load space models

lib/pages/spaces_management/all_spaces/bloc/space_management_bloc.dart

@@ -52,10 +52,14 @@ class SpaceManagementBloc
               break;
             }
           }
+
+          var prevSpaceModels = await fetchSpaceModels(previousState);
+
           emit(SpaceManagementLoaded(
             communities: updatedCommunities,
             products: previousState.products,
             selectedCommunity: previousState.selectedCommunity,
+            spaceModels: prevSpaceModels,
           ));
         }
       } else {
@@ -66,6 +70,23 @@ class SpaceManagementBloc
     }
   }
 
+  Future<List<SpaceTemplateModel>> fetchSpaceModels(
+      SpaceManagementState previousState) async {
+    List<SpaceTemplateModel> prevSpaceModels = [];
+
+    if (previousState is SpaceManagementLoaded || previousState is BlankState) {
+      prevSpaceModels = List<SpaceTemplateModel>.from(
+        (previousState as dynamic).spaceModels ?? [],
+      );
+    }
+
+    if (prevSpaceModels.isEmpty) {
+      prevSpaceModels = await _spaceModelApi.listSpaceModels(page: 1);
+    }
+
+    return prevSpaceModels;
+  }
+
   void _onloadProducts() async {
     if (_cachedProducts == null) {
       final products = await _productApi.fetchProducts();
@@ -89,19 +110,24 @@ class SpaceManagementBloc
     return await _api.getSpaceHierarchy(communityUuid);
   }
 
-  void _onNewCommunity(
+  Future<void> _onNewCommunity(
     NewCommunityEvent event,
     Emitter<SpaceManagementState> emit,
-  ) {
+  ) async {
     try {
+      final previousState = state;
+
       if (event.communities.isEmpty) {
         emit(const SpaceManagementError('No communities provided.'));
         return;
       }
 
+      var prevSpaceModels = await fetchSpaceModels(previousState);
+
       emit(BlankState(
         communities: event.communities,
         products: _cachedProducts ?? [],
+        spaceModels: prevSpaceModels,
       ));
     } catch (error) {
       emit(SpaceManagementError('Error loading communities: $error'));
@@ -112,6 +138,7 @@ class SpaceManagementBloc
       BlankStateEvent event, Emitter<SpaceManagementState> emit) async {
     try {
       final previousState = state;
+      var prevSpaceModels = await fetchSpaceModels(previousState);
 
       if (previousState is SpaceManagementLoaded ||
           previousState is BlankState) {
@@ -119,6 +146,7 @@ class SpaceManagementBloc
         emit(BlankState(
           communities: List<CommunityModel>.from(prevCommunities),
           products: _cachedProducts ?? [],
+          spaceModels: prevSpaceModels,
         ));
         return;
       }
@@ -139,6 +167,7 @@ class SpaceManagementBloc
       }));
 
       emit(BlankState(
+        spaceModels: prevSpaceModels,
         communities: updatedCommunities,
         products: _cachedProducts ?? [],
       ));
@@ -217,6 +246,7 @@ class SpaceManagementBloc
     try {
       CommunityModel? newCommunity =
           await _api.createCommunity(event.name, event.description);
+      var prevSpaceModels = await fetchSpaceModels(previousState);
 
       if (newCommunity != null) {
         if (previousState is SpaceManagementLoaded ||
@@ -226,6 +256,7 @@ class SpaceManagementBloc
           );
           final updatedCommunities = prevCommunities..add(newCommunity);
           emit(SpaceManagementLoaded(
+              spaceModels: prevSpaceModels,
               communities: updatedCommunities,
               products: _cachedProducts ?? [],
               selectedCommunity: newCommunity,