Migrate AniBel parser to graphql

app/src/main/java/org/koitharu/kotatsu/base/domain/MangaLoaderContext.kt

@@ -1,15 +1,21 @@
 package org.koitharu.kotatsu.base.domain
 
 import okhttp3.*
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.RequestBody.Companion.toRequestBody
+import org.json.JSONObject
 import org.koin.core.component.KoinComponent
 import org.koin.core.component.get
+import org.koitharu.kotatsu.core.exceptions.GraphQLException
 import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.core.prefs.SourceSettings
 import org.koitharu.kotatsu.utils.ext.await
+import org.koitharu.kotatsu.utils.ext.parseJson
+
 
 open class MangaLoaderContext(
 	private val okHttp: OkHttpClient,
-	val cookieJar: CookieJar
+	val cookieJar: CookieJar,
 ) : KoinComponent {
 
 	suspend fun httpGet(url: String, headers: Headers? = null): Response {
@@ -24,7 +30,7 @@ open class MangaLoaderContext(
 
 	suspend fun httpPost(
 		url: String,
-		form: Map<String, String>
+		form: Map<String, String>,
 	): Response {
 		val body = FormBody.Builder()
 		form.forEach { (k, v) ->
@@ -38,7 +44,7 @@ open class MangaLoaderContext(
 
 	suspend fun httpPost(
 		url: String,
-		payload: String
+		payload: String,
 	): Response {
 		val body = FormBody.Builder()
 		payload.split('&').forEach {
@@ -55,10 +61,24 @@ open class MangaLoaderContext(
 		return okHttp.newCall(request.build()).await()
 	}
 
-	open fun getSettings(source: MangaSource) = SourceSettings(get(), source)
-
-	private companion object {
-
-		private const val SCHEME_HTTP = "http"
+	suspend fun graphQLQuery(endpoint: String, query: String): JSONObject {
+		val body = JSONObject()
+		body.put("operationName", null)
+		body.put("variables", JSONObject())
+		body.put("query", "{${query}}")
+		val mediaType = "application/json; charset=utf-8".toMediaType()
+		val requestBody = body.toString().toRequestBody(mediaType)
+		val request = Request.Builder()
+			.post(requestBody)
+			.url(endpoint)
+		val json = okHttp.newCall(request.build()).await().parseJson()
+		json.optJSONArray("errors")?.let {
+			if (it.length() != 0) {
+				throw GraphQLException(it)
+			}
+		}
+		return json
 	}
+
+	open fun getSettings(source: MangaSource) = SourceSettings(get(), source)
 }

app/src/main/java/org/koitharu/kotatsu/core/exceptions/GraphQLException.kt

@@ -0,0 +1,14 @@
+package org.koitharu.kotatsu.core.exceptions
+
+import org.json.JSONArray
+import org.koitharu.kotatsu.utils.ext.map
+
+class GraphQLException(private val errors: JSONArray) : RuntimeException() {
+
+	val messages = errors.map {
+		it.getString("message")
+	}
+
+	override val message: String
+		get() = messages.joinToString("\n")
+}

app/src/main/java/org/koitharu/kotatsu/core/parser/site/AnibelRepository.kt

@@ -1,16 +1,21 @@
 package org.koitharu.kotatsu.core.parser.site
 
+import androidx.collection.ArraySet
+import org.json.JSONArray
+import org.json.JSONObject
 import org.koitharu.kotatsu.base.domain.MangaLoaderContext
 import org.koitharu.kotatsu.core.model.*
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
-import org.koitharu.kotatsu.utils.ext.*
+import org.koitharu.kotatsu.utils.ext.map
+import org.koitharu.kotatsu.utils.ext.mapIndexed
+import org.koitharu.kotatsu.utils.ext.stringIterator
 import java.util.*
 
 class AnibelRepository(loaderContext: MangaLoaderContext) : RemoteMangaRepository(loaderContext) {
 
 	override val source = MangaSource.ANIBEL
 
-	override val defaultDomain = "old.anibel.net"
+	override val defaultDomain = "anibel.net"
 
 	override val sortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.NEWEST
@@ -20,76 +25,119 @@ class AnibelRepository(loaderContext: MangaLoaderContext) : RemoteMangaRepositor
 		offset: Int,
 		query: String?,
 		tags: Set<MangaTag>?,
-		sortOrder: SortOrder?
+		sortOrder: SortOrder?,
 	): List<Manga> {
 		if (!query.isNullOrEmpty()) {
-			return if (offset == 0) search(query) else emptyList()
+			return if (offset == 0) {
+				search(query)
+			} else {
+				emptyList()
+			}
 		}
-		val page = (offset / 12f).toIntUp().inc()
-		val link = when {
-			tags.isNullOrEmpty() -> "/manga?page=$page".withDomain()
-			else -> tags.joinToString(
-				prefix = "/manga?",
-				postfix = "&page=$page",
-				separator = "&",
-			) { tag -> "genre[]=${tag.key}" }.withDomain()
-		}
-		val doc = loaderContext.httpGet(link).parseHtml()
-		val root = doc.body().select("div.manga-block") ?: parseFailed("Cannot find root")
-		val items = root.select("div.anime-card")
-		return items.mapNotNull { card ->
-			val href = card.selectFirst("a")?.attr("href") ?: return@mapNotNull null
-			val status = card.select("tr")[2].text()
-			val fullTitle = card.selectFirst("h1.anime-card-title")?.text()
-				?.substringBeforeLast('[')  ?: return@mapNotNull null
-			val titleParts = fullTitle.splitTwoParts('/')
+		val filters = tags?.takeUnless { it.isEmpty() }?.joinToString(
+			separator = ",",
+			prefix = "genres: [",
+			postfix = "]"
+		) { "\"it.key\"" }.orEmpty()
+		val array = apiCall(
+			"""
+			getMediaList(offset: $offset, limit: 20, mediaType: manga, filters: {$filters}) {
+				docs {
+					mediaId
+					title {
+						be
+						alt
+					}
+					rating
+					poster
+					genres
+					slug
+					mediaType
+          			status
+				}
+			}
+			""".trimIndent()
+		).getJSONObject("getMediaList").getJSONArray("docs")
+		return array.map { jo ->
+			val mediaId = jo.getString("mediaId")
+			val title = jo.getJSONObject("title")
+			val href = "${jo.getString("mediaType")}/${jo.getString("slug")}"
 			Manga(
-				id = generateUid(href),
-				title = titleParts?.first?.trim() ?: fullTitle,
-				coverUrl = card.selectFirst("img")?.attr("data-src")
-					?.withDomain().orEmpty(),
-				altTitle = titleParts?.second?.trim(),
+				id = generateUid(mediaId),
+				title = title.getString("be"),
+				coverUrl = jo.getString("poster").removePrefix("/cdn")
+					.withDomain("cdn") + "?width=200&height=280",
+				altTitle = title.getString("alt").takeUnless(String::isEmpty),
 				author = null,
-				rating = Manga.NO_RATING,
+				rating = jo.getDouble("rating").toFloat() / 10f,
 				url = href,
-				publicUrl = href.withDomain(),
-				tags = card.select("p.tupe.tag").select("a").mapNotNullToSet tags@{ x ->
-					MangaTag(
-						title = x.text(),
-						key = x.attr("href").ifEmpty {
-							return@mapNotNull null
-						}.substringAfterLast("="),
-						source = source
-					)
-				},
-				state = when (status) {
-					"выпускаецца" -> MangaState.ONGOING
-					"завершанае" -> MangaState.FINISHED
+				publicUrl = "https://${getDomain()}/${href}",
+				tags = jo.getJSONArray("genres").mapToTags(),
+				state = when (jo.getString("status")) {
+					"ongoing" -> MangaState.ONGOING
+					"finished" -> MangaState.FINISHED
 					else -> null
 				},
-				source = source
+				source = source,
 			)
 		}
 	}
 
 	override suspend fun getDetails(manga: Manga): Manga {
-		val doc = loaderContext.httpGet(manga.publicUrl).parseHtml()
-		val root = doc.body().select("div.container") ?: parseFailed("Cannot find root")
+		val (type, slug) = manga.url.split('/')
+		val details = apiCall(
+			"""
+			media(mediaType: $type, slug: "$slug") {
+				mediaId
+				title {
+					be
+					alt
+				}
+				description {
+					be
+				}
+				status
+				poster
+				rating
+				genres
+			}
+			""".trimIndent()
+		).getJSONObject("media")
+		val title = details.getJSONObject("title")
+		val poster = details.getString("poster").removePrefix("/cdn")
+			.withDomain("cdn")
+		val chapters = apiCall(
+			"""
+			chapters(mediaId: "${details.getString("mediaId")}") {
+				id
+				chapter
+				released
+			}
+			""".trimIndent()
+		).getJSONArray("chapters")
 		return manga.copy(
-			description = root.select("div.manga-block.grid-12")[2].select("p").text(),
-			chapters = root.select("ul.series").flatMap { table ->
-				table.select("li")
-			}.map { it.selectFirst("a") }.mapIndexedNotNull { i, a ->
-				val href = a?.select("a")?.first()?.attr("href")
-					?.toRelativeUrl(getDomain()) ?: return@mapIndexedNotNull null
+			title = title.getString("be"),
+			altTitle = title.getString("alt"),
+			coverUrl = "$poster?width=200&height=280",
+			largeCoverUrl = poster,
+			description = details.getJSONObject("description").getString("be"),
+			rating = details.getDouble("rating").toFloat() / 10f,
+			tags = details.getJSONArray("genres").mapToTags(),
+			state = when (details.getString("status")) {
+				"ongoing" -> MangaState.ONGOING
+				"finished" -> MangaState.FINISHED
+				else -> null
+			},
+			chapters = chapters.map { jo ->
+				val number = jo.getInt("chapter")
 				MangaChapter(
-					id = generateUid(href),
-					name = "Глава " + a.selectFirst("a")?.text().orEmpty(),
-					number = i + 1,
-					url = href,
+					id = generateUid(jo.getString("id")),
+					name = "Глава $number",
+					number = number,
+					url = "${manga.url}/read/$number",
 					scanlator = null,
+					uploadDate = jo.getLong("released"),
 					branch = null,
-					uploadDate = 0L,
 					source = source,
 				)
 			}
@@ -97,86 +145,115 @@ class AnibelRepository(loaderContext: MangaLoaderContext) : RemoteMangaRepositor
 	}
 
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
-		val fullUrl = chapter.url.withDomain()
-		val doc = loaderContext.httpGet(fullUrl).parseHtml()
-		val scripts = doc.select("script")
-		for (script in scripts) {
-			val data = script.html()
-			val pos = data.indexOf("dataSource")
-			if (pos == -1) {
-				continue
-			}
-			val json = data.substring(pos).substringAfter('[').substringBefore(']')
-			val domain = getDomain()
-			return json.split(",").mapNotNull {
-				it.trim()
-					.removeSurrounding('"', '\'')
-					.toRelativeUrl(domain)
-					.takeUnless(String::isBlank)
-			}.map { url ->
-				MangaPage(
-					id = generateUid(url),
-					url = url,
-					preview = null,
-					referer = fullUrl,
-					source = source,
-				)
+		val (_, slug, _, number) = chapter.url.split('/')
+		val chapterJson = apiCall(
+			"""
+			chapter(slug: "$slug", chapter: $number) {
+				id
+				images {
+					large
+					thumbnail
+				}
 			}
+			""".trimIndent()
+		).getJSONObject("chapter")
+		val pages = chapterJson.getJSONArray("images")
+		val chapterUrl = "https://${getDomain()}/${chapter.url}"
+		return pages.mapIndexed { i, jo ->
+			MangaPage(
+				id = generateUid("${chapter.url}/$i"),
+				url = jo.getString("large"),
+				referer = chapterUrl,
+				preview = jo.getString("thumbnail"),
+				source = source,
+			)
 		}
-		parseFailed("Pages list not found at ${chapter.url.withDomain()}")
 	}
 
 	override suspend fun getTags(): Set<MangaTag> {
-		val doc = loaderContext.httpGet("https://${getDomain()}/manga").parseHtml()
-		val root = doc.body().select("div#tabs-genres").select("ul#list.ul-three-colums")
-		return root.select("p.menu-tags.tupe").mapToSet { p ->
-			val a = p.selectFirst("a") ?: parseFailed("a is null")
-			MangaTag(
-				title = a.text().toCamelCase(),
-				key = a.attr("data-name"),
-				source = source
-			)
-		}
+		val json = apiCall(
+			"""
+			getFilters(mediaType: manga) {
+				genres
+			}
+			""".trimIndent()
+		)
+		val array = json.getJSONObject("getFilters").getJSONArray("genres")
+		return array.mapToTags()
 	}
 
 	private suspend fun search(query: String): List<Manga> {
-		val domain = getDomain()
-		val doc = loaderContext.httpGet("https://$domain/search?q=$query").parseHtml()
-		val root = doc.body().select("div.manga-block").select("article.tab-2") ?: parseFailed("Cannot find root")
-		val items = root.select("div.anime-card")
-		return items.mapNotNull { card ->
-			val href = card.select("a").attr("href")
-			val status = card.select("tr")[2].text()
-			val fullTitle = card.selectFirst("h1.anime-card-title")?.text()
-				?.substringBeforeLast('[') ?: return@mapNotNull null
-			val titleParts = fullTitle.splitTwoParts('/')
+		val json = apiCall(
+			"""
+			search(query: "$query", limit: 40) {
+				id
+				title {
+					be
+					en
+				}
+				poster
+				url
+				type
+			}
+			""".trimIndent()
+		)
+		val array = json.getJSONArray("search")
+		return array.map { jo ->
+			val mediaId = jo.getString("id")
+			val title = jo.getJSONObject("title")
+			val href = "${jo.getString("type").lowercase()}/${jo.getString("url")}"
 			Manga(
-				id = generateUid(href),
-				title = titleParts?.first?.trim() ?: fullTitle,
-				coverUrl = card.selectFirst("img")?.attr("src")
-					?.withDomain().orEmpty(),
-				altTitle = titleParts?.second?.trim(),
+				id = generateUid(mediaId),
+				title = title.getString("be"),
+				coverUrl = jo.getString("poster").removePrefix("/cdn")
+					.withDomain("cdn") + "?width=200&height=280",
+				altTitle = title.getString("en").takeUnless(String::isEmpty),
 				author = null,
 				rating = Manga.NO_RATING,
 				url = href,
-				publicUrl = href.withDomain(),
-				tags = card.select("p.tupe.tag").select("a").mapNotNullToSet tags@{ x ->
-					MangaTag(
-						title = x.text(),
-						key = x.attr("href").ifEmpty {
-							return@mapNotNull null
-						}.substringAfterLast("="),
-						source = source
-					)
-				},
-				state = when (status) {
-					"выпускаецца" -> MangaState.ONGOING
-					"завершанае" -> MangaState.FINISHED
-					else -> null
-				},
-				source = source
+				publicUrl = "https://${getDomain()}/${href}",
+				tags = emptySet(),
+				state = null,
+				source = source,
 			)
 		}
 	}
 
+	private suspend fun apiCall(request: String): JSONObject {
+		return loaderContext.graphQLQuery("https://api.${getDomain()}/", request)
+			.getJSONObject("data")
+	}
+
+	private fun JSONArray.mapToTags(): Set<MangaTag> {
+
+		fun toTitle(slug: String): String {
+			val builder = StringBuilder(slug)
+			var capitalize = true
+			for ((i, c) in builder.withIndex()) {
+				when {
+					c == '-' -> {
+						builder.setCharAt(i, ' ')
+						capitalize = true
+					}
+					capitalize -> {
+						builder.setCharAt(i, c.uppercaseChar())
+						capitalize = false
+					}
+				}
+			}
+			return builder.toString()
+		}
+
+		val result = ArraySet<MangaTag>(length())
+		stringIterator().forEach {
+			result.add(
+				MangaTag(
+					title = toTitle(it),
+					key = it,
+					source = source,
+				)
+			)
+		}
+		return result
+	}
 }

app/src/main/java/org/koitharu/kotatsu/utils/ext/JsonExt.kt

@@ -44,6 +44,8 @@ fun JSONObject.getLongOrDefault(name: String, defaultValue: Long): Long = opt(na
 
 operator fun JSONArray.iterator(): Iterator<JSONObject> = JSONIterator(this)
 
+fun JSONArray.stringIterator(): Iterator<String> = JSONStringIterator(this)
+
 private class JSONIterator(private val array: JSONArray) : Iterator<JSONObject> {
 
 	private val total = array.length()
@@ -52,7 +54,16 @@ private class JSONIterator(private val array: JSONArray) : Iterator<JSONObject>
 	override fun hasNext() = index < total - 1
 
 	override fun next(): JSONObject = array.getJSONObject(index++)
+}
 
+private class JSONStringIterator(private val array: JSONArray) : Iterator<String> {
+
+	private val total = array.length()
+	private var index = 0
+
+	override fun hasNext() = index < total - 1
+
+	override fun next(): String = array.getString(index++)
 }
 
 fun <T> JSONArray.mapToSet(block: (JSONObject) -> T): Set<T> {