youtube_token_paragraphs.module

<?php

use GuzzleHttp\Exception\RequestException;
use Drupal\Component\Utility\Html;
use Drupal\Component\Utility\UrlHelper;
use Drupal\field\Entity\FieldConfig;
use Drupal\Core\File\FileSystemInterface;
use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\Link;
use Drupal\Core\Url;
use Drupal\file\Entity\File;
use Drupal\image\Entity\ImageStyle;

function youtube_token_paragraphs_tokens($type, $tokens, array $data, array $options, \Drupal\Core\Render\BubbleableMetadata $bubbleable_metadata)
{
    $replacements = [];
    global $base_url;
    global $base_path;

    $url_options = ['absolute' => TRUE];

    if (isset($options['langcode'])) {
        $url_options['language'] = \Drupal::languageManager()->getLanguage($options['langcode']);
        $langcode = $options['langcode'];
    } else {
        $langcode = LanguageInterface::LANGCODE_DEFAULT;
    }

    $sanitize = !empty($options['sanitize']);

    if ($type == 'node' && !empty($data['node'])) {
        $node = $data['node'];

        foreach ($tokens as $name => $original) {
            if (!strpos($name, '__youtube_')) {
                // This isn't a youtube token!
                continue;
            }

            $token_pieces = explode(':', $name);
            if (count($token_pieces) > 2) {
                $field_name_ref = $token_pieces[0];
                $token_pieces = explode('__', $token_pieces[2]);
                if (count($token_pieces) != 2) {
                    continue;
                }
                $field_name = $token_pieces[0];
                $token_name = $token_pieces[1];
            } else {
                $token_pieces = explode('__', $name);
                if (count($token_pieces) != 2) {
                    continue;
                }

                $field_name = $token_pieces[0];
                $token_name = $token_pieces[1];
            }

            if (!$node->hasField($field_name_ref)) {
                continue;
            }

            $field_ref = $node->$field_name_ref;
            $field_ref_target_type = $field_ref->getFieldDefinition()->getSettings()['target_type'];
            $realnode = null;
            if ($field_ref_target_type == 'paragraph') {
                foreach ($field_ref->referencedEntities() as $entity_ref) {
                    if ($entity_ref->hasField($field_name)) {
                        $realnode = $entity_ref;
                        break;
                    }
                }
            }

            $realnode = $realnode == null ? $node : $realnode;
            switch ($token_name) {
                case 'youtube_video_url':
                    $replacements[$original] = '';

                    $field = $realnode->$field_name;
                    if ($video_id = $field->video_id) {
                        $replacements[$original] = 'http://www.youtube.com/watch?v=' . $video_id;
                    }
                    break;

                case 'youtube_image_url':
                    $replacements[$original] = '';

                    $field = $realnode->$field_name;
                    if ($video_id = $field->video_id) {
                        $file_uri = youtube_build_thumbnail_uri($video_id);
                        if (file_exists($file_uri) || youtube_get_remote_image($video_id)) {
                            $replacements[$original] = file_create_url($file_uri);

                            if ($style_name = \Drupal::config('youtube.settings')->get('youtube_thumb_token_image_style')) {
                                $image_style = ImageStyle::load($style_name);
                                $derivative_uri = $image_style->buildUri($file_uri);
                                if (!file_exists($derivative_uri)) {
                                    $image_style->createDerivative($file_uri, $derivative_uri);
                                }
                                $replacements[$original] = file_create_url($derivative_uri);
                            }
                        }
                    }
                    break;
            }
        }
    }

    return $replacements;
}