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<?php
namespace AE\History\ViewHelpers;
use Doctrine\ORM\EntityNotFoundException;
use Neos\Flow\Annotations as Flow;
use Neos\FluidAdaptor\Core\ViewHelper\AbstractConditionViewHelper;
use Neos\FluidAdaptor\Core\ViewHelper\Exception as ViewHelperException;
use Neos\Media\Domain\Model\AssetInterface;
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
/**
* Checks if an asset exists.
*/
class AssetExistsViewHelper extends AbstractConditionViewHelper
{
* @return void
*
* @throws ViewHelperException
public function initializeArguments() : void
$this->registerArgument('asset', AssetInterface::class, 'The asset to check for existence.', true);
$this->registerArgument('then', 'mixed', 'Value to be returned if the asset exists.', false);
$this->registerArgument('else', 'mixed', 'Value to be returned if the asset doesn\'t exist.', false);
}
* @param array|null $arguments
* @param RenderingContextInterface $renderingContext
* @return bool
protected static function evaluateCondition($arguments = null, RenderingContextInterface $renderingContext) : bool
try {
$arguments['asset']->getResource();
} catch (EntityNotFoundException $exception) {
return false;
return true;
aertmann /
history
