func wrap()

in cfn-resources/network-peering/cmd/main.go [49:85]

• 28 lines of code
• 6 McCabe index (conditional complexity)

func wrap(req handler.Request, f handlerFunc) (response handler.ProgressEvent) {
	defer func() {
		// Catch any panics and return a failed ProgressEvent
		if r := recover(); r != nil {
			err, ok := r.(error)
			if !ok {
				err = errors.New(fmt.Sprint(r))
			}

			log.Printf("Trapped error in handler: %v", err)

			response = handler.NewFailedEvent(err)
		}
	}()

	// Populate the previous model
	prevModel := &resource.Model{}
	if err := req.UnmarshalPrevious(prevModel); err != nil {
		log.Printf("Error unmarshaling prev model: %v", err)
		return handler.NewFailedEvent(err)
	}

	// Populate the current model
	currentModel := &resource.Model{}
	if err := req.Unmarshal(currentModel); err != nil {
		log.Printf("Error unmarshaling model: %v", err)
		return handler.NewFailedEvent(err)
	}

	response, err := f(req, prevModel, currentModel)
	if err != nil {
		log.Printf("Error returned from handler function: %v", err)
		return handler.NewFailedEvent(err)
	}

	return response
}