feat: 优化代码

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

@@ -42,6 +42,9 @@ interface BookDao {
     @Query("SELECT * FROM books WHERE bookUrl = :bookUrl")
     fun getBook(bookUrl: String): Book?
 
+    @Query("SELECT * FROM books WHERE name = :name and author = :author")
+    fun getBook(name: String, author: String): Book?
+
     @get:Query("SELECT * FROM books where origin <> '${BookType.local}' and type = 0")
     val webBooks: List<Book>
 

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

@@ -171,6 +171,10 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
                 if (book.order == 0) {
                     book.order = App.db.bookDao().maxOrder + 1
                 }
+                App.db.bookDao().getBook(book.name, book.author)?.let {
+                    book.durChapterPos = it.durChapterPos
+                    book.durChapterTitle = it.durChapterTitle
+                }
                 App.db.bookDao().insert(book)
             }
         }.onSuccess {
@@ -194,6 +198,10 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
                 if (book.order == 0) {
                     book.order = App.db.bookDao().maxOrder + 1
                 }
+                App.db.bookDao().getBook(book.name, book.author)?.let {
+                    book.durChapterPos = it.durChapterPos
+                    book.durChapterTitle = it.durChapterTitle
+                }
                 App.db.bookDao().insert(book)
             }
             chapterListData.value?.let {