Contents

module Ohm
  # Dirt cheap ::first and ::last support.
  #
  # @example
  #
  #   class Post < Ohm::Model
  #     include Ohm::Boundaries
  #   end
  #
  #   post1 = Post.create
  #   post2 = Post.create
  #   post1 == Post.first
  #   # => true
  #
  #   post2 == Post.last
  #   # => true
  module Boundaries
    def self.included(base)
      base.extend ClassMethods
    end

    module ClassMethods
      def first
        all.first
      end
  
      # @todo Add support for passing in conditions
      def last
        self[db.get(key(:id))]
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
ohm-contrib-0.0.16	lib/ohm/contrib/boundaries.rb
ohm-contrib-0.0.15	lib/ohm/contrib/boundaries.rb