comment.rb

class Comment

  include MongoMapper::Document

  def self.from_configuration(configuration_id)
    @@variable_keys ||= []
    conf = Configuration.find(configuration_id)

    connect_to_database(conf)

    @@variable_keys.each do |k|
      self.keys.delete(k.to_sym)
    end
    @@variable_keys = []
    conf.fields.each do |f|
      unless f.blank?
        self.key f.to_sym, String
        Merb.logger.debug "add key #{f}"
        @@variable_keys << f
      end
    end
    Merb.logger.debug "Comment with fields : #{Comment.keys.keys.inspect}"
  end