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Contents
# encoding: utf-8
module Mongoid
module Relations
module Touchable
extend ActiveSupport::Concern
module ClassMethods
# Add the metadata to the touchable relations if the touch option was
# provided.
#
# @example Add the touchable.
# Model.touchable(meta)
#
# @param [ Metadata ] metadata The relation metadata.
#
# @return [ Class ] The model class.
#
# @since 3.0.0
def touchable(metadata)
if metadata.touchable?
name = metadata.name
method_name = define_relation_touch_method(name)
after_create method_name
after_destroy method_name
after_touch method_name
end
self
end
private
# Define the method that will get called for touching belongs_to
# relations.
#
# @api private
#
# @example Define the touch relation.
# Model.define_relation_touch_method(:band)
#
# @param [ Symbol ] name The name of the relation.
#
# @since 3.1.0
#
# @return [ Symbol ] The method name.
def define_relation_touch_method(name)
method_name = "touch_#{name}_after_create_or_destroy"
class_eval <<-TOUCH
def #{method_name}
without_autobuild do
relation = __send__(:#{name})
relation.touch if relation
end
end
TOUCH
method_name.to_sym
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems