diaspora/app/models/like.rb
2011-09-14 11:23:12 -07:00

58 lines
1.4 KiB
Ruby

# Copyright (c) 2010-2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
class Like < ActiveRecord::Base
require File.join(Rails.root, 'lib/diaspora/web_socket')
include ROXML
include Diaspora::Webhooks
include Diaspora::Guid
xml_attr :target_type
include Diaspora::Relayable
include Diaspora::Socketable
xml_attr :positive
xml_attr :diaspora_handle
belongs_to :target, :polymorphic => true
belongs_to :author, :class_name => 'Person'
validates_uniqueness_of :target_id, :scope => [:target_type, :author_id]
validates :parent, :presence => true #should be in relayable (pending on fixing Message)
after_create do
self.parent.update_likes_counter
end
after_destroy do
self.parent.update_likes_counter
end
def diaspora_handle
self.author.diaspora_handle
end
def diaspora_handle= nh
self.author = Webfinger.new(nh).fetch
end
def parent_class
self.target_type.constantize
end
def parent
self.target
end
def parent= parent
self.target = parent
end
def notification_type(user, person)
#TODO(dan) need to have a notification for likes on comments, until then, return nil
return nil if self.target_type == "Comment"
Notifications::Liked if self.target.author == user.person && user.person != person
end
end