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166 lines
5.0 KiB
166 lines
5.0 KiB
4 years ago
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<?php
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namespace Drupal\islandora_advanced_search\Controller;
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use Drupal\Core\Ajax\AjaxResponse;
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use Drupal\Core\Ajax\ReplaceCommand;
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use Drupal\Core\Controller\ControllerBase;
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use Drupal\Core\Path\CurrentPathStack;
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use Drupal\Core\PathProcessor\PathProcessorManager;
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use Drupal\Core\Render\RendererInterface;
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use Drupal\Core\Routing\CurrentRouteMatch;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\RequestStack;
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
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use Symfony\Component\Routing\RouterInterface;
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/**
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* Defines a controller to load a facet via AJAX.
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*/
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class AjaxBlocksController extends ControllerBase {
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/**
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* The entity storage for block.
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*
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* @var \Drupal\Core\Entity\EntityStorageInterface
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*/
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protected $storage;
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/**
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* The renderer.
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*
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* @var \Drupal\Core\Render\RendererInterface
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*/
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protected $renderer;
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/**
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* The current path.
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*
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* @var \Drupal\Core\Path\CurrentPathStack
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*/
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protected $currentPath;
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/**
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* The dynamic router service.
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*
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* @var \Symfony\Component\Routing\Matcher\RequestMatcherInterface
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*/
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protected $router;
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/**
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* The path processor service.
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*
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* @var \Drupal\Core\PathProcessor\InboundPathProcessorInterface
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*/
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protected $pathProcessor;
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/**
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* The current route match service.
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*
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* @var \Drupal\Core\Routing\CurrentRouteMatch
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*/
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protected $currentRouteMatch;
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/**
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* The service container this instance should use.
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*
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* @var \Symfony\Component\DependencyInjection\ContainerInterface
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*/
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protected $container;
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/**
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* Constructs a FacetBlockAjaxController object.
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*
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* @param \Drupal\Core\Render\RendererInterface $renderer
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* The renderer service.
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* @param \Drupal\Core\Path\CurrentPathStack $currentPath
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* The current path service.
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* @param \Symfony\Component\Routing\RouterInterface $router
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* The router service.
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* @param \Drupal\Core\PathProcessor\PathProcessorManager $pathProcessor
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* The path processor manager.
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* @param \Drupal\Core\Routing\CurrentRouteMatch $currentRouteMatch
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* The current route match service.
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* @param \Symfony\Component\DependencyInjection\ContainerInterface $container
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* The drupal container.
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*/
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public function __construct(RendererInterface $renderer, CurrentPathStack $currentPath, RouterInterface $router, PathProcessorManager $pathProcessor, CurrentRouteMatch $currentRouteMatch, ContainerInterface $container) {
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$this->storage = $this->entityTypeManager()->getStorage('block');
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$this->renderer = $renderer;
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$this->currentPath = $currentPath;
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$this->router = $router;
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$this->pathProcessor = $pathProcessor;
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$this->currentRouteMatch = $currentRouteMatch;
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$this->container = $container;
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}
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/**
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* {@inheritdoc}
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*/
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public static function create(ContainerInterface $container) {
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return new static(
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$container->get('renderer'),
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$container->get('path.current'),
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$container->get('router'),
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$container->get('path_processor_manager'),
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$container->get('current_route_match'),
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$container
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);
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}
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/**
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* Loads and renders the facet blocks via AJAX.
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*
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* @param \Symfony\Component\HttpFoundation\Request $request
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* The current request object.
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*
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* @return \Drupal\Core\Ajax\AjaxResponse
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* The ajax response.
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*
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* @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
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* Thrown when the view was not found.
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*/
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public function respond(Request $request) {
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$response = new AjaxResponse();
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// Rebuild the request and the current path, needed for facets.
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$path = $request->request->get('link');
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$blocks = $request->request->get('blocks');
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// Make sure we are not updating blocks multiple times.
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$blocks = array_unique($blocks);
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if (empty($path) || empty($blocks)) {
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throw new NotFoundHttpException('No facet link or facet blocks found.');
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}
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$new_request = Request::create($path);
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$request_stack = new RequestStack();
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$processed = $this->pathProcessor->processInbound($new_request->getPathInfo(), $new_request);
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$this->currentPath->setPath($processed);
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$request->attributes->add($this->router->matchRequest($new_request));
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$this->currentRouteMatch->resetRouteMatch();
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$request_stack->push($new_request);
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$this->container->set('request_stack', $request_stack);
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// Build the facets blocks found for the current request and update.
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foreach ($blocks as $block_id => $block_selector) {
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$block_entity = $this->storage->load($block_id);
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if ($block_entity) {
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// Render a block, then add it to the response as a replace command.
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$block_view = $this->entityTypeManager
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->getViewBuilder('block')
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->view($block_entity);
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$block_view = (string) $this->renderer->renderPlain($block_view);
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$response->addCommand(new ReplaceCommand($block_selector, $block_view));
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}
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}
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return $response;
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}
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}
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