[NepNep] Fixes

src/main/kotlin/org/koitharu/kotatsu/parsers/site/nepnep/NepnepParser.kt

@@ -25,7 +25,6 @@ internal abstract class NepnepParser(
 
 	override val sortOrders: Set<SortOrder> = EnumSet.of(SortOrder.ALPHABETICAL)
 
-
 	override val headers: Headers = Headers.Builder()
 		.add("User-Agent", UserAgents.CHROME_DESKTOP)
 		.build()
@@ -37,7 +36,9 @@ internal abstract class NepnepParser(
 		val doc = webClient.httpGet("https://$domain/search/").parseHtml()
 		val json = JSONArray(
 			doc.selectFirstOrThrow("script:containsData(MainFunction)").data()
-				.substringAfter("vm.Directory = ").substringBefore("vm.GetIntValue").trim()
+				.substringAfter("vm.Directory = ")
+				.substringBefore("vm.GetIntValue")
+				.trim()
 				.replace(';', ' '),
 		)
 
@@ -48,7 +49,8 @@ internal abstract class NepnepParser(
 			val m = json.getJSONObject(i)
 			val href = "/manga/" + m.getString("i")
 			val imgUrl = "https://temp.compsci88.com/cover/" + m.getString("i") + ".jpg"
-			if (!query.isNullOrEmpty()) {
+			when {
+				!query.isNullOrEmpty() -> {
 					if (m.getString("i").contains(query.urlEncoded(), ignoreCase = true)) {
 						manga.add(
 							Manga(
@@ -68,8 +70,9 @@ internal abstract class NepnepParser(
 						)
 					}
 
-			} else if (!tags.isNullOrEmpty()) {
+				}
 
+				!tags.isNullOrEmpty() -> {
 					val a = m.getJSONArray("g").toString()
 					var found = true
 					tags.forEach {
@@ -95,7 +98,9 @@ internal abstract class NepnepParser(
 							),
 						)
 					}
-			} else {
+				}
+
+				else -> {
 					manga.add(
 						Manga(
 							id = generateUid(href),
@@ -113,6 +118,7 @@ internal abstract class NepnepParser(
 						),
 					)
 				}
+			}
 
 
 		}
@@ -123,7 +129,8 @@ internal abstract class NepnepParser(
 	override suspend fun getTags(): Set<MangaTag> {
 		val doc = webClient.httpGet("https://$domain/search/").parseHtml()
 		val tags = doc.selectFirstOrThrow("script:containsData(vm.AvailableFilters)").data()
-			.substringAfter("\"Genre\" \t\t: [")
+			.substringAfter("\"Genre\"")
+			.substringAfter('[')
 			.substringBefore(']')
 			.replace("'", "")
 			.split(',')
@@ -143,7 +150,8 @@ internal abstract class NepnepParser(
 		val chapter = JSONArray(
 			JSONArray(
 				doc.selectFirstOrThrow("script:containsData(MainFunction)").data()
-					.substringAfter("vm.Chapters = ").substringBefore(';'),
+					.substringAfter("vm.Chapters = ")
+					.substringBefore(';'),
 			).toJSONList().reversed(),
 		)
 
@@ -243,18 +251,14 @@ internal abstract class NepnepParser(
 				.substringBefore(';'),
 		)
 		val pageTotal = curChapter.getString("Page")!!.toInt()
-		val host = "https://" +
+		val host = "https://" + script
-				script
 			.substringAfter("vm.CurPathName = \"", "")
 			.substringBefore('"')
-					.also {
+		check(host.isNotEmpty()) {
-						if (it.isEmpty()) {
+			"Manga4Life is overloaded and blocking Kotatsu right now. Wait for unblock."
-							throw Exception("Manga4Life is overloaded and blocking kotatsu right now. Wait for unblock.")
-						}
 		}
 		val titleURI = script.substringAfter("vm.IndexName = \"").substringBefore("\"")
-		val seasonURI = curChapter.getString("Directory")!!
+		val seasonURI = curChapter.getString("Directory")!!.let { if (it.isEmpty()) "" else "$it/" }
-			.let { if (it.isEmpty()) "" else "$it/" }
 		val path = "$host/manga/$titleURI/$seasonURI"
 		val chNum = chapterImage(curChapter.getString("Chapter")!!)