Bakkin: parse chapter numbers (#12708)

multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/bakkin/BakkinGenerator.kt

@@ -8,7 +8,7 @@ class BakkinGenerator : ThemeSourceGenerator {
 
     override val themeClass = "BakkinReaderX"
 
-    override val baseVersionCode = 4
+    override val baseVersionCode = 5
 
     override val sources = listOf(
         SingleLang("Bakkin", "https://bakkin.moe/reader/", "en"),

multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/bakkin/BakkinJSON.kt

@@ -10,7 +10,12 @@ internal data class Series(
     val volumes: List<Volume>
 ) : Iterable<Chapter> {
     override fun iterator() = volumes.flatMap { vol ->
-        vol.map { it.copy("$dir/${vol.dir}/${it.dir}", "$vol - $it") }
+        vol.map {
+            it.copy(
+                name = "$vol - $it",
+                dir = "$dir/${vol.dir}/${it.dir}"
+            )
+        }
     }.iterator()
 
     val cover: String
@@ -34,5 +39,8 @@ internal data class Chapter(
     val name: String,
     val pages: List<String>
 ) : Iterable<String> by pages {
+    val number: Float
+        get() = dir.substringAfterLast('c').toFloatOrNull() ?: -1f
+
     override fun toString() = name.ifEmpty { dir }
 }

multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/bakkin/BakkinReaderX.kt

@@ -99,11 +99,11 @@ abstract class BakkinReaderX(
 
     override fun fetchChapterList(manga: SManga) =
         observableSeries { series ->
-            series.first { it.dir == manga.url }.mapIndexed { idx, chapter ->
+            series.first { it.dir == manga.url }.map { chapter ->
                 SChapter.create().apply {
                     url = chapter.dir
                     name = chapter.toString()
-                    chapter_number = idx.toFloat()
+                    chapter_number = chapter.number
                     date_upload = 0L
                 }
             }.reversed()