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<?php
/**
 * Copyright (C) 2021 Xibo Signage Ltd
 *
 * Xibo - Digital Signage - http://www.xibo.org.uk
 *
 * This file is part of Xibo.
 *
 * Xibo 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
 * any later version.
 *
 * Xibo 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 Xibo.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Xibo\Listener\OnDisplayGroupLoad;

use Xibo\Event\DisplayGroupLoadEvent;
use Xibo\Factory\MediaFactory;

class DisplayGroupMediaListener
{
    /**
     * @var MediaFactory
     */
    private $mediaFactory;

public function __construct(MediaFactory $mediaFactory)
    {
        $this->mediaFactory = $mediaFactory;
    }

public function __invoke(DisplayGroupLoadEvent $event)
    {
        $displayGroup = $event->getDisplayGroup();

$displayGroup->media = ($displayGroup->displayGroupId != null)
            ? $this->mediaFactory->getByDisplayGroupId($displayGroup->displayGroupId)
            : [];
    }
}