array A list of event records
*/
public function list_events($start, $end, $search = null, $virtual = true, $query = [])
{
// get email addresses of the current user
$user_emails = $this->cal->get_user_emails();
$subquery = [];
foreach ($user_emails as $email) {
foreach ($this->partstats as $partstat) {
$subquery[] = ['tags', '=', 'x-partstat:' . $email . ':' . strtolower($partstat)];
}
}
$events = [];
// aggregate events from all calendar folders
foreach ($this->_list_calendars() as $cal_id) {
$cal = $this->cal->driver->get_calendar($cal_id);
foreach ($cal->list_events($start, $end, $search, 1, $query, [[$subquery, 'OR']]) as $event) {
$match = false;
// post-filter events to match out partstats
if (!empty($event['attendees'])) {
foreach ($event['attendees'] as $attendee) {
if (
!empty($attendee['email']) && in_array_nocase($attendee['email'], $user_emails)
&& !empty($attendee['status']) && in_array($attendee['status'], $this->partstats)
) {
$match = true;
break;
}
}
}
if ($match) {
$uid = !empty($event['id']) ? $event['id'] : $event['uid'];
$events[$uid] = $this->_mod_event($event, $cal->id);
}
}
// merge list of event categories (really?)
$this->categories += $cal->categories;
}
return $events;
}
/**
* Get number of events in the given calendar
*
* @param int $start Date range start (unix timestamp)
* @param int $end Date range end (unix timestamp)
* @param array $filter Additional query to filter events
*
* @return int Count
*/
public function count_events($start, $end = null, $filter = null)
{
// get email addresses of the current user
$user_emails = $this->cal->get_user_emails();
$subquery = [];
foreach ($user_emails as $email) {
foreach ($this->partstats as $partstat) {
$subquery[] = ['tags', '=', 'x-partstat:' . $email . ':' . strtolower($partstat)];
}
}
$filter = [
['tags', '!=', 'x-status:cancelled'],
[$subquery, 'OR'],
];
// aggregate counts from all calendar folders
$count = 0;
foreach ($this->_list_calendars() as $cal_id) {
$cal = $this->cal->driver->get_calendar($cal_id);
$count += $cal->count_events($start, $end, $filter);
}
return $count;
}
/**
* Get IDs of all personal DAV calendars
*/
private function _list_calendars()
{
$exceptions = [
caldav_driver::INVITATIONS_CALENDAR_PENDING,
caldav_driver::INVITATIONS_CALENDAR_DECLINED,
caldav_driver::BIRTHDAY_CALENDAR_ID,
];
$list = array_filter(
$this->cal->driver->list_calendars(),
function ($prop) use ($exceptions) {
return !in_array($prop['id'], $exceptions) && strpos($prop['group'] ?? '', 'other') === false;
}
);
return array_keys($list);
}
}

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Expires
Apr 4 2026, 10:12 AM (4 w, 3 d ago)
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caldav_invitation_calendar.php (5 KB)

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