package validator import ( "errors" "fmt" "unicode/utf8" "tangled.org/core/appview/models" ) func (v *Validator) ValidateString(s *models.String) error { var err error if utf8.RuneCountInString(s.Filename) > 140 { err = errors.Join(err, fmt.Errorf("filename too long")) } if utf8.RuneCountInString(s.Description) > 280 { err = errors.Join(err, fmt.Errorf("description too long")) } if len(s.Contents) == 0 { err = errors.Join(err, fmt.Errorf("contents is empty")) } return err }