func handler()

in go-al2/hello-world/main.go [24:47]

• 20 lines of code
• 5 McCabe index (conditional complexity)

func handler(request events.APIGatewayProxyRequest) (events.APIGatewayProxyResponse, error) {
	resp, err := http.Get(DefaultHTTPGetAddress)
	if err != nil {
		return events.APIGatewayProxyResponse{}, err
	}

	if resp.StatusCode != 200 {
		return events.APIGatewayProxyResponse{}, ErrNon200Response
	}

	ip, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return events.APIGatewayProxyResponse{}, err
	}

	if len(ip) == 0 {
		return events.APIGatewayProxyResponse{}, ErrNoIP
	}

	return events.APIGatewayProxyResponse{
		Body:       fmt.Sprintf("Hello, %v", string(ip)),
		StatusCode: 200,
	}, nil
}