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Contents
module Toy
module EmbeddedLists
extend ActiveSupport::Concern
module ClassMethods
def embedded_lists
@embedded_lists ||= {}
end
def embedded_list?(key)
embedded_lists.keys.include?(key.to_sym)
end
def parent_reference_module
@parent_reference_module ||= begin
mod = Module.new
include mod
mod
end
end
def parent_references
@parent_references ||= []
end
def parent_reference?(key)
parent_references.include?(key.to_sym)
end
def parent_reference(*names)
names.flatten.each do |name|
parent_references << name
parent_reference_module.module_eval <<-CODE
def #{name}
parent_reference
end
def #{name}?
parent_reference.present?
end
CODE
end
end
# @examples
# list :moves # assumes Move
# list :moves, :dependent => true # assumes Move
# list :recent_moves, Move # uses Move
# list :recent_moves, Move, :dependent => true # uses Move
#
# embedded_list :moves do
# def recent
# target.select { |t| t.recent? }
# end
# end
#
# module RecentExtension
# def recent
# target.select { |t| t.recent? }
# end
# end
# embedded_list :moves, :extensions => [RecentExtension]
def embedded_list(name, *args, &block)
EmbeddedList.new(self, name, *args, &block)
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems