thunder_fia.module in Thunder 8.2

Thunder Article module hooks.

File

modules/thunder_article/modules/thunder_fia/thunder_fia.module

<?php

/**
 * @file
 * Thunder Article module hooks.
 */
use Drupal\Core\Render\Element;
use Drupal\node\Entity\Node;
use Drupal\paragraphs\Entity\Paragraph;

/**
 * Implements hook_theme().
 */
function thunder_fia_theme($existing, $type, $render, $path) {
  $theme = [];
  $files = scandir(DRUPAL_ROOT . '/' . $path . '/templates');
  foreach ($files as $file) {
    if ($file === '.' || $file === '..') {
      continue;
    }
    $file = str_replace('-', '_', $file);
    $file = basename($file, '.html.twig');
    $base = [];
    preg_match('/([a-z]*)_/', $file, $base);
    $theme[$file] = [
      'path' => $path . '/templates',
      'base hook' => $base[1],
    ];
  }
  return $theme;
}

/**
 * Implements hook_preprocess_views_view_row_fia().
 */
function thunder_fia_preprocess_views_view_row_fia(&$variables) {
  if ($variables['row']['#node'] instanceof Node) {

    /** @var \Drupal\node\Entity\Node $node */
    $node = $variables['row']['#node'];

    // Add teaser image to fia.
    if ($media = thunder_fia_get_first_paragraph_image_entity($node)) {
      $render_controller = \Drupal::entityTypeManager()
        ->getViewBuilder($media
        ->getEntityTypeId());
      $entityRender = $render_controller
        ->view($media, 'facebook_instant_articles_rss', NULL);
      $variables['options']['figure'] = $entityRender;
    }
    if (empty($variables['options']['figure']) && ($field_teaser_media = $node->field_teaser_media)) {

      /** @var \Drupal\media_entity\Entity\Media $entity */
      $entity = $field_teaser_media->entity;
      if (isset($entity)) {
        $render_controller = \Drupal::entityTypeManager()
          ->getViewBuilder($entity
          ->getEntityTypeId());
        $entityRender = $render_controller
          ->view($entity, 'facebook_instant_articles_rss', NULL);
        $variables['options']['figure'] = $entityRender;
      }
    }

    // Change author name to "firstname lastname".
    $owner = $node
      ->getOwner();
    if (isset($owner->first_name, $owner->last_name)) {
      $name = $owner->first_name->value . ' ' . $owner->last_name->value;
      if ($name = trim($name) && !empty($variables['options']['author'])) {
        $variables['options']['author'] = [
          '#markup' => '<a>' . $name . '</a>',
        ];
      }
    }
  }
}

/**
 * Implements hook_preprocess_node().
 */
function thunder_fia_preprocess_node(&$variables) {

  /*
   * @var string $view_mode
   *  the view mode name
   */
  $view_mode = $variables['view_mode'] = $variables['elements']['#view_mode'];
  if ($view_mode == 'fb_instant_articles_rss') {

    /*
     * If we are looking at a node using the fia rss view-mode, then only show
     * field values for entities that are also in an fia view mode
     */
    if (is_array($variables['content'])) {
      foreach ($variables['content'] as $key => $content) {
        if (isset($content['#theme']) && $content['#theme'] == 'field') {
          foreach (Element::children($content) as $index) {
            $value = $content[$index];
            if (empty($value['#view_mode'])) {
              continue;
            }
            switch ($value['#view_mode']) {
              case 'facebook_instant_articles_rss':
                break;
              default:
                $variables['content'][$key][$index]['#access'] = FALSE;
            }
          }
        }
      }

      // If first paragraph is the teaser image, don't render it.
      if (thunder_fia_get_first_paragraph_image_entity($variables['node'])) {
        $variables['content']['field_paragraphs'][0]['#access'] = FALSE;
      }
    }
  }
}

/**
 * Implements hook_preprocess_paragraph().
 */
function thunder_fia_preprocess_paragraph(&$variables) {

  /** @var \Drupal\paragraphs\Entity\Paragraph $paragraph */
  $paragraph = $variables['paragraph'];
  if ($variables['view_mode'] == "facebook_instant_articles_rss" && $paragraph instanceof Paragraph) {

    // Force 'basic_html' for text paragraphs.
    if ($paragraph
      ->getType() == 'text') {
      $variables['content']['field_text'][0]['#format'] = "basic_html";
    }
  }
}

/**
 * Checks, if the first paragraph of a node is an image and returns it.
 *
 * @param \Drupal\node\Entity\Node $node
 *   The node, which should be searched.
 *
 * @return bool|Drupal\media_entity\Entity\Media
 *   Returns false, if first paragraph is not an image,
 *   or the according media entity.
 */
function thunder_fia_get_first_paragraph_image_entity(Node $node) {
  if (isset($node->field_paragraphs[0]) && ($paragraph = $node->field_paragraphs[0]->entity)) {
    if ($paragraph
      ->getType() == 'image' && isset($paragraph->field_image->entity) && $paragraph->field_image->entity
      ->bundle() == 'image') {
      return $paragraph->field_image->entity;
    }
  }
  return FALSE;
}

Functions

Name	Description
thunder_fia_get_first_paragraph_image_entity	Checks, if the first paragraph of a node is an image and returns it.
thunder_fia_preprocess_node	Implements hook_preprocess_node().
thunder_fia_preprocess_paragraph	Implements hook_preprocess_paragraph().
thunder_fia_preprocess_views_view_row_fia	Implements hook_preprocess_views_view_row_fia().
thunder_fia_theme	Implements hook_theme().