override fun getCurrentLanguage(): Flow<LanguageDTO?> {
        return realm.where(LanguageDTO::class.java)
            .equalTo("isCurrent", true)
            .findFirstAsync().toFlow()
    }


    override fun updateLanguage(id: Int) {
        val currentLanguage = realm.where(LanguageDTO::class.java)
            .equalTo("isCurrent", true).findFirst()

        val language = realm.where(LanguageDTO::class.java)
            .equalTo("id", id).findFirst()

        realm.beginTransaction()
        if (currentLanguage != null) {
            currentLanguage.isCurrent = false

            if (language != null) {
                language.isCurrent = true
            }
        }

        realm.commitTransaction()
    }