1 files changed, 26 insertions, 0 deletions
diff --git a/lib/gitlab/i18n.rb b/lib/gitlab/i18n.rb
new file mode 100644
index 00000000000..3411516319f
--- /dev/null
+++ b/lib/gitlab/i18n.rb
@@ -0,0 +1,26 @@
+module Gitlab
+  module I18n
+    extend self
+
+    AVAILABLE_LANGUAGES = {
+      'en' => 'English',
+      'es' => 'Español',
+      'de' => 'Deutsch'
+    }.freeze
+
+    def available_locales
+      AVAILABLE_LANGUAGES.keys
+    end
+
+    def set_locale(current_user)
+      requested_locale = current_user&.preferred_language || ::I18n.default_locale
+      locale = FastGettext.set_locale(requested_locale)
+      ::I18n.locale = locale
+    end
+
+    def reset_locale
+      FastGettext.set_locale(::I18n.default_locale)
+      ::I18n.locale = ::I18n.default_locale
+    end
+  end
+end