gistfile1.txt

class PagesDrop < Liquid::Drop
  def initialize(pages)
    # the arg passed in should always be an AR Relation (AREL)
    @pages = pages
  end

  def group_by
    GroupByDrop.new(@pages)
  end

  def all
    # When you're happy with the final code, you need to call .all to get an array back and work with that in liquid
    @pages.is_a?(Array) ? @pages : @pages.all
  end

  def size
    @pages.size
  end

  def published
    PagesDrop.new @pages.published
  end

  def before_method(method_name)
    if method_name =~ /named_([\S]+)/
      method_name.gsub!(/^(named_)/){""}
      PagesDrop.new(@pages.named(method_name))
    end
  end
end