class NewsUpdate < ApplicationRecord belongs_to :creator, :class_name => "User" belongs_to :updater, :class_name => "User" scope :recent, lambda {where("created_at >= ?", 2.weeks.ago).order("created_at desc").limit(5)} before_validation :initialize_creator, :on => :create before_validation :initialize_updater attr_accessible :message def initialize_creator self.creator_id = CurrentUser.id end def initialize_updater self.updater_id = CurrentUser.id end end