Add Newgrounds.com (#877)

* new source: NewGrounds

* add icons

* add search and search filters

* display toast when Adult Content was filtered (login required)

* better sorting filter; let user adjust description

* if playlist available treat as series

* make sure anime is part of series (not playlist or collection)

* remove hi_res image

* remove unnecessary comment

* add NSFW flag

* simplify episode url extraction

* adjust stats summary in description

* use baseUrl in Referer header

* eliminate the need for restart after changing preferences

src/all/newgrounds/build.gradle

@@ -0,0 +1,8 @@
+ext {
+    extName = 'Newgrounds'
+    extClass = '.NewGrounds'
+    extVersionCode = 1
+    isNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"

src/all/newgrounds/src/eu/kanade/tachiyomi/animeextension/all/newgrounds/DateUtils.kt

@@ -0,0 +1,13 @@
+import java.text.ParseException
+import java.text.SimpleDateFormat
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun SimpleDateFormat.tryParse(date: String?): Long {
+    date ?: return 0L
+
+    return try {
+        parse(date)?.time ?: 0L
+    } catch (_: ParseException) {
+        0L
+    }
+}

src/all/newgrounds/src/eu/kanade/tachiyomi/animeextension/all/newgrounds/NewGrounds.kt

@@ -0,0 +1,545 @@
+package eu.kanade.tachiyomi.animeextension.all.newgrounds
+
+import android.app.Application
+import android.os.Handler
+import android.os.Looper
+import android.widget.Toast
+import androidx.preference.CheckBoxPreference
+import androidx.preference.ListPreference
+import androidx.preference.MultiSelectListPreference
+import androidx.preference.PreferenceScreen
+import eu.kanade.tachiyomi.animesource.ConfigurableAnimeSource
+import eu.kanade.tachiyomi.animesource.model.AnimeFilter
+import eu.kanade.tachiyomi.animesource.model.AnimeFilterList
+import eu.kanade.tachiyomi.animesource.model.AnimesPage
+import eu.kanade.tachiyomi.animesource.model.SAnime
+import eu.kanade.tachiyomi.animesource.model.SEpisode
+import eu.kanade.tachiyomi.animesource.model.Video
+import eu.kanade.tachiyomi.animesource.online.ParsedAnimeHttpSource
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.util.asJsoup
+import okhttp3.FormBody
+import okhttp3.Headers
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.Request
+import okhttp3.Response
+import org.json.JSONObject
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+import tryParse
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+import java.text.SimpleDateFormat
+import java.util.Locale
+
+private const val PAGE_SIZE = 20
+
+class NewGrounds : ParsedAnimeHttpSource(), ConfigurableAnimeSource {
+
+    override val lang = "all"
+    override val baseUrl = "https://www.newgrounds.com"
+    override val name = "Newgrounds"
+    override val supportsLatest = true
+
+    private val dateFormat = SimpleDateFormat("MMM dd, yyyy", Locale.ENGLISH)
+
+    private val preferences by lazy {
+        Injekt.get<Application>().getSharedPreferences("source_$id", 0x0000)
+    }
+
+    private val context = Injekt.get<Application>()
+    private val handler by lazy { Handler(Looper.getMainLooper()) }
+
+    private val videoListHeaders by lazy {
+        headers.newBuilder()
+            .add("Accept", "application/json, text/javascript, */*; q=0.01")
+            .add("X-Requested-With", "XMLHttpRequest")
+            .add("Referer", baseUrl)
+            .build()
+    }
+
+    // Latest
+
+    private fun getLatestSection(): String {
+        return preferences.getString("LATEST", PREF_SECTIONS["Latest"])!!
+    }
+
+    override fun latestUpdatesRequest(page: Int): Request {
+        val offset = (page - 1) * PAGE_SIZE
+        return GET("$baseUrl/${getLatestSection()}?offset=$offset", headers)
+    }
+
+    override fun latestUpdatesNextPageSelector(): String = "#load-more-items a"
+
+    override fun latestUpdatesParse(response: Response): AnimesPage {
+        checkAdultContentFiltered(response.headers)
+        return super.latestUpdatesParse(response)
+    }
+
+    override fun latestUpdatesSelector(): String = animeSelector(getLatestSection())
+
+    override fun latestUpdatesFromElement(element: Element): SAnime {
+        return animeFromElement(element, getLatestSection())
+    }
+
+    // Browse
+
+    private fun getPopularSection(): String {
+        return preferences.getString("POPULAR", PREF_SECTIONS["Popular"])!!
+    }
+
+    override fun popularAnimeRequest(page: Int): Request {
+        val offset = (page - 1) * PAGE_SIZE
+        return GET("$baseUrl/${getPopularSection()}?offset=$offset", headers)
+    }
+
+    override fun popularAnimeNextPageSelector(): String = "#load-more-items a"
+
+    override fun popularAnimeParse(response: Response): AnimesPage {
+        checkAdultContentFiltered(response.headers)
+        return super.popularAnimeParse(response)
+    }
+
+    override fun popularAnimeSelector(): String = animeSelector(getPopularSection())
+
+    override fun popularAnimeFromElement(element: Element): SAnime {
+        return animeFromElement(element, getPopularSection())
+    }
+
+    // Search
+
+    override fun searchAnimeRequest(page: Int, query: String, filters: AnimeFilterList): Request {
+        val searchUrl = "$baseUrl/search/conduct/movies".toHttpUrl().newBuilder()
+            .addQueryParameter("page", page.toString())
+
+        if (query.isNotEmpty()) searchUrl.addQueryParameter("terms", query)
+
+        filters.findInstance<MatchAgainstFilter>().ifFilterSet {
+            searchUrl.addQueryParameter("match", MATCH_AGAINST.values.elementAt(it.state))
+        }
+        filters.findInstance<TuningFilterGroup>()?.state
+            ?.findInstance<TuningExactFilter>().ifFilterSet {
+                searchUrl.addQueryParameter("exact", "1")
+            }
+        filters.findInstance<TuningFilterGroup>()?.state
+            ?.findInstance<TuningAnyFilter>().ifFilterSet {
+                searchUrl.addQueryParameter("any", "1")
+            }
+        filters.findInstance<AuthorFilter>().ifFilterSet {
+            searchUrl.addQueryParameter("user", it.state)
+        }
+        filters.findInstance<GenreFilter>().ifFilterSet {
+            searchUrl.addQueryParameter("genre", GENRE.values.elementAt(it.state))
+        }
+        filters.findInstance<LengthFilterGroup>()?.state
+            ?.findInstance<MinLengthFilter>().ifFilterSet {
+                searchUrl.addQueryParameter("min_length", it.state)
+            }
+        filters.findInstance<LengthFilterGroup>()?.state
+            ?.findInstance<MaxLengthFilter>().ifFilterSet {
+                searchUrl.addQueryParameter("max_length", it.state)
+            }
+        filters.findInstance<FrontpagedFilter>().ifFilterSet {
+            searchUrl.addQueryParameter("frontpaged", "1")
+        }
+        filters.findInstance<DateFilterGroup>()?.state
+            ?.findInstance<AfterDateFilter>().ifFilterSet {
+                searchUrl.addQueryParameter("after", it.state)
+            }
+        filters.findInstance<DateFilterGroup>()?.state
+            ?.findInstance<BeforeDateFilter>().ifFilterSet {
+                searchUrl.addQueryParameter("before", it.state)
+            }
+        filters.findInstance<SortingFilter>().ifFilterSet {
+            if (it.state?.index != 0) {
+                val sortOption = SORTING.values.elementAt(it.state?.index ?: return@ifFilterSet)
+                val direction = if (it.state?.ascending == true) "asc" else "desc"
+                searchUrl.addQueryParameter(
+                    "sort",
+                    "$sortOption-$direction",
+                )
+            }
+        }
+        filters.findInstance<TagsFilter>().ifFilterSet {
+            searchUrl.addQueryParameter("tags", it.state)
+        }
+
+        return GET(searchUrl.build(), headers)
+    }
+
+    override fun searchAnimeNextPageSelector(): String = "#results-load-more"
+
+    override fun searchAnimeParse(response: Response): AnimesPage {
+        checkAdultContentFiltered(response.headers)
+        return super.searchAnimeParse(response)
+    }
+
+    override fun searchAnimeSelector(): String = "ul.itemlist li:not(#results-load-more) a"
+
+    override fun searchAnimeFromElement(element: Element): SAnime = animeFromListElement(element)
+
+    // Etc.
+
+    override fun animeDetailsParse(document: Document): SAnime {
+        fun getStarRating(): String {
+            val score: Double = document.selectFirst("#score_number")?.text()?.toDouble() ?: 0.0
+            val fullStars = score.toInt()
+            val hasHalfStar = (score % 1) >= 0.5
+            val totalStars = if (hasHalfStar) fullStars + 1 else fullStars
+            val emptyStars = 5 - totalStars
+
+            return "✪".repeat(fullStars) + (if (hasHalfStar) "✪" else "") + "⬤".repeat(emptyStars) + " ($score)"
+        }
+
+        fun getAdultRating(): String {
+            val rating = document.selectFirst("#embed_header h2")!!.className().substringAfter("rated-")
+            return when (rating) {
+                "e" -> "🟩 Everyone"
+                "t" -> "🟦 Ages 13+"
+                "m" -> "🟪 Ages 17+"
+                "a" -> "🟥 Adults Only"
+                else -> "❓"
+            }
+        }
+
+        fun getStats(): String {
+            val statsElement = document.selectFirst("#sidestats > dl:first-of-type")
+            val views = statsElement?.selectFirst("dd:first-of-type")?.text() ?: "?"
+            val faves = statsElement?.selectFirst("dd:nth-of-type(2)")?.text() ?: "?"
+            val votes = statsElement?.selectFirst("dd:nth-of-type(3)")?.text() ?: "?"
+
+            return "👀 $views  |  ❤️ $faves  |  🗳️ $votes"
+        }
+
+        fun prepareDescription(): String {
+            val descriptionElements = preferences.getStringSet("DESCRIPTION_ELEMENTS", setOf("short"))
+                ?: return ""
+
+            val shortDescription = document.selectFirst("meta[itemprop=\"description\"]")?.attr("content")
+            val longDescription = document.selectFirst("#author_comments")?.wholeText()
+            val statsSummary = "${getAdultRating()}  |  ${getStarRating()}  |  ${getStats()}"
+
+            val description = StringBuilder()
+
+            if (descriptionElements.contains("short")) {
+                description.append(shortDescription)
+            }
+
+            if (descriptionElements.contains("long")) {
+                description.append("\n\n" + longDescription)
+            }
+
+            if (descriptionElements.contains("stats") || preferences.getBoolean("STATS_SUMMARY", false)) {
+                description.append("\n\n" + statsSummary)
+            }
+
+            return description.toString()
+        }
+
+        val relatedPlaylistElement = document.selectFirst("div[id^=\"related_playlists\"] ")
+        val relatedPlaylistUrl = relatedPlaylistElement?.selectFirst("a:not([id^=\"related_playlists\"])")?.absUrl("href")
+        val relatedPlaylistName = relatedPlaylistElement?.selectFirst(".detail-title h4")?.text()
+        val isPartOfSeries = relatedPlaylistUrl?.startsWith("$baseUrl/series") ?: false
+
+        return SAnime.create().apply {
+            title = relatedPlaylistName.takeIf { isPartOfSeries }
+                ?: document.selectFirst("h2[itemprop=\"name\"]")!!.text()
+            description = prepareDescription()
+            author = document.selectFirst(".authorlinks > div:first-of-type .item-details-main")?.text()
+            artist = document.select(".authorlinks > div:not(:first-of-type) .item-details-main").joinToString {
+                it.text()
+            }
+            thumbnail_url = document.selectFirst("meta[itemprop=\"thumbnailUrl\"]")?.absUrl("content")
+            genre = document.select(".tags li a").joinToString { it.text() } + document.selectFirst("div[id^=\"genre-view\"] dt")?.text()
+            status = SAnime.ONGOING.takeIf { isPartOfSeries } ?: SAnime.COMPLETED
+        }
+    }
+
+    override fun episodeListSelector(): String = throw UnsupportedOperationException("Not Used")
+
+    override fun episodeFromElement(element: Element): SEpisode = throw UnsupportedOperationException("Not Used")
+
+    override suspend fun getEpisodeList(anime: SAnime): List<SEpisode> {
+        val response = client.newCall(GET("${baseUrl}${anime.url}", headers)).execute()
+        val document = response.asJsoup()
+
+        val relatedPlaylistUrl = document.selectFirst("div[id^=\"related_playlists\"] a:not([id^=\"related_playlists\"])")?.absUrl("href")
+        val isPartOfSeries = relatedPlaylistUrl?.startsWith("$baseUrl/series") ?: false
+
+        val episodes = if (isPartOfSeries) {
+            val response2 = client.newCall(GET(relatedPlaylistUrl!!, headers)).execute()
+            val document2 = response2.asJsoup()
+            parseEpisodeList(document2)
+        } else {
+            val dateString = document.selectFirst("#sidestats  > dl:nth-of-type(2) > dd:first-of-type")?.text()
+
+            return listOf(
+                SEpisode.create().apply {
+                    episode_number = 1f
+                    date_upload = dateFormat.tryParse(dateString)
+                    name = document.selectFirst("meta[name=\"title\"]")!!.attr("content")
+                    setUrlWithoutDomain("$baseUrl${anime.url.replace("/view/","/video/")}")
+                },
+            )
+        }
+
+        return episodes
+    }
+
+    override fun episodeListRequest(anime: SAnime): Request = throw UnsupportedOperationException()
+
+    override fun episodeListParse(response: Response): List<SEpisode> = throw UnsupportedOperationException()
+
+    private fun parseEpisodeList(document: Document): List<SEpisode> {
+        val ids = document.select("li.visual-link-container").map { it.attr("data-visual-link") }
+        val formBody = FormBody.Builder()
+            .add("ids", ids.toString())
+            .add("component_params[include_author]", "1")
+            .add("include_all_suitabilities", "0")
+            .add("isAjaxRequest", "1")
+            .build()
+
+        val request = Request.Builder()
+            .url("$baseUrl/visual-links-fetch")
+            .post(formBody)
+            .headers(headers)
+            .build()
+
+        val response = client.newCall(request).execute()
+
+        val jsonObject = JSONObject(response.body.string())
+        val episodes = mutableListOf<SEpisode>()
+
+        val simples = jsonObject.getJSONObject("simples")
+        var index = 1
+        for (key in simples.keys()) {
+            val subObject = simples.getJSONObject(key)
+
+            for (episodeKey in subObject.keys()) {
+                val episodeData = subObject.getJSONObject(episodeKey)
+                val uploaderData = episodeData.getJSONObject("user")
+
+                val episode = SEpisode.create().apply {
+                    episode_number = index.toFloat()
+                    name = episodeData.getString("title")
+                    scanlator = uploaderData.getString("user_name")
+                    setUrlWithoutDomain("$baseUrl/portal/video/${episodeData.getString("id")}")
+                }
+
+                episodes.add(episode)
+                index++
+            }
+        }
+
+        return episodes.reversed()
+    }
+
+    override fun videoListRequest(episode: SEpisode): Request = GET("$baseUrl${episode.url}", videoListHeaders)
+
+    override fun videoListParse(response: Response): List<Video> {
+        val responseBody = response.body.string()
+        val json = JSONObject(responseBody)
+        val sources = json.getJSONObject("sources")
+
+        val videos = mutableListOf<Video>()
+
+        for (quality in sources.keys()) {
+            val qualityArray = sources.getJSONArray(quality)
+            for (i in 0 until qualityArray.length()) {
+                val videoObject = qualityArray.getJSONObject(i)
+                val videoUrl = videoObject.getString("src")
+
+                videos.add(
+                    Video(
+                        url = videoUrl,
+                        quality = quality,
+                        videoUrl = videoUrl,
+                        headers = headers,
+                    ),
+                )
+            }
+        }
+
+        return videos
+    }
+
+    override fun videoListSelector(): String = throw UnsupportedOperationException("Not Used")
+
+    override fun videoFromElement(element: Element): Video = throw UnsupportedOperationException("Not Used")
+
+    override fun videoUrlParse(document: Document): String = throw UnsupportedOperationException("Not Used")
+
+    // ============================== Filters ===============================
+
+    override fun getFilterList(): AnimeFilterList = AnimeFilterList(
+        SortingFilter(),
+        MatchAgainstFilter(),
+        TuningFilterGroup(),
+        GenreFilter(),
+        AuthorFilter(),
+        TagsFilter(),
+        LengthFilterGroup(),
+        DateFilterGroup(),
+        FrontpagedFilter(),
+        AnimeFilter.Separator(),
+        AnimeFilter.Header("Age rating: to change age rating open WebView and in Movies tab click on 🟩🟦🟪🟥 icons on the right. Then refresh search."), // uses ng_user0 cookie
+    )
+
+    // ============================ Preferences =============================
+    /*
+        According to the labels on the website:
+        Featured    -> /movies/featured
+        Latest      -> /movies/browse
+        Popular     -> /movies/popular
+        Your Feed   -> /social/feeds/show/favorite-artists-movies
+        Under Judgement -> /movies/browse?interval=all&artist-type=unjudged
+     */
+
+    override fun setupPreferenceScreen(screen: PreferenceScreen) {
+        ListPreference(screen.context).apply {
+            key = "POPULAR"
+            title = "Popular section content"
+            entries = PREF_SECTIONS.keys.toTypedArray()
+            entryValues = PREF_SECTIONS.values.toTypedArray()
+            setDefaultValue(PREF_SECTIONS["Popular"])
+            summary = "%s"
+
+            setOnPreferenceChangeListener { _, newValue ->
+                val selected = newValue as String
+                preferences.edit().putString(key, selected).commit()
+            }
+        }.also(screen::addPreference)
+
+        ListPreference(screen.context).apply {
+            key = "LATEST"
+            title = "Latest section content"
+            entries = PREF_SECTIONS.keys.toTypedArray()
+            entryValues = PREF_SECTIONS.values.toTypedArray()
+            setDefaultValue(PREF_SECTIONS["Latest"])
+            summary = "%s"
+
+            setOnPreferenceChangeListener { _, newValue ->
+                val selected = newValue as String
+                preferences.edit().putString(key, selected).commit()
+            }
+        }.also(screen::addPreference)
+
+        MultiSelectListPreference(screen.context).apply {
+            key = "DESCRIPTION_ELEMENTS"
+            title = "Description elements"
+            entries = arrayOf("Short description", "Long description (author comments)", "Stats (score, favs, views)")
+            entryValues = arrayOf("short", "long", "stats")
+            setDefaultValue(setOf("short", "stats"))
+            summary = "Elements to be included in description"
+
+            setOnPreferenceChangeListener { _, newValue ->
+                val selectedItems = newValue as Set<*>
+                preferences.edit().putStringSet(key, selectedItems as Set<String>).apply()
+                true
+            }
+        }.also(screen::addPreference)
+
+        CheckBoxPreference(screen.context).apply {
+            key = "PROMPT_CONTENT_FILTERED"
+            title = "Prompt to log in"
+            setDefaultValue(true)
+            summary = "Show toast when user is not logged in and therefore adult content is not accessible"
+        }.also(screen::addPreference)
+    }
+
+    // ========================== Helper Functions ==========================
+
+    /**
+     * Chooses an extraction technique for anime information, based on section selected in Preferences
+     */
+    private fun animeFromElement(element: Element, section: String): SAnime {
+        return if (section == PREF_SECTIONS["Your Feed"]) {
+            animeFromFeedElement(element)
+        } else {
+            animeFromGridElement(element)
+        }
+    }
+
+    /**
+     * Extracts anime information from element of grid-like list typical for /popular, /browse or /featured
+     */
+    private fun animeFromGridElement(element: Element): SAnime = SAnime.create().apply {
+        title = element.selectFirst(".card-title h4")!!.text()
+        author = element.selectFirst(".card-title span")?.text()?.replace("By ", "")
+        description = element.selectFirst("a")?.attr("title")
+        thumbnail_url = element.selectFirst("img")?.absUrl("src")
+        setUrlWithoutDomain(element.selectFirst("a")!!.absUrl("href"))
+    }
+
+    /**
+     * Extracts anime information from element of list returned in Your Feed
+     */
+    private fun animeFromFeedElement(element: Element): SAnime = SAnime.create().apply {
+        title = element.selectFirst(".detail-title h4")!!.text()
+        author = element.selectFirst(".detail-title strong")?.text()
+        description = element.selectFirst(".detail-description")?.text()
+        thumbnail_url = element.selectFirst(".item-icon img")?.absUrl("src")
+        setUrlWithoutDomain(element.selectFirst("a")!!.absUrl("href"))
+    }
+
+    /**
+     * Extracts anime information from element of list typical for /search or /series
+     */
+    private fun animeFromListElement(element: Element): SAnime = SAnime.create().apply {
+        title = element.selectFirst(".detail-title > h4")!!.text()
+        author = element.selectFirst(".detail-title > span > strong")?.text()
+        description = element.selectFirst(".detail-description")?.text()
+        thumbnail_url = element.selectFirst(".item-icon img")?.absUrl("src")
+        setUrlWithoutDomain(element.selectFirst("a")!!.absUrl("href"))
+    }
+
+    /**
+     * Returns CSS selector for anime, based on the section selected in Preferences
+     */
+    private fun animeSelector(section: String): String {
+        return if (section == PREF_SECTIONS["Your Feed"]) {
+            "a.item-portalsubmission"
+        } else {
+            "a.inline-card-portalsubmission"
+        }
+    }
+
+    /**
+     * Checks if cookie with username is present in response headers.
+     * If cookie is missing: displays a toast with information.
+     */
+    private fun checkAdultContentFiltered(headers: Headers) {
+        val usernameCookie: Boolean = headers.values("Set-Cookie").any { it.startsWith("NG_GG_username=") }
+        if (usernameCookie) return // user already logged in
+
+        val shouldPrompt = preferences.getBoolean("PROMPT_CONTENT_FILTERED", true)
+        if (shouldPrompt) {
+            handler.post {
+                Toast.makeText(context, "Log in via WebView to include adult content", Toast.LENGTH_SHORT).show()
+            }
+        }
+    }
+
+    private inline fun <reified T> Iterable<*>.findInstance() = find { it is T } as? T
+
+    /**
+     * Executes the given [action] if the filter is set to a meaningful value.
+     *
+     *  @param action A function to execute if the filter is set.
+     */
+    private inline fun <T> T?.ifFilterSet(action: (T) -> Unit) where T : AnimeFilter<*> {
+        val state = this?.state
+        if (this != null && state != null && state != "" && state != 0 && state != false) {
+            action(this)
+        }
+    }
+
+    companion object {
+        private val PREF_SECTIONS = mapOf(
+            "Featured" to "movies/featured",
+            "Latest" to "movies/browse",
+            "Popular" to "movies/popular",
+            "Your Feed" to "social/feeds/show/favorite-artists-movies",
+        )
+    }
+}

src/all/newgrounds/src/eu/kanade/tachiyomi/animeextension/all/newgrounds/NewGroundsFilters.kt

@@ -0,0 +1,75 @@
+package eu.kanade.tachiyomi.animeextension.all.newgrounds
+
+import eu.kanade.tachiyomi.animesource.model.AnimeFilter
+
+class MatchAgainstFilter : AnimeFilter.Select<String>("Match against", MATCH_AGAINST.keys.toTypedArray(), 0)
+
+class TuningExactFilter : AnimeFilter.CheckBox("exact matches", false)
+class TuningAnyFilter : AnimeFilter.CheckBox("match any words", false)
+class TuningFilterGroup : AnimeFilter.Group<AnimeFilter.CheckBox>(
+    "Tuning",
+    listOf(
+        TuningExactFilter(),
+        TuningAnyFilter(),
+    ),
+)
+
+class AuthorFilter : AnimeFilter.Text("Author")
+
+class GenreFilter : AnimeFilter.Select<String>("Genre", GENRE.keys.toTypedArray())
+
+class MinLengthFilter : AnimeFilter.Text("Min Length")
+class MaxLengthFilter : AnimeFilter.Text("Max Length")
+class LengthFilterGroup : AnimeFilter.Group<AnimeFilter.Text>(
+    "Length (00:00:00)",
+    listOf(
+        MinLengthFilter(),
+        MaxLengthFilter(),
+    ),
+)
+
+class FrontpagedFilter : AnimeFilter.CheckBox("Frontpaged?", false)
+
+class AfterDateFilter : AnimeFilter.Text("On, or after")
+class BeforeDateFilter : AnimeFilter.Text("Before")
+class DateFilterGroup : AnimeFilter.Group<AnimeFilter.Text>(
+    "Date (YYYY-MM-DD)",
+    listOf(
+        AfterDateFilter(),
+        BeforeDateFilter(),
+    ),
+)
+
+class SortingFilter() : AnimeFilter.Sort("Sort by", SORTING.keys.toTypedArray(), Selection(0, true))
+
+class TagsFilter() : AnimeFilter.Text("Tags (comma separated)")
+
+// ===================================================================
+val MATCH_AGAINST = mapOf(
+    "Default" to "",
+    "title / description / tags / author" to "tdtu",
+    "title / description / tags" to "tdt",
+    "title / description" to "td",
+    "title" to "t",
+    "description" to "d",
+)
+
+val GENRE = mapOf(
+    "All" to "",
+    "Action" to "45",
+    "Comedy - Original" to "60",
+    "Comedy - Parody" to "61",
+    "Drama" to "47",
+    "Experimental" to "49",
+    "Informative" to "48",
+    "Music Video" to "50",
+    "Other" to "51",
+    "Spam" to "55",
+)
+
+val SORTING = mapOf(
+    "Default (Relevance)" to "relevance",
+    "Date" to "date",
+    "Score" to "score",
+    "Views" to "views",
+)