add costs to default modules

lib/open_project/costs/engine.rb

@@ -91,6 +91,7 @@ module OpenProject::Costs
              :ProjectsController, :ApplicationHelper, :UsersHelper, :WorkPackagesHelper]
     patch_with_namespace :API, :V3, :WorkPackages, :Schema, :SpecificWorkPackageSchema
     patch_with_namespace :BasicData, :RoleSeeder
+    patch_with_namespace :BasicData, :SettingSeeder
 
     add_api_attribute on: :work_package, ar_name: :cost_object_id, api_name: :cost_object
 

lib/open_project/costs/patches/setting_seeder_patch.rb

@@ -0,0 +1,36 @@
+#-- copyright
+# OpenProject Costs Plugin
+#
+# Copyright (C) 2009 - 2014 the OpenProject Foundation (OPF)
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# version 3.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#++
+
+module OpenProject::Costs::Patches::SettingSeederPatch
+  def self.included(base) # :nodoc:
+    base.prepend InstanceMethods
+  end
+
+  module InstanceMethods
+    def data
+      original_data = super
+
+      unless original_data['default_projects_modules'].include? 'costs_module'
+        original_data['default_projects_modules'] << 'costs_module'
+      end
+
+      original_data
+    end
+  end
+end