Contents

module SocialStream
  module Models
    # Models that have author, user_author and owner, properties saved in {Channel}.
    # Currently {Activity} and {ActivityObject}
    module Channeled
      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 :check_existing_channel
      end

      module InstanceMethods

        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
      end

      module ActiveRecord
        extend ActiveSupport::Concern

        module ClassMethods
          # This class is channeled. See {Channel}
          def channeled
            include SocialStream::Models::Channeled
          end
        end
      end
    end
  end
end

Version data entries

6 entries across 6 versions & 2 rubygems

Version	Path
social_stream-0.18.2	base/lib/social_stream/models/channeled.rb
social_stream-base-0.13.2	lib/social_stream/models/channeled.rb
social_stream-0.18.1	base/lib/social_stream/models/channeled.rb
social_stream-base-0.13.1	lib/social_stream/models/channeled.rb
social_stream-0.18.0	base/lib/social_stream/models/channeled.rb
social_stream-base-0.13.0	lib/social_stream/models/channeled.rb