fig for name changer

lib/network/search_service.dart

@@ -37,6 +37,29 @@ class SearchService {
 
   String? wishlistId;
 
+  Future<String?> generateNameForPersonalWishlist(String wishlistId) async {
+    final options = MutationOptions(
+      document: gql('''
+      mutation GenerateNameForPersonalWishlist(\$wishlistId: String!) {
+        generateNameForPersonalWishlist(wishlistId: \$wishlistId) {
+          id
+          name
+        }
+      }
+    '''),
+      variables: {'wishlistId': wishlistId},
+    );
+
+    final result = await client.mutate(options);
+
+    if (result != null && result.containsKey('generateNameForPersonalWishlist')) {
+      final name = result['generateNameForPersonalWishlist']['name'];
+      return name;
+    }
+
+    return null;
+  }
+
   Future<void> startPersonalWishlist(String message) async {
     await _authenticationService.initialize();
 

lib/screens/chat.dart

@@ -72,11 +72,13 @@ class ChatScreenState extends State<ChatScreen> {
   bool isSendButtonEnabled = false;
   bool showButtonsContainer = true;
   final ScrollController _scrollController = ScrollController();
+  late Widget appBarTitle;
 
   String wishlistId = '';
 
   void initState() {
     super.initState();
+    appBarTitle = Text('New Chat');
     _searchService.sseStream.listen((event) {
       _handleSSEMessage(Message(text: '${event.data}'));
     });
@@ -100,6 +102,15 @@ class ChatScreenState extends State<ChatScreen> {
     _scrollToBottom();
   }
 
+  Future<void> updateChatTitle(String wishlistId) async {
+    final wishlistName = await _searchService.generateNameForPersonalWishlist(wishlistId);
+    if (wishlistName != null) {
+      setState(() {
+        // Оновіть назву чату з результатом методу generateNameForPersonalWishlist
+        appBarTitle = Text(wishlistName);
+      });
+    }
+  }
 
   Future<void> _startPersonalWishlist(String message) async {
     setState(() {
@@ -108,6 +119,7 @@ class ChatScreenState extends State<ChatScreen> {
     });
     await _searchService.initializeAuthenticationService();
     await _searchService.startPersonalWishlist(message);
+    updateChatTitle(_searchService.wishlistId.toString());
     _scrollToBottom();
   }
 
@@ -172,7 +184,7 @@ class ChatScreenState extends State<ChatScreen> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text('New Chat'),
+        title: appBarTitle,
         centerTitle: true,
         leading: IconButton(
           icon: Icon(Icons.arrow_back),