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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\DAV\Search;
use OCA\DAV\CalDAV\CalDavBackend;
use OCP\App\IAppManager;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\Search\IProvider;
use Sabre\VObject\Component;
use Sabre\VObject\Reader;
/**
* Class ACalendarSearchProvider
*
* @package OCA\DAV\Search
*/
abstract class ACalendarSearchProvider implements IProvider {
/** @var IAppManager */
protected $appManager;
/** @var IL10N */
protected $l10n;
/** @var IURLGenerator */
protected $urlGenerator;
/** @var CalDavBackend */
protected $backend;
/**
* ACalendarSearchProvider constructor.
*
* @param IAppManager $appManager
* @param IL10N $l10n
* @param IURLGenerator $urlGenerator
* @param CalDavBackend $backend
*/
public function __construct(IAppManager $appManager,
IL10N $l10n,
IURLGenerator $urlGenerator,
CalDavBackend $backend) {
$this->appManager = $appManager;
$this->l10n = $l10n;
$this->urlGenerator = $urlGenerator;
$this->backend = $backend;
}
/**
* Get an associative array of calendars
* calendarId => calendar
*
* @param string $principalUri
* @return array
*/
protected function getSortedCalendars(string $principalUri): array {
$calendars = $this->backend->getCalendarsForUser($principalUri);
$calendarsById = [];
foreach ($calendars as $calendar) {
$calendarsById[(int) $calendar['id']] = $calendar;
}
return $calendarsById;
}
/**
* Get an associative array of subscriptions
* subscriptionId => subscription
*
* @param string $principalUri
* @return array
*/
protected function getSortedSubscriptions(string $principalUri): array {
$subscriptions = $this->backend->getSubscriptionsForUser($principalUri);
$subscriptionsById = [];
foreach ($subscriptions as $subscription) {
$subscriptionsById[(int) $subscription['id']] = $subscription;
}
return $subscriptionsById;
}
/**
* Returns the primary VEvent / VJournal / VTodo component
* If it's a component with recurrence-ids, it will return
* the primary component
*
* TODO: It would be a nice enhancement to show recurrence-exceptions
* as individual search-results.
* For now we will just display the primary element of a recurrence-set.
*
* @param string $calendarData
* @param string $componentName
* @return Component
*/
protected function getPrimaryComponent(string $calendarData, string $componentName): Component {
$vCalendar = Reader::read($calendarData, Reader::OPTION_FORGIVING);
$components = $vCalendar->select($componentName);
if (count($components) === 1) {
return $components[0];
}
// If it's a recurrence-set, take the primary element
foreach ($components as $component) {
/** @var Component $component */
if (!$component->{'RECURRENCE-ID'}) {
return $component;
}
}
// In case of error, just fallback to the first element in the set
return $components[0];
}
}
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