Legacy undo & v2 queues must be cleared on backend op

Fixes #12007
ankidroid · Aug 16, 2022 · f84baf6 · f84baf6
1 parent 06741b6
commit f84baf6
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/AnkiDroid/src/main/java/com/ichi2/libanki/ChangeManager.kt b/AnkiDroid/src/main/java/com/ichi2/libanki/ChangeManager.kt
@@ -93,7 +93,12 @@ object ChangeManager {
  * to notify change subscribers of the changes. */
 suspend fun <T> undoableOp(handler: Any? = null, block: CollectionV16.() -> T): T {
     return withCol {
-        this.newBackend.block()
+        val result = newBackend.block()
+        // any backend operation clears legacy undo and resets study queues if it
+        // succeeds
+        clearUndo()
+        reset()
+        result
     }.also {
         withContext(Dispatchers.Main) {
             ChangeManager.notifySubscribers(it, handler)