feat: add toast messages for ai chat interactions (#7086)

frontend/appflowy_flutter/lib/plugins/ai_chat/presentation/message/ai_message_action_bar.dart

@@ -274,7 +274,7 @@ class _SaveToPageButtonState extends State<SaveToPageButton> {
         onPressed: () async {
           final documentId = getOpenedDocumentId();
           if (documentId != null) {
-            await onAddToExistingPage(documentId);
+            await onAddToExistingPage(context, documentId);
             await forceReloadAndUpdateSelection(documentId);
           } else {
             widget.onOverrideVisibility?.call(true);
@@ -298,9 +298,8 @@ class _SaveToPageButtonState extends State<SaveToPageButton> {
         },
         onAddToExistingPage: (documentId) async {
           popoverController.close();
-          await onAddToExistingPage(documentId);
+          final view = await onAddToExistingPage(context, documentId);
-          final view =
+
-              await ViewBackendService.getView(documentId).toNullable();
           if (context.mounted) {
             openPageFromMessage(context, view);
           }
@@ -309,12 +308,20 @@ class _SaveToPageButtonState extends State<SaveToPageButton> {
     );
   }
 
-  Future<void> onAddToExistingPage(String documentId) async {
+  Future<ViewPB?> onAddToExistingPage(
+    BuildContext context,
+    String documentId,
+  ) async {
     await ChatEditDocumentService.addMessageToPage(
       documentId,
       widget.textMessage,
     );
     await Future.delayed(const Duration(milliseconds: 500));
+    final view = await ViewBackendService.getView(documentId).toNullable();
+    if (context.mounted) {
+      showSaveMessageSuccessToast(context, view);
+    }
+    return view;
   }
 
   void addMessageToNewPage(BuildContext context) async {
@@ -327,12 +334,43 @@ class _SaveToPageButtonState extends State<SaveToPageButton> {
         chatView.parentViewId,
         [widget.textMessage],
       );
+
       if (context.mounted) {
+        showSaveMessageSuccessToast(context, newView);
         openPageFromMessage(context, newView);
       }
     }
   }
 
+  void showSaveMessageSuccessToast(BuildContext context, ViewPB? view) {
+    if (view == null) {
+      return;
+    }
+    showToastNotification(
+      context,
+      richMessage: TextSpan(
+        children: [
+          TextSpan(
+            text: LocaleKeys.chat_addToNewPageSuccessToast.tr(),
+            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                  color: const Color(0xFFFFFFFF),
+                ),
+          ),
+          const TextSpan(
+            text: ' ',
+          ),
+          TextSpan(
+            text: view.nameOrDefault,
+            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                  color: const Color(0xFFFFFFFF),
+                  fontWeight: FontWeight.w700,
+                ),
+          ),
+        ],
+      ),
+    );
+  }
+
   Future<void> forceReloadAndUpdateSelection(String documentId) async {
     final bloc = DocumentBloc.findOpen(documentId);
     if (bloc == null) {

frontend/appflowy_flutter/lib/plugins/ai_chat/presentation/message/ai_metadata.dart

@@ -90,6 +90,7 @@ class _AIMessageMetadataState extends State<AIMessageMetadata> {
                             data == null) {
                           return _MetadataButton(
                             name: m.name,
+                            onTap: () => widget.onSelectedMetadata?.call(m),
                           );
                         }
                         return BlocProvider(

frontend/appflowy_flutter/lib/plugins/ai_chat/presentation/message/message_util.dart

@@ -1,8 +1,11 @@
+import 'package:appflowy/generated/locale_keys.g.dart';
 import 'package:appflowy/mobile/application/mobile_router.dart';
 import 'package:appflowy/startup/startup.dart';
 import 'package:appflowy/workspace/application/tabs/tabs_bloc.dart';
 import 'package:appflowy/workspace/application/view/view_ext.dart';
+import 'package:appflowy/workspace/presentation/widgets/dialogs.dart';
 import 'package:appflowy_backend/protobuf/flowy-folder/protobuf.dart';
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/widgets.dart';
 import 'package:universal_platform/universal_platform.dart';
 
@@ -10,6 +13,11 @@ import 'package:universal_platform/universal_platform.dart';
 /// on mobile
 void openPageFromMessage(BuildContext context, ViewPB? view) {
   if (view == null) {
+    showToastNotification(
+      context,
+      message: LocaleKeys.chat_openPagePreviewFailedToast.tr(),
+      type: ToastificationType.error,
+    );
     return;
   }
   if (UniversalPlatform.isDesktop) {

frontend/resources/translations/en.json

@@ -218,7 +218,9 @@
     "addToPageButton": "Add to page",
     "addToPageTitle": "Add message to...",
     "addToNewPage": "Add to a new page",
-    "addToNewPageName": "Messages extracted from \"{}\""
+    "addToNewPageName": "Messages extracted from \"{}\"",
+    "addToNewPageSuccessToast": "Message added to",
+    "openPagePreviewFailedToast": "Failed to open page"
   },
   "trash": {
     "text": "Trash",