calendar/lib/Service/Appointments/SlotExtrapolator.php

56 lines
1.6 KiB
PHP

<?php
declare(strict_types=1);
/*
* @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @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\Calendar\Service\Appointments;
use OCA\Calendar\Db\AppointmentConfig;
class SlotExtrapolator {
/**
* @param AppointmentConfig $config
* @param Interval[] $availabilityIntervals
* @param int $to
*
* @return Interval[]
*/
public function extrapolate(AppointmentConfig $config,
array $availabilityIntervals): array {
$increment = $config->getIncrement();
$length = $config->getLength();
$slots = [];
foreach ($availabilityIntervals as $available) {
$from = $available->getStart();
$to = $available->getEnd();
for ($t = $from; ($t + $length) <= $to; $t += $increment) {
$slots[] = new Interval($t, $t + $length);
}
}
return $slots;
}
}