[Manga Plus] Add URL intent for chapter links (#12252)

* [Manga Plus] Add URL intent for chapter links

* Use a when block instead of nested if-else

* Add more descriptive error message

src/all/mangaplus/AndroidManifest.xml

@@ -30,6 +30,14 @@
                     android:host="www.jumpg-webapi.tokyo-cdn.com"
                     android:path="/www/sns_share"
                     android:scheme="https" />
+                <data
+                    android:host="mangaplus.shueisha.co.jp"
+                    android:pathPattern="/viewer/..*"
+                    android:scheme="https" />
+                <data
+                    android:host="www.mangaplus.shueisha.co.jp"
+                    android:pathPattern="/viewer/..*"
+                    android:scheme="https" />
             </intent-filter>
         </activity>
     </application>

src/all/mangaplus/build.gradle

@@ -6,7 +6,7 @@ ext {
     extName = 'MANGA Plus by SHUEISHA'
     pkgNameSuffix = 'all.mangaplus'
     extClass = '.MangaPlusFactory'
-    extVersionCode = 33
+    extVersionCode = 34
 }
 
 apply from: "$rootDir/common.gradle"

src/all/mangaplus/src/eu/kanade/tachiyomi/extension/all/mangaplus/MangaPlus.kt

@@ -139,7 +139,29 @@ abstract class MangaPlus(
         return MangasPage(mangas, false)
     }
 
+    private fun fetchTitleIdFromChapterId(chapterId: String): Observable<Int> {
+
+        return Observable.defer {
+            client.newCall(pageListRequestFromChapterId(chapterId)).asObservableSuccess()
+        }.map { response ->
+            titleIdParse(response)
+        }
+    }
+
+    private fun titleIdParse(response: Response): Int {
+        val result = response.asMangaPlusResponse()
+
+        checkNotNull(result.success) { result.error!!.langPopup(langCode).body }
+
+        return checkNotNull(result.success.mangaViewer?.titleId) { "Chapter is invalid or expired" }
+    }
+
     override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
+        if (query.startsWith(PREFIX_CHAPTER_ID_SEARCH) && query.matches(CHAPTER_ID_SEARCH_PATTERN)) {
+            return fetchTitleIdFromChapterId(query.removePrefix(PREFIX_CHAPTER_ID_SEARCH)).flatMap {
+                fetchSearchManga(page, "$PREFIX_ID_SEARCH$it", filters)
+            }
+        }
         return super.fetchSearchManga(page, query, filters)
             .map {
                 if (it.mangas.size == 1) {
@@ -268,7 +290,10 @@ abstract class MangaPlus(
 
     override fun pageListRequest(chapter: SChapter): Request {
         val chapterId = chapter.url.substringAfterLast("/")
+        return pageListRequestFromChapterId(chapterId)
+    }
 
+    private fun pageListRequestFromChapterId(chapterId: String): Request {
         val newHeaders = headersBuilder()
             .set("Referer", "$baseUrl/viewer/$chapterId")
             .build()
@@ -434,5 +459,7 @@ abstract class MangaPlus(
 
         const val PREFIX_ID_SEARCH = "id:"
         private val ID_SEARCH_PATTERN = "^id:(\\d+)$".toRegex()
+        const val PREFIX_CHAPTER_ID_SEARCH = "ch_id:"
+        private val CHAPTER_ID_SEARCH_PATTERN = "^ch_id:(\\d+)$".toRegex()
     }
 }

src/all/mangaplus/src/eu/kanade/tachiyomi/extension/all/mangaplus/MangaPlusDto.kt

@@ -94,7 +94,10 @@ data class TitleDetailView(
 }
 
 @Serializable
-data class MangaViewer(val pages: List<MangaPlusPage> = emptyList())
+data class MangaViewer(
+    val pages: List<MangaPlusPage> = emptyList(),
+    val titleId: Int? = null
+)
 
 @Serializable
 data class Title(

src/all/mangaplus/src/eu/kanade/tachiyomi/extension/all/mangaplus/MangaPlusUrlActivity.kt

@@ -14,13 +14,16 @@ class MangaPlusUrlActivity : Activity() {
 
         val pathSegments = intent?.data?.pathSegments
         if (pathSegments != null && pathSegments.size > 1) {
-            val titleId = if (!pathSegments[1].equals("sns_share")) pathSegments[1] else
-                intent?.data?.getQueryParameter("title_id")
+            val query = when {
+                pathSegments[0].equals("viewer") -> MangaPlus.PREFIX_CHAPTER_ID_SEARCH + pathSegments[1]
+                pathSegments[0].equals("sns_share") -> intent?.data?.getQueryParameter("title_id")?.let { MangaPlus.PREFIX_ID_SEARCH + it }
+                else -> MangaPlus.PREFIX_ID_SEARCH + pathSegments[1]
+            }
 
-            if (titleId != null) {
+            if (query != null) {
                 val mainIntent = Intent().apply {
                     action = "eu.kanade.tachiyomi.SEARCH"
-                    putExtra("query", MangaPlus.PREFIX_ID_SEARCH + titleId)
+                    putExtra("query", query)
                     putExtra("filter", packageName)
                 }
 
@@ -30,7 +33,7 @@ class MangaPlusUrlActivity : Activity() {
                     Log.e("MangaPlusUrlActivity", e.toString())
                 }
             } else {
-                Log.e("MangaPlusUrlActivity", "Missing title ID from the URL")
+                Log.e("MangaPlusUrlActivity", "Missing title/chapter ID from the URL")
             }
         } else {
             Log.e("MangaPlusUrlActivity", "Could not parse URI from intent $intent")