Ruby Source Article Snippets

configuration.rb

# http://rubysource.com/polish-your-gems/
# Usage:
# Awesome.configure do |a|
#  a.magic_number = 3
# end
module Awesome
  class << self
    attr_accessor :configuration
    
    def config
      self.configuration ||= Configuration.new
    end

    def configure
      yield(config)
    end
  end

  # The configuration object.
  class Configuration < Hashie::Mash
  
  end
end

module_pattern.rb

module Something
  def self.included(base)
    base.extend ClassMethods
    base.send(:include, InstanceMethods)
  end

  module ClassMethods
    # ...
  end

  module InstanceMethods
    # ...
  end
end

scopes.rb

class Search
  class << self
    def where(args)
       Search.new(args)
      end
    end
    
    def initialize(args)
      @search_arguments = args
    end
    
    def where(args)
      @search_arguments.merge!(args)
      self
    end
    
    def each
      results.each{|a| yield(a)}
    end
    
    def results
      #Go and get some results!
    end
  end
end