From c352222e3a5c94c903e6df488264cd5fe57e8375 Mon Sep 17 00:00:00 2001
From: Finnley Somdahl <87634197+rebelonion@users.noreply.github.com>
Date: Wed, 27 Dec 2023 06:34:09 -0600
Subject: [PATCH] fix for downloading when all chapters are read

---
 .../dantotsu/media/manga/MangaReadFragment.kt | 25 ++++++++++---------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/app/src/main/java/ani/dantotsu/media/manga/MangaReadFragment.kt b/app/src/main/java/ani/dantotsu/media/manga/MangaReadFragment.kt
index 25a87c9b..9b70ef7f 100644
--- a/app/src/main/java/ani/dantotsu/media/manga/MangaReadFragment.kt
+++ b/app/src/main/java/ani/dantotsu/media/manga/MangaReadFragment.kt
@@ -196,26 +196,27 @@ open class MangaReadFragment : Fragment(), ScanlatorSelectionListener {
     override fun onScanlatorsSelected() {
         updateChapters()
     }
-
     fun multiDownload(n: Int) {
         //get last viewed chapter
         val selected = media.userProgress
         val chapters = media.manga?.chapters?.values?.toList()
         //filter by selected language
-        val progressChapterIndex = chapters?.indexOfFirst { MangaNameAdapter.findChapterNumber(it.number)?.toInt() == selected }?:0
-        if (progressChapterIndex < 0 || n < 1) return
-        val chaptersToDownload = chapters?.subList(
-            progressChapterIndex + 1,
-            progressChapterIndex + n + 1
-        )
-        if (chaptersToDownload != null) {
-            for (chapter in chaptersToDownload) {
-                onMangaChapterDownloadClick(chapter.title!!)
-            }
-        }
+        val progressChapterIndex = chapters?.indexOfFirst { MangaNameAdapter.findChapterNumber(it.number)?.toInt() == selected } ?: 0
 
+        if (progressChapterIndex < 0 || n < 1 || chapters == null) return
+
+        // Calculate the end index
+        val endIndex = minOf(progressChapterIndex + n, chapters.size)
+
+        //make sure there are enough chapters
+        val chaptersToDownload = chapters.subList(progressChapterIndex + 1, endIndex)
+
+        for (chapter in chaptersToDownload) {
+            onMangaChapterDownloadClick(chapter.title!!)
+        }
     }
 
+
     private fun updateChapters() {
         val loadedChapters = model.getMangaChapters().value
         if (loadedChapters != null) {