role.Name = string(b)
	} else {
		role.Name = value.(string)
	}
	return nil
}

func (role Role) Value() (driver.Value, error) {
	return role.Name, nil
}

func (role Role) IsAdmin() bool {
	return role.Name == "admin"
}

type EmptyTime struct {
	time.Time
}

func (t *EmptyTime) Scan(v interface{}) error {
	nullTime := sql.NullTime{}
	err := nullTime.Scan(v)