Method SetFile

request.go:301–329

SetFile set up a multipart form from file path to upload, which read file from filePath automatically to upload.

(paramName, filePath string)

// SetFile set up a multipart form from file path to upload,
// which read file from filePath automatically to upload.
func (r *Request) SetFile(paramName, filePath string) *Request {
	file, err := os.Open(filePath)
	if err != nil {
		r.client.log.Errorf("failed to open %s: %v", filePath, err)
		r.appendError(err)
		return r
	}
	fileInfo, err := os.Stat(filePath)
	if err != nil {
		r.client.log.Errorf("failed to stat file %s: %v", filePath, err)
		r.appendError(err)
		return r
	}
	r.isMultiPart = true
	return r.SetFileUpload(FileUpload{
		ParamName: paramName,
		FileName:  filepath.Base(filePath),
		GetFileContent: func() (io.ReadCloser, error) {
			if r.RetryAttempt > 0 {
				file, err = os.Open(filePath)
				if err != nil {
					return nil, err
				}
			}
			return file, nil
		},
		FileSize: fileInfo.Size(),
	})
}

var (
	errMissingParamName   = errors.New("missing param name in multipart file upload")