func()

in go-example-extension-sam-layer/go-example-extension/extension/client.go [74:109]

• 35 lines of code
• 7 McCabe index (conditional complexity)

func (e *Client) Register(ctx context.Context, filename string) (*RegisterResponse, error) {
	const action = "/register"
	url := e.baseURL + action

	reqBody, err := json.Marshal(map[string]interface{}{
		"events": []EventType{Invoke, Shutdown},
	})
	if err != nil {
		return nil, err
	}
	httpReq, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewBuffer(reqBody))
	if err != nil {
		return nil, err
	}
	httpReq.Header.Set(extensionNameHeader, filename)
	httpRes, err := e.httpClient.Do(httpReq)
	if err != nil {
		return nil, err
	}
	if httpRes.StatusCode != 200 {
		return nil, fmt.Errorf("request failed with status %s", httpRes.Status)
	}
	defer httpRes.Body.Close()
	body, err := ioutil.ReadAll(httpRes.Body)
	if err != nil {
		return nil, err
	}
	res := RegisterResponse{}
	err = json.Unmarshal(body, &res)
	if err != nil {
		return nil, err
	}
	e.extensionID = httpRes.Header.Get(extensionIdentiferHeader)
	print(e.extensionID)
	return &res, nil
}