func()

in client/api/client.go [182:252]

• 49 lines of code
• 12 McCabe index (conditional complexity)

func (c *APIClient) prepareRequest(
	path string,
    method string,
	headerParams map[string]string,
	queryParams url.Values,
	formParams url.Values,
) (localVarRequest *http.Request, err error) {

	var body *bytes.Buffer

	// add form parameters
	if strings.HasPrefix(headerParams["Content-Type"], "application/x-www-form-urlencoded") && len(formParams) > 0 {
		body = &bytes.Buffer{}
		body.WriteString(formParams.Encode())
		// Set Content-Length
		headerParams["Content-Length"] = fmt.Sprintf("%d", body.Len())
	}

	// Setup path and query parameters
	url, err := url.Parse(path)
	if err != nil {
		return nil, err
	}

	// Adding Query Param
	query := url.Query()
	for k, v := range queryParams {
		for _, iv := range v {
			query.Add(k, iv)
		}
	}

	// Encode the parameters.
	url.RawQuery = query.Encode()

	// Generate a new request
	if body != nil {
		localVarRequest, err = http.NewRequest(method, url.String(), body)
	} else {
		localVarRequest, err = http.NewRequest(method, url.String(), nil)
	}
	if err != nil {
		return nil, err
	}

	// add header parameters, if any
	if len(headerParams) > 0 {
		headers := http.Header{}
		for h, v := range headerParams {
			headers.Set(h, v)
		}
		localVarRequest.Header = headers
	}

	// Override request host, if applicable
	if c.cfg.Host != "" {
		localVarRequest.Host = c.cfg.Host
	}

	// Add the user agent to the request.
	localVarRequest.Header.Add("User-Agent", "cgw-client/1.0.0/go")

    // prepare sign headers
    prepareSignHeader(queryParams, formParams, localVarRequest, c.cfg)

	for header, value := range c.cfg.DefaultHeader {
		localVarRequest.Header.Add(header, value)
	}

	return localVarRequest, nil
}