[MangaInUa] Fix chapters and pages parsing

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

@@ -9,6 +9,8 @@ import org.koitharu.kotatsu.parsers.util.*
 import java.text.SimpleDateFormat
 import java.util.*
 
+private const val DEF_BRANCH_NAME = "Основний переклад"
+
 @MangaSourceParser("MANGAINUA", "MANGA/in/UA", "uk")
 class MangaInUaParser(override val context: MangaLoaderContext) : MangaParser(MangaSource.MANGAINUA) {
 
@@ -21,41 +23,41 @@ class MangaInUaParser(override val context: MangaLoaderContext) : MangaParser(Ma
 		offset: Int,
 		query: String?,
 		tags: Set<MangaTag>?,
-		sortOrder: SortOrder?
+		sortOrder: SortOrder?,
 	): List<Manga> {
 		val page = (offset / 24f).toIntUp().inc()
 		val searchPage = (offset / 10f).toIntUp().inc()
 		val url = when {
-			!query.isNullOrEmpty() -> ("/index.php?do=search" +
+			!query.isNullOrEmpty() -> (
+				"/index.php?do=search" +
 					"&subaction=search" +
-					"&search_start=${searchPage}" +
+					"&search_start=$searchPage" +
 					"&full_search=1" +
-					"&story=${query}" +
-					"&titleonly=3").withDomain()
+					"&story=$query" +
+					"&titleonly=3"
+				).withDomain()
 			tags.isNullOrEmpty() -> "/mangas/page/$page".withDomain()
 			tags.size == 1 -> "${tags.first().key}/page/$page"
 			tags.size > 1 -> throw IllegalArgumentException("This source supports only 1 genre")
-			else -> "/mangas/page/${page}".withDomain()
+			else -> "/mangas/page/$page".withDomain()
 		}
 		val doc = context.httpGet(url).parseHtml()
 		val container = doc.body().getElementById("dle-content") ?: parseFailed("Container not found")
 		val items = container.select("div.col-6")
 		return items.mapNotNull { item ->
 			val href = item.selectFirst("a")?.attrAsRelativeUrl("href") ?: return@mapNotNull null
-			val listCover = item.selectFirst("header.card__cover")?.selectFirst("img")?.attrAsAbsoluteUrlOrNull("data-src")
-			val searchCover = item.selectFirst("header.card__cover")?.selectFirst("img")?.attrAsAbsoluteUrlOrNull("src").orEmpty()
 			Manga(
 				id = generateUid(href),
 				title = item.selectFirst("h3.card__title")?.text() ?: return@mapNotNull null,
-				coverUrl = listCover ?: searchCover,
+				coverUrl = item.selectFirst("header.card__cover")?.selectFirst("img")?.run {
+					attrAsAbsoluteUrlOrNull("data-src") ?: attrAsAbsoluteUrlOrNull("src")
+				}.orEmpty(),
 				altTitle = null,
 				author = null,
-				rating = runCatching {
-					item.selectFirst("div.card__short-rate--num")
-						?.text()
-						?.toFloatOrNull()
-						?.div(10F)
-				}.getOrNull() ?: RATING_UNKNOWN,
+				rating = item.selectFirst("div.card__short-rate--num")
+					?.text()
+					?.toFloatOrNull()
+					?.div(10F) ?: RATING_UNKNOWN,
 				url = href,
 				isNsfw = item.selectFirst("ul.card__list")?.select("li")?.lastOrNull()?.text() == "18+",
 				tags = runCatching {
@@ -79,31 +81,48 @@ class MangaInUaParser(override val context: MangaLoaderContext) : MangaParser(Ma
 		val root =
 			doc.body().getElementById("dle-content") ?: parseFailed("Cannot find root")
 		val dateFormat = SimpleDateFormat("dd.MM.yyyy", Locale.US)
+		val chaptersRoot = root.selectFirst(".linkstocomics")
+		var prevChapterName: String? = null
+		var i = 0
 		return manga.copy(
 			description = root.selectFirst("div.item__full-description")?.text(),
-			largeCoverUrl = root.selectFirst("div.item__full-sidebar--poster")?.selectFirst("img")?.attrAsAbsoluteUrl("src").orEmpty(),
-			chapters = root.select("div.linkstocomics").mapIndexedNotNull { i, item ->
-				val href = item?.selectFirst("a")?.attr("href")
-					?: return@mapIndexedNotNull null
+			largeCoverUrl = root.selectFirst("div.item__full-sidebar--poster")?.selectFirst("img")
+				?.attrAsAbsoluteUrlOrNull("src"),
+			chapters = chaptersRoot?.select("div.ltcitems")?.mapNotNull { item ->
+				val href = item?.selectFirst("a")?.attrAsRelativeUrlOrNull("href")
+					?: return@mapNotNull null
+				val isAlternative = item.styleValueOrNull("background") != null
+				val name = item.selectFirst("a")?.text().orEmpty()
+				if (!isAlternative) i++
 				MangaChapter(
 					id = generateUid(href),
-					name = item.selectFirst("a")?.text().orEmpty(),
-					number = i + 1,
+					name = if (isAlternative) {
+						prevChapterName ?: return@mapNotNull null
+					} else {
+						prevChapterName = name
+						name
+					},
+					number = i,
 					url = href,
 					scanlator = null,
-					branch = null,
+					branch = if (isAlternative) {
+						name.substringAfterLast(':').trim()
+					} else {
+						DEF_BRANCH_NAME
+					},
 					uploadDate = dateFormat.tryParse(item.selectFirst("div.ltcright")?.text()),
 					source = source,
 				)
-			},
+			}.orEmpty(),
 		)
 	}
 
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		val fullUrl = chapter.url.withDomain()
 		val doc = context.httpGet(fullUrl).parseHtml()
-		val root = doc.body().getElementById("comics") ?: parseFailed("Root not found")
-		return root.select("ul.xfieldimagegallery").map { ul ->
+		val root =
+			doc.body().getElementById("comics")?.selectFirst("ul.xfieldimagegallery") ?: parseFailed("Root not found")
+		return root.select("li").map { ul ->
 			val img = ul.selectFirst("img") ?: parseFailed("Page image not found")
 			val url = img.attrAsAbsoluteUrl("data-src")
 			MangaPage(
@@ -119,9 +138,10 @@ class MangaInUaParser(override val context: MangaLoaderContext) : MangaParser(Ma
 	override suspend fun getTags(): Set<MangaTag> {
 		val domain = getDomain()
 		val doc = context.httpGet("https://$domain/mangas").parseHtml()
-		val root = doc.body().getElementById("menu_1")?.selectFirst("div.menu__wrapper") ?: parseFailed("Cannot find root")
-		return root.select("li").mapToSet { li ->
-			val a = li.selectFirst("a") ?: parseFailed("a is null")
+		val root =
+			doc.body().getElementById("menu_1")?.selectFirst("div.menu__wrapper") ?: parseFailed("Cannot find root")
+		return root.select("li").mapNotNullToSet { li ->
+			val a = li.selectFirst("a") ?: return@mapNotNullToSet null
 			MangaTag(
 				title = a.ownText(),
 				key = a.attr("href").removeSuffix("/"),