Method request

api/crawler/client.go:45–91

Request sends an HTTP request and returns an HTTP response. It unmarshals the response body to the given interface.

(
	res interface{},
	method string,
	path string,
	body interface{},
	urlParams map[string]string,
)

// Request sends an HTTP request and returns an HTTP response.
// It unmarshals the response body to the given interface.
func (c *Client) request(
	res interface{},
	method string,
	path string,
	body interface{},
	urlParams map[string]string,
) error {
	r, err := c.buildRequest(method, path, body, urlParams)
	if err != nil {
		return err
	}

	resp, err := c.client.Do(r)
	if err != nil {
		return err
	}

	if resp.StatusCode >= 400 {
		var errResp ErrResponse
		if err := unmarshalTo(resp, &errResp); err != nil {
			return err
		}

		if errResp.Err.Errors != nil {
			var errs []string
			for _, e := range errResp.Err.Errors {
				errs = append(errs, e.Message)
			}
			return fmt.Errorf("[%s] %s", errResp.Err.Code, errs)
		}

		// Message might be empty
		if errResp.Err.Message == "" {
			return errors.New(errResp.Err.Code)
		} else {
			return fmt.Errorf("[%s] %s", errResp.Err.Code, errResp.Err.Message)
		}
	}

	if res != nil {
		if err := unmarshalTo(resp, res); err != nil {
			return err
		}
	}

	return nil
}

// buildRequestWithoutBody builds an HTTP request without a body.
func (c *Client) buildRequestWithoutBody(method, url string) (*http.Request, error) {