优化

app/src/main/java/io/legado/app/data/dao/BookDao.kt

@@ -5,6 +5,7 @@ import androidx.room.Delete
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
+import androidx.room.Transaction
 import androidx.room.Update
 import io.legado.app.constant.BookType
 import io.legado.app.data.entities.Book
@@ -150,6 +151,12 @@ interface BookDao {
     @Delete
     fun delete(vararg book: Book)
 
+    @Transaction
+    fun replace(oldBook: Book, newBook: Book) {
+        delete(oldBook)
+        insert(newBook)
+    }
+
     @Query("update books set durChapterPos = :pos where bookUrl = :bookUrl")
     fun upProgress(bookUrl: String, pos: Int)
 

app/src/main/java/io/legado/app/ui/book/audio/AudioPlayViewModel.kt

@@ -71,8 +71,7 @@ class AudioPlayViewModel(application: Application) : BaseViewModel(application)
             if (oldBook.bookUrl == book.bookUrl) {
                 appDb.bookDao.update(book)
             } else {
-                appDb.bookDao.delete(oldBook)
-                appDb.bookDao.insert(book)
+                appDb.bookDao.replace(oldBook, book)
             }
             appDb.bookChapterDao.delByBook(book.bookUrl)
             appDb.bookChapterDao.insert(*cList.toTypedArray())

app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt

@@ -235,8 +235,7 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
             WebBook.getChapterList(scope, bookSource, book, runPreUpdateJs)
                 .onSuccess(IO) {
                     if (inBookshelf) {
-                        appDb.bookDao.delete(oldBook)
-                        book.save()
+                        appDb.bookDao.replace(oldBook, book)
                         /**
                          * runPreUpdateJs 有可能会修改 book 的 bookUrl
                          */

app/src/main/java/io/legado/app/ui/book/manga/ReadMangaViewModel.kt

@@ -118,8 +118,7 @@ class ReadMangaViewModel(application: Application) : BaseViewModel(application)
                 if (oldBook.bookUrl == book.bookUrl) {
                     appDb.bookDao.update(book)
                 } else {
-                    appDb.bookDao.delete(oldBook)
-                    appDb.bookDao.insert(book)
+                    appDb.bookDao.replace(oldBook, book)
                     BookHelp.updateCacheFolder(oldBook, book)
                 }
                 appDb.bookChapterDao.delByBook(oldBook.bookUrl)

app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt

@@ -214,8 +214,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                         if (oldBook.bookUrl == book.bookUrl) {
                             appDb.bookDao.update(book)
                         } else {
-                            appDb.bookDao.delete(oldBook)
-                            appDb.bookDao.insert(book)
+                            appDb.bookDao.replace(oldBook, book)
                             BookHelp.updateCacheFolder(oldBook, book)
                         }
                         appDb.bookChapterDao.delByBook(oldBook.bookUrl)

app/src/main/java/io/legado/app/ui/main/MainViewModel.kt

@@ -167,8 +167,7 @@ class MainViewModel(application: Application) : BaseViewModel(application) {
             if (book.bookUrl == bookUrl) {
                 appDb.bookDao.update(book)
             } else {
-                appDb.bookDao.delete(oldBook)
-                appDb.bookDao.insert(book)
+                appDb.bookDao.replace(oldBook, book)
                 BookHelp.updateCacheFolder(oldBook, book)
             }
             appDb.bookChapterDao.delByBook(bookUrl)