Field aliases with Mongoid and Rails

Question

It\'s common practice in MongoDB to use short key names to save space. For example, one might want to use \"fn\" instead of \"first_name\"

However in your app, you\

Answer 1

Something like this should work in your class file. (It hasn't been tested in all cases, just passing a hash into create or update.)

  field :fn, :type => String

  alias :first_name :fn
  alias :filtered_process :process

  def process(attrs = nil)
    attrs[:fn] = attrs[:first_name] unless attrs.nil?
    filtered_process(attrs)
  end