openproject/lib/backlogs_my_controller_patch.rb

require_dependency 'my_controller'

module Backlogs
  module MyControllerPatch
    def self.included(base) # :nodoc:
        base.extend(ClassMethods)
        base.send(:include, InstanceMethods)

        base.class_eval do
          unloadable # Send unloadable so it will not be unloaded in development
          after_filter :save_backlogs_preferences, :only => [:account]
        end
    end
  
    module ClassMethods
    end
  
    module InstanceMethods
      def save_backlogs_preferences
        if request.post? && flash[:notice] == l(:notice_account_updated)
          color = (params[:backlogs] ? params[:backlogs][:task_color] : '').to_s
          if color == '' || color.match(/^#[A-Fa-f0-9]{6}$/)
            User.current.backlogs_preference(:task_color, color)
          else
            flash[:notice] = "Invalid task color code #{color}"
          end
        end
      end
    end
  end
end

MyController.send(:include, Backlogs::MyControllerPatch) unless MyController.included_modules.include? Backlogs::MyControllerPatch