优化 #5379

app/src/main/java/io/legado/app/help/storage/Restore.kt

@@ -1,6 +1,7 @@
 package io.legado.app.help.storage
 
 import android.content.Context
+import android.database.sqlite.SQLiteConstraintException
 import android.net.Uri
 import androidx.documentfile.provider.DocumentFile
 import io.legado.app.BuildConfig
@@ -105,14 +106,23 @@ object Restore {
                 .forEach { book ->
                     book.coverUrl = LocalBook.getCoverPath(book)
                 }
-            val books = if (BackupConfig.ignoreLocalBook) {
+            val newBooks = arrayListOf<Book>()
-                it.filter { book ->
+            val ignoreLocalBook = BackupConfig.ignoreLocalBook
-                    !book.isLocal
+            it.forEach { book ->
+                if (ignoreLocalBook && book.isLocal) {
+                    return@forEach
+                }
+                if (appDb.bookDao.has(book.bookUrl)) {
+                    try {
+                        appDb.bookDao.update(book)
+                    } catch (_: SQLiteConstraintException) {
+                        appDb.bookDao.insert(book)
+                    }
+                } else {
+                    newBooks.add(book)
                 }
-            } else {
-                it
             }
-            appDb.bookDao.insert(*books.toTypedArray())
+            appDb.bookDao.insert(*newBooks.toTypedArray())
         }
         fileToListT<Bookmark>(path, "bookmark.json")?.let {
             appDb.bookmarkDao.insert(*it.toTypedArray())