space load on space save

lib/pages/spaces_management/bloc/space_management_bloc.dart

@@ -60,41 +60,42 @@ class SpaceManagementBloc
     }
   }
 
+  void _onloadProducts() async {
+    if (_cachedProducts == null) {
+      final products = await _productApi.fetchProducts();
+      _cachedProducts = products;
+    }
+  }
+
   void _onFetchProducts(
     FetchProductsEvent event,
     Emitter<SpaceManagementState> emit,
   ) async {
-    if (_cachedProducts != null) {
-      // Products are already cached, no need to fetch again
-      return;
-    }
-
     try {
-      final products = await _productApi.fetchProducts();
-      _cachedProducts = products; // Cache the products locally
+      _onloadProducts();
     } catch (e) {
       emit(SpaceManagementError('Error fetching products: $e'));
     }
   }
 
+  Future<List<SpaceModel>> _fetchSpacesForCommunity(
+      String communityUuid) async {
+    return await _api.getSpaceHierarchy(communityUuid);
+  }
+
   void _onLoadCommunityAndSpaces(
     LoadCommunityAndSpacesEvent event,
     Emitter<SpaceManagementState> emit,
   ) async {
     emit(SpaceManagementLoading());
     try {
-      if (_cachedProducts == null) {
-        final products = await _productApi.fetchProducts();
-        _cachedProducts = products;
-      }
-
-      // Fetch all communities
+      _onloadProducts();
       List<CommunityModel> communities = await _api.fetchCommunities();
 
       List<CommunityModel> updatedCommunities = await Future.wait(
         communities.map((community) async {
           List<SpaceModel> spaces =
-              await _api.getSpaceHierarchy(community.uuid);
+              await _fetchSpacesForCommunity(community.uuid);
           return CommunityModel(
             uuid: community.uuid,
             createdAt: community.createdAt,
@@ -225,16 +226,52 @@ class SpaceManagementBloc
     try {
       final updatedSpaces =
           await saveSpacesHierarchically(event.spaces, event.communityUuid);
+
+      final allSpaces = await _fetchSpacesForCommunity(event.communityUuid);
+
       emit(SpaceCreationSuccess(spaces: updatedSpaces));
-      add(LoadCommunityAndSpacesEvent());
+
+      if (previousState is SpaceManagementLoaded) {
+        _updateLoadedState(
+          previousState,
+          allSpaces,
+          event.communityUuid,
+          emit,
+        );
+      } else {
+        add(LoadCommunityAndSpacesEvent());
+      }
     } catch (e) {
       emit(SpaceManagementError('Error saving spaces: $e'));
+
       if (previousState is SpaceManagementLoaded) {
         emit(previousState);
       }
     }
   }
 
+  void _updateLoadedState(
+    SpaceManagementLoaded previousState,
+    List<SpaceModel> allSpaces,
+    String communityUuid,
+    Emitter<SpaceManagementState> emit,
+  ) {
+    final communities = List<CommunityModel>.from(previousState.communities);
+
+    for (var community in communities) {
+      if (community.uuid == communityUuid) {
+        community.spaces = allSpaces;
+        emit(SpaceManagementLoaded(
+          communities: communities,
+          products: _cachedProducts ?? [],
+          selectedCommunity: community,
+          selectedSpace: null,
+        ));
+        return;
+      }
+    }
+  }
+
   Future<List<SpaceModel>> saveSpacesHierarchically(
       List<SpaceModel> spaces, String communityUuid) async {
     final orderedSpaces = flattenHierarchy(spaces);
@@ -245,7 +282,6 @@ class SpaceManagementBloc
 
     for (var parent in parentsToDelete) {
       try {
-        // Ensure parent.uuid is not null before calling the API
         if (parent.uuid != null) {
           await _api.deleteSpace(communityUuid, parent.uuid!);
         }