facets_hardcode.module

<?php

/**
 * @file
 * Contains facets_hardcode.module.
 */

use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\Url;
use Drupal\facets_hardcode\FacetsHardcodePathHelper;
use Drupal\facets_hardcode\FacetsHardcodeMetatagHelper;

/**
 * Implements hook_preprocess_views_pager_with_summary().
 */
function facets_hardcode_preprocess_views_pager_with_summary(array &$variables) {
  if (FacetsHardcodePathHelper::isFacetPath()) {
    $faceted_path = FacetsHardcodePathHelper::getFacetedPath();
    $base_path = FacetsHardcodePathHelper::filterFacetsFromPath($faceted_path);

    if ($faceted_path != $base_path) {
      if (isset($variables['items']['pages'])) {
        foreach ($variables['items']['pages'] as $index => $page) {
          $variables['items']['pages'][$index]['href'] = str_replace($base_path, $faceted_path, $page['href']);
        }
      }

      foreach (['next', 'last', 'first', 'previous'] as $key) {
        if (isset($variables['items'][$key])) {
          $variables['items'][$key]['href'] = str_replace($base_path, $faceted_path, $variables['items'][$key]['href']);
        }
      }
    }
  }
}

/**
 * Implements hook_entity_view_alter().
 */
function facets_hardcode_entity_view_alter(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display) {
  FacetsHardcodeMetatagHelper::updateCanonicalUrls($build);
}

/**
 * Implements hook_preprocess_html().
 */
function facets_hardcode_preprocess_html(array &$variables) {
  $facet_path = FacetsHardcodePathHelper::getFacetedPath();

  FacetsHardcodeMetatagHelper::setRobotsMetatag($variables['page'], $facet_path);
}

/**
 * Implements hook_link_alter().
 *
 * Checks for links starting with /facets-hardcode/ and outputs a valid facet
 * URL for the site in the correct language.
 */
function facets_hardcode_link_alter(&$variables) {
  /** @var \Drupal\Core\Url $url */
  $url = $variables['url'];
  if (!$url->isRouted()) {
    $path = $url->toString();
    if (strpos($path, '/facets-hardcode/') === 0) {
      $uri = facets_hardcode_replace_path($path);
      $variables['url'] = Url::fromUri($uri);
    }
  }
}

/**
 * Implements hook_preprocess_menu().
 */
function facets_hardcode_preprocess_menu(&$variables) {
  if (isset($variables['items'])) {
    $variables['items'] = facets_hardcode_replace_menu_items($variables['items']);
  }
}

/**
 * Replace menu link item below.
 *
 * @param array $items
 *   The items to replace the url.
 *
 * @return array
 *   The items with the url replaced.
 */
function facets_hardcode_replace_menu_items($items) {
  foreach ($items as $key => $item) {
    if (isset($item['url']) && !$item['url']->isRouted()) {
      $path = $item['url']->toString();
      if (strpos($path, '/facets-hardcode/') === 0) {
        $uri = facets_hardcode_replace_path($path);
        $items[$key]['url'] = Url::fromUri($uri);
      }
    }
    if (!empty($item['below'])) {
      $items[$key]['below'] = facets_hardcode_replace_menu_items($item['below']);
    }
  }
  return $items;
}

/**
 * Replace 'facets-hardcode' in links.
 *
 * @param string $path
 *   The original path.
 *
 * @return string
 *   The replaced path.
 */
function facets_hardcode_replace_path(string $path) {
  $config = \Drupal::config('facets_hardcode.settings');
  $identifier = $config->get('dynamic_facets_url_identifier') ?? 'f';

  $path = str_replace('/facets-hardcode', '', $path);
  $facets = '';
  if (strpos($path, "/$identifier/") !== FALSE) {
    [$path, $facets] = explode("/$identifier/", $path);
  }

  /** @var \Drupal\path_alias\AliasManagerInterface $aliasManager */
  $aliasManager = \Drupal::service('path_alias.manager');
  $languageManager = \Drupal::languageManager();
  $currentLanguage = $languageManager->getCurrentLanguage(LanguageInterface::TYPE_CONTENT)->getId();

  $path = $aliasManager->getPathByAlias($path, $languageManager->getDefaultLanguage()->getId());
  $path = $aliasManager->getAliasByPath($path, $currentLanguage);

  $uri = \Drupal::request()->getSchemeAndHttpHost();

  if ($languageManager->getDefaultLanguage()->getId() !== $currentLanguage) {
    $uri .= "/$currentLanguage";
  }

  $uri .= $path;

  if ($facets) {
    $uri .= "/$identifier/$facets";
  }
  return $uri;
}