Method ValidateValue

core/field_select.go:185–211

ValidateValue implements [Field.ValidateValue] interface method.

(ctx context.Context, app App, record *Record)

// ValidateValue implements [Field.ValidateValue] interface method.
func (f *SelectField) ValidateValue(ctx context.Context, app App, record *Record) error {
	normalizedVal := list.ToUniqueStringSlice(record.GetRaw(f.Name))
	if len(normalizedVal) == 0 {
		if f.Required {
			return validation.ErrRequired
		}
		return nil // nothing to check
	}

	maxSelect := max(f.MaxSelect, 1)

	// check max selected items
	if len(normalizedVal) > maxSelect {
		return validation.NewError("validation_too_many_values", "Select no more than {{.maxSelect}}").
			SetParams(map[string]any{"maxSelect": maxSelect})
	}

	// check against the allowed values
	for _, val := range normalizedVal {
		if !slices.Contains(f.Values, val) {
			return validation.NewError("validation_invalid_value", "Invalid value {{.value}}").
				SetParams(map[string]any{"value": val})
		}
	}

	return nil
}

// ValidateSettings implements [Field.ValidateSettings] interface method.
func (f *SelectField) ValidateSettings(ctx context.Context, app App, collection *Collection) error {