FIX: Category creation failed when translation was missing

app/assets/javascripts/discourse/routes/discovery_categories_route.js

@@ -45,9 +45,15 @@ Discourse.DiscoveryCategoriesRoute = Discourse.Route.extend(Discourse.OpenCompos
 
   actions: {
     createCategory: function() {
+      var groups = Discourse.Site.current().groups;
+      var everyone_group = groups.findBy('id', 0);
+      var group_names = groups.map(function(group) {
+        return group.name;
+      });
+
       Discourse.Route.showModal(this, 'editCategory', Discourse.Category.create({
-        color: 'AB9364', text_color: 'FFFFFF', group_permissions: [{group_name: I18n.t('category.everyone_permission'), permission_type: 1}],
-        available_groups: Discourse.Site.current().group_names,
+        color: 'AB9364', text_color: 'FFFFFF', group_permissions: [{group_name: everyone_group.name, permission_type: 1}],
+        available_groups: group_names,
         allow_badges: true
       }));
       this.controllerFor('editCategory').set('selectedTab', 'general');

app/models/site.rb

@@ -29,8 +29,8 @@ class Site
     TrustLevel.all
   end
 
-  def group_names
-    @group_name ||= Group.order(:name).pluck(:name)
+  def groups
+    @groups ||= Group.order(:name).map { |g| {:id => g.id, :name => g.name}}
   end
 
   def categories

app/serializers/site_serializer.rb

@@ -3,7 +3,7 @@ class SiteSerializer < ApplicationSerializer
   attributes :default_archetype,
              :notification_types,
              :post_types,
-             :group_names,
+             :groups,
              :filters,
              :periods,
              :top_menu_items,

config/locales/client.en.yml

@@ -1275,7 +1275,6 @@ en:
       allow_badges_label: "Allow badges to be awarded in this category"
       edit_permissions: "Edit Permissions"
       add_permission: "Add Permission"
-      everyone_permission: "everyone"
       this_year: "this year"
       position: "position"
       default_position: "Default Position"