Language switcher footer

web/themes/custom/agarica/agarica.theme

@@ -1,25 +1,14 @@
 <?php
 
-use \Drupal\Core\Url;
+use \Drupal\block\Entity\Block;
 
 /**
- * Implements hook_preprocess_block__system_menu_block__main().
+ * Implements hook_preprocess_region__footer().
  */
-function agarica_preprocess_block__system_menu_block__main(&$variables) {
-  $pathMatcher = \Drupal::service('path.matcher');
-  $languageManager = \Drupal::service('language_manager');
-  $route_name = $pathMatcher->isFrontPage() ? '<front>' : '<current>';
-  $type = 'language_interface';
-  $language_links = $languageManager->getLanguageSwitchLinks($type, Url::fromRoute($route_name));
-  $variables['language'] = [];
-  foreach ($language_links->links as $langcode => $link) {
-    $language_links->links[$langcode]['attributes']['class'][] = 'navbar-item';
-    $language_links->links[$langcode]['title'] =  $langcode;
-  }
-  $variables['language'] = [
-    '#theme' => 'links__language_block',
-    '#links' => $language_links->links,
-    '#set_active_class' => TRUE,
-  ];
-
+function agarica_preprocess_region__footer(&$variables) {
+  $block = Block::load('languageswitcher');
+  $block_content = \Drupal::entityTypeManager()
+    ->getViewBuilder('block')
+    ->view($block);
+  $variables['language_switcher'] = $block_content;
 }