byrokrat\giroapp\Event\Listener\DonorStateListener

Complexity

Total Complexity

4

Size/Duplication

Total Lines	24
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__invoke()	0	7	3
A	__construct()	0	4	1

<?php

/**
 * This file is part of byrokrat\giroapp.
 *
 * byrokrat\giroapp is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * byrokrat\giroapp 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with byrokrat\giroapp. If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright 2016-21 Hannes Forsgård
 */

declare(strict_types=1);

namespace byrokrat\giroapp\Event\Listener;

use byrokrat\giroapp\Event\DonorStateUpdated;

final class DonorStateListener implements ListenerInterface
{
    /** @var string */
    private $stateId;

    /** @var callable */
    private $listener;

    /**
     * @param callable $listener Must take a DonorStateUpdated argument
     */
    public function __construct(string $stateId, callable $listener)
    {
        $this->stateId = $stateId;
        $this->listener = $listener;
    }

    public function __invoke(DonorStateUpdated $event): void
    {
        if (
            $event->getNewState()::getStateId() == $this->stateId
            || $event->getNewState() instanceof $this->stateId
        ) {
            ($this->listener)($event);
        }
    }
}