taxonomy.tokens.inc

<?php

/**
 * @file
 * Builds placeholder replacement tokens for taxonomy terms and vocabularies.
 */
use Drupal\Core\Datetime\Entity\DateFormat;
use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\Render\BubbleableMetadata;
use Drupal\taxonomy\Entity\Vocabulary;

/**
 * Implements hook_token_info().
 */
function taxonomy_token_info() {
  $types['term'] = [
    'name' => t("Taxonomy terms"),
    'description' => t("Tokens related to taxonomy terms."),
    'needs-data' => 'term',
  ];
  $types['vocabulary'] = [
    'name' => t("Vocabularies"),
    'description' => t("Tokens related to taxonomy vocabularies."),
    'needs-data' => 'vocabulary',
  ];

  // Taxonomy term related variables.
  $term['tid'] = [
    'name' => t("Term ID"),
    'description' => t("The unique ID of the taxonomy term."),
  ];
  $term['name'] = [
    'name' => t("Name"),
    'description' => t("The name of the taxonomy term."),
  ];
  $term['description'] = [
    'name' => t("Description"),
    'description' => t("The optional description of the taxonomy term."),
  ];
  $term['node-count'] = [
    'name' => t("Node count"),
    'description' => t("The number of nodes tagged with the taxonomy term."),
  ];
  $term['url'] = [
    'name' => t("URL"),
    'description' => t("The URL of the taxonomy term."),
  ];

  // Taxonomy vocabulary related variables.
  $vocabulary['vid'] = [
    'name' => t("Vocabulary ID"),
    'description' => t("The unique ID of the taxonomy vocabulary."),
  ];
  $vocabulary['name'] = [
    'name' => t("Name"),
    'description' => t("The name of the taxonomy vocabulary."),
  ];
  $vocabulary['description'] = [
    'name' => t("Description"),
    'description' => t("The optional description of the taxonomy vocabulary."),
  ];
  $vocabulary['node-count'] = [
    'name' => t("Node count"),
    'description' => t("The number of nodes tagged with terms belonging to the taxonomy vocabulary."),
  ];
  $vocabulary['term-count'] = [
    'name' => t("Term count"),
    'description' => t("The number of terms belonging to the taxonomy vocabulary."),
  ];

  // Chained tokens for taxonomies
  $term['vocabulary'] = [
    'name' => t("Vocabulary"),
    'description' => t("The vocabulary the taxonomy term belongs to."),
    'type' => 'vocabulary',
  ];
  $term['parent'] = [
    'name' => t("Parent term"),
    'description' => t("The parent term of the taxonomy term, if one exists."),
    'type' => 'term',
  ];
  $term['changed'] = [
    'name' => t("Date changed"),
    'description' => t("The date the taxonomy was most recently updated."),
    'type' => 'date',
  ];
  return [
    'types' => $types,
    'tokens' => [
      'term' => $term,
      'vocabulary' => $vocabulary,
    ],
  ];
}

/**
 * Implements hook_tokens().
 */
function taxonomy_tokens($type, $tokens, array $data, array $options, BubbleableMetadata $bubbleable_metadata) {
  $token_service = \Drupal::token();
  if (isset($options['langcode'])) {
    $url_options['language'] = \Drupal::languageManager()
      ->getLanguage($options['langcode']);
    $langcode = $options['langcode'];
  }
  else {
    $langcode = LanguageInterface::LANGCODE_DEFAULT;
  }
  $replacements = [];
  if ($type == 'term' && !empty($data['term'])) {
    $term = $data['term'];
    $term = \Drupal::service('entity.repository')
      ->getTranslationFromContext($term, isset($options['langcode']) ? $options['langcode'] : NULL);
    foreach ($tokens as $name => $original) {
      switch ($name) {
        case 'tid':
          $replacements[$original] = $term
            ->id();
          break;
        case 'name':
          $replacements[$original] = $term
            ->label();
          break;
        case 'description':

          // "processed" returns a \Drupal\Component\Render\MarkupInterface via
          // check_markup().
          $replacements[$original] = $term->description->processed;
          break;
        case 'url':
          $replacements[$original] = $term
            ->toUrl('canonical', [
            'absolute' => TRUE,
          ])
            ->toString();
          break;
        case 'node-count':
          $query = \Drupal::database()
            ->select('taxonomy_index');
          $query
            ->condition('tid', $term
            ->id());
          $query
            ->addTag('term_node_count');
          $count = $query
            ->countQuery()
            ->execute()
            ->fetchField();
          $replacements[$original] = $count;
          break;
        case 'vocabulary':
          $vocabulary = Vocabulary::load($term
            ->bundle());
          $bubbleable_metadata
            ->addCacheableDependency($vocabulary);
          $replacements[$original] = $vocabulary
            ->label();
          break;
        case 'parent':
          $taxonomy_storage = \Drupal::entityTypeManager()
            ->getStorage('taxonomy_term');
          if ($parents = $taxonomy_storage
            ->loadParents($term
            ->id())) {
            $parent = array_pop($parents);
            $bubbleable_metadata
              ->addCacheableDependency($parent);
            $replacements[$original] = $parent
              ->getName();
          }
          break;
        case 'changed':
          $date_format = DateFormat::load('medium');
          $bubbleable_metadata
            ->addCacheableDependency($date_format);
          $replacements[$original] = \Drupal::service('date.formatter')
            ->format($term
            ->getChangedTime(), 'medium', '', NULL, $langcode);
          break;
      }
    }
    if ($vocabulary_tokens = $token_service
      ->findWithPrefix($tokens, 'vocabulary')) {
      $vocabulary = Vocabulary::load($term
        ->bundle());
      $replacements += $token_service
        ->generate('vocabulary', $vocabulary_tokens, [
        'vocabulary' => $vocabulary,
      ], $options, $bubbleable_metadata);
    }
    if ($vocabulary_tokens = $token_service
      ->findWithPrefix($tokens, 'parent')) {
      $taxonomy_storage = \Drupal::entityTypeManager()
        ->getStorage('taxonomy_term');
      if ($parents = $taxonomy_storage
        ->loadParents($term
        ->id())) {
        $parent = array_pop($parents);
        $replacements += $token_service
          ->generate('term', $vocabulary_tokens, [
          'term' => $parent,
        ], $options, $bubbleable_metadata);
      }
    }
    if ($changed_tokens = $token_service
      ->findWithPrefix($tokens, 'changed')) {
      $replacements += $token_service
        ->generate('date', $changed_tokens, [
        'date' => $term
          ->getChangedTime(),
      ], $options, $bubbleable_metadata);
    }
  }
  elseif ($type == 'vocabulary' && !empty($data['vocabulary'])) {
    $vocabulary = $data['vocabulary'];
    foreach ($tokens as $name => $original) {
      switch ($name) {
        case 'vid':
          $replacements[$original] = $vocabulary
            ->id();
          break;
        case 'name':
          $replacements[$original] = $vocabulary
            ->label();
          break;
        case 'description':
          $build = [
            '#markup' => $vocabulary
              ->getDescription(),
          ];

          // @todo Fix in https://www.drupal.org/node/2577827
          $replacements[$original] = \Drupal::service('renderer')
            ->renderInIsolation($build);
          break;
        case 'term-count':
          $replacements[$original] = \Drupal::entityQuery('taxonomy_term')
            ->accessCheck(TRUE)
            ->condition('vid', $vocabulary
            ->id())
            ->addTag('vocabulary_term_count')
            ->count()
            ->execute();
          break;
        case 'node-count':
          $taxonomy_storage = \Drupal::entityTypeManager()
            ->getStorage('taxonomy_term');
          $replacements[$original] = $taxonomy_storage
            ->nodeCount($vocabulary
            ->id());
          break;
      }
    }
  }
  return $replacements;
}