Module: ApiErrorHandler

Defined in:
lib/api_error_handler.rb,
lib/api_error_handler/errors.rb,
lib/api_error_handler/version.rb,
lib/api_error_handler/serializers/xml.rb,
lib/api_error_handler/serializers/json.rb,
lib/api_error_handler/serializers/json_api.rb,
lib/api_error_handler/serializers/base_serializer.rb

Defined Under Namespace

Modules: Serializers

Constant Summary collapse

SERIALIZERS_BY_FORMAT = 
{
  json: Serializers::Json,
  json_api: Serializers::JsonApi,
  xml: Serializers::Xml,
}.freeze
SERIALIZER_OPTIONS = 
{
  backtrace: false,
}.freeze
CONTENT_TYPE_BY_FORMAT = 
{
  json_api: "application/vnd.api+json"
}.freeze
VERSION = 
"0.1.0"

Instance Method Summary collapse

Instance Method Details

#handle_api_errors(options = {}) ⇒ Object 



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# File 'lib/api_error_handler.rb', line 20

def handle_api_errors(options = {})
  format = options.fetch(:format, :json)
  status_mapping = ActionDispatch::ExceptionWrapper.rescue_responses
  error_reporter = options[:error_reporter]
  serializer_options = SERIALIZER_OPTIONS.merge(
    options.slice(*SERIALIZER_OPTIONS.keys)
  )

  serializer_class = options[:serializer] || SERIALIZERS_BY_FORMAT.fetch(format)
  content_type = options[:content_type] || CONTENT_TYPE_BY_FORMAT[format]

  rescue_from StandardError do |error|
    begin
      status = status_mapping[error.class.to_s]

      error_id = nil
      error_id = options[:error_id].call(error) if options[:error_id]
      error_reporter.call(error, error_id) if error_reporter

      serializer = serializer_class.new(error, status)
      response_body = serializer.serialize(
        serializer_options.merge(error_id: error_id)
      )

      render(
        serializer.render_format => response_body,
        content_type: content_type,
        status: status
      )
    rescue
      raise error
    end
  end
end