Module: Rails::Permalink::ClassMethods

Defined in:
lib/rails-permalink.rb

Instance Method Summary collapse

Instance Method Details

Specifies the given field as using permalink.

class Foo < ActiveRecord::Base

  # stores the permalink version of title on permalink
  permalink :title

  # stores the permalink version of title on slug
  permalink :title, :slug

end



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# File 'lib/rails-permalink.rb', line 22

def permalink(field_name, permalink_field_name = 'permalink')
  before_save do |record|
    if (record.send(permalink_field_name).blank?) || (record.send(field_name) && record.send(permalink_field_name).nil?)
      record.send "#{permalink_field_name}=", record.send(field_name).parameterize
    end
  end

  define_method "to_param" do
    send(permalink_field_name)
  end
end