[IsekaiScan] Fix chapters numbers #162

src/main/kotlin/org/koitharu/kotatsu/parsers/site/BatoToParser.kt

@@ -103,8 +103,7 @@ internal class BatoToParser(context: MangaLoaderContext) : PagedMangaParser(
 			chapters = root.selectFirst(".episode-list")
 				?.selectFirst(".main")
 				?.children()
-				?.reversed()
+				?.mapChapters(reversed = true) { i, div ->
-				?.mapChapters { i, div ->
 					div.parseChapter(i)
 				}.orEmpty(),
 		)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/BlogTruyenParser.kt

@@ -75,7 +75,7 @@ class BlogTruyenParser(context: MangaLoaderContext) :
 
 	private fun parseChapterList(doc: Document): List<MangaChapter> {
 		val chapterList = doc.select("#list-chapters > p")
-		return chapterList.asReversed().mapChapters { index, element ->
+		return chapterList.mapChapters(reversed = true) { index, element ->
 			val titleElement = element.selectFirst("span.title > a") ?: return@mapChapters null
 			val name = titleElement.text()
 			val relativeUrl = titleElement.attrAsRelativeUrl("href")

src/main/kotlin/org/koitharu/kotatsu/parsers/site/Manhwa18Parser.kt

@@ -56,7 +56,7 @@ class Manhwa18Parser(context: MangaLoaderContext) :
 			description = docs.selectFirst(".series-summary .summary-content")?.html(),
 			tags = tags.orEmpty(),
 			state = state,
-			chapters = docs.select(".card-body > .list-chapters > a").asReversed().mapChapters { index, element ->
+			chapters = docs.select(".card-body > .list-chapters > a").mapChapters(reversed = true) { index, element ->
 				// attrAsRelativeUrl only return page url without the '/'
 				val chapterUrl = element.attrAsAbsoluteUrlOrNull("href")?.toRelativeUrl(domain)
 					?: return@mapChapters null

src/main/kotlin/org/koitharu/kotatsu/parsers/site/NetTruyenParser.kt

@@ -35,7 +35,7 @@ class NetTruyenParser(context: MangaLoaderContext) :
 			?.toFloatOrNull() ?: 0f
 
 		val chapterElements = doc.getElementById("nt_listchapter")?.select("ul > li") ?: doc.parseFailed()
-		val chapters = chapterElements.asReversed().mapChapters { index, element ->
+		val chapters = chapterElements.mapChapters(reversed = true) { index, element ->
 			val a = element.selectFirst("div.chapter > a") ?: return@mapChapters null
 			val relativeUrl = a.attrAsRelativeUrlOrNull("href") ?: return@mapChapters null
 			val timeText = element.selectFirst("div.col-xs-4.text-center.no-wrap.small")?.text()

src/main/kotlin/org/koitharu/kotatsu/parsers/site/NineMangaParser.kt

@@ -110,7 +110,7 @@ internal abstract class NineMangaParser(
 			description = infoRoot.getElementsByAttributeValue("itemprop", "description").first()
 				?.html()?.substringAfter("</b>"),
 			chapters = root.selectFirst("div.chapterbox")?.select("ul.sub_vol_ul > li")
-				?.asReversed()?.mapChapters { i, li ->
+				?.mapChapters(reversed = true) { i, li ->
 					val a = li.selectFirst("a.chapter_list_a")
 					val href = a?.attrAsRelativeUrlOrNull("href")
 						?.replace("%20", " ") ?: li.parseFailed("Link not found")

src/main/kotlin/org/koitharu/kotatsu/parsers/site/TruyentranhLHParser.kt

@@ -53,7 +53,7 @@ class TruyentranhLHParser(context: MangaLoaderContext) :
 			state = state,
 			rating = rating ?: RATING_UNKNOWN,
 			description = infoHeaderEl?.selectFirst(".series-summary .summary-content")?.html(),
-			chapters = docs.select("ul.list-chapters.at-series > a").reversed().mapChapters { index, element ->
+			chapters = docs.select("ul.list-chapters.at-series > a").mapChapters(reversed = true) { index, element ->
 				MangaChapter(
 					id = generateUid(element.attrAsRelativeUrl("href")),
 					name = element.selectFirst(".chapter-name")?.text()?.trim().orEmpty(),

src/main/kotlin/org/koitharu/kotatsu/parsers/site/UnionMangasParser.kt

@@ -90,7 +90,7 @@ class UnionMangasParser(context: MangaLoaderContext) : PagedMangaParser(context,
 				it.toMangaTag()
 			} ?: manga.tags,
 			isNsfw = root.selectFirst(".alert-danger")?.html()?.contains("18 anos") == true,
-			chapters = root.select("div.row.capitulos").asReversed().mapChapters { i, div ->
+			chapters = root.select("div.row.capitulos").mapChapters(reversed = true) { i, div ->
 				val a = div.selectFirstOrThrow("a")
 				val href = a.attrAsRelativeUrl("href")
 				val title = a.text()

src/main/kotlin/org/koitharu/kotatsu/parsers/site/grouple/GroupleParser.kt

@@ -174,7 +174,7 @@ internal abstract class GroupleParser(
 			author = root.selectFirst("a.person-link")?.text() ?: manga.author,
 			isNsfw = root.select(".alert-warning").any { it.ownText().contains(NSFW_ALERT) },
 			chapters = root.selectFirst("div.chapters-link")?.selectFirst("table")
-				?.select("tr:has(td > a)")?.asReversed()?.mapChapters { i, tr ->
+				?.select("tr:has(td > a)")?.mapChapters(reversed = true) { i, tr ->
 					val a = tr.selectFirst("a.chapter-link") ?: return@mapChapters null
 					val href = a.attrAsRelativeUrl("href")
 					var translators = ""

src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/Hentai4Free.kt

@@ -48,7 +48,7 @@ internal class Hentai4Free(context: MangaLoaderContext) :
 		).parseHtml()
 		val ul = doc2.body().selectFirstOrThrow("ul")
 		val dateFormat = SimpleDateFormat(datePattern, Locale.US)
-		return ul.select("li").asReversed().mapChapters { i, li ->
+		return ul.select("li").mapChapters(reversed = true) { i, li ->
 			val a = li.selectFirst("a")
 			val href = a?.attrAsRelativeUrlOrNull("href") ?: li.parseFailed("Link is missing")
 			MangaChapter(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/Madara5Parser.kt

@@ -127,7 +127,7 @@ abstract class Madara5Parser @InternalParsersApi constructor(
 	private suspend fun loadChapters(mangaId: Long): List<MangaChapter> {
 		val dateFormat = SimpleDateFormat(datePattern, sourceLocale)
 		val doc = webClient.httpGet("https://${domain}/ajax-list-chapter?mangaID=$mangaId").parseHtml()
-		return doc.select("li.wp-manga-chapter").asReversed().mapChapters { i, li ->
+		return doc.select("li.wp-manga-chapter").mapChapters(reversed = true) { i, li ->
 			val a = li.selectFirstOrThrow("a")
 			val href = a.attrAsRelativeUrl("href")
 			MangaChapter(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/Madara6Parser.kt

@@ -47,7 +47,7 @@ internal abstract class Madara6Parser(
 		val url = mangaUrl.toAbsoluteUrl(domain).removeSuffix('/') + "/ajax/chapters/"
 		val dateFormat = SimpleDateFormat(datePattern, sourceLocale)
 		val doc = webClient.httpPost(url, emptyMap()).parseHtml()
-		return doc.select("li.wp-manga-chapter").asReversed().mapChapters { i, li ->
+		return doc.select("li.wp-manga-chapter").mapChapters(reversed = true) { i, li ->
 			val a = li.selectFirstOrThrow("a")
 			val href = a.attrAsRelativeUrl("href")
 			MangaChapter(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/MadaraParser.kt

@@ -154,7 +154,7 @@ internal abstract class MadaraParser(
 		val root2 = doc.body().selectFirstOrThrow("div.content-area")
 			.selectFirstOrThrow("div.c-page")
 		val dateFormat = SimpleDateFormat(datePattern, sourceLocale)
-		return root2.select("li").asReversed().mapChapters { i, li ->
+		return root2.select("li").mapChapters(reversed = true) { i, li ->
 			val a = li.selectFirst("a")
 			val href = a?.attrAsRelativeUrlOrNull("href") ?: li.parseFailed("Link is missing")
 			MangaChapter(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/MangaDistrict.kt

@@ -28,7 +28,7 @@ internal class MangaDistrict(context: MangaLoaderContext) :
 		).parseHtml()
 		val ul = doc2.body().selectFirstOrThrow("ul")
 		val dateFormat = SimpleDateFormat(datePattern, Locale.US)
-		return ul.select("li").asReversed().mapChapters { i, li ->
+		return ul.select("li").mapChapters(reversed = true) { i, li ->
 			val a = li.selectFirst("a")
 			val href = a?.attrAsRelativeUrlOrNull("href") ?: li.parseFailed("Link is missing")
 			MangaChapter(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/NeatManga.kt

@@ -53,7 +53,7 @@ internal class NeatManga(context: MangaLoaderContext) : MadaraParser(context, Ma
 		).parseHtml()
 		val ul = doc2.body().selectFirstOrThrow("ul")
 		val dateFormat = SimpleDateFormat(datePattern, Locale.US)
-		return ul.select("li").asReversed().mapChapters { i, li ->
+		return ul.select("li").mapChapters(reversed = true) { i, li ->
 			val a = li.selectFirst("a")
 			val href = a?.attrAsRelativeUrlOrNull("href") ?: li.parseFailed("Link is missing")
 			MangaChapter(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangareader/MangaReaderParser.kt

@@ -38,7 +38,7 @@ internal abstract class MangaReaderParser(
 
 	override suspend fun getDetails(manga: Manga): Manga {
 		val docs = webClient.httpGet(manga.url.toAbsoluteUrl(domain)).parseHtml()
-		val chapters = docs.select("#chapterlist > ul > li").reversed().mapChapters { index, element ->
+		val chapters = docs.select("#chapterlist > ul > li").mapChapters(reversed = true) { index, element ->
 			val url = element.selectFirst("a")?.attrAsRelativeUrl("href") ?: return@mapChapters null
 			MangaChapter(
 				id = generateUid(url),

src/main/kotlin/org/koitharu/kotatsu/parsers/site/multichan/ChanParser.kt

@@ -92,7 +92,7 @@ internal abstract class ChanParser(
 		return manga.copy(
 			description = root.getElementById("description")?.html()?.substringBeforeLast("<div"),
 			largeCoverUrl = root.getElementById("cover")?.absUrl("src"),
-			chapters = root.select("table.table_cha tr:gt(1)").reversed().mapChapters { i, tr ->
+			chapters = root.select("table.table_cha tr:gt(1)").mapChapters(reversed = true) { i, tr ->
 				val href = tr?.selectFirst("a")?.attrAsRelativeUrlOrNull("href")
 					?: return@mapChapters null
 				MangaChapter(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/multichan/YaoiChanParser.kt

@@ -21,7 +21,7 @@ internal class YaoiChanParser(context: MangaLoaderContext) : ChanParser(context,
 			largeCoverUrl = root.getElementById("cover")?.absUrl("src"),
 			chapters = root.select("table.table_cha").flatMap { table ->
 				table.select("div.manga")
-            }.mapNotNull { it.selectFirst("a") }.reversed().mapChapters { i, a ->
+			}.mapNotNull { it.selectFirst("a") }.mapChapters(reversed = true) { i, a ->
 				val href = a.attrAsRelativeUrl("href")
 				MangaChapter(
 					id = generateUid(href),

src/main/kotlin/org/koitharu/kotatsu/parsers/util/Chapters.kt

@@ -4,20 +4,18 @@ import org.koitharu.kotatsu.parsers.InternalParsersApi
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 
 @InternalParsersApi
-inline fun <T> Iterable<T>.mapChapters(
+inline fun <T> List<T>.mapChapters(
 	reversed: Boolean = false,
 	transform: (index: Int, T) -> MangaChapter?,
 ): List<MangaChapter> {
 	val builder = ChaptersListBuilder(collectionSize())
 	var index = 0
-	for (item in this) {
+	val elements = if (reversed) this.asReversed() else this
+	for (item in elements) {
 		if (builder.add(transform(index, item))) {
 			index++
 		}
 	}
-	if (reversed) {
-		builder.reverse()
-	}
 	return builder.toList()
 }