module ErrorFormatter

module Base

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.key?(Grape::Env::API_VERSION)

presented_message = presenter.represent(presented_message, embeds).serializable_hash

end

presented_message

end

end

end