require_dependency 'users_helper' module CostsUsersHelperPatch def self.included(base) # :nodoc: base.send(:include, InstanceMethods) # Same as typing in the class base.class_eval do alias_method_chain :user_settings_tabs, :rate_tab end end module InstanceMethods # Adds a rates tab to the user administration page def user_settings_tabs_with_rate_tab # Core defined data tabs = user_settings_tabs_without_rate_tab tabs << { :name => 'rates', :partial => 'users/rates', :label => :caption_rate_history} return tabs end end end