sumitk · July 8, 2020 06:30 · Mar 16, 2016 · Mar 16, 2016
diff --git a/hide_untranslated.module → hide_untranslated.php b/hide_untranslated.module → hide_untranslated.php
diff --git a/hide_untranslated.module b/hide_untranslated.module
@@ -0,0 +1,43 @@
+<?php
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Session\AccountInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Url;
+
+
+/**
+ * Implements HOOK_entity_access
+ * Hide entities in $check_types
+ * if they don't match the current language.
+ * If viewing an untranslated node,
+ * redirect to front page in current language
+ */
+function hide_untranslated_entity_access(EntityInterface $entity, $operation, AccountInterface $account) {
+  $type = $entity->getEntityTypeId();
+  $check_types = ['node', 'inline_entity', 'paragraph'];
+
+  if($operation != 'view' || !in_array($type, $check_types)) {
+    return AccessResult::neutral();
+  }
+
+  $language = Drupal::languageManager()->getCurrentLanguage();
+  if ($entity->language()->getId() == $language->getId()) {
+    return AccessResult::neutral();
+  }
+
+  // If viewing a node that is not translated
+  // to current language, redirect user to frontpage
+  if ($type == 'node') {
+    $node = Drupal::routeMatch()->getParameter('node');
+
+    if (isset($node) && $node->id() == $entity->id()) {
+      $url = Url::fromRoute('<front>', [], ['language' => $language]);
+      $response = new RedirectResponse($url->toString());
+      $response->send();
+    }
+  }
+
+  return AccessResult::forbidden();
+}