ReviewManagerExt.kt

private const val REVIEW_ITEMS_COUNT = 10

fun List<MyVocabListItemModel>.getNextSession(
    dateHelpers: DateHelpers
): List<MyVocabListItemModel> {
    return filter { it -> it.lastReviewAt?.let { dateHelpers.isToday(it) } == false }
        .ifEmpty { sortedBy { it.lastReviewAt } }
        .take(REVIEW_ITEMS_COUNT)
}