WidgetAjaxController.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Dashboard\Controller;
 
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use ‪TYPO3\CMS\Core\Http\JsonResponse;
use ‪TYPO3\CMS\Dashboard\Dashboard;
use ‪TYPO3\CMS\Dashboard\DashboardRepository;
use ‪TYPO3\CMS\Dashboard\WidgetRegistry;
use ‪TYPO3\CMS\Dashboard\Widgets\EventDataInterface;
use ‪TYPO3\CMS\Dashboard\Widgets\WidgetInterface;
 
class ‪WidgetAjaxController extends ‪AbstractController
{
    protected ‪$currentDashboard;
 
    protected ‪$dashboardRepository;
 
    protected ‪$widgetRegistry;
 
    public function ‪__construct(‪DashboardRepository ‪$dashboardRepository, ‪WidgetRegistry ‪$widgetRegistry)
    {
        $this->dashboardRepository = ‪$dashboardRepository;
        $this->widgetRegistry = ‪$widgetRegistry;
 
        $this->currentDashboard = $this->dashboardRepository->getDashboardByIdentifier($this->‪loadCurrentDashboard());
    }
 
    public function ‪getContent(ServerRequestInterface $request): ResponseInterface
    {
        $queryParams = $request->getQueryParams();
        $widget = (string)($queryParams['widget'] ?? '');
        try {
            $widgetObject = $this->widgetRegistry->getAvailableWidget($widget);
        } catch (\InvalidArgumentException $e) {
            return new ‪JsonResponse(['error' => 'Widget is not available!']);
        }
 
        if (!$widgetObject instanceof ‪WidgetInterface) {
            return new ‪JsonResponse(['error' => 'Widget doesn\'t have a valid widget class']);
        }
 
        $data = [
            'widget' => $widget,
            'content' => $widgetObject->renderWidgetContent(),
            'eventdata' => $widgetObject instanceof ‪EventDataInterface ? $widgetObject->‪getEventData() : [],
        ];
 
        return new ‪JsonResponse($data);
    }
 
    public function ‪savePositions(ServerRequestInterface $request): ResponseInterface
    {
        $body = $request->getParsedBody();
        $widgets = [];
        foreach ($body['widgets'] ?? [] as $widget) {
            if (!is_string($widget[0] ?? null) || !is_string($widget[1] ?? null)) {
                continue;
            }
            $widgets[$widget[1]] = ['identifier' => $widget[0]];
        }
 
        if ($this->currentDashboard !== null) {
            $this->dashboardRepository->updateWidgetConfig($this->currentDashboard, $widgets);
        }
        return new ‪JsonResponse(['status' => 'saved']);
    }
}