Playing around with sequel dataset wrapping.

dataset_wrapper.rb

require 'forwardable'

module TopRankingKeyword
  class DatasetWrapper
    def initialize(ds)
      @ds = ds
    end

    extend Forwardable
    def_delegators :@ds, :sql

    def tagged_with(*kws)
      self
    end

  private

    def wrap(ds)
      self.class.new(ds)
    end
  end

  class << self
    attr_accessor :db

    extend Forwardable
    puts DatasetWrapper.public_instance_methods.join(' ')
    def_delegators :dataset, *DatasetWrapper.public_instance_methods(false)

    def dataset
      DatasetWrapper.new(db[:keywords])
    end
  end

  self.db = Shardonnay.db
end