tao-test/app/taoMediaManager/model/relation/event/MediaSavedEventDispatcher.php

76 lines
2.5 KiB
PHP

<?php
/**
* This program 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; under version 2
* of the License (non-upgradable).
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2020 (original work) Open Assessment Technologies SA;
*/
declare(strict_types=1);
namespace oat\taoMediaManager\model\relation\event;
use oat\oatbox\event\EventManager;
use oat\oatbox\filesystem\File;
use oat\oatbox\service\ConfigurableService;
use oat\taoMediaManager\model\MediaService;
use oat\taoMediaManager\model\sharedStimulus\parser\SharedStimulusMediaExtractor;
use tao_helpers_File;
class MediaSavedEventDispatcher extends ConfigurableService
{
public function dispatchFromContent(string $id, string $mimeType, string $content): void
{
$elementIds = $this->isSharedStimulus($mimeType)
? $this->getSharedStimulusExtractor()->extractMediaIdentifiers($content)
: [];
$this->getEventManager()->trigger(new MediaSavedEvent($id, $elementIds));
}
/**
* @param string|File $fileSource
*/
public function dispatchFromFile(string $id, $fileSource, string $mimeType = null): void
{
if (!$mimeType) {
$mimeType = $fileSource instanceof File ? $fileSource->getMimeType() : tao_helpers_File::getMimeType($fileSource);
}
if ($this->isSharedStimulus($mimeType)) {
$content = $fileSource instanceof File ? $fileSource->read() : file_get_contents($fileSource);
} else {
$content = '';
}
$this->dispatchFromContent($id, $mimeType, $content);
}
private function isSharedStimulus($mimeType): bool
{
return $mimeType === MediaService::SHARED_STIMULUS_MIME_TYPE;
}
private function getEventManager(): EventManager
{
return $this->getServiceLocator()->get(EventManager::SERVICE_ID);
}
private function getSharedStimulusExtractor(): SharedStimulusMediaExtractor
{
return $this->getServiceLocator()->get(SharedStimulusMediaExtractor::class);
}
}