def execute
response = Notifications.instrument 'praxis.request_stage.execute', controller: controller do
if controller.method(action.name).arity.zero?
controller.__send__(action.name)
else
controller.__send__(action.name, **request.params_hash)
end
end
case response
when String
controller.response.body = response
when Praxis::Response
controller.response = response
else
raise "Action #{action.name} in #{controller.class} returned #{response.inspect}. Only Response objects or Strings allowed."
end
controller.response.request = request
nil
end