优化

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

@@ -276,7 +276,8 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
                     appDb.bookSourceDao.flowSearch(searchKey)
                 }
             }.conflate().map { data ->
-                if (sortAscending) when (sort) {
+                if (sortAscending) {
+                    when (sort) {
                         Sort.Weight -> data.sortedBy { it.weight }
                         Sort.Name -> data.sortedWith { o1, o2 ->
                             o1.bookSourceName.cnCompare(o2.bookSourceName)
@@ -295,7 +296,8 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
 
                         else -> data
                     }
-                else when (sort) {
+                } else {
+                    when (sort) {
                         Sort.Weight -> data.sortedByDescending { it.weight }
                         Sort.Name -> data.sortedWith { o1, o2 ->
                             o2.bookSourceName.cnCompare(o1.bookSourceName)
@@ -314,6 +316,7 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
 
                         else -> data.reversed()
                     }
+                }
             }.catch {
                 AppLog.put("书源界面更新书源出错", it)
             }.conflate().collect { data ->
@@ -653,11 +656,19 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
     }
 
     override fun toTop(bookSource: BookSourcePart) {
+        if (sortAscending) {
             viewModel.topSource(bookSource)
+        } else {
+            viewModel.bottomSource(bookSource)
+        }
     }
 
     override fun toBottom(bookSource: BookSourcePart) {
+        if (sortAscending) {
             viewModel.bottomSource(bookSource)
+        } else {
+            viewModel.topSource(bookSource)
+        }
     }
 
     override fun searchBook(bookSource: BookSourcePart) {