heiglandreas/holidayChecker

<?php

declare(strict_types=1);

/**
 * Copyright (c) Andreas Heigl<andreas@heigl.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @author    Andreas Heigl<andreas@heigl.org>
 * @copyright Andreas Heigl
 * @license   http://www.opensource.org/licenses/mit-license.php MIT-License
 * @since     08.03.2017
 * @link      http://github.com/heiglandreas/org.heigl.Holidaychecker
 */

namespace Org_Heigl\Holidaychecker\IteratorItem;

use DateTimeImmutable;
use DateTimeInterface;
use Org_Heigl\Holidaychecker\HolidayIteratorItemInterface;
use function sprintf;

class Relative implements HolidayIteratorItemInterface
{
    private $day;

    private $month;

    private $relation;

    private $holiday;

    private $name;

    public function __construct(string $name, bool $holiday, int $day, int $month, string $relation)
    {
        $this->day = $day;
        $this->month = $month;
        $this->relation = $relation;
        $this->holiday = $holiday;
        $this->name = $name;
    }

    public function dateMatches(DateTimeInterface $date): bool
    {
        $year = (int) $date->format('Y');

        $day = new DateTimeImmutable(sprintf(
            '%s-%s-%s',
            $year,
            $this->month,
            $this->day
        ));

        /** @var DateTimeImmutable|false $day */
        $day = $day->modify($this->relation);

        if ($day === false) {
            return false;
        }

        return $date->format('Y-m-d') === $day->format('Y-m-d');
    }

    public function getName(): string
    {
        return $this->name;
    }

    public function isHoliday(): bool
    {
        return $this->holiday;
    }
}