Exemple #1
0
func (e *SelectionValidator) processField(fieldName string, field *structs.Field) error {
	fieldName += field.Name()
	switch field.Kind() {
	case reflect.Struct:
		// this is used for error messages below, when we have an error at the
		// child properties add parent properties into the error message as well
		fieldName += "."

		for _, f := range field.Fields() {
			if err := e.processField(fieldName, f); err != nil {
				return err
			}
		}
	default:
		if field.IsZero() {
			return nil
		}
		selectionStr := field.Tag(e.SelectTagName)
		if selectionStr == "" {
			return nil
		}

		err := validateSelection(field, selectionStr)
		if err != nil {
			return err
		}
	}

	return nil
}
Exemple #2
0
func (e *RequiredValidator) processField(fieldName string, field *structs.Field) error {
	fieldName += field.Name()
	switch field.Kind() {
	case reflect.Struct:
		// this is used for error messages below, when we have an error at the
		// child properties add parent properties into the error message as well
		fieldName += "."

		for _, f := range field.Fields() {
			if err := e.processField(fieldName, f); err != nil {
				return err
			}
		}
	default:
		val := field.Tag(e.RequiredTagName)
		if val != "true" && val != "1" {
			return nil
		}
		if field.IsZero() {
			return fmt.Errorf("Field '%s' is required", fieldName)
		}
	}

	return nil
}
Exemple #3
0
func (e *RangeValidator) processField(fieldName string, field *structs.Field) error {
	fieldName += field.Name()
	switch field.Kind() {
	case reflect.Struct:
		// this is used for error messages below, when we have an error at the
		// child properties add parent properties into the error message as well
		fieldName += "."

		for _, f := range field.Fields() {
			if err := e.processField(fieldName, f); err != nil {
				return err
			}
		}
	default:
		if field.IsZero() { //if not initialized, we won't validate it
			return nil
		}
		minStr := field.Tag(e.MinTagName)
		maxStr := field.Tag(e.MaxTagName)
		if minStr == "" && maxStr == "" {
			return nil
		}

		err := validateRange(field, minStr, maxStr)
		if err != nil {
			return err
		}
	}

	return nil
}