Module: Grape::ErrorFormatter::Base

Included in:
Json, Txt, Xml
Defined in:
lib/grape/error_formatter/base.rb

Instance Method Summary collapse

Instance Method Details

#present(message, env) ⇒ Object


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# File 'lib/grape/error_formatter/base.rb', line 4

def present(message, env)
  present_options = {}
  presented_message = message
  if presented_message.is_a?(Hash)
    presented_message = presented_message.dup
    present_options[:with] = presented_message.delete(:with)
  end

  presenter = env[Grape::Env::API_ENDPOINT].entity_class_for_obj(presented_message, present_options)

  unless presenter || env[Grape::Env::GRAPE_ROUTING_ARGS].nil?
    # env['api.endpoint'].route does not work when the error occurs within a middleware
    # the Endpoint does not have a valid env at this moment
    http_codes = env[Grape::Env::GRAPE_ROUTING_ARGS][:route_info].http_codes || []

    found_code = http_codes.find do |http_code|
      (http_code[0].to_i == env[Grape::Env::API_ENDPOINT].status) && http_code[2].respond_to?(:represent)
    end if env[Grape::Env::API_ENDPOINT].request

    presenter = found_code[2] if found_code
  end

  if presenter
    embeds = { env: env }
    embeds[:version] = env[Grape::Env::API_VERSION] if env[Grape::Env::API_VERSION]
    presented_message = presenter.represent(presented_message, embeds).serializable_hash
  end

  presented_message
end