node.tokens.inc

<?php


/**
 * @file
 * Builds placeholder replacement tokens for node-related data.
 */
use Drupal\Core\Datetime\Entity\DateFormat;
use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\Render\BubbleableMetadata;
use Drupal\user\Entity\User;

/**
 * Implements hook_token_info().
 */
function node_token_info() {
    $type = [
        'name' => t('Nodes'),
        'description' => t('Tokens related to individual content items, or "nodes".'),
        'needs-data' => 'node',
    ];
    // Core tokens for nodes.
    $node['nid'] = [
        'name' => t("Content ID"),
        'description' => t('The unique ID of the content item, or "node".'),
    ];
    $node['vid'] = [
        'name' => t("Revision ID"),
        'description' => t("The unique ID of the node's latest revision."),
    ];
    $node['type'] = [
        'name' => t("Content type"),
    ];
    $node['type-name'] = [
        'name' => t("Content type name"),
        'description' => t("The human-readable name of the node type."),
    ];
    $node['title'] = [
        'name' => t("Title"),
    ];
    $node['body'] = [
        'name' => t("Body"),
        'description' => t("The main body text of the node."),
    ];
    $node['summary'] = [
        'name' => t("Summary"),
        'description' => t("The summary of the node's main body text."),
    ];
    $node['langcode'] = [
        'name' => t('Language code'),
        'description' => t('The language code of the language the node is written in.'),
    ];
    $node['url'] = [
        'name' => t("URL"),
        'description' => t("The URL of the node."),
    ];
    $node['edit-url'] = [
        'name' => t("Edit URL"),
        'description' => t("The URL of the node's edit page."),
    ];
    // Chained tokens for nodes.
    $node['created'] = [
        'name' => t("Date created"),
        'type' => 'date',
    ];
    $node['changed'] = [
        'name' => t("Date changed"),
        'description' => t("The date the node was most recently updated."),
        'type' => 'date',
    ];
    $node['author'] = [
        'name' => t("Author"),
        'type' => 'user',
    ];
    return [
        'types' => [
            'node' => $type,
        ],
        'tokens' => [
            'node' => $node,
        ],
    ];
}

/**
 * Implements hook_tokens().
 */
function node_tokens($type, $tokens, array $data, array $options, BubbleableMetadata $bubbleable_metadata) {
    $token_service = \Drupal::token();
    $url_options = [
        'absolute' => TRUE,
    ];
    if (isset($options['langcode'])) {
        $url_options['language'] = \Drupal::languageManager()->getLanguage($options['langcode']);
        $langcode = $options['langcode'];
    }
    else {
        $langcode = LanguageInterface::LANGCODE_DEFAULT;
    }
    $replacements = [];
    if ($type == 'node' && !empty($data['node'])) {
        
        /** @var \Drupal\node\NodeInterface $node */
        $node = $data['node'];
        foreach ($tokens as $name => $original) {
            switch ($name) {
                // Simple key values on the node.
                case 'nid':
                    $replacements[$original] = $node->id();
                    break;
                case 'vid':
                    $replacements[$original] = $node->getRevisionId();
                    break;
                case 'type':
                    $replacements[$original] = $node->getType();
                    break;
                case 'type-name':
                    $type_name = node_get_type_label($node);
                    $replacements[$original] = $type_name;
                    break;
                case 'title':
                    $replacements[$original] = $node->getTitle();
                    break;
                case 'body':
                case 'summary':
                    $translation = \Drupal::service('entity.repository')->getTranslationFromContext($node, $langcode, [
                        'operation' => 'node_tokens',
                    ]);
                    if ($translation->hasField('body') && ($items = $translation->get('body')) && !$items->isEmpty()) {
                        $item = $items[0];
                        // If the summary was requested and is not empty, use it.
                        if ($name == 'summary' && !empty($item->summary)) {
                            $output = $item->summary_processed;
                        }
                        else {
                            $output = $item->processed;
                            // A summary was requested.
                            if ($name == 'summary') {
                                // Generate an optionally trimmed summary of the body field.
                                // Get the 'trim_length' size used for the 'teaser' mode, if
                                // present, or use the default trim_length size.
                                $display_options = \Drupal::service('entity_display.repository')->getViewDisplay('node', $node->getType(), 'teaser')
                                    ->getComponent('body');
                                if (isset($display_options['settings']['trim_length'])) {
                                    $length = $display_options['settings']['trim_length'];
                                }
                                else {
                                    $settings = \Drupal::service('plugin.manager.field.formatter')->getDefaultSettings('text_summary_or_trimmed');
                                    $length = $settings['trim_length'];
                                }
                                $output = text_summary($output, $item->format, $length);
                            }
                        }
                        // "processed" returns a \Drupal\Component\Render\MarkupInterface
                        // via check_markup().
                        $replacements[$original] = $output;
                    }
                    break;
                case 'langcode':
                    $replacements[$original] = $node->language()
                        ->getId();
                    break;
                case 'url':
                    $replacements[$original] = $node->toUrl('canonical', $url_options)
                        ->toString();
                    break;
                case 'edit-url':
                    $replacements[$original] = $node->toUrl('edit-form', $url_options)
                        ->toString();
                    break;
                // Default values for the chained tokens handled below.
                case 'author':
                    $account = $node->getOwner() ? $node->getOwner() : User::load(0);
                    $bubbleable_metadata->addCacheableDependency($account);
                    $replacements[$original] = $account->label();
                    break;
                case 'created':
                    $date_format = DateFormat::load('medium');
                    $bubbleable_metadata->addCacheableDependency($date_format);
                    $replacements[$original] = \Drupal::service('date.formatter')->format($node->getCreatedTime(), 'medium', '', NULL, $langcode);
                    break;
                case 'changed':
                    $date_format = DateFormat::load('medium');
                    $bubbleable_metadata->addCacheableDependency($date_format);
                    $replacements[$original] = \Drupal::service('date.formatter')->format($node->getChangedTime(), 'medium', '', NULL, $langcode);
                    break;
            }
        }
        if ($author_tokens = $token_service->findWithPrefix($tokens, 'author')) {
            $replacements += $token_service->generate('user', $author_tokens, [
                'user' => $node->getOwner(),
            ], $options, $bubbleable_metadata);
        }
        if ($created_tokens = $token_service->findWithPrefix($tokens, 'created')) {
            $replacements += $token_service->generate('date', $created_tokens, [
                'date' => $node->getCreatedTime(),
            ], $options, $bubbleable_metadata);
        }
        if ($changed_tokens = $token_service->findWithPrefix($tokens, 'changed')) {
            $replacements += $token_service->generate('date', $changed_tokens, [
                'date' => $node->getChangedTime(),
            ], $options, $bubbleable_metadata);
        }
    }
    return $replacements;
}