Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\book\Controller;
Chris@0: 
Chris@0: use Drupal\book\BookExport;
Chris@0: use Drupal\book\BookManagerInterface;
Chris@0: use Drupal\Core\Controller\ControllerBase;
Chris@0: use Drupal\Core\Render\RendererInterface;
Chris@0: use Drupal\Core\Url;
Chris@0: use Drupal\node\NodeInterface;
Chris@0: use Symfony\Component\DependencyInjection\Container;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\HttpFoundation\Response;
Chris@0: use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
Chris@0: 
Chris@0: /**
Chris@0:  * Controller routines for book routes.
Chris@0:  */
Chris@0: class BookController extends ControllerBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * The book manager.
Chris@0:    *
Chris@0:    * @var \Drupal\book\BookManagerInterface
Chris@0:    */
Chris@0:   protected $bookManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * The book export service.
Chris@0:    *
Chris@0:    * @var \Drupal\book\BookExport
Chris@0:    */
Chris@0:   protected $bookExport;
Chris@0: 
Chris@0:   /**
Chris@0:    * The renderer.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Render\RendererInterface
Chris@0:    */
Chris@0:   protected $renderer;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a BookController object.
Chris@0:    *
Chris@0:    * @param \Drupal\book\BookManagerInterface $bookManager
Chris@0:    *   The book manager.
Chris@0:    * @param \Drupal\book\BookExport $bookExport
Chris@0:    *   The book export service.
Chris@0:    * @param \Drupal\Core\Render\RendererInterface $renderer
Chris@0:    *   The renderer.
Chris@0:    */
Chris@0:   public function __construct(BookManagerInterface $bookManager, BookExport $bookExport, RendererInterface $renderer) {
Chris@0:     $this->bookManager = $bookManager;
Chris@0:     $this->bookExport = $bookExport;
Chris@0:     $this->renderer = $renderer;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container) {
Chris@0:     return new static(
Chris@0:       $container->get('book.manager'),
Chris@0:       $container->get('book.export'),
Chris@0:       $container->get('renderer')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Returns an administrative overview of all books.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   A render array representing the administrative page content.
Chris@0:    */
Chris@0:   public function adminOverview() {
Chris@0:     $rows = [];
Chris@0: 
Chris@0:     $headers = [t('Book'), t('Operations')];
Chris@0:     // Add any recognized books to the table list.
Chris@0:     foreach ($this->bookManager->getAllBooks() as $book) {
Chris@0:       /** @var \Drupal\Core\Url $url */
Chris@0:       $url = $book['url'];
Chris@0:       if (isset($book['options'])) {
Chris@0:         $url->setOptions($book['options']);
Chris@0:       }
Chris@0:       $row = [
Chris@0:         $this->l($book['title'], $url),
Chris@0:       ];
Chris@0:       $links = [];
Chris@0:       $links['edit'] = [
Chris@0:         'title' => t('Edit order and titles'),
Chris@0:         'url' => Url::fromRoute('book.admin_edit', ['node' => $book['nid']]),
Chris@0:       ];
Chris@0:       $row[] = [
Chris@0:         'data' => [
Chris@0:           '#type' => 'operations',
Chris@0:           '#links' => $links,
Chris@0:         ],
Chris@0:       ];
Chris@0:       $rows[] = $row;
Chris@0:     }
Chris@0:     return [
Chris@0:       '#type' => 'table',
Chris@0:       '#header' => $headers,
Chris@0:       '#rows' => $rows,
Chris@0:       '#empty' => t('No books available.'),
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Prints a listing of all books.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   A render array representing the listing of all books content.
Chris@0:    */
Chris@0:   public function bookRender() {
Chris@0:     $book_list = [];
Chris@0:     foreach ($this->bookManager->getAllBooks() as $book) {
Chris@0:       $book_list[] = $this->l($book['title'], $book['url']);
Chris@0:     }
Chris@0:     return [
Chris@0:       '#theme' => 'item_list',
Chris@0:       '#items' => $book_list,
Chris@0:       '#cache' => [
Chris@18:         'tags' => $this->entityTypeManager()->getDefinition('node')->getListCacheTags(),
Chris@0:       ],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Generates representations of a book page and its children.
Chris@0:    *
Chris@0:    * The method delegates the generation of output to helper methods. The method
Chris@0:    * name is derived by prepending 'bookExport' to the camelized form of given
Chris@0:    * output type. For example, a type of 'html' results in a call to the method
Chris@0:    * bookExportHtml().
Chris@0:    *
Chris@0:    * @param string $type
Chris@0:    *   A string encoding the type of output requested. The following types are
Chris@0:    *   currently supported in book module:
Chris@0:    *   - html: Printer-friendly HTML.
Chris@0:    *   Other types may be supported in contributed modules.
Chris@0:    * @param \Drupal\node\NodeInterface $node
Chris@0:    *   The node to export.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   A render array representing the node and its children in the book
Chris@0:    *   hierarchy in a format determined by the $type parameter.
Chris@0:    *
Chris@0:    * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
Chris@0:    */
Chris@0:   public function bookExport($type, NodeInterface $node) {
Chris@0:     $method = 'bookExport' . Container::camelize($type);
Chris@0: 
Chris@0:     // @todo Convert the custom export functionality to serializer.
Chris@0:     if (!method_exists($this->bookExport, $method)) {
Chris@17:       $this->messenger()->addStatus(t('Unknown export format.'));
Chris@0:       throw new NotFoundHttpException();
Chris@0:     }
Chris@0: 
Chris@0:     $exported_book = $this->bookExport->{$method}($node);
Chris@0:     return new Response($this->renderer->renderRoot($exported_book));
Chris@0:   }
Chris@0: 
Chris@0: }