fix: ai text insertion (#7615)

* fix: dont scroll to ai writer node if path not found * chore: rename text robot clear method and add reset * fix: insert position is off if using ai writer multiple times * chore: reorganize code * fix: undo not working after accept
2025-12-02 10:10:16 +00:00 · 2025-03-25 22:41:35 +08:00 · 2025-03-25 22:41:35 +08:00 · 039c191d1f
commit 039c191d1f
parent eb4b015de8
4 changed files with 65 additions and 98 deletions
--- a/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/ai/operations/ai_writer_block_operations.dart
+++ b/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/ai/operations/ai_writer_block_operations.dart
@ -48,16 +48,16 @@ Future<void> removeAiWriterNode(
  );
 }

-void formatSelection(
+Future<void> formatSelection(
  EditorState editorState,
  Selection selection,
-  Transaction transaction,
  ApplySuggestionFormatType formatType,
-) {
+) async {
  final nodes = editorState.getNodesInSelection(selection).toList();
  if (nodes.isEmpty) {
    return;
  }
+  final transaction = editorState.transaction;

  if (nodes.length == 1) {
    final node = nodes.removeAt(0);
@ -103,25 +103,43 @@ void formatSelection(
  }

  transaction.compose();
+  await editorState.apply(
+    transaction,
+    options: ApplyOptions(
+      inMemoryUpdate: true,
+      recordUndo: false,
+    ),
+    withUpdateSelection: false,
+  );
 }

-Position ensurePreviousNodeIsEmptyParagraph(
+Future<Position> ensurePreviousNodeIsEmptyParagraph(
  EditorState editorState,
  Node aiWriterNode,
-  Transaction transaction,
-) {
+) async {
  final previous = aiWriterNode.previous;
  final needsEmptyParagraphNode = previous == null ||
      previous.type != ParagraphBlockKeys.type ||
      (previous.delta?.toPlainText().isNotEmpty ?? false);

  final Position position;
+  final transaction = editorState.transaction;
+
  if (needsEmptyParagraphNode) {
    position = Position(path: aiWriterNode.path);
    transaction.insertNode(aiWriterNode.path, paragraphNode());
  } else {
    position = Position(path: previous.path);
  }
+  transaction.afterSelection = Selection.collapsed(position);
+
+  await editorState.apply(
+    transaction,
+    options: ApplyOptions(
+      inMemoryUpdate: true,
+      recordUndo: false,
+    ),
+  );

  return position;
 }
--- a/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/ai/operations/ai_writer_cubit.dart
+++ b/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/ai/operations/ai_writer_cubit.dart
@ -54,6 +54,7 @@ class AiWriterCubit extends Cubit<AiWriterState> {
    if (withDiscard) {
      await _textRobot.discard();
    }
+    _textRobot.clear();
    _textRobot.reset();
    onRemoveNode?.call();
    records.clear();
@ -65,21 +66,11 @@ class AiWriterCubit extends Cubit<AiWriterState> {
      if (selection == null) {
        return;
      }
-      final transaction = editorState.transaction;
-      formatSelection(
+      await formatSelection(
        editorState,
        selection,
-        transaction,
        ApplySuggestionFormatType.clear,
      );
-      await editorState.apply(
-        transaction,
-        options: const ApplyOptions(
-          inMemoryUpdate: true,
-          recordUndo: false,
-        ),
-        withUpdateSelection: false,
-      );
    }
    if (aiWriterNode != null) {
      await removeAiWriterNode(editorState, aiWriterNode!);
@ -122,7 +113,7 @@ class AiWriterCubit extends Cubit<AiWriterState> {
    }

    await _textRobot.discard();
-    _textRobot.reset();
+    _textRobot.clear();

    switch (command) {
      case AiWriterCommand.continueWriting:
@ -222,11 +213,15 @@ class AiWriterCubit extends Cubit<AiWriterState> {

    if (action case SuggestionAction.accept) {
      await _textRobot.persist();
+      await formatSelection(
+        editorState,
+        selection,
+        ApplySuggestionFormatType.clear,
+      );
      final nodes = editorState.getNodesInSelection(selection);
      final transaction = editorState.transaction..deleteNodes(nodes);
      await editorState.apply(
        transaction,
-        options: const ApplyOptions(recordUndo: false),
        withUpdateSelection: false,
      );
      await exit(withDiscard: false, withUnformat: false);
@ -235,6 +230,8 @@ class AiWriterCubit extends Cubit<AiWriterState> {

    if (action case SuggestionAction.keep) {
      await _textRobot.persist();
+      await exit(withDiscard: false);
+      return;
    }

    if (action case SuggestionAction.insertBelow) {
@ -244,20 +241,9 @@ class AiWriterCubit extends Cubit<AiWriterState> {
      final command = (state as ReadyAiWriterState).command;
      final markdownText = (state as ReadyAiWriterState).markdownText;
      if (command == AiWriterCommand.explain && markdownText.isNotEmpty) {
-        final transaction = editorState.transaction;
-        final position = ensurePreviousNodeIsEmptyParagraph(
+        final position = await ensurePreviousNodeIsEmptyParagraph(
          editorState,
          aiWriterNode!,
-          transaction,
-        );
-        transaction.afterSelection = null;
-        await editorState.apply(
-          transaction,
-          options: ApplyOptions(
-            inMemoryUpdate: true,
-            recordUndo: false,
-          ),
-          withUpdateSelection: false,
        );
        _textRobot.start(position: position);
        await _textRobot.persist(markdownText: markdownText);
@ -265,22 +251,14 @@ class AiWriterCubit extends Cubit<AiWriterState> {
        await _textRobot.persist();
      }

-      final transaction = editorState.transaction;
-      formatSelection(
+      await formatSelection(
        editorState,
        selection,
-        transaction,
        ApplySuggestionFormatType.clear,
      );
-      await editorState.apply(
-        transaction,
-        options: const ApplyOptions(recordUndo: false),
-        withUpdateSelection: false,
-      );
-    }
-
      await exit(withDiscard: false);
    }
+  }

  bool hasUnusedResponse() {
    return switch (state) {
@ -308,12 +286,12 @@ class AiWriterCubit extends Cubit<AiWriterState> {

    if (command == AiWriterCommand.continueWriting) {
      return (true, '');
-    } else {
+    }
    if (selection.isCollapsed) {
      return (true, '');
-      } else {
-        final selectionText =
-            await editorState.getMarkdownInSelection(selection);
+    }
+
+    final selectionText = await editorState.getMarkdownInSelection(selection);

    if (command == AiWriterCommand.userQuestion) {
      records.add(
@ -324,8 +302,6 @@ class AiWriterCubit extends Cubit<AiWriterState> {
      return (true, selectionText);
    }
  }
-    }
-  }

  Future<String> _getDocumentContentFromTopToPosition(Position position) async {
    final beginningToCursorSelection = Selection(
@ -360,19 +336,9 @@ class AiWriterCubit extends Cubit<AiWriterState> {
      sourceIds: selectedSourcesNotifier.value,
      completionType: command.toCompletionType(),
      onStart: () async {
-        final transaction = editorState.transaction;
-        final position = ensurePreviousNodeIsEmptyParagraph(
+        final position = await ensurePreviousNodeIsEmptyParagraph(
          editorState,
          aiWriterNode!,
-          transaction,
-        );
-        await editorState.apply(
-          transaction,
-          options: ApplyOptions(
-            inMemoryUpdate: true,
-            recordUndo: false,
-          ),
-          withUpdateSelection: false,
        );
        _textRobot.start(position: position);
        records.add(
@ -461,20 +427,9 @@ class AiWriterCubit extends Cubit<AiWriterState> {
      sourceIds: selectedSourcesNotifier.value,
      format: predefinedFormat,
      onStart: () async {
-        final transaction = editorState.transaction;
-        final position = ensurePreviousNodeIsEmptyParagraph(
+        final position = await ensurePreviousNodeIsEmptyParagraph(
          editorState,
          aiWriterNode!,
-          transaction,
-        );
-        transaction.afterSelection = null;
-        await editorState.apply(
-          transaction,
-          options: ApplyOptions(
-            inMemoryUpdate: true,
-            recordUndo: false,
-          ),
-          withUpdateSelection: false,
        );
        _textRobot.start(position: position);
        records.add(
@ -555,26 +510,14 @@ class AiWriterCubit extends Cubit<AiWriterState> {
      history: records,
      sourceIds: selectedSourcesNotifier.value,
      onStart: () async {
-        final transaction = editorState.transaction;
-        formatSelection(
+        await formatSelection(
          editorState,
          selection,
-          transaction,
          ApplySuggestionFormatType.original,
        );
-        final position = ensurePreviousNodeIsEmptyParagraph(
+        final position = await ensurePreviousNodeIsEmptyParagraph(
          editorState,
          aiWriterNode!,
-          transaction,
-        );
-        transaction.afterSelection = null;
-        await editorState.apply(
-          transaction,
-          options: ApplyOptions(
-            inMemoryUpdate: true,
-            recordUndo: false,
-          ),
-          withUpdateSelection: false,
        );
        _textRobot.start(position: position);
        records.add(
--- a/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/ai/widgets/ai_writer_scroll_wrapper.dart
+++ b/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/ai/widgets/ai_writer_scroll_wrapper.dart
@ -198,10 +198,12 @@ class _AiWriterScrollWrapperState extends State<AiWriterScrollWrapper> {
    throttler.call(() {
      if (aiWriterCubit.aiWriterNode != null) {
        final path = aiWriterCubit.aiWriterNode!.path;
+        if (path.isNotEmpty) {
          widget.editorState.updateSelectionWithReason(
            Selection.collapsed(Position(path: path)),
          );
        }
+      }
    });
  }

--- a/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/base/markdown_text_robot.dart
+++ b/frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/base/markdown_text_robot.dart
@ -58,7 +58,7 @@ class MarkdownTextRobot {
  void start({
    Position? position,
  }) {
-    _insertPosition ??= position ?? editorState.selection?.start;
+    _insertPosition = position ?? editorState.selection?.start;

    if (_enableDebug) {
      Log.info(
@ -148,11 +148,15 @@ class MarkdownTextRobot {
    }
  }

-  void reset() {
+  void clear() {
    _markdownText = '';
    _insertedNodes = [];
  }

+  void reset() {
+    _insertPosition = null;
+  }
+
  Future<void> _refresh({
    required bool inMemoryUpdate,
    bool updateSelection = false,