Module: ActiveModel::AttributeFilters::Common::Order

Included in:
ActiveModel::AttributeFilters::Common
Defined in:
lib/attribute-filters/common_filters/order.rb

Overview

This module contains attribute filters responsible for manipulating order of attribute values.

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Methods included from FilteringRegistration

#filtering_method

Instance Method Details

#reverse_attributes

Note:

If a value of currently processed attribute is an array then any element of the array is changed. The same with hash (its values are changed).

This method returns an undefined value.

Inverses order of attribute contents.

The attrubutes are taken from the attribute set called should_be_reversed.



28
29
30
31
32
33
34
35
36
37
38
 
# File 'lib/attribute-filters/common_filters/order.rb', line 28

def reverse_attributes
  filter_attrs_from_set(:should_be_reversed) do |atr_val, atr_name, set_obj|
    if set_obj.annotation(atr_name, :reverse_enumerable)
      atr_val.respond_to?(:reverse) ? atr_val.reverse : atr_val
    else
      AFHelpers.each_element(atr_val) do |v|
        v.respond_to?(:reverse) ? v.reverse : v
      end
    end
  end
end