Fix chapter download button status

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsController.kt

@@ -664,6 +664,7 @@ class MangaDetailsController : BaseController,
                         chapterList = presenter.chapters.subList(startingPosition - 1, position)
                 }
                 downloadChapters(chapterList)
+                presenter.fetchChapters(false)
                 adapter?.removeSelection(startingPosition)
                 (recycler.findViewHolderForAdapterPosition(startingPosition) as? BaseFlexibleViewHolder)
                     ?.toggleActivation()
@@ -687,7 +688,6 @@ class MangaDetailsController : BaseController,
         popup.menuInflater.inflate(R.menu.chapter_single, popup.menu)
 
         popup.setOnMenuItemClickListener { menuItem ->
-            val chapters = listOf(item)
             when (menuItem.itemId) {
                 R.id.action_mark_previous_as_read -> markPreviousAsRead(item)
             }

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsPresenter.kt

@@ -191,15 +191,6 @@ class MangaDetailsPresenter(
         controller.refreshAdapter()
     }
 
-    /**
-     * Sets the sorting method and requests an UI update.
-     * @param sort the sorting mode.
-     */
-    fun setSorting(sort: Int) {
-        manga.sorting = sort
-        db.updateFlags(manga).executeAsBlocking()
-    }
-
     /**
      * Whether the display only downloaded filter is enabled.
      */
@@ -337,17 +328,6 @@ class MangaDetailsPresenter(
         chapters.filter { !it.read && it.status == Download.NOT_DOWNLOADED }.distinctBy { it.name }
             .sortedByDescending { it.source_order }
 
-    /**
-     * Returns the next unread chapter or null if everything is read.
-     */
-    fun getNewestChapterTime(): Long? {
-        return chapters.maxBy { it.date_upload }?.date_upload
-    }
-
-    fun getLatestChapter(): Float? {
-        return chapters.maxBy { it.chapter_number }?.chapter_number
-    }
-
     fun startDownloadingNow(chapter: Chapter) {
         downloadManager.startDownloadNow(chapter)
     }
@@ -360,10 +340,6 @@ class MangaDetailsPresenter(
         downloadManager.downloadChapters(manga, chapters.filter { !it.isDownloaded })
     }
 
-    fun restartDownloads() {
-        if (downloadManager.isPaused()) downloadManager.startDownloads()
-    }
-
     /**
      * Deletes the given list of chapter.
      * @param chapters the list of chapters to delete.

app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/BaseChapterItem.kt

@@ -5,7 +5,6 @@ import eu.davidea.flexibleadapter.items.AbstractSectionableItem
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.source.model.Page
-import eu.kanade.tachiyomi.util.system.HashCode
 
 abstract class BaseChapterItem<T : BaseChapterHolder, H : AbstractHeaderItem<*>>(
     val chapter:
@@ -41,6 +40,6 @@ Chapter,
     }
 
     override fun hashCode(): Int {
-        return HashCode.generate(chapter.id ?: 0L, chapter.name)
+        return (chapter.id ?: 0L).hashCode()
     }
 }