class Doorkeeper::OAuth::ErrorResponse

def self.from_request(request)
  state = request.state if request.respond_to?(:state)
  new(:name => request.error, :state => state)
end

def attributes
  { 'error' => name, 'error_description' => description, 'state' => state }.reject { |k, v| v.blank? }
end

def initialize(attributes = {})
  @error = Doorkeeper::OAuth::Error.new(*attributes.values_at(:name, :state))
end

def status
  :unauthorized
end