Update 'UM' selectors (again) and add block message. (#6634)

src/pt/unionmangas/build.gradle

@@ -5,7 +5,7 @@ ext {
     extName = 'Union Mangás'
     pkgNameSuffix = 'pt.unionmangas'
     extClass = '.UnionMangas'
-    extVersionCode = 21
+    extVersionCode = 22
     libVersion = '1.2'
 }
 

src/pt/unionmangas/src/eu/kanade/tachiyomi/extension/pt/unionmangas/UnionMangas.kt

@@ -1,8 +1,10 @@
 package eu.kanade.tachiyomi.extension.pt.unionmangas
 
 import com.github.salomonbrys.kotson.array
+import com.github.salomonbrys.kotson.nullObj
 import com.github.salomonbrys.kotson.obj
 import com.github.salomonbrys.kotson.string
+import com.google.gson.JsonElement
 import com.google.gson.JsonObject
 import com.google.gson.JsonParser
 import eu.kanade.tachiyomi.lib.ratelimit.RateLimitInterceptor
@@ -50,7 +52,7 @@ class UnionMangas : ParsedHttpSource() {
     override fun headersBuilder(): Headers.Builder = Headers.Builder()
         .add("Accept", ACCEPT)
         .add("Accept-Language", ACCEPT_LANGUAGE)
-        .add("Referer", "$baseUrl/inicial")
+        .add("Referer", "$baseUrl/home")
 
     override fun popularMangaRequest(page: Int): Request {
         val listPath = if (page == 1) "" else "/visualizacoes/${page - 1}"
@@ -62,7 +64,17 @@ class UnionMangas : ParsedHttpSource() {
         return GET("$baseUrl/lista-mangas/visualizacoes$pageStr", newHeaders)
     }
 
-    override fun popularMangaSelector(): String = "div.lista-mangas"
+    override fun popularMangaParse(response: Response): MangasPage {
+        val results = super.popularMangaParse(response)
+
+        if (results.mangas.isEmpty()) {
+            throw Exception(BLOCK_MESSAGE)
+        }
+
+        return results
+    }
+
+    override fun popularMangaSelector(): String = "div.col-md-3.col-xs-6:has(img.img-thumbnail)"
 
     override fun popularMangaFromElement(element: Element): SManga = SManga.create().apply {
         title = element.select("div[id^=bloco-tooltip] > b").first().text().withoutLanguage()
@@ -88,6 +100,16 @@ class UnionMangas : ParsedHttpSource() {
         return POST("$baseUrl/assets/noticias.php", newHeaders, form)
     }
 
+    override fun latestUpdatesParse(response: Response): MangasPage {
+        val results = super.latestUpdatesParse(response)
+
+        if (results.mangas.isEmpty()) {
+            throw Exception(BLOCK_MESSAGE)
+        }
+
+        return results
+    }
+
     override fun latestUpdatesSelector() = "div.row[style] div.col-md-12[style]"
 
     override fun latestUpdatesFromElement(element: Element): SManga = SManga.create().apply {
@@ -112,7 +134,7 @@ class UnionMangas : ParsedHttpSource() {
             .build()
 
         val url = HttpUrl.parse("$baseUrl/assets/busca.php")!!.newBuilder()
-            .addQueryParameter("pesquisa", query)
+            .addQueryParameter("titulo", query)
 
         return GET(url.toString(), newHeaders)
     }
@@ -127,7 +149,8 @@ class UnionMangas : ParsedHttpSource() {
             return MangasPage(listOf(manga), false)
         }
 
-        val result = response.asJsonObject()
+        val result = response.asJson().nullObj
+            ?: throw Exception(BLOCK_MESSAGE)
 
         val mangas = result["items"].array
             .map { searchMangaFromObject(it.obj) }
@@ -148,7 +171,8 @@ class UnionMangas : ParsedHttpSource() {
     }
 
     override fun mangaDetailsParse(document: Document): SManga = SManga.create().apply {
-        val infoElement = document.select("div.perfil-manga").first()
+        val infoElement = document.select("div.perfil-manga").firstOrNull()
+            ?: throw Exception(BLOCK_MESSAGE)
         val rowInfo = infoElement.select("div.row:eq(2)").first()
 
         title = infoElement.select("h2").first().text().withoutLanguage()
@@ -160,6 +184,16 @@ class UnionMangas : ParsedHttpSource() {
         thumbnail_url = infoElement.select(".img-thumbnail").first().attr("src")
     }
 
+    override fun chapterListParse(response: Response): List<SChapter> {
+        val results = super.chapterListParse(response)
+
+        if (results.isEmpty()) {
+            throw Exception(BLOCK_MESSAGE)
+        }
+
+        return results
+    }
+
     override fun chapterListSelector() = "div.row.capitulos"
 
     override fun chapterFromElement(element: Element): SChapter = SChapter.create().apply {
@@ -221,7 +255,7 @@ class UnionMangas : ParsedHttpSource() {
 
     private fun Element.textWithoutLabel(): String = text()!!.substringAfter(":").trim()
 
-    private fun Response.asJsonObject(): JsonObject = JSON_PARSER.parse(body()!!.string()).obj
+    private fun Response.asJson(): JsonElement = JSON_PARSER.parse(body()!!.string())
 
     companion object {
         private const val ACCEPT = "text/html,application/xhtml+xml,application/xml;q=0.9," +
@@ -232,6 +266,9 @@ class UnionMangas : ParsedHttpSource() {
         private const val USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) " +
             "AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.128 Safari/537.36"
 
+        private const val BLOCK_MESSAGE = "O site está bloqueando o Tachiyomi. " +
+            "Migre para outra fonte caso o problema persistir."
+
         private val JSON_PARSER by lazy { JsonParser() }
 
         private val DATE_FORMATTER by lazy {