Version 1

[yaffs-website] / web / core / modules / user / src / Plugin / LanguageNegotiation / LanguageNegotiationUser.php

diff --git a/web/core/modules/user/src/Plugin/LanguageNegotiation/LanguageNegotiationUser.php b/web/core/modules/user/src/Plugin/LanguageNegotiation/LanguageNegotiationUser.php
new file mode 100644 (file)
index 0000000..da8aaf0
--- /dev/null
+++ b/web/core/modules/user/src/Plugin/LanguageNegotiation/LanguageNegotiationUser.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace Drupal\user\Plugin\LanguageNegotiation;
+
+use Drupal\language\LanguageNegotiationMethodBase;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Class for identifying language from the user preferences.
+ *
+ * @LanguageNegotiation(
+ *   id = \Drupal\user\Plugin\LanguageNegotiation\LanguageNegotiationUser::METHOD_ID,
+ *   weight = -4,
+ *   name = @Translation("User"),
+ *   description = @Translation("Follow the user's language preference.")
+ * )
+ */
+class LanguageNegotiationUser extends LanguageNegotiationMethodBase {
+
+  /**
+   * The language negotiation method id.
+   */
+  const METHOD_ID = 'language-user';
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getLangcode(Request $request = NULL) {
+    $langcode = NULL;
+
+    // User preference (only for authenticated users).
+    if ($this->languageManager && $this->currentUser->isAuthenticated()) {
+      $preferred_langcode = $this->currentUser->getPreferredLangcode();
+      $default_langcode = $this->languageManager->getDefaultLanguage()->getId();
+      $languages = $this->languageManager->getLanguages();
+      if (!empty($preferred_langcode) && $preferred_langcode != $default_langcode && isset($languages[$preferred_langcode])) {
+        $langcode = $preferred_langcode;
+      }
+    }
+
+    // No language preference from the user.
+    return $langcode;
+  }
+
+}