muonsoft / validation

package validation

import (

	"errors"

	"fmt"

	"strings"

)

// ConstraintError is used to return critical error from constraint that immediately

// stops the validation process. It is recommended to use Scope.NewConstraintError() method

// to initiate an error from current scope.

type ConstraintError struct {

	ConstraintName string

	Path           *PropertyPath

	Description    string

}

func (err *ConstraintError) Error() string {

	var s strings.Builder

	s.WriteString("failed to validate by " + err.ConstraintName)

	if err.Path != nil {

		s.WriteString(` at path "` + err.Path.String() + `"`)

	}

	s.WriteString(": " + err.Description)

	return s.String()

}

// ConstraintAlreadyStoredError is returned when trying to put a constraint

// in the validator store using an existing key.

type ConstraintAlreadyStoredError struct {

	Key string

}

func (err *ConstraintAlreadyStoredError) Error() string {

	return fmt.Sprintf(`constraint with key "%s" already stored`, err.Key)

}

// ConstraintNotFoundError is returned when trying to get a constraint

// from the validator store using a non-existent key.

type ConstraintNotFoundError struct {

	Key  string

	Type string

}

func (err *ConstraintNotFoundError) Error() string {

	return fmt.Sprintf(`constraint by key "%s" of type "%s" is not found`, err.Key, err.Type)

}

var errTranslatorOptionsDenied = errors.New("translation options denied when using custom translator")