Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\block_content\Controller;
Chris@0: 
Chris@0: use Drupal\Core\Controller\ControllerBase;
Chris@0: use Drupal\Core\Entity\EntityStorageInterface;
Chris@0: use Drupal\block_content\BlockContentTypeInterface;
Chris@0: use Drupal\Core\Extension\ThemeHandlerInterface;
Chris@0: use Drupal\Core\Url;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: 
Chris@0: class BlockContentController extends ControllerBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * The custom block storage.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityStorageInterface
Chris@0:    */
Chris@0:   protected $blockContentStorage;
Chris@0: 
Chris@0:   /**
Chris@0:    * The custom block type storage.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityStorageInterface
Chris@0:    */
Chris@0:   protected $blockContentTypeStorage;
Chris@0: 
Chris@0:   /**
Chris@0:    * The theme handler.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Extension\ThemeHandlerInterface
Chris@0:    */
Chris@0:   protected $themeHandler;
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container) {
Chris@0:     $entity_manager = $container->get('entity.manager');
Chris@0:     return new static(
Chris@0:       $entity_manager->getStorage('block_content'),
Chris@0:       $entity_manager->getStorage('block_content_type'),
Chris@0:       $container->get('theme_handler')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a BlockContent object.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityStorageInterface $block_content_storage
Chris@0:    *   The custom block storage.
Chris@0:    * @param \Drupal\Core\Entity\EntityStorageInterface $block_content_type_storage
Chris@0:    *   The custom block type storage.
Chris@0:    * @param \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler
Chris@0:    *   The theme handler.
Chris@0:    */
Chris@0:   public function __construct(EntityStorageInterface $block_content_storage, EntityStorageInterface $block_content_type_storage, ThemeHandlerInterface $theme_handler) {
Chris@0:     $this->blockContentStorage = $block_content_storage;
Chris@0:     $this->blockContentTypeStorage = $block_content_type_storage;
Chris@0:     $this->themeHandler = $theme_handler;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Displays add custom block links for available types.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\HttpFoundation\Request $request
Chris@0:    *   The current request object.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   A render array for a list of the custom block types that can be added or
Chris@0:    *   if there is only one custom block type defined for the site, the function
Chris@0:    *   returns the custom block add page for that custom block type.
Chris@0:    */
Chris@0:   public function add(Request $request) {
Chris@0:     $types = $this->blockContentTypeStorage->loadMultiple();
Chris@0:     if ($types && count($types) == 1) {
Chris@0:       $type = reset($types);
Chris@0:       return $this->addForm($type, $request);
Chris@0:     }
Chris@0:     if (count($types) === 0) {
Chris@0:       return [
Chris@0:         '#markup' => $this->t('You have not created any block types yet. Go to the <a href=":url">block type creation page</a> to add a new block type.', [
Chris@0:           ':url' => Url::fromRoute('block_content.type_add')->toString(),
Chris@0:         ]),
Chris@0:       ];
Chris@0:     }
Chris@0: 
Chris@0:     return ['#theme' => 'block_content_add_list', '#content' => $types];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Presents the custom block creation form.
Chris@0:    *
Chris@0:    * @param \Drupal\block_content\BlockContentTypeInterface $block_content_type
Chris@0:    *   The custom block type to add.
Chris@0:    * @param \Symfony\Component\HttpFoundation\Request $request
Chris@0:    *   The current request object.
Chris@0:    *
Chris@0:    * @return array
Chris@16:    *   A form array as expected by
Chris@16:    *   \Drupal\Core\Render\RendererInterface::render().
Chris@0:    */
Chris@0:   public function addForm(BlockContentTypeInterface $block_content_type, Request $request) {
Chris@0:     $block = $this->blockContentStorage->create([
Chris@17:       'type' => $block_content_type->id(),
Chris@0:     ]);
Chris@0:     if (($theme = $request->query->get('theme')) && in_array($theme, array_keys($this->themeHandler->listInfo()))) {
Chris@0:       // We have navigated to this page from the block library and will keep track
Chris@0:       // of the theme for redirecting the user to the configuration page for the
Chris@0:       // newly created block in the given theme.
Chris@0:       $block->setTheme($theme);
Chris@0:     }
Chris@0:     return $this->entityFormBuilder()->getForm($block);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides the page title for this controller.
Chris@0:    *
Chris@0:    * @param \Drupal\block_content\BlockContentTypeInterface $block_content_type
Chris@0:    *   The custom block type being added.
Chris@0:    *
Chris@0:    * @return string
Chris@0:    *   The page title.
Chris@0:    */
Chris@0:   public function getAddFormTitle(BlockContentTypeInterface $block_content_type) {
Chris@0:     return $this->t('Add %type custom block', ['%type' => $block_content_type->label()]);
Chris@0:   }
Chris@0: 
Chris@0: }