module ActionDispatch::Http::Parameters

def normalize_encode_params(params)
  case params
  when Hash
    if params.has_key?(:tempfile)
      UploadedFile.new(params)
    else
      params.each_with_object({}) do |(key, val), new_hash|
        new_hash[key] = if val.is_a?(Array)
          val.map! { |el| normalize_encode_params(el) }
        else
          normalize_encode_params(val)
        end
      end.with_indifferent_access
    end
  else
    params
  end
end

def parameters
  @env["action_dispatch.request.parameters"] ||= begin
    params = begin
      request_parameters.merge(query_parameters)
    rescue EOFError
      query_parameters.dup
    end
    params.merge!(path_parameters)
  end
end

def path_parameters
  @env[PARAMETERS_KEY] ||= {}
end

def path_parameters=(parameters) #:nodoc:
  @env.delete('action_dispatch.request.parameters')
  @env[PARAMETERS_KEY] = parameters
end

def symbolized_path_parameters
  ActiveSupport::Deprecation.warn(
    '`symbolized_path_parameters` is deprecated. Please use `path_parameters`.'
  )
  path_parameters
end