New source: Bakai (#270)

* chore: Add Bakai base

* feat: Implement popular manga page

* feat: Implement (basic) search

* fix: Prevent http 429 - Use stricter rate limit

* feat: Implement manga details page

* feat: Add single-entry chapter "list"

* feat: Parse page list

* chore: Add source icon

src/pt/bakai/AndroidManifest.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application>
+        <activity
+            android:name=".pt.bakai.BakaiUrlActivity"
+            android:excludeFromRecents="true"
+            android:exported="true"
+            android:theme="@android:style/Theme.NoDisplay">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="bakai.org"
+                    android:pathPattern="/hentai/..*"
+                    android:scheme="https" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>

src/pt/bakai/build.gradle

@@ -0,0 +1,12 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+
+ext {
+    extName = 'Bakai'
+    pkgNameSuffix = 'pt.bakai'
+    extClass = '.Bakai'
+    extVersionCode = 1
+    isNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"

src/pt/bakai/src/eu/kanade/tachiyomi/extension/pt/bakai/Bakai.kt

@@ -0,0 +1,160 @@
+package eu.kanade.tachiyomi.extension.pt.bakai
+
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.network.asObservableSuccess
+import eu.kanade.tachiyomi.network.interceptor.rateLimitHost
+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.model.UpdateStrategy
+import eu.kanade.tachiyomi.source.online.ParsedHttpSource
+import eu.kanade.tachiyomi.util.asJsoup
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.Request
+import okhttp3.Response
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+import rx.Observable
+import java.util.concurrent.TimeUnit
+
+class Bakai : ParsedHttpSource() {
+
+    override val name = "Bakai"
+
+    override val baseUrl = "https://bakai.org"
+
+    override val lang = "pt-BR"
+
+    override val supportsLatest = false
+
+    override val client by lazy {
+        network.client.newBuilder()
+            .rateLimitHost(baseUrl.toHttpUrl(), 1, 2, TimeUnit.SECONDS)
+            .build()
+    }
+
+    // ============================== Popular ===============================
+    override fun popularMangaRequest(page: Int) = GET("$baseUrl/home1/page/$page/")
+
+    override fun popularMangaSelector() = "#elCmsPageWrap ul > li > article"
+
+    override fun popularMangaFromElement(element: Element) = SManga.create().apply {
+        thumbnail_url = element.selectFirst("img")?.absUrl("src")
+        with(element.selectFirst("h2.ipsType_pageTitle a")!!) {
+            title = text()
+            setUrlWithoutDomain(attr("href"))
+        }
+    }
+
+    override fun popularMangaNextPageSelector() = "li.ipsPagination_next:not(.ipsPagination_inactive) > a[rel=next]"
+
+    // =============================== Latest ===============================
+    override fun latestUpdatesRequest(page: Int): Request {
+        throw UnsupportedOperationException("Not used.")
+    }
+
+    override fun latestUpdatesSelector(): String {
+        throw UnsupportedOperationException("Not used.")
+    }
+
+    override fun latestUpdatesFromElement(element: Element): SManga {
+        throw UnsupportedOperationException("Not used.")
+    }
+
+    override fun latestUpdatesNextPageSelector(): String? {
+        throw UnsupportedOperationException("Not used.")
+    }
+
+    // =============================== Search ===============================
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
+        return if (query.startsWith(PREFIX_SEARCH)) { // URL intent handler
+            val id = query.removePrefix(PREFIX_SEARCH)
+            client.newCall(GET("$baseUrl/hentai/$id"))
+                .asObservableSuccess()
+                .map(::searchMangaByIdParse)
+        } else {
+            super.fetchSearchManga(page, query, filters)
+        }
+    }
+
+    private fun searchMangaByIdParse(response: Response): MangasPage {
+        val details = mangaDetailsParse(response.use { it.asJsoup() })
+        return MangasPage(listOf(details), false)
+    }
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
+        val url = "$baseUrl/search1/".toHttpUrl().newBuilder()
+            .addQueryParameter("q", query)
+            .addQueryParameter("type", "cms_records1")
+            .addQueryParameter("page", page.toString())
+            .addQueryParameter("sortby", "relevancy")
+            .addQueryParameter("search_and_or", "or")
+            .build()
+
+        return GET(url, headers)
+    }
+
+    override fun searchMangaSelector() = "ol > li > div"
+
+    override fun searchMangaFromElement(element: Element) = SManga.create().apply {
+        thumbnail_url = element.selectFirst(".ipsThumb img")?.absUrl("src")
+
+        with(element.selectFirst("h2.ipsStreamItem_title a")!!) {
+            title = text()
+            setUrlWithoutDomain(attr("href"))
+        }
+    }
+
+    override fun searchMangaNextPageSelector() = popularMangaNextPageSelector()
+
+    // =========================== Manga Details ============================
+    override fun mangaDetailsParse(document: Document) = SManga.create().apply {
+        title = document.selectFirst("h1.ipsType_pageTitle")?.text() ?: "Hentai"
+        thumbnail_url = document.selectFirst("div.cCmsRecord_image img")?.absUrl("src")
+        artist = document.selectFirst("span.mangaInfo:contains(Artist:) + a")?.text()
+        genre = document.selectFirst("span.mangaInfo:contains(Tags:) + span")?.text()
+        description = document.selectFirst("h2.ipsFieldRow_desc")?.let {
+            // Alternative titles
+            "Títulos alternativos: ${it.text()}"
+        }
+        status = SManga.COMPLETED
+        update_strategy = UpdateStrategy.ONLY_FETCH_ONCE
+    }
+
+    // ============================== Chapters ==============================
+    override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
+        val chapter = SChapter.create().apply {
+            name = "Hentai"
+            chapter_number = 1F
+            url = manga.url
+        }
+
+        return Observable.just(listOf(chapter))
+    }
+
+    override fun chapterListSelector(): String {
+        throw UnsupportedOperationException("Not used.")
+    }
+
+    override fun chapterFromElement(element: Element): SChapter {
+        throw UnsupportedOperationException("Not used.")
+    }
+
+    // =============================== Pages ================================
+    override fun pageListParse(document: Document): List<Page> {
+        return document.select("div.ipsGrid div.ipsType_center > img")
+            .mapIndexed { index, item ->
+                Page(index, "", item.absUrl("data-src"))
+            }
+    }
+
+    override fun imageUrlParse(document: Document): String {
+        throw UnsupportedOperationException("Not used.")
+    }
+
+    companion object {
+        const val PREFIX_SEARCH = "id:"
+    }
+}

src/pt/bakai/src/eu/kanade/tachiyomi/extension/pt/bakai/BakaiUrlActivity.kt

@@ -0,0 +1,41 @@
+package eu.kanade.tachiyomi.extension.pt.bakai
+
+import android.app.Activity
+import android.content.ActivityNotFoundException
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
+import kotlin.system.exitProcess
+
+/**
+ * Springboard that accepts https://bakai.org/hentai/<item> intents
+ * and redirects them to the main Tachiyomi process.
+ */
+class BakaiUrlActivity : Activity() {
+
+    private val tag = javaClass.simpleName
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val pathSegments = intent?.data?.pathSegments
+        if (pathSegments != null && pathSegments.size > 1) {
+            val item = pathSegments[1]
+            val mainIntent = Intent().apply {
+                action = "eu.kanade.tachiyomi.SEARCH"
+                putExtra("query", "${Bakai.PREFIX_SEARCH}$item")
+                putExtra("filter", packageName)
+            }
+
+            try {
+                startActivity(mainIntent)
+            } catch (e: ActivityNotFoundException) {
+                Log.e(tag, e.toString())
+            }
+        } else {
+            Log.e(tag, "could not parse uri from intent $intent")
+        }
+
+        finish()
+        exitProcess(0)
+    }
+}