[ExHentai] Fix pagination

build.gradle

@@ -57,7 +57,7 @@ dependencies {
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4'
 	implementation 'com.squareup.okhttp3:okhttp:4.10.0'
 	implementation 'com.squareup.okio:okio:3.2.0'
-	api 'org.jsoup:jsoup:1.15.2'
+	api 'org.jsoup:jsoup:1.15.3'
 	implementation 'org.json:json:20220320'
 	implementation 'androidx.collection:collection-ktx:1.2.0'
 

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

@@ -1,5 +1,8 @@
 package org.koitharu.kotatsu.parsers.site
 
+import androidx.collection.SparseArrayCompat
+import androidx.collection.set
+import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
 import org.jsoup.nodes.Element
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
@@ -33,6 +36,7 @@ internal class ExHentaiParser(
 	private val ratingPattern = Regex("-?[0-9]+px")
 	private val authCookies = arrayOf("ipb_member_id", "ipb_pass_hash")
 	private var updateDm = false
+	private val nextPages = SparseArrayCompat<Long>()
 
 	override val isAuthorized: Boolean
 		get() {
@@ -56,6 +60,7 @@ internal class ExHentaiParser(
 		context.cookieJar.insertCookies(DOMAIN_UNAUTHORIZED, "nw=1", "sl=dm_2")
 	}
 
+
 	override suspend fun getListPage(
 		page: Int,
 		query: String?,
@@ -66,8 +71,8 @@ internal class ExHentaiParser(
 		val url = buildString {
 			append("https://")
 			append(getDomain())
-			append("/?page=")
-			append(page)
+			append("/?next=")
+			append(nextPages.get(page, 0L))
 			if (!tags.isNullOrEmpty()) {
 				var fCats = 0
 				for (tag in tags) {
@@ -88,6 +93,7 @@ internal class ExHentaiParser(
 			if (updateDm) {
 				append("&inline_set=dm_e")
 			}
+			append("&advsearch=1&f_sh=on")
 		}
 		val body = context.httpGet(url).parseHtml().body()
 		val root = body.selectFirst("table.itg")
@@ -99,6 +105,7 @@ internal class ExHentaiParser(
 				return getListPage(page, query, tags, sortOrder)
 			}
 		updateDm = false
+		nextPages[page + 1] = getNextTimestamp(root)
 		return root.children().mapNotNull { tr ->
 			if (tr.childrenSize() != 2) return@mapNotNull null
 			val (td1, td2) = tr.children()
@@ -276,4 +283,12 @@ internal class ExHentaiParser(
 		val num = className.drop(2).toIntOrNull(16) ?: return null
 		return 2.0.pow(num).toInt().toString()
 	}
+
+	private fun getNextTimestamp(root: Element): Long {
+		return root.getElementById("unext")
+			?.attrAsAbsoluteUrlOrNull("href")
+			?.toHttpUrlOrNull()
+			?.queryParameter("next")
+			?.toLongOrNull() ?: 1
+	}
 }