ot_typo3/ot_templating/Classes/ViewHelpers/EventsPage/GetUriViewHelper.php

<?php

namespace Opentalent\OtTemplating\ViewHelpers\EventsPage;

use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;

/**
 * Viewhelper to retrieve the Uri to the current site events page
 * The events page is the first page found which has the template 'OpenTalent.OtTemplating->events'
 * Return an empty string if no such page is found
 *
 * Call it in fluid templates with:
 *
 *     {namespace ot=Opentalent\OtTemplating\ViewHelpers}
 *
 *     {ot:eventsPage.getUri()}
 *
 * @package Opentalent\OtTemplating\ViewHelpers
 */
class GetUriViewHelper extends AbstractViewHelper
{

    public function initializeArguments()
    {
    }

    /**
     * @param array $arguments
     * @param \Closure $renderChildrenClosure
     * @param RenderingContextInterface $renderingContext
     * @return string|null
     */
    public static function renderStatic(
        array $arguments,
        \Closure $renderChildrenClosure,
        RenderingContextInterface $renderingContext
    ) {
        $pageUid = GetIdViewHelper::renderStatic($arguments, $renderChildrenClosure, $renderingContext);

        if ($pageUid == null) {
            return '';
        }

        $uriBuilder = $renderingContext->getControllerContext()->getUriBuilder();
        $uri = $uriBuilder->setTargetPageUid($pageUid)->build();
        return $uri;
    }
}