update

app/models/communication/website/with_menus.rb

@@ -63,9 +63,9 @@ module Communication::Website::WithMenus
 
   def initialize_menus
     # default_language menu has to be created first, to be a reference for other languages
-    find_or_create_menus_for_language(default_language)
+    create_default_menus(default_language)
     languages_except_default.each do |language|
-      find_or_create_menus_for_language(language)
+      create_default_menus(language)
     end
     languages.each do |language|
       generate_automatic_menus(language)
@@ -80,27 +80,38 @@ module Communication::Website::WithMenus
 
   protected
 
-  def find_or_create_menus_for_language(language)
-    find_or_create_menu 'primary', language
-    find_or_create_menu 'social', language
-    find_or_create_menu 'legal', language
-  end
-
-  def find_or_create_menu(identifier, language)
-    menu = menus_for_language(identifier, language).first_or_initialize do |menu|
-      menu.title = I18n.t("communication.website.menus.default_title.#{identifier}", locale: language.iso_code)
-      menu.original_id = original_menu(identifier).id if language.id != default_language_id
+  def create_default_menus(language)
+    create_default_menu 'primary', language
+    create_default_menu 'social', language
+    create_default_menu 'legal', language
+  end
+
+  def create_default_menu(identifier, language)
+    menus.where(
+            university: university, 
+            identifier: identifier, 
+            language: language
+          )
+          .first_or_create do |menu|
+      menu.title = menu_title(identifier, language)
+      menu.original_id = menu_original_id(identifier, language)
     end
-    menu.save unless menu.persisted?
   end
 
-  def menus_for_language(identifier, language)
-    # university is needed for the initialize part
-    menus.where(university: university, identifier: identifier, language: language)
+  def menu_title(identifier, language)
+    I18n.t(
+      "communication.website.menus.default_title.#{identifier}", 
+      locale: language.iso_code
+    )
   end
 
-  def original_menu(identifier)
-    menus_for_language(identifier, default_language).first
+  def menu_original_id(identifier, language)
+    return nil if language.id == default_language_id
+    menus.where(
+            identifier: identifier, 
+            language_id: default_language_id
+          )
+          .first.id
   end
 
 end