Module: Uniquify

Included in:
ActiveRecord::Base
Defined in:
lib/tmp/uniquify.rb

Overview

copied from RBates railscasts.com/episodes/135-making-a-gem

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/tmp/uniquify.rb', line 6

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

Instance Method Details

#ensure_unique(name) ⇒ Object 



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# File 'lib/tmp/uniquify.rb', line 10

def ensure_unique(name)
  begin
    self[name] = yield
  end while self.class.exists?(name => self[name])
end