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Contents
module SocialStream
module Models
# Models that have author, user_author and owner, properties saved in {Channel}.
# Currently {Activity} and {ActivityObject}
module Channeled
# Add the method {#channeled} to ActiveRecord
module ActiveRecord
extend ActiveSupport::Concern
module ClassMethods
# This class is channeled. See {Channel}
def channeled
include SocialStream::Models::Channeled
end
end
end
extend ActiveSupport::Concern
included do
# Channeled models are subtypes of {Channel}
# Author, owner and user_author are defined in its channel
subtype_of :channel,
:belongs => { :dependent => nil }
# before_validation :set_owner_id, :on => :create
before_validation :check_existing_channel
end
protected
# Use existing channel, do not create a new one
def check_existing_channel
return unless channel!.new_record?
existing_channel =
Channel.
where(:author_id => author_id,
:owner_id => owner_id,
:user_author_id => user_author_id).
first
return if existing_channel.blank?
self.channel = existing_channel
end
private
def set_owner_id
self.owner_id ||= author_id
end
end
end
end
Version data entries
16 entries across 16 versions & 2 rubygems