support updating multiple notes in one transaction/undo op

proto/anki/notes.proto

@@ -15,7 +15,7 @@ service NotesService {
   rpc AddNote(AddNoteRequest) returns (AddNoteResponse);
   rpc DefaultsForAdding(DefaultsForAddingRequest) returns (DeckAndNotetype);
   rpc DefaultDeckForNotetype(notetypes.NotetypeId) returns (decks.DeckId);
-  rpc UpdateNote(UpdateNoteRequest) returns (collection.OpChanges);
+  rpc UpdateNotes(UpdateNotesRequest) returns (collection.OpChanges);
   rpc GetNote(NoteId) returns (Note);
   rpc RemoveNotes(RemoveNotesRequest) returns (collection.OpChangesWithCount);
   rpc ClozeNumbersInNote(Note) returns (ClozeNumbersInNoteResponse);
@@ -56,8 +56,8 @@ message AddNoteResponse {
   collection.OpChanges changes = 2;
 }
 
-message UpdateNoteRequest {
-  Note note = 1;
+message UpdateNotesRequest {
+  repeated Note notes = 1;
   bool skip_undo_entry = 2;
 }
 

pylib/anki/collection.py

@@ -329,12 +329,17 @@ class Collection(DeprecatedNamesMixin):
     def get_note(self, id: NoteId) -> Note:
         return Note(self, id=id)
 
+    def update_notes(self, notes: Sequence[Note]) -> OpChanges:
+        """Save note changes to database, and add an undo entry.
+        Unlike note.flush(), this will invalidate any current checkpoint."""
+        return self._backend.update_notes(
+            notes=[n._to_backend_note() for n in notes], skip_undo_entry=False
+        )
+
     def update_note(self, note: Note) -> OpChanges:
         """Save note changes to database, and add an undo entry.
         Unlike note.flush(), this will invalidate any current checkpoint."""
-        return self._backend.update_note(
-            note=note._to_backend_note(), skip_undo_entry=False
-        )
+        return self.update_notes([note])
 
     getCard = get_card
     getNote = get_note

pylib/anki/notes.py

@@ -79,8 +79,8 @@ class Note(DeprecatedNamesMixin):
         """This preserves any current checkpoint.
         For an undo entry, use col.update_note() instead."""
         assert self.id != 0
-        self.col._backend.update_note(
-            note=self._to_backend_note(), skip_undo_entry=True
+        self.col._backend.update_notes(
+            notes=[self._to_backend_note()], skip_undo_entry=True
         )
 
     def joined_fields(self) -> str:

rslib/src/backend/notes.rs

@@ -49,10 +49,14 @@ impl NotesService for Backend {
         })
     }
 
-    fn update_note(&self, input: pb::UpdateNoteRequest) -> Result<pb::OpChanges> {
+    fn update_notes(&self, input: pb::UpdateNotesRequest) -> Result<pb::OpChanges> {
         self.with_col(|col| {
-            let mut note: Note = input.note.ok_or(AnkiError::NotFound)?.into();
-            col.update_note_maybe_undoable(&mut note, !input.skip_undo_entry)
+            let notes = input
+                .notes
+                .into_iter()
+                .map(Into::into)
+                .collect::<Vec<Note>>();
+            col.update_notes_maybe_undoable(notes, !input.skip_undo_entry)
         })
         .map(Into::into)
     }

rslib/src/notes/mod.rs

@@ -348,19 +348,26 @@ impl Collection {
 
     #[cfg(test)]
     pub(crate) fn update_note(&mut self, note: &mut Note) -> Result<OpOutput<()>> {
-        self.update_note_maybe_undoable(note, true)
+        self.transact(Op::UpdateNote, |col| col.update_note_inner(note))
     }
 
-    pub(crate) fn update_note_maybe_undoable(
+    pub(crate) fn update_notes_maybe_undoable(
         &mut self,
-        note: &mut Note,
+        notes: Vec<Note>,
         undoable: bool,
     ) -> Result<OpOutput<()>> {
         if undoable {
-            self.transact(Op::UpdateNote, |col| col.update_note_inner(note))
+            self.transact(Op::UpdateNote, |col| {
+                for mut note in notes {
+                    col.update_note_inner(&mut note)?;
+                }
+                Ok(())
+            })
         } else {
             self.transact_no_undo(|col| {
-                col.update_note_inner(note)?;
+                for mut note in notes {
+                    col.update_note_inner(&mut note)?;
+                }
                 Ok(OpOutput {
                     output: (),
                     changes: OpChanges {