Feature Switch

feature.rb

module Feature

  @features = {
    :xmas_design => Proc.new{ Date.strptime("2010-11-27", '%Y-%m-%d').past? || ['development', 'test'].include?(Rails.env) },
    :some_fancy_feature => Proc.new{ ['development', 'test', 'staging'].include?(Rails.env) },
  }

  def self.is_enabled?(feature)
    if @features.has_key? feature
      @features[feature].call
    end
  end

end

if Feature.is_enabled? :some_fancy_feature
  
  # do funky new stuff

end