nextcloud/apps/dav/lib/CalDAV/Reminder/NotificationProvider/AbstractProvider.php

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2019, Thomas Citharel
* @copyright Copyright (c) 2019, Georg Ehrke
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Georg Ehrke <oc.list@georgehrke.com>
* @author Joas Schilling <coding@schilljs.com>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @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 OCA\DAV\CalDAV\Reminder\NotificationProvider;
use OCA\DAV\CalDAV\Reminder\INotificationProvider;
use OCP\IConfig;
use OCP\IL10N;
use OCP\ILogger;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\L10N\IFactory as L10NFactory;
use Sabre\VObject\Component\VEvent;
use Sabre\VObject\DateTimeParser;
use Sabre\VObject\Property;
/**
* Class AbstractProvider
*
* @package OCA\DAV\CalDAV\Reminder\NotificationProvider
*/
abstract class AbstractProvider implements INotificationProvider {
/** @var string */
public const NOTIFICATION_TYPE = '';
/** @var ILogger */
protected $logger;
/** @var L10NFactory */
protected $l10nFactory;
/** @var IL10N[] */
private $l10ns;
/** @var string */
private $fallbackLanguage;
/** @var IURLGenerator */
protected $urlGenerator;
/** @var IConfig */
protected $config;
/**
* @param ILogger $logger
* @param L10NFactory $l10nFactory
* @param IConfig $config
* @param IUrlGenerator $urlGenerator
*/
public function __construct(ILogger $logger,
L10NFactory $l10nFactory,
IURLGenerator $urlGenerator,
IConfig $config) {
$this->logger = $logger;
$this->l10nFactory = $l10nFactory;
$this->urlGenerator = $urlGenerator;
$this->config = $config;
}
/**
* Send notification
*
* @param VEvent $vevent
* @param string $calendarDisplayName
* @param IUser[] $users
* @return void
*/
abstract public function send(VEvent $vevent,
string $calendarDisplayName,
array $users = []): void;
/**
* @return string
*/
protected function getFallbackLanguage():string {
if ($this->fallbackLanguage) {
return $this->fallbackLanguage;
}
$fallbackLanguage = $this->l10nFactory->findLanguage();
$this->fallbackLanguage = $fallbackLanguage;
return $fallbackLanguage;
}
/**
* @param string $lang
* @return bool
*/
protected function hasL10NForLang(string $lang):bool {
return $this->l10nFactory->languageExists('dav', $lang);
}
/**
* @param string $lang
* @return IL10N
*/
protected function getL10NForLang(string $lang):IL10N {
if (isset($this->l10ns[$lang])) {
return $this->l10ns[$lang];
}
$l10n = $this->l10nFactory->get('dav', $lang);
$this->l10ns[$lang] = $l10n;
return $l10n;
}
/**
* @param VEvent $vevent
* @return string
*/
private function getStatusOfEvent(VEvent $vevent):string {
if ($vevent->STATUS) {
return (string) $vevent->STATUS;
}
// Doesn't say so in the standard,
// but we consider events without a status
// to be confirmed
return 'CONFIRMED';
}
/**
* @param VEvent $vevent
* @return bool
*/
protected function isEventTentative(VEvent $vevent):bool {
return $this->getStatusOfEvent($vevent) === 'TENTATIVE';
}
/**
* @param VEvent $vevent
* @return Property\ICalendar\DateTime
*/
protected function getDTEndFromEvent(VEvent $vevent):Property\ICalendar\DateTime {
if (isset($vevent->DTEND)) {
return $vevent->DTEND;
}
if (isset($vevent->DURATION)) {
$isFloating = $vevent->DTSTART->isFloating();
/** @var Property\ICalendar\DateTime $end */
$end = clone $vevent->DTSTART;
$endDateTime = $end->getDateTime();
$endDateTime = $endDateTime->add(DateTimeParser::parse($vevent->DURATION->getValue()));
$end->setDateTime($endDateTime, $isFloating);
return $end;
}
if (!$vevent->DTSTART->hasTime()) {
$isFloating = $vevent->DTSTART->isFloating();
/** @var Property\ICalendar\DateTime $end */
$end = clone $vevent->DTSTART;
$endDateTime = $end->getDateTime();
$endDateTime = $endDateTime->modify('+1 day');
$end->setDateTime($endDateTime, $isFloating);
return $end;
}
return clone $vevent->DTSTART;
}
}