Correct a bunch of lints from "en" to "ja" (#3075)

src/en/comicextra/src/eu/kanade/tachiyomi/extension/en/comicextra/ComicExtra.kt

@@ -130,20 +130,20 @@ class ComicExtra : ParsedHttpSource() {
     }
 
     private fun dateParse(dateAsString: String): Long {
-        var date: Date
+        val date: Date
-        try {
+        date = try {
-            date = SimpleDateFormat("MMM dd, yyyy", Locale.ENGLISH).parse(dateAsString.replace(Regex("(st|nd|rd|th)"), ""))
+            SimpleDateFormat("MMM dd, yyyy", Locale.ENGLISH).parse(dateAsString.replace(Regex("(st|nd|rd|th)"), ""))
         } catch (e: ParseException) {
             val m = datePattern.matcher(dateAsString)
 
             if (dateAsString != "Today" && m.matches()) {
                 val amount = m.group(1).toInt()
 
-                date = Calendar.getInstance().apply {
+                Calendar.getInstance().apply {
                     add(Calendar.DATE, -amount)
                 }.time
             } else if (dateAsString == "Today") {
-                date = Calendar.getInstance().time
+                Calendar.getInstance().time
             } else return 0
         }
 

src/en/dynasty/src/eu/kanade/tachiyomi/extension/en/dynasty/DynastyScans.kt

@@ -30,13 +30,13 @@ abstract class DynastyScans : ParsedHttpSource() {
 
     override val supportsLatest = false
 
-    var parent: List<Node> = ArrayList()
+    private var parent: List<Node> = ArrayList()
 
-    var list = InternalList(ArrayList(), "")
+    private var list = InternalList(ArrayList(), "")
 
-    var imgList = InternalList(ArrayList(), "")
+    private var imgList = InternalList(ArrayList(), "")
 
-    var _valid: Validate = Validate(false, -1)
+    private var _valid: Validate = Validate(false, -1)
 
     override fun popularMangaRequest(page: Int): Request {
         return GET(popularMangaInitialUrl(), headers)
@@ -72,7 +72,7 @@ abstract class DynastyScans : ParsedHttpSource() {
     private fun buildListfromResponse(): List<Node> {
         return client.newCall(Request.Builder().headers(headers)
             .url(popularMangaInitialUrl()).build()).execute().asJsoup()
-                .select("div#main").filter { it.hasText() }.first().childNodes()
+            .select("div#main").first { it.hasText() }.childNodes()
     }
 
     protected fun parseHeader(document: Document, manga: SManga): Boolean {
@@ -157,9 +157,9 @@ abstract class DynastyScans : ParsedHttpSource() {
         val pages = mutableListOf<Page>()
         try {
             val imageUrl = document.select("script").last().html().substringAfter("var pages = [").substringBefore("];")
-            var imageUrls = JSONArray("[$imageUrl]")
+            val imageUrls = JSONArray("[$imageUrl]")
 
-            (0..imageUrls.length() - 1)
+            (0 until imageUrls.length())
                     .map { imageUrls.getJSONObject(it) }
                     .map { baseUrl + it.get("image") }
                     .forEach { pages.add(Page(pages.size, "", it)) }
@@ -169,9 +169,9 @@ abstract class DynastyScans : ParsedHttpSource() {
         return pages
     }
 
-    class InternalList : ArrayList<String> {
+    class InternalList(nodes: List<Node>, type: String) : ArrayList<String>() {
 
-        constructor(nodes: List<Node>, type: String) {
+        init {
             if (type == "text") {
                 for (node in nodes) {
                     if (node is TextNode) {

src/en/guya/src/eu/kanade/tachiyomi/extension/en/guya/Guya.kt

@@ -30,7 +30,7 @@ import rx.Observable
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
-open class Guya() : ConfigurableSource, HttpSource() {
+open class Guya : ConfigurableSource, HttpSource() {
 
     override val name = "Guya"
     override val baseUrl = "https://guya.moe"
@@ -46,13 +46,13 @@ open class Guya() : ConfigurableSource, HttpSource() {
             Build.ID)
     }
 
-    private val Scanlators: ScanlatorStore = ScanlatorStore()
+    private val scanlators: ScanlatorStore = ScanlatorStore()
 
-    // Preferences confirguration
+    // Preferences configuration
     private val preferences: SharedPreferences by lazy {
         Injekt.get<Application>().getSharedPreferences("source_$id", 0x0000)
     }
-    private val SCANLATOR_PREFERENCE = "SCANLATOR_PREFERENCE"
+    private val scanlatorPreference = "SCANLATOR_PREFERENCE"
 
     // Request builder for the "browse" page of the manga
     override fun popularMangaRequest(page: Int): Request {
@@ -129,7 +129,7 @@ open class Guya() : ConfigurableSource, HttpSource() {
         val metadata = JSONObject()
 
         metadata.put("chapter", chapterNum)
-        metadata.put("scanlator", Scanlators.getKeyFromValue(chapter.scanlator.toString()))
+        metadata.put("scanlator", scanlators.getKeyFromValue(chapter.scanlator.toString()))
         metadata.put("slug", json.getString("slug"))
         metadata.put("folder", json.getJSONObject("chapters")
             .getJSONObject(chapterNum)
@@ -203,8 +203,8 @@ open class Guya() : ConfigurableSource, HttpSource() {
             title = "Preferred scanlator"
             entries = arrayOf<String>()
             entryValues = arrayOf<String>()
-            for (key in Scanlators.keys()) {
+            for (key in scanlators.keys()) {
-                entries += Scanlators.getValueFromKey(key)
+                entries += scanlators.getValueFromKey(key)
                 entryValues += key
             }
             summary = "Current: %s\n\n" +
@@ -216,7 +216,7 @@ open class Guya() : ConfigurableSource, HttpSource() {
 
             setOnPreferenceChangeListener { _, newValue ->
                 val selected = newValue.toString()
-                preferences.edit().putString(SCANLATOR_PREFERENCE, selected).commit()
+                preferences.edit().putString(scanlatorPreference, selected).commit()
             }
         }
 
@@ -229,8 +229,8 @@ open class Guya() : ConfigurableSource, HttpSource() {
             title = "Preferred scanlator"
             entries = arrayOf<String>()
             entryValues = arrayOf<String>()
-            for (key in Scanlators.keys()) {
+            for (key in scanlators.keys()) {
-                entries += Scanlators.getValueFromKey(key)
+                entries += scanlators.getValueFromKey(key)
                 entryValues += key
             }
             summary = "Current: %s\n\n" +
@@ -242,7 +242,7 @@ open class Guya() : ConfigurableSource, HttpSource() {
 
             setOnPreferenceChangeListener { _, newValue ->
                 val selected = newValue.toString()
-                preferences.edit().putString(SCANLATOR_PREFERENCE, selected).commit()
+                preferences.edit().putString(scanlatorPreference, selected).commit()
             }
         }
 
@@ -252,7 +252,7 @@ open class Guya() : ConfigurableSource, HttpSource() {
     // ------------- Helpers and whatnot ---------------
 
     private fun parseChapterList(payload: String): List<SChapter> {
-        val SORT_KEY = "preferred_sort"
+        val sortKey = "preferred_sort"
         val response = JSONObject(payload)
         val chapters = response.getJSONObject("chapters")
 
@@ -263,9 +263,9 @@ open class Guya() : ConfigurableSource, HttpSource() {
         while (iter.hasNext()) {
             val chapter = iter.next()
             val chapterObj = chapters.getJSONObject(chapter)
-            var preferredSort = response.getJSONArray(SORT_KEY)
+            var preferredSort = response.getJSONArray(sortKey)
-            if (chapterObj.has(SORT_KEY)) {
+            if (chapterObj.has(sortKey)) {
-                preferredSort = chapterObj.getJSONArray(SORT_KEY)
+                preferredSort = chapterObj.getJSONArray(sortKey)
             }
             chapterList.add(parseChapterFromJson(chapterObj, chapter, preferredSort, response.getString("slug")))
         }
@@ -306,7 +306,7 @@ open class Guya() : ConfigurableSource, HttpSource() {
 
         // Get the scanlator info based on group ranking; do it first since we need it later
         val firstGroupId = getBestScanlator(json.getJSONObject("groups"), sort)
-        chapter.scanlator = Scanlators.getValueFromKey(firstGroupId)
+        chapter.scanlator = scanlators.getValueFromKey(firstGroupId)
         chapter.date_upload = json.getJSONObject("release_date").getLong(firstGroupId) * 1000
         chapter.name = num + " - " + json.getString("title")
         chapter.chapter_number = num.toFloat()
@@ -331,7 +331,7 @@ open class Guya() : ConfigurableSource, HttpSource() {
     }
 
     private fun getBestScanlator(json: JSONObject, sort: JSONArray): String {
-        val preferred = preferences.getString(SCANLATOR_PREFERENCE, null)
+        val preferred = preferences.getString(scanlatorPreference, null)
 
         if (preferred != null && json.has(preferred)) {
             return preferred

src/en/hentai2read/src/eu/kanade/tachiyomi/extension/en/hentai2read/Hentai2Read.kt

@@ -35,7 +35,7 @@ class Hentai2Read : ParsedHttpSource() {
     override val client: OkHttpClient = network.cloudflareClient
 
     companion object {
-        val imageBaseUrl = "https://static.hentaicdn.com/hentai"
+        const val imageBaseUrl = "https://static.hentaicdn.com/hentai"
 
         val pagesUrlPattern by lazy {
             Pattern.compile("""'images' : \[\"(.*?)[,]?\"\]""")
@@ -1008,7 +1008,7 @@ class Hentai2Read : ParsedHttpSource() {
         Tag("Hatsukoi Limited", 969),
         Tag("Hayate no Gotoku", 1065),
         Tag("He is My Master", 1280),
-        Tag("Heartcatch​ Precure​!", 1791),
+        Tag("Heartcatch Precure!", 1791),
         Tag("Heartful Maman", 2531),
         Tag("Heavy Object", 2457),
         Tag("Hellsing", 2248),

src/en/hiveworks/src/eu/kanade/tachiyomi/extension/en/hiveworks/Hiveworks.kt

@@ -107,13 +107,17 @@ class Hiveworks : ParsedHttpSource() {
         val document = response.asJsoup()
 
         val selectManga = document.select(searchMangaSelector())
-        val mangas = if (url.endsWith("localSearch")) {
+        val mangas = when {
+            url.endsWith("localSearch") -> {
                 selectManga.filter { it.text().contains(searchQuery, true) }.map { element -> searchMangaFromElement(element) }
-        } else if (url.contains("originals")) {
+            }
+            url.contains("originals") -> {
                 selectManga.map { element -> searchOriginalMangaFromElement(element) }
-        } else {
+            }
+            else -> {
                 selectManga.map { element -> searchMangaFromElement(element) }
             }
+        }
 
         val hasNextPage = searchMangaNextPageSelector()?.let { selector ->
             document.select(selector).first()

src/en/mangaeden/src/eu/kanade/tachiyomi/extension/en/mangaeden/Mangaeden.kt

@@ -84,7 +84,7 @@ class Mangaeden : ParsedHttpSource() {
 
         author = infos.select("a[href^=/en/en-directory/?author]").first()?.text()
         artist = infos.select("a[href^=/en/en-directory/?artist]").first()?.text()
-        genre = infos.select("a[href^=/en/en-directory/?categoriesInc]").map { it.text() }.joinToString()
+        genre = infos.select("a[href^=/en/en-directory/?categoriesInc]").joinToString { it.text() }
         description = document.select("h2#mangaDescription").text()
         status = parseStatus(infos.select("h4:containsOwn(Status)").first()?.nextSibling().toString())
         val img = infos.select("div.mangaImage2 > img").first()?.attr("src")
@@ -108,14 +108,16 @@ class Mangaeden : ParsedHttpSource() {
     }
 
     private fun parseChapterDate(date: String): Long =
-            if ("Today" in date) {
+        when {
+            "Today" in date -> {
                 Calendar.getInstance().apply {
                     set(Calendar.HOUR_OF_DAY, 0)
                     set(Calendar.MINUTE, 0)
                     set(Calendar.SECOND, 0)
                     set(Calendar.MILLISECOND, 0)
                 }.timeInMillis
-            } else if ("Yesterday" in date) {
+            }
+            "Yesterday" in date -> {
                 Calendar.getInstance().apply {
                     add(Calendar.DATE, -1)
                     set(Calendar.HOUR_OF_DAY, 0)
@@ -123,11 +125,13 @@ class Mangaeden : ParsedHttpSource() {
                     set(Calendar.SECOND, 0)
                     set(Calendar.MILLISECOND, 0)
                 }.timeInMillis
-            } else try {
+            }
+            else -> try {
                 SimpleDateFormat("MMM d, yyyy", Locale.ENGLISH).parse(date).time
             } catch (e: ParseException) {
                 0L
             }
+        }
 
     override fun pageListParse(document: Document): List<Page> = mutableListOf<Page>().apply {
         document.select("option[value^=/en/en-manga/]").forEach {
@@ -141,7 +145,7 @@ class Mangaeden : ParsedHttpSource() {
     private class Genre(name: String, val id: String) : Filter.TriState(name)
     private class TextField(name: String, val key: String) : Filter.Text(name)
     private class OrderBy : Filter.Sort("Order by", arrayOf("Manga title", "Views", "Chapters", "Latest chapter"),
-            Filter.Sort.Selection(1, false))
+            Selection(1, false))
 
     private class StatusList(statuses: List<NamedId>) : Filter.Group<NamedId>("Stato", statuses)
     private class Types(types: List<NamedId>) : Filter.Group<NamedId>("Tipo", types)

src/en/mangafreak/src/eu/kanade/tachiyomi/extension/en/mangafreak/Mangafreak.kt

@@ -72,14 +72,14 @@ class Mangafreak : ParsedHttpSource() {
             uri.appendPath("Genre")
             when (filter) {
                 is GenreList -> {
-                    uri.appendPath(filter.state.map {
+                    uri.appendPath(filter.state.joinToString("") {
                         when (it.state) {
                             Filter.TriState.STATE_IGNORE -> "0"
                             Filter.TriState.STATE_INCLUDE -> "1"
                             Filter.TriState.STATE_EXCLUDE -> "2"
                             else -> "0"
                         }
-                    }.joinToString(""))
+                    })
                 }
             }
             uri.appendEncodedPath("Status/0/Type/0")

src/en/mangahere/src/eu/kanade/tachiyomi/extension/en/mangahere/Mangahere.kt

@@ -92,7 +92,7 @@ class Mangahere : ParsedHttpSource() {
                 is CompletionList -> url.addEncodedQueryParameter("st", it.state.toString())
                 is GenreList -> {
 
-                    val genreFilter = filters.find { it is GenreList } as GenreList?
+                    val genreFilter = filters.find { filter -> filter is GenreList } as GenreList?
                     val includeGenres = ArrayList<Int>()
                     val excludeGenres = ArrayList<Int>()
                     genreFilter?.state?.forEach { genre ->

src/en/mangajar/src/eu/kanade/tachiyomi/extension/en/mangajar/MangaJar.kt

@@ -64,9 +64,7 @@ class MangaJar : ParsedHttpSource() {
         description = document.select("div.manga-description.entry > div").text()
         thumbnail_url = document.select("div.row > div > img").attr("src")
         genre = document.select("div.post-info > span > a[href*=genre]").joinToString { it.text() }
-        status = document.select("span:has(b)").get(1).text().let {
+        status = parseStatus(document.select("span:has(b)")[1].text())
-            parseStatus(it)
-        }
     }
 
     private fun parseStatus(status: String) = when {

src/en/mangakatana/src/eu/kanade/tachiyomi/extension/en/mangakatana/MangaKatana.kt

@@ -2,18 +2,14 @@ package eu.kanade.tachiyomi.extension.en.mangakatana
 
 import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.source.model.FilterList
-import eu.kanade.tachiyomi.source.model.MangasPage
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.source.model.SChapter
 import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.source.online.ParsedHttpSource
-import eu.kanade.tachiyomi.util.asJsoup
-import java.text.SimpleDateFormat
-import java.util.Locale
-import okhttp3.OkHttpClient
-import okhttp3.Response
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
+import java.text.SimpleDateFormat
+import java.util.Locale
 
 class MangaKatana: ParsedHttpSource() {
     override val name = "MangaKatana"
@@ -57,9 +53,7 @@ class MangaKatana: ParsedHttpSource() {
     override fun mangaDetailsParse(document: Document) = SManga.create().apply {
         author = document.select(".author").text()
         description = document.select(".summary > p").text()
-        status = document.select(".value.status").let {
+        status = parseStatus(document.select(".value.status").text())
-            parseStatus(it.text())
-        }
         genre = document.select(".genres > a").joinToString { it.text() }
         thumbnail_url = document.select(".cover > img").attr("abs:data-src")
     }

src/en/mangalife/src/eu/kanade/tachiyomi/extension/en/mangalife/MangaLife.kt

@@ -259,11 +259,11 @@ class MangaLife : HttpSource() {
             .let { if (it.isEmpty()) "" else "$it/" }
         val path = "$host/manga/$titleURI/$seasonURI"
 
-        var chNum = chapterImage(curChapter["Chapter"].string)
+        val chNum = chapterImage(curChapter["Chapter"].string)
 
         return IntRange(1, pageTotal).mapIndexed { i, _ ->
-            var imageNum = (i + 1).toString().let { "000$it" }.let { it.substring(it.length - 3) }
+            val imageNum = (i + 1).toString().let { "000$it" }.let { it.substring(it.length - 3) }
-            Page(i, "", path + "$chNum-$imageNum.png")
+            Page(i, "", "$path$chNum-$imageNum.png")
         }
     }
 

src/en/mangamainac/src/eu/kanade/tachiyomi/extension/en/mangamainac/MangaMainac.kt

@@ -18,7 +18,7 @@ import rx.Observable
 class MangaMainac : ParsedHttpSource() {
 
     companion object {
-        val sourceList = listOf<Pair<String, String>>(
+        val sourceList = listOf(
             Pair("Boku No Hero Academia", "https://w15.readheroacademia.com"),
             Pair("One Punch Man", "https://w12.readonepunchman.net"),
             Pair("One Punch Man (webcomic)", "https://onewebcomic.net"),

src/en/mangasail/src/eu/kanade/tachiyomi/extension/en/mangasail/Mangasail.kt

@@ -31,7 +31,7 @@ class Mangasail : ParsedHttpSource() {
 
     override val client: OkHttpClient = network.cloudflareClient
 
-    /* Site loads some mannga info (manga cover, author name, status, etc.) client side through JQuery
+    /* Site loads some manga info (manga cover, author name, status, etc.) client side through JQuery
     need to add this header for when we request these data fragments
     Also necessary for latest updates request */
     override fun headersBuilder() = super.headersBuilder().add("X-Authcache", "1")!!
@@ -39,10 +39,10 @@ class Mangasail : ParsedHttpSource() {
     override fun popularMangaSelector() = "tbody tr"
 
     override fun popularMangaRequest(page: Int): Request {
-        if (page == 1) {
+        return if (page == 1) {
-            return GET("$baseUrl/directory/hot")
+            GET("$baseUrl/directory/hot")
         } else {
-            return GET("$baseUrl/directory/hot?page=" + (page - 1))
+            GET("$baseUrl/directory/hot?page=" + (page - 1))
         }
     }
 
@@ -78,10 +78,10 @@ class Mangasail : ParsedHttpSource() {
     override fun latestUpdatesNextPageSelector(): String = "There is no next page"
 
     override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
-        if (page == 1) {
+        return if (page == 1) {
-            return GET("$baseUrl/search/node/$query")
+            GET("$baseUrl/search/node/$query")
         } else {
-            return GET("$baseUrl/search/node/$query?page=" + (page - 1))
+            GET("$baseUrl/search/node/$query?page=" + (page - 1))
         }
     }
 

src/en/manmanga/src/eu/kanade/tachiyomi/extension/en/manmanga/ManManga.kt

@@ -73,7 +73,7 @@ class ManManga : ParsedHttpSource() {
             searchMangaFromElement(element)
         }
 
-        val hasNextPage = searchMangaNextPageSelector()?.let { selector ->
+        val hasNextPage = searchMangaNextPageSelector().let { selector ->
             document.select(selector).first()
         } != null
 
@@ -92,9 +92,9 @@ class ManManga : ParsedHttpSource() {
         val getThumbnailUrl = document.select(".bg-box .bg").attr("style")
 
         author = document.select(".author").text().replace("Author：", "").trim()
-        genre = document.select(".tags span").map {
+        genre = document.select(".tags span").joinToString(", ") {
             it.text().trim()
-        }.joinToString(", ")
+        }
         status = document.select(".type").text().replace("Status：", "").trim().let {
             parseStatus(it)
         }
@@ -125,12 +125,12 @@ class ManManga : ParsedHttpSource() {
         if (document.select("ul.img-list > li.unloaded > img").toString().isNotEmpty()) {
             document.select("ul.img-list > li.unloaded > img").forEach {
                 val imgUrl = it.attr("data-src")
-                pages.add(Page(pages.size, "", "$imgUrl"))
+                pages.add(Page(pages.size, "", imgUrl))
             }
         } else {
             document.select("ul.img-list > li.loaded > img").forEach {
                 val imgUrl = it.attr("data-src")
-                pages.add(Page(pages.size, "", "$imgUrl"))
+                pages.add(Page(pages.size, "", imgUrl))
             }
         }
         return pages

src/en/perveden/src/eu/kanade/tachiyomi/extension/en/perveden/Perveden.kt

@@ -85,7 +85,7 @@ class Perveden : ParsedHttpSource() {
 
         author = infos.select("a[href^=/en/en-directory/?author]").first()?.text()
         artist = infos.select("a[href^=/en/en-directory/?artist]").first()?.text()
-        genre = infos.select("a[href^=/en/en-directory/?categoriesInc]").map { it.text() }.joinToString()
+        genre = infos.select("a[href^=/en/en-directory/?categoriesInc]").joinToString { it.text() }
         description = document.select("h2#mangaDescription").text()
         status = parseStatus(infos.select("h4:containsOwn(Status)").first()?.nextSibling().toString())
         val img = infos.select("div.mangaImage2 > img").first()?.attr("src")
@@ -109,14 +109,16 @@ class Perveden : ParsedHttpSource() {
     }
 
     private fun parseChapterDate(date: String): Long =
-            if ("Today" in date) {
+        when {
+            "Today" in date -> {
                 Calendar.getInstance().apply {
                     set(Calendar.HOUR_OF_DAY, 0)
                     set(Calendar.MINUTE, 0)
                     set(Calendar.SECOND, 0)
                     set(Calendar.MILLISECOND, 0)
                 }.timeInMillis
-            } else if ("Yesterday" in date) {
+            }
+            "Yesterday" in date -> {
                 Calendar.getInstance().apply {
                     add(Calendar.DATE, -1)
                     set(Calendar.HOUR_OF_DAY, 0)
@@ -124,11 +126,13 @@ class Perveden : ParsedHttpSource() {
                     set(Calendar.SECOND, 0)
                     set(Calendar.MILLISECOND, 0)
                 }.timeInMillis
-            } else try {
+            }
+            else -> try {
                 SimpleDateFormat("MMM d, yyyy", Locale.ENGLISH).parse(date).time
             } catch (e: ParseException) {
                 0L
             }
+        }
 
     override fun pageListParse(document: Document): List<Page> = mutableListOf<Page>().apply {
         document.select("option[value^=/en/en-manga/]").forEach {
@@ -142,7 +146,7 @@ class Perveden : ParsedHttpSource() {
     private class TextField(name: String, val key: String) : Filter.Text(name)
     private class GenreField(name: String, val key: String) : Filter.Text(name)
     private class OrderBy : Filter.Sort("Order by", arrayOf("Manga title", "Views", "Chapters", "Latest chapter"),
-            Filter.Sort.Selection(1, false))
+            Selection(1, false))
 
     private class StatusList(statuses: List<NamedId>) : Filter.Group<NamedId>("Stato", statuses)
     private class Types(types: List<NamedId>) : Filter.Group<NamedId>("Tipo", types)

src/en/readmangatoday/src/eu/kanade/tachiyomi/extension/en/readmangatoday/Readmangatoday.kt

@@ -144,19 +144,26 @@ class Readmangatoday : ParsedHttpSource() {
             val timeAgo = Integer.parseInt(dateWords[0])
             val calendar = Calendar.getInstance()
 
-            if (dateWords[1].contains("Minute")) {
+            when {
+                dateWords[1].contains("Minute") -> {
                     calendar.add(Calendar.MINUTE, -timeAgo)
-            } else if (dateWords[1].contains("Hour")) {
+                }
+                dateWords[1].contains("Hour") -> {
                     calendar.add(Calendar.HOUR_OF_DAY, -timeAgo)
-            } else if (dateWords[1].contains("Day")) {
+                }
+                dateWords[1].contains("Day") -> {
                     calendar.add(Calendar.DAY_OF_YEAR, -timeAgo)
-            } else if (dateWords[1].contains("Week")) {
+                }
+                dateWords[1].contains("Week") -> {
                     calendar.add(Calendar.WEEK_OF_YEAR, -timeAgo)
-            } else if (dateWords[1].contains("Month")) {
+                }
+                dateWords[1].contains("Month") -> {
                     calendar.add(Calendar.MONTH, -timeAgo)
-            } else if (dateWords[1].contains("Year")) {
+                }
+                dateWords[1].contains("Year") -> {
                     calendar.add(Calendar.YEAR, -timeAgo)
                 }
+            }
 
             return calendar.timeInMillis
         }

src/en/renascans/src/eu/kanade/tachiyomi/extension/en/renascans/Renascans.kt

@@ -139,7 +139,7 @@ class Renascans : ParsedHttpSource() {
         val pages = mutableListOf<Page>()
 
         document.select("div.col-xs-12 img")?.forEach {
-            var page = it.attr("data-src")
+            val page = it.attr("data-src")
             if (page.isNotEmpty()) {
                 pages.add(Page(pages.size, "", page))
             }

src/en/webcomics/src/eu/kanade/tachiyomi/extension/en/webcomics/Webcomics.kt

@@ -122,8 +122,8 @@ class Webcomics : ParsedHttpSource() {
 
         /* Source only allows 20 chapters to be readable on their website, trying to read past
            that results in a page list empty error; so might as well not grab them. */
-        if (document.select("${chapterListSelector()}:nth-child(21)").isEmpty()) {
+        return if (document.select("${chapterListSelector()}:nth-child(21)").isEmpty()) {
-            return document.select(chapterListSelector()).asReversed().map { chapterFromElement(it) }
+            document.select(chapterListSelector()).asReversed().map { chapterFromElement(it) }
         } else {
             val chapters = mutableListOf<SChapter>()
             for (i in 1..20)
@@ -133,7 +133,7 @@ class Webcomics : ParsedHttpSource() {
             lockedNotification.name = "[Attention] Additional chapters are restricted by the source to their own app"
             lockedNotification.url = "wiki.html"
             chapters.add(lockedNotification)
-            return chapters.reversed()
+            chapters.reversed()
         }
     }
 

src/es/heavenmanga/src/eu/kanade/tachiyomi/extension/es/heavenmanga/HeavenManga.kt

@@ -1,7 +1,6 @@
 package eu.kanade.tachiyomi.extension.es.heavenmanga
 
 import eu.kanade.tachiyomi.network.GET
-import eu.kanade.tachiyomi.network.asObservableSuccess
 import eu.kanade.tachiyomi.source.model.Filter
 import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.model.MangasPage
@@ -10,16 +9,12 @@ import eu.kanade.tachiyomi.source.model.SChapter
 import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.source.online.ParsedHttpSource
 import eu.kanade.tachiyomi.util.asJsoup
-import java.text.SimpleDateFormat
-import java.util.Locale
 import okhttp3.Headers
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
-import org.jsoup.select.Elements
-import rx.Observable
 
 class HeavenManga : ParsedHttpSource() {
 
@@ -29,7 +24,7 @@ class HeavenManga : ParsedHttpSource() {
 
     override val lang = "es"
 
-    // latest is broken on the site, it's the same as populaar so turning it off
+    // latest is broken on the site, it's the same as popular so turning it off
     override val supportsLatest = false
 
     override val client: OkHttpClient = network.cloudflareClient

src/es/ikuhentai/src/eu/kanade/tachiyomi/extension/es/ikuhentai/Ikuhentai.kt

@@ -56,7 +56,7 @@ class Ikuhentai : ParsedHttpSource() {
         url.addQueryParameter("post_type", "wp-manga")
         val pattern = "\\s+".toRegex()
         val q = query.replace(pattern, "+")
-        if (query.length > 0) {
+        if (query.isNotEmpty()) {
             url.addQueryParameter("s", q)
         } else {
             url.addQueryParameter("s", "")
@@ -166,7 +166,7 @@ class Ikuhentai : ParsedHttpSource() {
         document.select("div.reading-content * img").forEach { element ->
             val url = element.attr("data-src")
             i++
-            if (url.length != 0) {
+            if (url.isNotEmpty()) {
                 pages.add(Page(i, "", url))
             }
         }

src/es/vcpvmp/src/eu/kanade/tachiyomi/extension/es/vcpvmp/VCPVMPFactory.kt

@@ -366,7 +366,7 @@ class VMP : VCPVMP("VMP", "https://vermangasporno.com") {
     ))
 }
 
-open class UriPartFilter(displayName: String, val vals: Array<Pair<String, String>>) :
+open class UriPartFilter(displayName: String, private val vals: Array<Pair<String, String>>) :
     Filter.Select<String>(displayName, vals.map { it.first }.toTypedArray()) {
     fun toUriPart() = vals[state].second
 }

src/fr/japscan/src/eu/kanade/tachiyomi/extension/fr/japscan/Japscan.kt

@@ -285,7 +285,7 @@ class Japscan : ParsedHttpSource() {
         val ks = "0123456789abcdefghijklmnopqrstuvwxyz".toCharArray()
 
         for (i in 0 until realPageUrls.count())
-            for (j in 0 until realPageUrls[i].length) {
+            for (j in realPageUrls[i].indices) {
                 if (realPageUrls[i][j] != pageUrls[i][j]) {
                     ks[az.indexOf(pageUrls[i][j])] = realPageUrls[i][j]
                 }

src/id/bacakomik/src/eu/kanade/tachiyomi/extension/id/bacakomik/Bacakomik.kt

@@ -139,7 +139,7 @@ override fun mangaDetailsParse(document: Document): SManga {
         document.select("div#chimg img").forEach { element ->
             val url = element.attr("src")
             i++
-            if (url.length != 0) {
+            if (url.isNotEmpty()) {
                 pages.add(Page(i, "", url))
             }
         }

src/id/kiryuu/src/eu/kanade/tachiyomi/extension/id/kiryuu/Kiryuu.kt

@@ -143,7 +143,7 @@ class Kiryuu : ParsedHttpSource() {
         document.select("div#readerarea img").forEach { element ->
             val url = element.attr("src")
             i++
-            if (url.length != 0) {
+            if (url.isNotEmpty()) {
                 pages.add(Page(i, "", url))
             }
         }

src/id/komikcast/src/eu/kanade/tachiyomi/extension/id/komikcast/Komikcast.kt

@@ -194,7 +194,7 @@ class Komikcast : ParsedHttpSource() {
         document.select("div#readerarea img").forEach { element ->
             val url = element.attr("src")
             i++
-            if (url.length > 0) {
+            if (url.isNotEmpty()) {
                 pages.add(Page(i, "", url))
             }
         }
@@ -204,7 +204,7 @@ class Komikcast : ParsedHttpSource() {
     override fun imageUrlParse(document: Document) = ""
 
     override fun imageRequest(page: Page): Request {
-        var headers = Headers.Builder()
+        val headers = Headers.Builder()
         headers.apply {
             add("Referer", baseUrl)
             add("User-Agent", "Mozilla/5.0 (Linux; U; Android 4.4.2; en-us; LGMS323 Build/KOT49I.MS32310c) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/76.0.3809.100 Mobile Safari/537.36")

src/id/komikindo/src/eu/kanade/tachiyomi/extension/id/komikindo/KomikIndo.kt

@@ -26,7 +26,7 @@ class KomikIndo : ParsedHttpSource() {
     override val client: OkHttpClient = network.cloudflareClient
 
     override fun popularMangaRequest(page: Int): Request {
-        val url = if (page == 1) "$baseUrl" else "$baseUrl/page/$page"
+        val url = if (page == 1) baseUrl else "$baseUrl/page/$page"
         return GET(url, headers)
     }
 
@@ -37,7 +37,7 @@ class KomikIndo : ParsedHttpSource() {
 
     override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
         var builtUrl = if (page == 1) "$baseUrl/manga/" else "$baseUrl/manga/page/$page/"
-        if (!query.equals("")) {
+        if (query != "") {
             builtUrl = if (page == 1) "$baseUrl/search/$query/" else "$baseUrl/search/$query/page/$page/"
         } else if (filters.size > 0) {
             filters.forEach { filter ->
@@ -151,7 +151,7 @@ class KomikIndo : ParsedHttpSource() {
         document.select("div#readerarea img").forEach { element ->
             val url = element.attr("src")
             i++
-            if (url.length != 0) {
+            if (url.isNotEmpty()) {
                 pages.add(Page(i, "", url))
             }
         }

src/id/komiku/src/eu/kanade/tachiyomi/extension/id/komiku/Komiku.kt

@@ -53,9 +53,7 @@ class Komiku : ParsedHttpSource() {
     override fun mangaDetailsParse(document: Document) = SManga.create().apply {
         description = document.select("#Sinopsis > p").text().trim()
         genre = document.select("li[itemprop=genre] > a").joinToString { it.text() }
-        status = document.select("table.inftable > tr > td").get(11).text().let {
+        status = parseStatus(document.select("table.inftable > tr > td")[11].text())
-            parseStatus(it)
-        }
         thumbnail_url = document.select("div.ims > img").attr("src")
     }
 

src/id/mangakita/src/eu/kanade/tachiyomi/extension/id/mangakita/MangaKita.kt

@@ -58,11 +58,9 @@ class MangaKita : ParsedHttpSource() {
     override fun searchMangaNextPageSelector() = latestUpdatesNextPageSelector()
 
     override fun mangaDetailsParse(document: Document) = SManga.create().apply {
-        author = document.select("div.row > div").get(5).ownText().trim()
+        author = document.select("div.row > div")[5].ownText().trim()
         genre = document.select("[rel=tag]").joinToString { it.text() }
-        status = document.select("div.row > div").get(10).ownText().let {
+        status = parseStatus(document.select("div.row > div")[10].ownText())
-            parseStatus(it)
-        }
         thumbnail_url = document.select("div#wrap img").attr("src")
     }
 

src/id/mangaku/src/eu/kanade/tachiyomi/extension/id/mangaku/Mangaku.kt

@@ -20,7 +20,7 @@ class Mangaku : ParsedHttpSource() {
     override val baseUrl = "https://mangaku.in/"
     override val lang = "id"
     override val supportsLatest = true
-    var searchQuery = ""
+    private var searchQuery = ""
 
     override fun popularMangaRequest(page: Int): Request {
         return GET(baseUrl + "daftar-komik-bahasa-indonesia/", headers)
@@ -142,7 +142,7 @@ class Mangaku : ParsedHttpSource() {
             mainUrl = "https://mangaku.co"
         }
         if (imageUrl.startsWith("//")) {
-            imageUrl = "https:" + imageUrl
+            imageUrl = "https:$imageUrl"
         } else if (imageUrl.startsWith("/")) {
             imageUrl = mainUrl + imageUrl
         }

src/id/mangashiro/src/eu/kanade/tachiyomi/extension/id/mangashiro/Mangashiro.kt

@@ -141,7 +141,7 @@ class Mangashiro : ParsedHttpSource() {
         document.select("div#readerarea img").forEach { element ->
             val url = element.attr("src")
             i++
-            if (url.length != 0) {
+            if (url.isNotEmpty()) {
                 pages.add(Page(i, "", url))
             }
         }

src/id/manhuaid/src/eu/kanade/tachiyomi/extension/id/manhuaid/ManhuaID.kt

@@ -53,7 +53,7 @@ class ManhuaID : ParsedHttpSource() {
     override fun mangaDetailsRequest(manga: SManga) = GET(baseUrl + manga.url, headers)
 
     override fun mangaDetailsParse(document: Document) = SManga.create().apply {
-        author = document.select("table").first().select("td").get(3).text()
+        author = document.select("table").first().select("td")[3].text()
         title = document.select("title").text()
         description = document.select(".text-justify").text()
         genre = document.select("span.badge.badge-success.mr-1.mb-1").joinToString { it.text() }

src/id/neumanga/src/eu/kanade/tachiyomi/extension/id/neumanga/Neumanga.kt

@@ -127,7 +127,7 @@ class Neumanga : ParsedHttpSource() {
         val manga = SManga.create()
         manga.author = mangaInformationWrapper.select("span a[href*=author_search_mode]").first().text()
         manga.artist = mangaInformationWrapper.select("span a[href*=artist_search_mode]").first().text()
-        manga.genre = mangaInformationWrapper.select("a[href*=genre]").map { it.text() }.joinToString()
+        manga.genre = mangaInformationWrapper.select("a[href*=genre]").joinToString { it.text() }
         manga.thumbnail_url = mangaInformationWrapper.select("img.imagemg").first().attr("src")
         manga.description = document.select(".summary").first().textNodes()[1].toString()
         manga.status = parseStatus(mangaInformationWrapper.select("span a[href*=manga_status]").first().text())

src/id/ngomik/src/eu/kanade/tachiyomi/extension/id/ngomik/Ngomik.kt

@@ -52,12 +52,10 @@ class Ngomik : ParsedHttpSource() {
 
     override fun mangaDetailsParse(document: Document) = SManga.create().apply {
         title = document.select("h1[itemprop=headline]").text()
-        author = document.select("div.listinfo li").get(2).text().removePrefix("Author: ")
+        author = document.select("div.listinfo li")[2].text().removePrefix("Author: ")
         description = document.select(".desc").text()
         genre = document.select("div.gnr > a").joinToString { it.text() }
-        status = document.select("div.listinfo li").get(3).text().let {
+        status = parseStatus(document.select("div.listinfo li")[3].text())
-            parseStatus(it)
-        }
         thumbnail_url = document.select("div[itemprop=image] > img").attr("src")
     }
 

src/it/hentaifantasy/src/eu/kanade/tachiyomi/extension/it/hentaifantasy/HentaiFantasy.kt

@@ -68,8 +68,8 @@ class HentaiFantasy : ParsedHttpSource() {
     override fun searchMangaSelector() = popularMangaSelector()
 
     override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
-        var tags = mutableListOf<String>()
+        val tags = mutableListOf<String>()
-        var paths = mutableListOf<String>()
+        val paths = mutableListOf<String>()
         for (filter in if (filters.isEmpty()) getFilterList() else filters) {
             when (filter) {
                 is TagList -> filter.state
@@ -82,7 +82,7 @@ class HentaiFantasy : ParsedHttpSource() {
             }
         }
 
-        var searchTags = tags.size > 0
+        val searchTags = tags.size > 0
         if (!searchTags && query.length < 3) {
             throw Exception("Inserisci almeno tre caratteri")
         }
@@ -97,7 +97,7 @@ class HentaiFantasy : ParsedHttpSource() {
             }
         }
 
-        var searchPath = if (!searchTags) {
+        val searchPath = if (!searchTags) {
             "search"
         } else if (paths.size == 1) {
             "tag/${paths[0]}/$page"
@@ -116,7 +116,7 @@ class HentaiFantasy : ParsedHttpSource() {
 
     override fun mangaDetailsParse(document: Document): SManga {
         val manga = SManga.create()
-        var genres = mutableListOf<String>()
+        val genres = mutableListOf<String>()
         document.select("div#tablelist > div.row").forEach { row ->
             when (row.select("div.cell > b").first().text().trim()) {
                 "Autore" -> manga.author = row.select("div.cell > a").text().trim()
@@ -149,13 +149,16 @@ class HentaiFantasy : ParsedHttpSource() {
     }
 
     private fun parseChapterDate(date: String): Long {
-        return if (date == "Oggi") {
+        return when (date) {
+            "Oggi" -> {
                 Calendar.getInstance().timeInMillis
-        } else if (date == "Ieri") {
+            }
+            "Ieri" -> {
                 Calendar.getInstance().apply {
                     add(Calendar.DAY_OF_YEAR, -1)
                 }.timeInMillis
-        } else {
+            }
+            else -> {
                 try {
                     dateFormat.parse(date).time
                 } catch (e: ParseException) {
@@ -163,6 +166,7 @@ class HentaiFantasy : ParsedHttpSource() {
                 }
             }
         }
+    }
 
     override fun pageListRequest(chapter: SChapter) = POST(baseUrl + chapter.url, headers)
 

src/it/mangaeden/src/eu/kanade/tachiyomi/extension/it/mangaeden/Mangaeden.kt

@@ -84,7 +84,7 @@ class Mangaeden : ParsedHttpSource() {
 
         author = infos.select("a[href^=/it/it-directory/?author]").first()?.text()
         artist = infos.select("a[href^=/it/it-directory/?artist]").first()?.text()
-        genre = infos.select("a[href^=/it/it-directory/?categoriesInc]").map { it.text() }.joinToString()
+        genre = infos.select("a[href^=/it/it-directory/?categoriesInc]").joinToString { it.text() }
         description = document.select("h2#mangaDescription").text()
         status = parseStatus(infos.select("h4:containsOwn(Stato)").first()?.nextSibling().toString())
         val img = infos.select("div.mangaImage2 > img").first()?.attr("src")
@@ -108,14 +108,16 @@ class Mangaeden : ParsedHttpSource() {
     }
 
     private fun parseChapterDate(date: String): Long =
-            if ("Oggi" in date) {
+        when {
+            "Oggi" in date -> {
                 Calendar.getInstance().apply {
                     set(Calendar.HOUR_OF_DAY, 0)
                     set(Calendar.MINUTE, 0)
                     set(Calendar.SECOND, 0)
                     set(Calendar.MILLISECOND, 0)
                 }.timeInMillis
-            } else if ("Ieri" in date) {
+            }
+            "Ieri" in date -> {
                 Calendar.getInstance().apply {
                     add(Calendar.DATE, -1)
                     set(Calendar.HOUR_OF_DAY, 0)
@@ -123,11 +125,13 @@ class Mangaeden : ParsedHttpSource() {
                     set(Calendar.SECOND, 0)
                     set(Calendar.MILLISECOND, 0)
                 }.timeInMillis
-            } else try {
+            }
+            else -> try {
                 SimpleDateFormat("d MMM yyyy", Locale.ITALIAN).parse(date).time
             } catch (e: ParseException) {
                 0L
             }
+        }
 
     override fun pageListParse(document: Document): List<Page> = mutableListOf<Page>().apply {
         document.select("option[value^=/it/it-manga/]").forEach {
@@ -141,7 +145,7 @@ class Mangaeden : ParsedHttpSource() {
     private class Genre(name: String, val id: String) : Filter.TriState(name)
     private class TextField(name: String, val key: String) : Filter.Text(name)
     private class OrderBy : Filter.Sort("Ordina per", arrayOf("Titolo manga", "Visite", "Capitoli", "Ultimo capitolo"),
-            Filter.Sort.Selection(1, false))
+            Selection(1, false))
 
     private class StatusList(statuses: List<NamedId>) : Filter.Group<NamedId>("Stato", statuses)
     private class Types(types: List<NamedId>) : Filter.Group<NamedId>("Tipo", types)

src/it/perveden/src/eu/kanade/tachiyomi/extension/it/perveden/Perveden.kt

@@ -85,7 +85,7 @@ class Perveden : ParsedHttpSource() {
 
         author = infos.select("a[href^=/it/it-directory/?author]").first()?.text()
         artist = infos.select("a[href^=/it/it-directory/?artist]").first()?.text()
-        genre = infos.select("a[href^=/it/it-directory/?categoriesInc]").map { it.text() }.joinToString()
+        genre = infos.select("a[href^=/it/it-directory/?categoriesInc]").joinToString { it.text() }
         description = document.select("h2#mangaDescription").text()
         status = parseStatus(infos.select("h4:containsOwn(Stato)").first()?.nextSibling().toString())
         val img = infos.select("div.mangaImage2 > img").first()?.attr("src")
@@ -109,14 +109,16 @@ class Perveden : ParsedHttpSource() {
     }
 
     private fun parseChapterDate(date: String): Long =
-            if ("Oggi" in date) {
+        when {
+            "Oggi" in date -> {
                 Calendar.getInstance().apply {
                     set(Calendar.HOUR_OF_DAY, 0)
                     set(Calendar.MINUTE, 0)
                     set(Calendar.SECOND, 0)
                     set(Calendar.MILLISECOND, 0)
                 }.timeInMillis
-            } else if ("Ieri" in date) {
+            }
+            "Ieri" in date -> {
                 Calendar.getInstance().apply {
                     add(Calendar.DATE, -1)
                     set(Calendar.HOUR_OF_DAY, 0)
@@ -124,11 +126,13 @@ class Perveden : ParsedHttpSource() {
                     set(Calendar.SECOND, 0)
                     set(Calendar.MILLISECOND, 0)
                 }.timeInMillis
-            } else try {
+            }
+            else -> try {
                 SimpleDateFormat("d MMM yyyy", Locale.ITALIAN).parse(date).time
             } catch (e: ParseException) {
                 0L
             }
+        }
 
     override fun pageListParse(document: Document): List<Page> = mutableListOf<Page>().apply {
         document.select("option[value^=/it/it-manga/]").forEach {
@@ -142,7 +146,7 @@ class Perveden : ParsedHttpSource() {
     private class TextField(name: String, val key: String) : Filter.Text(name)
     private class GenreField(name: String, val key: String) : Filter.Text(name)
     private class OrderBy : Filter.Sort("Ordina per", arrayOf("Titolo manga", "Visite", "Capitoli", "Ultimo capitolo"),
-            Filter.Sort.Selection(1, false))
+            Selection(1, false))
 
     private class StatusList(statuses: List<NamedId>) : Filter.Group<NamedId>("Stato", statuses)
     private class Types(types: List<NamedId>) : Filter.Group<NamedId>("Tipo", types)

src/ja/rawdevart/src/eu/kanade/tachiyomi/extension/ja/rawdevart/Rawdevart.kt

@@ -218,7 +218,7 @@ class Rawdevart : ParsedHttpSource() {
     }
 
     override fun pageListParse(document: Document): List<Page> {
-        var pages = mutableListOf<Page>()
+        val pages = mutableListOf<Page>()
         document.select("img.not-lazy[data-src]").forEachIndexed { i, img ->
             pages.add(Page(i, "", img.attr("data-src")))
         }