Fix levels controller sorting

app/controllers/event/levels_controller.rb

@@ -9,16 +9,13 @@ class Event::LevelsController < SimpleCrudController
   self.permitted_attrs = [:label, :code, :difficulty, :description]
 
   self.sort_mappings = {
-    label: "event_level_translations.label"
+    label: {
+      joins: [:translations],
+      order: ["event_level_translations.label"]
+    }
   }
 
   def self.model_class
     Event::Level
   end
-
-  private
-
-  def list_entries
-    super.list
-  end
 end

app/controllers/sac_cas/groups/self_inscription_controller.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+#  Copyright (c) 2023, Schweizer Alpen-Club. This file is part of
+#  hitobito_sac_cas and licensed under the Affero General Public License version 3
+#  or later. See the COPYING file at the top-level directory or at
+#  https://github.com/hitobito/hitobito_sac_cas.
+
+module SacCas::Groups::SelfInscriptionController
+  extend ActiveSupport::Concern
+
+  def create
+    if person.years < 6
+      redirect_to group_self_inscription_path(group), alert: I18n.t("groups.self_inscription.must_be_six_years_old")
+    else
+      super
+    end
+  end
+end

app/views/event/levels/_list.html.haml

@@ -4,6 +4,5 @@
 - #  https://github.com/hitobito/hitobito_sac_cas.
 
 = table(entries, class: 'table table-striped table-hover') do |t|
-  - t.attr(:label)
-  - t.sortable_attrs(:code, :difficulty, :updated_at)
+  - t.sortable_attrs(:label, :code, :difficulty, :updated_at)
   - add_table_actions(t)