diaspora/lib/diaspora/likeable.rb

20 lines
663 B
Ruby

# Copyright (c) 2010, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
module Diaspora
module Likeable
def self.included(model)
model.instance_eval do
has_many :likes, :conditions => {:positive => true}, :dependent => :delete_all, :as => :target
has_many :dislikes, :conditions => {:positive => false}, :class_name => 'Like', :dependent => :delete_all, :as => :target
end
end
# @return [Integer]
def update_likes_counter
self.class.where(:id => self.id).
update_all(:likes_count => self.likes.count)
end
end
end