package persistence

import (
	"errors"
	"strings"

	"gorm.io/gorm"
)

func mapNotFoundErr(err error, sentinel error) error {
	if errors.Is(err, gorm.ErrRecordNotFound) {
		return sentinel
	}
	return err
}

func deleteOrNotFound(result *gorm.DB, sentinel error) error {
	if result.Error != nil {
		return result.Error
	}
	if result.RowsAffected == 0 {
		return sentinel
	}
	return nil
}

func containsPattern(fragment string) string {
	escaped := strings.NewReplacer("!", "!!", "%", "!%", "_", "!_").Replace(fragment)
	return "%" + escaped + "%"
}