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https://github.com/InsanusMokrassar/MicroUtils.git
synced 2024-11-22 16:23:50 +00:00
more fixes to god of fixes in paginations
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@ -50,15 +50,19 @@ val PaginationResult<*>.lastPage
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val PaginationResult<*>.isLastPage
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get() = page.toLong() == lastPageLong
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fun <T> emptyPaginationResult() = PaginationResult<T>(0, 0, emptyList(), 0L)
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fun <T> emptyPaginationResult(
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basePagination: Pagination
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basePagination: Pagination,
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objectsNumber: Number
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) = PaginationResult<T>(
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basePagination.page,
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basePagination.size,
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emptyList(),
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0L
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objectsNumber.toLong()
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)
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fun <T> emptyPaginationResult(
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basePagination: Pagination,
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) = emptyPaginationResult<T>(basePagination, 0)
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fun <T> emptyPaginationResult() = emptyPaginationResult<T>(FirstPagePagination(0))
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/**
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* @return New [PaginationResult] with [data] without checking of data sizes equality
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@ -21,8 +21,8 @@ fun <T> Iterable<T>.paginate(with: Pagination): PaginationResult<T> {
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}
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fun <T> List<T>.paginate(with: Pagination): PaginationResult<T> {
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if (with.firstIndex !in indices || with.lastIndex !in indices) {
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return emptyPaginationResult(with)
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if (with.firstIndex >= size || with.lastIndex < 0) {
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return emptyPaginationResult(with, size.toLong())
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}
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return asSequence().drop(with.firstIndex).take(with.size).toList().createPaginationResult(
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with,
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@ -38,7 +38,27 @@ class PaginationPaging {
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doForAllWithNextPaging(startPagination) {
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val resultPagination = list.paginate(it)
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assertEquals(resultPagination, emptyPaginationResult(it))
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assertEquals(resultPagination, emptyPaginationResult(it, list.size))
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assertFalse(paginationHappend)
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paginationHappend = true
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resultPagination
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}
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assertTrue(paginationHappend)
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}
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@Test
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fun testRightOutPaginateOnList() {
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val list = (0 until 7).toList()
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val startPagination = SimplePagination(page = 4, size = 2)
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var paginationHappend = false
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doForAllWithNextPaging(startPagination) {
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val resultPagination = list.paginate(it)
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assertEquals(resultPagination, emptyPaginationResult(it, list.size))
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assertFalse(paginationHappend)
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