Function handleDownload

middleware.go:410–450

(c *Client, r *Response)

}

func handleDownload(c *Client, r *Response) (err error) {
	if r.Response == nil || !r.Request.isSaveResponse {
		return nil
	}
	var body io.ReadCloser

	if r.body != nil { // already read
		body = io.NopCloser(bytes.NewReader(r.body))
	} else {
		body = r.Body
	}

	var output io.Writer
	if r.Request.outputFile != "" {
		file := r.Request.outputFile
		if c.outputDirectory != "" && !filepath.IsAbs(file) {
			file = c.outputDirectory + string(filepath.Separator) + file
		}

		file = filepath.Clean(file)

		if err = util.CreateDirectory(filepath.Dir(file)); err != nil {
			return err
		}
		output, err = os.Create(file)
		if err != nil {
			return
		}
	} else {
		output = r.Request.output // must not nil
	}

	defer func() {
		body.Close()
		closeq(output)
	}()

	_, err = io.Copy(output, body)
	r.setReceivedAt()
	return
}

// generate URL
func parseRequestURL(c *Client, r *Request) error {