external_hreflang.tokens.inc in External Hreflang 8

Token related functions for the external_hreflang.

File

external_hreflang.tokens.inc

<?php

/**
 * @file
 * Token related functions for the external_hreflang.
 */
use Drupal\Core\Render\BubbleableMetadata;
use Drupal\external_hreflang\Event\ExternalHreflangGetCurrentUrlEvent;

/**
 * Implements hook_token_info().
 */
function external_hreflang_token_info() {
  $info = [];
  $languages = \Drupal::languageManager()
    ->getLanguages();
  foreach ($languages as $language) {
    $args = [
      '@language' => $language
        ->getName(),
    ];
    $info['tokens']['current-page']['url']['relative'][$language
      ->getId()] = [
      'name' => t('URL in @name', $args),
      'description' => t('Relative URL of the current page in @language without language prefix.', $args),
    ];
  }
  return $info;
}

/**
 * Implements hook_tokens().
 */
function external_hreflang_tokens($type, $tokens, array $data, array $options, BubbleableMetadata $bubbleable_metadata) {
  $replacements = [];
  if ($type == 'current-page') {
    $languages = \Drupal::languageManager()
      ->getLanguages();
    foreach ($languages as $language) {
      $tokens_to_process['[current-page:url:relative:' . $language
        ->getId() . ']'] = $language;
    }
    foreach ($tokens as $token) {
      if (isset($tokens_to_process[$token])) {
        $language = $tokens_to_process[$token];
        $url = _external_hreflang_get_url_from_request();
        $url
          ->setOption('language', $language);
        $replacements[$token] = str_replace('/' . $language
          ->getId(), '', $url
          ->toString());
      }
    }
  }
  return $replacements;
}

/**
 * Get url object for current request.
 *
 * Allow other modules to provide the url and cache statically for same request.
 *
 * @return \Drupal\Core\Url
 *   Url object.
 */
function _external_hreflang_get_url_from_request() {
  static $url;
  if (empty($url)) {
    $event = new ExternalHreflangGetCurrentUrlEvent();
    \Drupal::service('event_dispatcher')
      ->dispatch(ExternalHreflangGetCurrentUrlEvent::EVENT_NAME, $event);
    $url = $event
      ->getCurrentUrl();
  }
  return $url;
}

Functions

Name	Description
external_hreflang_tokens	Implements hook_tokens().
external_hreflang_token_info	Implements hook_token_info().
_external_hreflang_get_url_from_request	Get url object for current request.