niki/validator/benefactor/kind_box/validator.go

package userkindbox

import (
	"fmt"

	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
)

type Repository interface {
	BenefactorExist(id int) (bool, error)
	KindBoxExist(id int) (bool, error)
}

type Validator struct {
	repo Repository
}

func New(repo Repository) Validator {
	return Validator{repo: repo}
}

func (v Validator) doesBenefactorExist(value interface{}) error {
	benefactorID := value.(int)
	_, err := v.repo.BenefactorExist(benefactorID)
	if err != nil {
		return fmt.Errorf(errmsg.ErrorMsgNotFound)
	}

	return nil
}

func (v Validator) doesKindBoxExist(value interface{}) error {
	kindBoxID := value.(int)
	_, err := v.repo.KindBoxExist(kindBoxID)
	if err != nil {
		return fmt.Errorf(errmsg.ErrorMsgNotFound)
	}

	return nil
}