bizzarro dynamic attributes

gistfile1.rb

  def method_missing(meth, *args)
    meth_s = meth.to_s
    key = meth_s.sub(/=$/,'')
    aattr = self.account_attributes.find_by_key key
    if aattr
      case meth_s
      when aattr.key
        aattr.value
      when "#{aattr.key}="
        if args[0].nil?
          aattr.destroy
        else
          aattr.value = args[0]
          aattr.save!
        end
      end
    elsif meth_s[meth_s.length - 1] == '='
      self.account_attributes.create! :key => key, :value => args[0]
    else
      super(meth, *args)
    end
  end

bizzarro attribute is bizzarro attribute