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<?php
/**
* @copyright 2017, Georg Ehrke <oc.list@georgehrke.com>
*
* @author Georg Ehrke <oc.list@georgehrke.com>
*
* @license GNU AGPL version 3 or any later version
*
* 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/>.
*
*/
namespace OC\Calendar;
use OCP\Calendar\ICalendar;
class Manager implements \OCP\Calendar\IManager {
/**
* @var ICalendar[] holds all registered calendars
*/
private $calendars=[];
/**
* @var \Closure[] to call to load/register calendar providers
*/
private $calendarLoaders=[];
/**
* This function is used to search and find objects within the user's calendars.
* In case $pattern is empty all events/journals/todos will be returned.
*
* @param string $pattern which should match within the $searchProperties
* @param array $searchProperties defines the properties within the query pattern should match
* @param array $options - optional parameters:
* ['timerange' => ['start' => new DateTime(...), 'end' => new DateTime(...)]]
* @param integer|null $limit - limit number of search results
* @param integer|null $offset - offset for paging of search results
* @return array an array of events/journals/todos which are arrays of arrays of key-value-pairs
* @since 13.0.0
*/
public function search($pattern, array $searchProperties=[], array $options=[], $limit=null, $offset=null) {
$this->loadCalendars();
$result = [];
foreach ($this->calendars as $calendar) {
$r = $calendar->search($pattern, $searchProperties, $options, $limit, $offset);
foreach ($r as $o) {
$o['calendar-key'] = $calendar->getKey();
$result[] = $o;
}
}
return $result;
}
/**
* Check if calendars are available
*
* @return bool true if enabled, false if not
* @since 13.0.0
*/
public function isEnabled() {
return !empty($this->calendars) || !empty($this->calendarLoaders);
}
/**
* Registers a calendar
*
* @param ICalendar $calendar
* @return void
* @since 13.0.0
*/
public function registerCalendar(ICalendar $calendar) {
$this->calendars[$calendar->getKey()] = $calendar;
}
/**
* Unregisters a calendar
*
* @param ICalendar $calendar
* @return void
* @since 13.0.0
*/
public function unregisterCalendar(ICalendar $calendar) {
unset($this->calendars[$calendar->getKey()]);
}
/**
* In order to improve lazy loading a closure can be registered which will be called in case
* calendars are actually requested
*
* @param \Closure $callable
* @return void
* @since 13.0.0
*/
public function register(\Closure $callable) {
$this->calendarLoaders[] = $callable;
}
/**
* @return ICalendar[]
* @since 13.0.0
*/
public function getCalendars() {
$this->loadCalendars();
return array_values($this->calendars);
}
/**
* removes all registered calendar instances
* @return void
* @since 13.0.0
*/
public function clear() {
$this->calendars = [];
$this->calendarLoaders = [];
}
/**
* loads all calendars
*/
private function loadCalendars() {
foreach ($this->calendarLoaders as $callable) {
$callable($this);
}
$this->calendarLoaders = [];
}
}
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