facebookcomments.php in Facebook Comments Box 8

Namespace

Drupal\facebook_comments_box\Plugin\Block

File

src/Plugin/Block/facebookcomments.php

<?php

namespace Drupal\facebook_comments_box\Plugin\Block;

use Drupal\Core\Block\BlockBase;

/**
 * Provides a 'Example: uppercase this please' block.
 *
 * @Block(
 *   id = "facebookcomments",
 *   admin_label = @Translation("Facebook comments block")
 * )
 */
class facebookcomments extends BlockBase {

  /**
   * {@inheritdoc}
   */
  public function build() {
    $block = array();
    $fcb_title = '';
    $node_type = '';

    // Get which node types should have comments.
    $fcb_node_types = \Drupal::config('facebook_comments_box.settings')
      ->get('facebook_comments_box_node_types');

    // Figure out which node and nodetype we're on, puts comments only on
    // nodes (as opposed to the front page, views pages, term pages, etc.)
    if (arg(0) == 'node' && is_numeric(arg(1))) {
      $nid = arg(1);
      $node = node_load($nid);
      $node_type = $node->type;
      $fcb_title = check_plain($node->title);
    }
    if (isset($node_type) && in_array($node_type, $fcb_node_types) && $node->status) {

      // Figure out the current absolute URL.
      $path = isset($_GET['q']) ? $_GET['q'] : '<front>';
      $fcb_url = url($path, array(
        'absolute' => TRUE,
      ));

      // Meta mark up for the page.
      $markup = '<meta property="og:type" content="Article" />';
      $markup .= '<meta property="og:title" content="' . $fcb_title . '"/>';
      $markup .= '<meta property="og:url" content="' . $fcb_url . '"/>';
      $markup .= '<meta property="og:image" content="' . theme_get_setting('logo') . '"/>';
      $markup .= '<meta property="fb:admins" content="' . check_plain(variable_get('facebook_comments_box_admin_id', NULL)) . '">';

      // Setup the array.
      $metafcb = array(
        '#type' => 'markup',
        '#markup' => $markup,
      );

      // Add meta data to the HEAD.
      drupal_add_html_head($metafcb, 'meta-fcb');

      // Set the title of the block.
      $block['subject'] = t('Facebook Comments Box');

      // Set the content of the block.
      $fcb_content = '<div class="facebook-comments-box">';
      $fcb_content .= '<div id="fb-root"></div>';
      $fcb_content .= '<script src="http://connect.facebook.net/en_US/all.js#xfbml=1"></script>';
      $fcb_content .= '<fb:comments href="' . $fcb_url . '" ';
      $fcb_content .= ' num_posts="' . check_plain(variable_get('facebook_comments_box_default_comments', 10)) . '" ';
      $fcb_content .= ' width="' . check_plain(variable_get('facebook_comments_box_default_width', 400)) . '" ';
      $fcb_content .= ' colorscheme="' . variable_get('facebook_comments_box_default_theme', 'light') . '" ></fb:comments></div>';
      $block['content'] = $fcb_content;
    }
    return $block;
  }

}

Classes

Name	Description
facebookcomments	Provides a 'Example: uppercase this please' block.