MangaDex: prompt users to use MangaPlus extension for licensed chapters

src/all/mangadex/build.gradle

@@ -5,7 +5,7 @@ ext {
     appName = 'Tachiyomi: MangaDex'
     pkgNameSuffix = 'all.mangadex'
     extClass = '.MangadexFactory'
-    extVersionCode = 65
+    extVersionCode = 66
     libVersion = '1.2'
 }
 

src/all/mangadex/src/eu/kanade/tachiyomi/extension/all/mangadex/Mangadex.kt

@@ -482,6 +482,10 @@ open class Mangadex(override val lang: String, private val internalLang: String,
     override fun chapterFromElement(element: Element) = throw Exception("Not used")
 
     override fun pageListRequest(chapter: SChapter): Request {
+        if (chapter.scanlator == "MangaPlus") {
+            throw Exception("Chapter is licensed; use the MangaPlus extension")
+        }
+
         val server = getServer()
         return GET("$baseUrl${chapter.url}?server=$server")
     }