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<?php
/**
* @copyright Copyright (c) 2019 Thomas Citharel <tcit@tcit.fr>
*
* @author Thomas Citharel <tcit@tcit.fr>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\DAV\CalDAV\Reminder;
use OCA\DAV\AppInfo\Application;
use OCP\IL10N;
use OCP\L10N\IFactory;
use OCP\Notification\INotification;
use OCP\Notification\INotifier;
use OCP\IURLGenerator;
class Notifier implements INotifier {
/** @var array */
public static $units = [
'y' => 'year',
'm' => 'month',
'd' => 'day',
'h' => 'hour',
'i' => 'minute',
's' => 'second',
];
/** @var IFactory */
protected $factory;
/** @var IURLGenerator */
protected $urlGenerator;
/** @var IL10N */
protected $l;
public function __construct(IFactory $factory, IURLGenerator $urlGenerator) {
$this->factory = $factory;
$this->urlGenerator = $urlGenerator;
}
/**
* @param INotification $notification
* @param string $languageCode The code of the language that should be used to prepare the notification
* @return INotification
* @throws \Exception
*/
public function prepare(INotification $notification, string $languageCode):INotification {
if ($notification->getApp() !== Application::APP_ID) {
throw new \InvalidArgumentException('Notification not from this app');
}
// Read the language from the notification
$this->l = $this->factory->get('dav', $languageCode);
if ($notification->getSubject() === 'calendar_reminder') {
$subjectParameters = $notification->getSubjectParameters();
$notification->setParsedSubject($this->processEventTitle($subjectParameters));
$messageParameters = $notification->getMessageParameters();
$notification->setParsedMessage($this->processEventDescription($messageParameters));
$notification->setIcon($this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'places/calendar.svg')));
return $notification;
}
// Unknown subject => Unknown notification => throw
throw new \InvalidArgumentException('Unknown subject');
}
/**
* @param array $event
* @return string
* @throws \Exception
*/
private function processEventTitle(array $event):string {
$event_datetime = new \DateTime();
$event_datetime->setTimestamp($event['start']);
$now = new \DateTime();
$diff = $event_datetime->diff($now);
foreach (self::$units as $attribute => $unit) {
$count = $diff->$attribute;
if (0 !== $count) {
return $this->getPluralizedTitle($count, $diff->invert, $unit, $event['title']);
}
}
return '';
}
/**
*
* @param int $count
* @param int $invert
* @param string $unit
* @param string $title
* @return string
*/
private function getPluralizedTitle(int $count, int $invert, string $unit, string $title):string {
if ($invert) {
return $this->l->n('%s (in one %s)', '%s (in %n %ss)', $count, [$title, $unit]);
}
// This should probably not show up
return $this->l->n('%s (one %s ago)', '%s (%n %ss ago)', $count, [$title, $unit]);
}
/**
* @param array $event
* @return string
*/
private function processEventDescription(array $event):string {
$description = [
$this->l->t('Calendar: %s', $event['calendar']),
$this->l->t('Date: %s', $event['when']),
];
if ($event['description']) {
$description[] = $this->l->t('Description: %s', $event['description']);
}
if ($event['location']) {
$description[] = $this->l->t('Where: %s', $event['location']);
}
return implode('<br>', $description);
}
}
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