class User < ActiveRecord::Base devise :database_authenticatable, :registerable, :confirmable, :recoverable, :rememberable, :trackable, :validatable acts_as_voter def name "#{first_name} #{last_name}" end def votes_on_debates(debates_ids = []) debates_ids = debates_ids.flatten.compact.uniq return {} if debates_ids.empty? voted = votes.where("votable_type = ? AND votable_id IN (?)", "Debate", debates_ids) voted.each_with_object({}){ |v,_| _[v.votable_id] = v.vote_flag } end end