MangaDex: Make chapter URLs deeplink to series page in Tachiyomi (#8205)

* MangaDex: Chapter URLs deeplink to series page in Tachiyomi

* Changes to getMangaIdFromChapterId:
* Remove FORCE_NETWORK from request
* Decode to ChapterDto instead of manually parsing json
* Make exception on unsuccessful response more verbose

* Use constant instead of "manga" literal

src/all/mangadex/AndroidManifest.xml

@@ -29,6 +29,14 @@
                     android:host="www.mangadex.org"
                     android:pathPattern="/manga/..*"
                     android:scheme="https" />
+                <data
+                    android:host="mangadex.org"
+                    android:pathPattern="/chapter/..*"
+                    android:scheme="https" />
+                <data
+                    android:host="www.mangadex.org"
+                    android:pathPattern="/chapter/..*"
+                    android:scheme="https" />
             </intent-filter>
         </activity>
     </application>

src/all/mangadex/build.gradle

@@ -6,7 +6,7 @@ ext {
     extName = 'MangaDex'
     pkgNameSuffix = 'all.mangadex'
     extClass = '.MangaDexFactory'
-    extVersionCode = 125
+    extVersionCode = 126
     libVersion = '1.2'
     containsNsfw = true
 }

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

@@ -31,6 +31,7 @@ object MDConstants {
         .apply { timeZone = TimeZone.getTimeZone("UTC") }
 
     const val prefixIdSearch = "id:"
+    const val prefixChSearch = "ch:"
 
     const val dataSaverPref = "dataSaverV5"
 

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

@@ -173,6 +173,30 @@ abstract class MangaDex(override val lang: String, val dexLang: String) :
 
     // SEARCH section
 
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
+        if (query.startsWith(MDConstants.prefixChSearch)) {
+            return getMangaIdFromChapterId(query.removePrefix(MDConstants.prefixChSearch)).flatMap { manga_id ->
+                super.fetchSearchManga(page, MDConstants.prefixIdSearch + manga_id, filters)
+            }
+        }
+        return super.fetchSearchManga(page, query, filters)
+    }
+
+    private fun getMangaIdFromChapterId(id: String): Observable<String> {
+        return client.newCall(GET("${MDConstants.apiChapterUrl}/$id", headers))
+            .asObservableSuccess()
+            .map { response ->
+                if (response.isSuccessful.not()) {
+                    throw Exception("Unable to process Chapter request. HTTP code: ${response.code}")
+                }
+
+                helper.json.decodeFromString<ChapterDto>(response.body!!.string()).relationships
+                    .find {
+                        it.type == MDConstants.manga
+                    }!!.id
+            }
+    }
+
     override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
         if (query.startsWith(MDConstants.prefixIdSearch)) {
             val url = MDConstants.apiMangaUrl.toHttpUrlOrNull()!!.newBuilder().apply {

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

@@ -25,7 +25,11 @@ class MangadexUrlActivity : Activity() {
             val titleid = pathSegments[1]
             val mainIntent = Intent().apply {
                 action = "eu.kanade.tachiyomi.SEARCH"
-                putExtra("query", "${MDConstants.prefixIdSearch}$titleid")
+                if (pathSegments[0].equals("chapter")) {
+                    putExtra("query", "${MDConstants.prefixChSearch}$titleid")
+                } else {
+                    putExtra("query", "${MDConstants.prefixIdSearch}$titleid")
+                }
                 putExtra("filter", packageName)
             }