优化

app/src/main/java/io/legado/app/help/config/AppConfig.kt

@@ -6,6 +6,7 @@ import android.os.Build
 import io.legado.app.BuildConfig
 import io.legado.app.constant.AppConst
 import io.legado.app.constant.PreferKey
+import io.legado.app.data.appDb
 import io.legado.app.utils.*
 import splitties.init.appCtx
 
@@ -388,6 +389,11 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
             appCtx.putPrefInt(PreferKey.bookshelfSort, value)
         }
 
+    fun getBookSortByGroupId(groupId: Long): Int {
+        return appDb.bookGroupDao.getByID(groupId)?.getRealBookSort()
+            ?: bookshelfSort
+    }
+
     private fun getPrefUserAgent(): String {
         val ua = appCtx.getPrefString(PreferKey.userAgent)
         if (ua.isNullOrBlank()) {

app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt

@@ -165,7 +165,7 @@ class CacheActivity : VMBaseActivity<ActivityCacheBookBinding, CacheViewModel>()
                 val booksDownload = books.filter {
                     !it.isAudio
                 }
-                when (AppConfig.bookshelfSort) {
+                when (AppConfig.getBookSortByGroupId(groupId)) {
                     1 -> booksDownload.sortedByDescending { it.latestChapterTime }
                     2 -> booksDownload.sortedWith { o1, o2 ->
                         o1.name.cnCompare(o2.name)

app/src/main/java/io/legado/app/ui/book/manage/BookshelfManageActivity.kt

@@ -195,7 +195,7 @@ class BookshelfManageActivity :
                 AppConst.bookGroupErrorId -> appDb.bookDao.flowUpdateError()
                 else -> appDb.bookDao.flowByGroup(viewModel.groupId)
             }.conflate().map { list ->
-                when (AppConfig.bookshelfSort) {
+                when (AppConfig.getBookSortByGroupId(viewModel.groupId)) {
                     1 -> list.sortedByDescending {
                         it.latestChapterTime
                     }

app/src/main/java/io/legado/app/ui/main/bookshelf/style2/BookshelfFragment2.kt

@@ -133,10 +133,7 @@ class BookshelfFragment2 : BaseBookshelfFragment(R.layout.fragment_bookshelf1),
                 AppConst.bookGroupErrorId -> appDb.bookDao.flowUpdateError()
                 else -> appDb.bookDao.flowByGroup(groupId)
             }.conflate().map { list ->
-                when (
-                    appDb.bookGroupDao.getByID(groupId)?.getRealBookSort()
-                        ?: AppConfig.bookshelfSort
-                ) {
+                when (AppConfig.getBookSortByGroupId(groupId)) {
                     1 -> list.sortedByDescending {
                         it.latestChapterTime
                     }