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96 changes: 96 additions & 0 deletions
96
frontend/appflowy_flutter/lib/plugins/ai_chat/application/chat_edit_document_service.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| import 'dart:async'; | ||
|
|
||
| import 'package:appflowy/generated/locale_keys.g.dart'; | ||
| import 'package:appflowy/plugins/document/application/document_data_pb_extension.dart'; | ||
| import 'package:appflowy/plugins/document/application/prelude.dart'; | ||
| import 'package:appflowy/shared/markdown_to_document.dart'; | ||
| import 'package:appflowy/workspace/application/view/view_service.dart'; | ||
| import 'package:appflowy_backend/log.dart'; | ||
| import 'package:appflowy_backend/protobuf/flowy-folder/protobuf.dart'; | ||
| import 'package:appflowy_editor/appflowy_editor.dart'; | ||
| import 'package:appflowy_result/appflowy_result.dart'; | ||
| import 'package:easy_localization/easy_localization.dart'; | ||
| import 'package:flutter/foundation.dart'; | ||
| import 'package:flutter_chat_core/flutter_chat_core.dart'; | ||
|
|
||
| class ChatEditDocumentService { | ||
| static Future<ViewPB?> saveMessagesToNewPage( | ||
| String chatPageName, | ||
| String parentViewId, | ||
| List<TextMessage> messages, | ||
| ) async { | ||
| if (messages.isEmpty) { | ||
| return null; | ||
| } | ||
|
|
||
| // Convert messages to markdown and trim the last empty newline. | ||
| final completeMessage = messages.map((m) => m.text).join('\n').trimRight(); | ||
| if (completeMessage.isEmpty) { | ||
| return null; | ||
| } | ||
|
|
||
| final document = customMarkdownToDocument(completeMessage); | ||
| final initialBytes = | ||
| DocumentDataPBFromTo.fromDocument(document)?.writeToBuffer(); | ||
| if (initialBytes == null) { | ||
| Log.error('Failed to convert messages to document'); | ||
| return null; | ||
| } | ||
|
|
||
| return ViewBackendService.createView( | ||
| name: LocaleKeys.chat_addToNewPageName.tr(args: [chatPageName]), | ||
| layoutType: ViewLayoutPB.Document, | ||
| parentViewId: parentViewId, | ||
| initialDataBytes: initialBytes, | ||
| ).toNullable(); | ||
| } | ||
|
|
||
| static Future<void> addMessageToPage( | ||
| String documentId, | ||
| TextMessage message, | ||
| ) async { | ||
| if (message.text.isEmpty) { | ||
| Log.error('Message is empty'); | ||
| return; | ||
| } | ||
|
|
||
| final bloc = DocumentBloc( | ||
| documentId: documentId, | ||
| saveToBlocMap: false, | ||
| )..add(const DocumentEvent.initial()); | ||
|
|
||
| if (bloc.state.editorState == null) { | ||
| await bloc.stream.firstWhere((state) => state.editorState != null); | ||
| } | ||
|
|
||
| final editorState = bloc.state.editorState; | ||
| if (editorState == null) { | ||
| Log.error("Can't get EditorState of document"); | ||
| return; | ||
| } | ||
|
|
||
| final messageDocument = customMarkdownToDocument(message.text); | ||
| if (messageDocument.isEmpty) { | ||
| Log.error('Failed to convert message to document'); | ||
| return; | ||
| } | ||
|
|
||
| final lastNodeOrNull = editorState.document.root.children.lastOrNull; | ||
|
|
||
| final rootIsEmpty = lastNodeOrNull == null; | ||
| final isLastLineEmpty = lastNodeOrNull?.children.isNotEmpty == false && | ||
| lastNodeOrNull?.delta?.isNotEmpty == false; | ||
|
|
||
| final nodes = [ | ||
| if (rootIsEmpty || !isLastLineEmpty) paragraphNode(), | ||
| ...messageDocument.root.children, | ||
| ]; | ||
| final insertPath = rootIsEmpty || listEquals(lastNodeOrNull.path, const [0]) | ||
| ? const [0] | ||
| : lastNodeOrNull.path.next; | ||
|
|
||
| final transaction = editorState.transaction..insertNodes(insertPath, nodes); | ||
| await editorState.apply(transaction); | ||
| await bloc.close(); | ||
| } | ||
| } |
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