render ActiveRecord instance as form

gistfile1.rb

module ActiveRecord
  module Render
    module From
      
      def render_as_form
        res = String.new
        
        obj = self.class.to_s.downcase.to_sym

        self.class.columns.each do |c|
          next if c.name =~ /(id|created_at)/

          res += "<label>#{c.name}</label><br>"

          case c.type
          when :integer
            rss.concat ActiveRecord::Render::MetaHelper.text_field obj, c.name.to_sym
          when :string
            res.concat ActiveRecord::Render::MetaHelper.text_field obj, c.name.to_sym
          when :text
            res.concat ActiveRecord::Render::MetaHelper.text_area obj, c.name.to_sym
          when :datetime
            res.concat ActiveRecord::Render::MetaHelper.datetime_select obj, c.name.to_sym
          end

          res = "<p>" + res + "</p>"
        end
        res
      end
      

    end
  end
end

module ActiveRecord::Render::MetaHelper
  extend ActionView::Helpers::FormHelper
  extend ActionView::Helpers::DateHelper
end