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improvements in ReadKeyValueFromCRUDRepo

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InsanusMokrassar
2023-02-17 13:45:22 +06:00
parent c1476bd075
commit f4af28059b
7 changed files with 129 additions and 30 deletions
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29
pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/utils/OptionallyReverse.kt Normal file
View File

@@ -0,0 +1,29 @@
package dev.inmo.micro_utils.pagination.utils
fun <T> Iterable<T>.optionallyReverse(reverse: Boolean): Iterable<T> = when (this) {
is List<T> -> optionallyReverse(reverse)
is Set<T> -> optionallyReverse(reverse)
else -> if (reverse) {
reversed()
} else {
this
}
}
fun <T> List<T>.optionallyReverse(reverse: Boolean): List<T> = if (reverse) {
reversed()
} else {
this
}
fun <T> Set<T>.optionallyReverse(reverse: Boolean): Set<T> = if (reverse) {
reversed().toSet()
} else {
this
}
inline fun <reified T> Array<T>.optionallyReverse(reverse: Boolean) = if (reverse) {
Array(size) {
get(lastIndex - it)
}
} else {
this
}

56
pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/utils/IterableExtensions.kt → pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/utils/Paginate.kt
View File

@@ -32,6 +32,24 @@ fun <T> List<T>.paginate(with: Pagination): PaginationResult<T> {
)
}
fun <T> List<T>.paginate(with: Pagination, reversed: Boolean): PaginationResult<T> {
val actualPagination = with.optionallyReverse(
size,
reversed
)
val firstIndex = maxOf(actualPagination.firstIndex, 0)
val lastIndex = minOf(actualPagination.lastIndexExclusive, size)
if (firstIndex > lastIndex) {
return emptyPaginationResult()
}
return subList(firstIndex, lastIndex).optionallyReverse(reversed).createPaginationResult(
with,
size.toLong()
)
}
fun <T> Set<T>.paginate(with: Pagination): PaginationResult<T> {
return this.drop(with.firstIndex).take(with.size).createPaginationResult(
with,
@@ -39,30 +57,20 @@ fun <T> Set<T>.paginate(with: Pagination): PaginationResult<T> {
)
}
fun <T> Iterable<T>.optionallyReverse(reverse: Boolean): Iterable<T> = when (this) {
is List<T> -> optionallyReverse(reverse)
is Set<T> -> optionallyReverse(reverse)
else -> if (reverse) {
reversed()
} else {
this
}
}
fun <T> List<T>.optionallyReverse(reverse: Boolean): List<T> = if (reverse) {
reversed()
} else {
this
}
fun <T> Set<T>.optionallyReverse(reverse: Boolean): Set<T> = if (reverse) {
reversed().toSet()
} else {
this
}
fun <T> Set<T>.paginate(with: Pagination, reversed: Boolean): PaginationResult<T> {
val actualPagination = with.optionallyReverse(
size,
reversed
)
inline fun <reified T> Array<T>.optionallyReverse(reverse: Boolean) = if (reverse) {
Array(size) {
get(lastIndex - it)
val firstIndex = maxOf(actualPagination.firstIndex, 0)
val lastIndex = minOf(actualPagination.lastIndexExclusive, size)
if (firstIndex > lastIndex) {
return emptyPaginationResult()
}
} else {
this
return this.drop(firstIndex).take(lastIndex - firstIndex).optionallyReverse(reversed).createPaginationResult(
with,
size.toLong()
)
}