module ActiveSupport::JSON::Encoding

def encode_big_decimal_as_string
  message = \
    "The JSON encoder in Rails 4.1 no longer supports encoding BigDecimals as JSON numbers. Instead, " \
    "the new encoder will always encode them as strings.\n\n" \
    "You are seeing this error because you are trying to check the value of the related configuration, " \
    "`active_support.encode_big_decimal_as_string`. If your application depends on this option, you should " \
    "add the 'activesupport-json_encoder' gem to your Gemfile. For now, this option will always be true. " \
    "In the future, it will be removed from Rails, so you should stop checking its value."
  ActiveSupport::Deprecation.warn message
  true
end