module DeltaChanges::Extension::ClassMethods

Public Instance Methods

define_virtual_attribute_delta_methods() click to toggle source

Provide for delta tracking of virtual (non-column) attributes.

# File lib/delta_changes.rb, line 25
def define_virtual_attribute_delta_methods
  delta_changes_options[:attributes].each do |tracked_attribute|
    class_eval do
      define_method("#{tracked_attribute}_delta_changed?") do
        attribute_delta_changed?(tracked_attribute)
      end

      define_method("#{tracked_attribute}_delta_change") do
        attribute_delta_change(tracked_attribute)
      end

      define_method("#{tracked_attribute}_delta_was") do
        attribute_delta_was(tracked_attribute)
      end

      define_method("#{tracked_attribute}_delta_will_change!") do |*args|
        attribute_delta_will_change!(tracked_attribute, *args)
      end
    end
  end
end
delta_changes(options) click to toggle source
# File lib/delta_changes.rb, line 17
def delta_changes(options)
  self.delta_changes_options = options
  define_virtual_attribute_delta_methods
end