Module: ActiveRecord::Acts::Comparable

Defined in:
lib/acts_as_comparable/acts_as_comparable.rb

Overview

acts_as_comparable

acts_as_comparable provides comparison to ActiveRecord models. It allows you to capture what fields are different, as well as easy access to those diferrent values.

class MyModel < ActiveRecord::Base acts_as_comparable end

EXAMPLES

default options which treats all fields as comparable

class Person < ActiveRecord::Base acts_as_comparable end

specifying which fields that should act as comparable

class Person < ActiveRecord::Base acts_as_comparable :only => [ :first_name, :last_name, :age ] end

specifying which fields shouldn't act as comparable

class Person < ActiveRecord::Base acts_as_comparable :except => [ :eyecolor ] end

specifying fields which compare to another field on the same model

class Account < ActiveRecord::Base acts_as_comparable :attrs_map => { :accountno => :parent_accountno } end

See unit tests for more usage examples.

AUTHORS

Defined Under Namespace

Modules: ClassMethods, InstanceMethods

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



42
43
44
 
# File 'lib/acts_as_comparable/acts_as_comparable.rb', line 42

def self.included( base )
  base.extend ClassMethods
end