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module SocialStream #:nodoc:
module Models
# Common methods for models having many {SocialStream::Models::Subtype subtypes}.
# Currently, there are two {SocialStream::Models::Supertype supertypes}:
# * {Actor}: participates in the social network and has {Tie Ties} with other actors. Its subtypes are {SocialStream::Models::Subject subjects}, such as {User} or {Group}
# * {ActivityObject}: created and managed by {Actor Actors} in {Activity Activities}. Its subtypes are {SocialStream::Models::Object objects}, like {Post} or {Comment}
module Supertype
# Include the class method {#supertype_of} to ActiveRecord::Base
module ActiveRecord
extend ActiveSupport::Concern
module ClassMethods
# This class is a supertype. Subtype classes are known as name
def supertype_of name
@subtypes_name = name
include SocialStream::Models::Supertype
end
end
end
extend ActiveSupport::Concern
included do
subtypes.each do |s|
has_one s, :dependent => :destroy
end
end
module ClassMethods
def subtypes_name
@subtypes_name
end
def subtypes
SocialStream.__send__ subtypes_name.to_s.tableize # SocialStream.subjects # in Actor
end
end
def subtype_instance
if __send__("#{ self.class.subtypes_name }_type").present? # if object_type.present?
object_class = __send__("#{ self.class.subtypes_name }_type") # object_class = object_type # => "Video"
__send__ object_class.constantize.base_class.to_s.underscore # __send__ "document"
end # end
end
end
end
end
Version data entries
34 entries across 34 versions & 2 rubygems