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fixes in reverse extension

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This commit is contained in:
InsanusMokrassar 2020-10-22 14:54:27 +06:00
parent 64b0184a17
commit ff905e1491
1 changed files with 11 additions and 7 deletions
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18
pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/utils/PaginationReversing.kt
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@ -11,12 +11,16 @@ import dev.inmo.micro_utils.pagination.*
* @return Reversed version of this [Pagination]
*/
fun Pagination.reverse(objectsCount: Long): SimplePagination {
if (firstIndex > objectsCount) {
return Pagination(objectsCount.toInt(), size)
val resultSize = minOf(size, objectsCount.toInt())
return when {
firstIndex > objectsCount -> Pagination(calculatePage(resultSize, resultSize), resultSize)
size > objectsCount -> FirstPagePagination(resultSize)
else -> {
val firstIndex = (objectsCount - firstIndex - resultSize).toInt()
Pagination(
firstIndex,
resultSize
)
}
}
val firstIndex = (objectsCount - firstIndex - size).toInt()
return Pagination(
firstIndex,
size
)
}