Module: ActiveModel::AttributeFilters::Common

Includes:
Bare, Case, Convert, Join, Order, Pick, Presence, Split, Squeeze, Strip
Defined in:
lib/attribute-filters/common_filters.rb,
lib/attribute-filters/common_filters/bare.rb,
lib/attribute-filters/common_filters/case.rb,
lib/attribute-filters/common_filters/join.rb,
lib/attribute-filters/common_filters/pick.rb,
lib/attribute-filters/common_filters/order.rb,
lib/attribute-filters/common_filters/split.rb,
lib/attribute-filters/common_filters/strip.rb,
lib/attribute-filters/common_filters/convert.rb,
lib/attribute-filters/common_filters/squeeze.rb,
lib/attribute-filters/common_filters/presence.rb

Overview

This module contains common, ready-to-use filtering methods.

Defined Under Namespace

Modules: Bare, Case, ClassMethods, Convert, Join, Order, Pick, Presence, Split, Squeeze, Strip

Instance Method Summary collapse

Methods included from FilteringRegistration

#filtering_method

Methods included from Presence

#fill_attributes

Methods included from Squeeze

#squeeze_attributes, #squish_attributes

Methods included from Convert

#attributes_to_b, #attributes_to_f, #attributes_to_i, #attributes_to_numbers, #attributes_to_r, #attributes_to_s

Methods included from Strip

#strip_attributes

Methods included from Split

#split_attributes

Methods included from Order

#reverse_attributes

Methods included from Pick

#pick_attributes

Methods included from Join

#join_attributes

Methods included from Case

#capitalize_attributes, #downcase_attributes, #fully_capitalize_attributes, #titleize_attributes, #upcase_attributes

Instance Method Details

#shuffle_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.

Randomizes order of attribute contents.

The attrubutes are taken from the attribute set called should_be_shuffled.



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# File 'lib/attribute-filters/common_filters/order.rb', line 63

def shuffle_attributes
  filter_attrs_from_set(:should_be_shuffled) do |atr_val, atr_name, set_obj|
    shuffle_enum, rng = set_obj.annotation(atr_name, :shuffle_enumerable, :shuffle_generator)
    rng = { :random => rng }
    if shuffle_enum
      if atr_val.is_a?(String)
        atr_val.mb_chars.split("").shuffle(rng).join
      else
        atr_val.respond_to?(:shuffle) ? atr_val.shuffle(rng) : atr_val
      end
    else
      AFHelpers.each_element(atr_val) do |v|
        if v.is_a?(String)
          v.mb_chars.split("").shuffle(rng).join
        else
          v.respond_to?(:shuffle) ? v.shuffle(rng) : v
        end
      end
    end
  end
end