Module: Grape::ErrorFormatter::Base

Defined in:
lib/grape/error_formatter/base.rb

Constant Summary collapse

FORMATTERS = 
{
  serializable_hash: Grape::ErrorFormatter::Json,
  json: Grape::ErrorFormatter::Json,
  jsonapi: Grape::ErrorFormatter::Json,
  txt: Grape::ErrorFormatter::Txt,
  xml: Grape::ErrorFormatter::Xml
}

Class Method Summary collapse

Class Method Details

.formatter_for(api_format, options = {}) ⇒ Object 



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# File 'lib/grape/error_formatter/base.rb', line 17

def formatter_for(api_format, options = {})
  spec = formatters(options)[api_format]
  case spec
  when nil
    options[:default_error_formatter] || Grape::ErrorFormatter::Txt
  when Symbol
    method(spec)
  else
    spec
  end
end

.formatters(options) ⇒ Object 



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# File 'lib/grape/error_formatter/base.rb', line 13

def formatters(options)
  FORMATTERS.merge(options[:error_formatters] || {})
end

.present(message, env) ⇒ Object 



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# File 'lib/grape/error_formatter/base.rb', line 32

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

  presenter = env['api.endpoint'].entity_class_for_obj(message, present_options)

  unless presenter || env['rack.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['rack.routing_args'][:route_info].route_http_codes || []
    found_code = http_codes.find do |http_code|
      (http_code[0].to_i == env['api.endpoint'].status) && http_code[2].respond_to?(:represent)
    end if env['api.endpoint'].request

    presenter = found_code[2] if found_code
  end

  if presenter
    embeds = { env: env }
    embeds[:version] = env['api.version'] if env['api.version']
    message = presenter.represent(message, embeds).serializable_hash
  end

  message
end