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Contents
# encoding: utf-8
module Mongoid #:nodoc:
module Timestamps
# This module handles the behaviour for setting up document updated at
# timestamp.
module Updated
extend ActiveSupport::Concern
included do
field :updated_at, :type => Time
set_callback :save, :before, :set_updated_at, :if => :able_to_set_updated_at?
end
# Update the updated_at field on the Document to the current time.
# This is only called on create and on save.
#
# @example Set the updated at time.
# person.set_updated_at
def set_updated_at
self.updated_at = Time.now.utc unless updated_at_changed?
end
# Is the updated timestamp able to be set?
#
# @example Can the timestamp be set?
# document.able_to_set_updated_at?
#
# @return [ true, false ] If the timestamp can be set.
#
# @since 2.4.0
def able_to_set_updated_at?
!frozen? && timestamping? && (new_record? || changed?)
end
end
end
end
Version data entries
160 entries across 68 versions & 3 rubygems