Chris@0: <?php
Chris@0: 
Chris@0: /**
Chris@0:  * @file
Chris@0:  * Builds placeholder replacement tokens for node-related data.
Chris@0:  */
Chris@0: 
Chris@0: use Drupal\Core\Datetime\Entity\DateFormat;
Chris@0: use Drupal\Core\Language\LanguageInterface;
Chris@0: use Drupal\Core\Render\BubbleableMetadata;
Chris@0: use Drupal\user\Entity\User;
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_token_info().
Chris@0:  */
Chris@0: function node_token_info() {
Chris@0:   $type = [
Chris@0:     'name' => t('Nodes'),
Chris@0:     'description' => t('Tokens related to individual content items, or "nodes".'),
Chris@0:     'needs-data' => 'node',
Chris@0:   ];
Chris@0: 
Chris@0:   // Core tokens for nodes.
Chris@0:   $node['nid'] = [
Chris@0:     'name' => t("Content ID"),
Chris@0:     'description' => t('The unique ID of the content item, or "node".'),
Chris@0:   ];
Chris@0:   $node['vid'] = [
Chris@0:     'name' => t("Revision ID"),
Chris@0:     'description' => t("The unique ID of the node's latest revision."),
Chris@0:   ];
Chris@0:   $node['type'] = [
Chris@0:     'name' => t("Content type"),
Chris@0:   ];
Chris@0:   $node['type-name'] = [
Chris@0:     'name' => t("Content type name"),
Chris@0:     'description' => t("The human-readable name of the node type."),
Chris@0:   ];
Chris@0:   $node['title'] = [
Chris@0:     'name' => t("Title"),
Chris@0:   ];
Chris@0:   $node['body'] = [
Chris@0:     'name' => t("Body"),
Chris@0:     'description' => t("The main body text of the node."),
Chris@0:   ];
Chris@0:   $node['summary'] = [
Chris@0:     'name' => t("Summary"),
Chris@0:     'description' => t("The summary of the node's main body text."),
Chris@0:   ];
Chris@0:   $node['langcode'] = [
Chris@0:     'name' => t('Language code'),
Chris@0:     'description' => t('The language code of the language the node is written in.'),
Chris@0:   ];
Chris@0:   $node['url'] = [
Chris@0:     'name' => t("URL"),
Chris@0:     'description' => t("The URL of the node."),
Chris@0:   ];
Chris@0:   $node['edit-url'] = [
Chris@0:     'name' => t("Edit URL"),
Chris@0:     'description' => t("The URL of the node's edit page."),
Chris@0:   ];
Chris@0: 
Chris@0:   // Chained tokens for nodes.
Chris@0:   $node['created'] = [
Chris@0:     'name' => t("Date created"),
Chris@0:     'type' => 'date',
Chris@0:   ];
Chris@0:   $node['changed'] = [
Chris@0:     'name' => t("Date changed"),
Chris@0:     'description' => t("The date the node was most recently updated."),
Chris@0:     'type' => 'date',
Chris@0:   ];
Chris@0:   $node['author'] = [
Chris@0:     'name' => t("Author"),
Chris@0:     'type' => 'user',
Chris@0:   ];
Chris@0: 
Chris@0:   return [
Chris@0:     'types' => ['node' => $type],
Chris@0:     'tokens' => ['node' => $node],
Chris@0:   ];
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_tokens().
Chris@0:  */
Chris@0: function node_tokens($type, $tokens, array $data, array $options, BubbleableMetadata $bubbleable_metadata) {
Chris@0:   $token_service = \Drupal::token();
Chris@0: 
Chris@0:   $url_options = ['absolute' => TRUE];
Chris@0:   if (isset($options['langcode'])) {
Chris@0:     $url_options['language'] = \Drupal::languageManager()->getLanguage($options['langcode']);
Chris@0:     $langcode = $options['langcode'];
Chris@0:   }
Chris@0:   else {
Chris@0:     $langcode = LanguageInterface::LANGCODE_DEFAULT;
Chris@0:   }
Chris@0:   $replacements = [];
Chris@0: 
Chris@0:   if ($type == 'node' && !empty($data['node'])) {
Chris@0:     /** @var \Drupal\node\NodeInterface $node */
Chris@0:     $node = $data['node'];
Chris@0: 
Chris@0:     foreach ($tokens as $name => $original) {
Chris@0:       switch ($name) {
Chris@0:         // Simple key values on the node.
Chris@0:         case 'nid':
Chris@0:           $replacements[$original] = $node->id();
Chris@0:           break;
Chris@0: 
Chris@0:         case 'vid':
Chris@0:           $replacements[$original] = $node->getRevisionId();
Chris@0:           break;
Chris@0: 
Chris@0:         case 'type':
Chris@0:           $replacements[$original] = $node->getType();
Chris@0:           break;
Chris@0: 
Chris@0:         case 'type-name':
Chris@0:           $type_name = node_get_type_label($node);
Chris@0:           $replacements[$original] = $type_name;
Chris@0:           break;
Chris@0: 
Chris@0:         case 'title':
Chris@0:           $replacements[$original] = $node->getTitle();
Chris@0:           break;
Chris@0: 
Chris@0:         case 'body':
Chris@0:         case 'summary':
Chris@18:           $translation = \Drupal::service('entity.repository')->getTranslationFromContext($node, $langcode, ['operation' => 'node_tokens']);
Chris@0:           if ($translation->hasField('body') && ($items = $translation->get('body')) && !$items->isEmpty()) {
Chris@0:             $item = $items[0];
Chris@0:             // If the summary was requested and is not empty, use it.
Chris@0:             if ($name == 'summary' && !empty($item->summary)) {
Chris@0:               $output = $item->summary_processed;
Chris@0:             }
Chris@0:             // Attempt to provide a suitable version of the 'body' field.
Chris@0:             else {
Chris@0:               $output = $item->processed;
Chris@0:               // A summary was requested.
Chris@0:               if ($name == 'summary') {
Chris@0:                 // Generate an optionally trimmed summary of the body field.
Chris@0: 
Chris@0:                 // Get the 'trim_length' size used for the 'teaser' mode, if
Chris@0:                 // present, or use the default trim_length size.
Chris@0:                 $display_options = entity_get_display('node', $node->getType(), 'teaser')->getComponent('body');
Chris@0:                 if (isset($display_options['settings']['trim_length'])) {
Chris@0:                   $length = $display_options['settings']['trim_length'];
Chris@0:                 }
Chris@0:                 else {
Chris@0:                   $settings = \Drupal::service('plugin.manager.field.formatter')->getDefaultSettings('text_summary_or_trimmed');
Chris@0:                   $length = $settings['trim_length'];
Chris@0:                 }
Chris@0: 
Chris@0:                 $output = text_summary($output, $item->format, $length);
Chris@0:               }
Chris@0:             }
Chris@0:             // "processed" returns a \Drupal\Component\Render\MarkupInterface
Chris@0:             // via check_markup().
Chris@0:             $replacements[$original] = $output;
Chris@0:           }
Chris@0:           break;
Chris@0: 
Chris@0:         case 'langcode':
Chris@0:           $replacements[$original] = $node->language()->getId();
Chris@0:           break;
Chris@0: 
Chris@0:         case 'url':
Chris@18:           $replacements[$original] = $node->toUrl('canonical', $url_options)->toString();
Chris@0:           break;
Chris@0: 
Chris@0:         case 'edit-url':
Chris@18:           $replacements[$original] = $node->toUrl('edit-form', $url_options)->toString();
Chris@0:           break;
Chris@0: 
Chris@0:         // Default values for the chained tokens handled below.
Chris@0:         case 'author':
Chris@0:           $account = $node->getOwner() ? $node->getOwner() : User::load(0);
Chris@0:           $bubbleable_metadata->addCacheableDependency($account);
Chris@0:           $replacements[$original] = $account->label();
Chris@0:           break;
Chris@0: 
Chris@0:         case 'created':
Chris@0:           $date_format = DateFormat::load('medium');
Chris@0:           $bubbleable_metadata->addCacheableDependency($date_format);
Chris@18:           $replacements[$original] = \Drupal::service('date.formatter')->format($node->getCreatedTime(), 'medium', '', NULL, $langcode);
Chris@0:           break;
Chris@0: 
Chris@0:         case 'changed':
Chris@0:           $date_format = DateFormat::load('medium');
Chris@0:           $bubbleable_metadata->addCacheableDependency($date_format);
Chris@18:           $replacements[$original] = \Drupal::service('date.formatter')->format($node->getChangedTime(), 'medium', '', NULL, $langcode);
Chris@0:           break;
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     if ($author_tokens = $token_service->findWithPrefix($tokens, 'author')) {
Chris@0:       $replacements += $token_service->generate('user', $author_tokens, ['user' => $node->getOwner()], $options, $bubbleable_metadata);
Chris@0:     }
Chris@0: 
Chris@0:     if ($created_tokens = $token_service->findWithPrefix($tokens, 'created')) {
Chris@0:       $replacements += $token_service->generate('date', $created_tokens, ['date' => $node->getCreatedTime()], $options, $bubbleable_metadata);
Chris@0:     }
Chris@0: 
Chris@0:     if ($changed_tokens = $token_service->findWithPrefix($tokens, 'changed')) {
Chris@0:       $replacements += $token_service->generate('date', $changed_tokens, ['date' => $node->getChangedTime()], $options, $bubbleable_metadata);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   return $replacements;
Chris@0: }