Function GetEditorInput

pkg/cli/ui/editor.go:86–134

GetEditorInput gets the user input by launching a text editor and waiting for it to exit

(ctx context.DnoteCtx, fpath string)

// GetEditorInput gets the user input by launching a text editor and waiting for
// it to exit
func GetEditorInput(ctx context.DnoteCtx, fpath string) (string, error) {
	ok, err := utils.FileExists(fpath)
	if err != nil {
		return "", errors.Wrapf(err, "checking if the file exists at %s", fpath)
	}
	if !ok {
		f, err := os.Create(fpath)
		if err != nil {
			return "", errors.Wrap(err, "creating a temporary content file")
		}
		err = f.Close()
		if err != nil {
			return "", errors.Wrap(err, "closing the temporary content file")
		}
	}

	cmd, err := newEditorCmd(ctx, fpath)
	if err != nil {
		return "", errors.Wrap(err, "creating an editor command")
	}

	cmd.Stdin = os.Stdin
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr

	err = cmd.Start()
	if err != nil {
		return "", errors.Wrapf(err, "launching an editor")
	}

	err = cmd.Wait()
	if err != nil {
		return "", errors.Wrap(err, "waiting for the editor")
	}

	b, err := os.ReadFile(fpath)
	if err != nil {
		return "", errors.Wrap(err, "reading the temporary content file")
	}

	err = os.Remove(fpath)
	if err != nil {
		return "", errors.Wrap(err, "removing the temporary content file")
	}

	raw := string(b)

	return raw, nil
}