Module: CanHasState::DirtyHelper::ClassMethods

Defined in:
lib/can_has_state/dirty_helper.rb

Instance Method Summary collapse

Instance Method Details

#track_dirty(*attrs) ⇒ Object 



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# File 'lib/can_has_state/dirty_helper.rb', line 11

def track_dirty(*attrs)
  define_attribute_methods attrs
  attrs.each do |attr|
    attr = attr.to_s
    attr_reader(attr) unless respond_to?(attr)
    has_writer = respond_to?("#{attr}=")
    define_method "#{attr}=" do |val|
      send("#{attr}_will_change!") unless val == send(attr)
      has_writer ? super(val) : instance_variable_set("@#{attr}", val)
      changed_attributes.delete(attr) if attribute_was(attr) == send(attr)
    end
  end
end