Some improvements for russian catalogs (#540)

* Implemented genre filter for Mangachan
* Fixed search for Mangachan
* Changed url with latest updates for Mangachan
* Updated genres for Readmanga
* Removed duplicate code for Readmanga

app/src/main/java/eu/kanade/tachiyomi/data/source/online/russian/Mangachan.kt

@@ -1,12 +1,13 @@
 package eu.kanade.tachiyomi.data.source.online.russian
 
-import android.content.Context
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.source.Language
 import eu.kanade.tachiyomi.data.source.RU
+import eu.kanade.tachiyomi.data.source.model.MangasPage
 import eu.kanade.tachiyomi.data.source.model.Page
 import eu.kanade.tachiyomi.data.source.online.ParsedOnlineSource
+import eu.kanade.tachiyomi.util.asJsoup
 import okhttp3.Response
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
@@ -25,13 +26,25 @@ class Mangachan(override val id: Int) : ParsedOnlineSource() {
 
     override fun popularMangaInitialUrl() = "$baseUrl/mostfavorites"
 
-    override fun latestUpdatesInitialUrl() = "$baseUrl/manga/new"
+    override fun latestUpdatesInitialUrl() = "$baseUrl/newestch"
 
-    override fun searchMangaInitialUrl(query: String, filters: List<Filter>) = "$baseUrl/?do=search&subaction=search&story=$query"
+    override fun searchMangaInitialUrl(query: String, filters: List<Filter>): String {
+        if (query.isNotEmpty()) {
+            return "$baseUrl/?do=search&subaction=search&story=$query"
+        } else if (filters.isNotEmpty()) {
+            var genres = ""
+            filters.forEach { genres = genres + it.name + '+' }
+            return "$baseUrl/tags/${genres.dropLast(1)}"
+        } else {
+            return "$baseUrl/?do=search&subaction=search&story=$query"
+        }
+    }
 
     override fun popularMangaSelector() = "div.content_row"
 
-    override fun latestUpdatesSelector() = "div.content_row"
+    override fun latestUpdatesSelector() = "ul.area_rightNews li"
+
+    override fun searchMangaSelector() = popularMangaSelector()
 
     override fun popularMangaFromElement(element: Element, manga: Manga) {
         element.select("h2 > a").first().let {
@@ -41,20 +54,48 @@ class Mangachan(override val id: Int) : ParsedOnlineSource() {
     }
 
     override fun latestUpdatesFromElement(element: Element, manga: Manga) {
-        popularMangaFromElement(element, manga)
+        element.select("a:nth-child(1)").first().let {
+            manga.setUrlWithoutDomain(it.attr("href"))
+            manga.title = it.text()
+        }
     }
-
-    override fun popularMangaNextPageSelector() = "a:contains(Вперед)"
-
-    override fun latestUpdatesNextPageSelector() = "a:contains(Вперед)"
-
-    override fun searchMangaSelector() = popularMangaSelector()
 
     override fun searchMangaFromElement(element: Element, manga: Manga) {
         popularMangaFromElement(element, manga)
     }
 
-    override fun searchMangaNextPageSelector() = popularMangaNextPageSelector()
+    override fun popularMangaNextPageSelector() = "a:contains(Вперед)"
+
+    override fun latestUpdatesNextPageSelector() = popularMangaNextPageSelector()
+
+    override fun searchMangaNextPageSelector() = "a:contains(Далее)"
+
+    private fun searchGenresNextPageSelector() = popularMangaNextPageSelector()
+
+    override fun searchMangaParse(response: Response, page: MangasPage, query: String, filters: List<Filter>) {
+        val document = response.asJsoup()
+        for (element in document.select(searchMangaSelector())) {
+            Manga.create(id).apply {
+                searchMangaFromElement(element, this)
+                page.mangas.add(this)
+            }
+        }
+
+        searchMangaNextPageSelector().let { selector ->
+            if (page.nextPageUrl.isNullOrEmpty() && filters.isEmpty()) {
+                val onClick = document.select(selector).first()?.attr("onclick")
+                val pageNum = onClick?.substring(23, onClick.indexOf("); return(false)"))
+                page.nextPageUrl = searchMangaInitialUrl(query, emptyList()) + "&search_start=" + pageNum
+            }
+        }
+
+        searchGenresNextPageSelector().let { selector ->
+            if (page.nextPageUrl.isNullOrEmpty() && filters.isNotEmpty()) {
+                val url = document.select(selector).first()?.attr("href")
+                page.nextPageUrl = searchMangaInitialUrl(query, filters) + url
+            }
+        }
+    }
 
     override fun mangaDetailsParse(document: Document, manga: Manga) {
         val infoElement = document.select("table.mangatitle").first()
@@ -95,13 +136,74 @@ class Mangachan(override val id: Int) : ParsedOnlineSource() {
         val trimmedHtml = html.substring(beginIndex, endIndex).replace("\"", "")
         val pageUrls = trimmedHtml.split(',')
 
-        for ((i, url) in pageUrls.withIndex()) {
+        pageUrls.mapIndexedTo(pages) { i, url -> Page(i, "", url) }
-            pages.add(Page(i, "", url))
-        }
     }
 
     override fun pageListParse(document: Document, pages: MutableList<Page>) { }
 
     override fun imageUrlParse(document: Document) = ""
 
+    /* [...document.querySelectorAll("li.sidetag > a:nth-child(1)")].map((el,i) =>
+    *  { const link=el.getAttribute('href');const id=link.substr(6,link.length);
+    *  return `Filter("${id}", "${id}")` }).join(',\n')
+    *  on http://mangachan.me/
+    */
+    override fun getFilterList(): List<Filter> = listOf(
+            Filter("18_плюс", "18_плюс"),
+            Filter("bdsm", "bdsm"),
+            Filter("арт", "арт"),
+            Filter("биография", "биография"),
+            Filter("боевик", "боевик"),
+            Filter("боевые_искусства", "боевые_искусства"),
+            Filter("вампиры", "вампиры"),
+            Filter("веб", "веб"),
+            Filter("гарем", "гарем"),
+            Filter("гендерная_интрига", "гендерная_интрига"),
+            Filter("героическое_фэнтези", "героическое_фэнтези"),
+            Filter("детектив", "детектив"),
+            Filter("дзёсэй", "дзёсэй"),
+            Filter("додзинси", "додзинси"),
+            Filter("драма", "драма"),
+            Filter("игра", "игра"),
+            Filter("инцест", "инцест"),
+            Filter("искусство", "искусство"),
+            Filter("история", "история"),
+            Filter("киберпанк", "киберпанк"),
+            Filter("кодомо", "кодомо"),
+            Filter("комедия", "комедия"),
+            Filter("литРПГ", "литРПГ"),
+            Filter("махо-сёдзё", "махо-сёдзё"),
+            Filter("меха", "меха"),
+            Filter("мистика", "мистика"),
+            Filter("музыка", "музыка"),
+            Filter("научная_фантастика", "научная_фантастика"),
+            Filter("повседневность", "повседневность"),
+            Filter("постапокалиптика", "постапокалиптика"),
+            Filter("приключения", "приключения"),
+            Filter("психология", "психология"),
+            Filter("романтика", "романтика"),
+            Filter("самурайский_боевик", "самурайский_боевик"),
+            Filter("сборник", "сборник"),
+            Filter("сверхъестественное", "сверхъестественное"),
+            Filter("сказка", "сказка"),
+            Filter("спорт", "спорт"),
+            Filter("супергерои", "супергерои"),
+            Filter("сэйнэн", "сэйнэн"),
+            Filter("сёдзё", "сёдзё"),
+            Filter("сёдзё-ай", "сёдзё-ай"),
+            Filter("сёнэн", "сёнэн"),
+            Filter("сёнэн-ай", "сёнэн-ай"),
+            Filter("тентакли", "тентакли"),
+            Filter("трагедия", "трагедия"),
+            Filter("триллер", "триллер"),
+            Filter("ужасы", "ужасы"),
+            Filter("фантастика", "фантастика"),
+            Filter("фурри", "фурри"),
+            Filter("фэнтези", "фэнтези"),
+            Filter("школа", "школа"),
+            Filter("эротика", "эротика"),
+            Filter("юри", "юри"),
+            Filter("яой", "яой"),
+            Filter("ёнкома", "ёнкома")
+    )
 }

app/src/main/java/eu/kanade/tachiyomi/data/source/online/russian/Mintmanga.kt

@@ -1,6 +1,5 @@
 package eu.kanade.tachiyomi.data.source.online.russian
 
-import android.content.Context
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.source.Language
@@ -163,5 +162,4 @@ class Mintmanga(override val id: Int) : ParsedOnlineSource() {
             Filter("el_1315", "юри"),
             Filter("el_1336", "яой")
     )
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/source/online/russian/Readmanga.kt

@@ -1,6 +1,5 @@
 package eu.kanade.tachiyomi.data.source.online.russian
 
-import android.content.Context
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.source.Language
@@ -53,10 +52,7 @@ class Readmanga(override val id: Int) : ParsedOnlineSource() {
     override fun searchMangaSelector() = popularMangaSelector()
 
     override fun searchMangaFromElement(element: Element, manga: Manga) {
-        element.select("h3 > a").first().let {
+        popularMangaFromElement(element, manga)
-            manga.setUrlWithoutDomain(it.attr("href"))
-            manga.title = it.attr("title")
-        }
     }
 
     // max 200 results
@@ -136,6 +132,7 @@ class Readmanga(override val id: Int) : ParsedOnlineSource() {
             Filter("el_2118", "драма"),
             Filter("el_2154", "игра"),
             Filter("el_2119", "история"),
+            Filter("el_8032", "киберпанк"),
             Filter("el_2137", "кодомо"),
             Filter("el_2136", "комедия"),
             Filter("el_2147", "махо-сёдзё"),
@@ -164,5 +161,4 @@ class Readmanga(override val id: Int) : ParsedOnlineSource() {
             Filter("el_2149", "этти"),
             Filter("el_2123", "юри")
     )
-
 }