Merge pull request #53 from flutter-news-app-full-source-code/dashboard-content-management-state-sync

Dashboard content management state sync

Author: fulleni

lib/app/view/app.dart

@@ -112,9 +112,11 @@ class App extends StatelessWidget {
           ),
           BlocProvider(
             create: (context) => DashboardBloc(
-              dashboardSummaryRepository: context
-                  .read<DataRepository<DashboardSummary>>(),
+              dashboardSummaryRepository:
+                  context.read<DataRepository<DashboardSummary>>(),
               headlinesRepository: context.read<DataRepository<Headline>>(),
+              topicsRepository: context.read<DataRepository<Topic>>(),
+              sourcesRepository: context.read<DataRepository<Source>>(),
             ),
           ),
         ],

lib/content_management/view/archived_sources_page.dart

@@ -45,7 +45,6 @@ class _ArchivedSourcesView extends StatelessWidget {
               context.read<ContentManagementBloc>().add(
                     const LoadSourcesRequested(limit: kDefaultRowsPerPage),
                   );
-              context.read<DashboardBloc>().add(DashboardSummaryLoaded());
             }
           },
           child: BlocBuilder<ArchivedSourcesBloc, ArchivedSourcesState>(

lib/content_management/view/archived_topics_page.dart

@@ -45,7 +45,6 @@ class _ArchivedTopicsView extends StatelessWidget {
               context
                   .read<ContentManagementBloc>()
                   .add(const LoadTopicsRequested(limit: kDefaultRowsPerPage));
-              context.read<DashboardBloc>().add( DashboardSummaryLoaded());
             }
           },
           child: BlocBuilder<ArchivedTopicsBloc, ArchivedTopicsState>(

lib/content_management/view/create_headline_page.dart

@@ -89,7 +89,6 @@ class _CreateHeadlineViewState extends State<_CreateHeadlineView> {
               // Refresh the list to show the new headline
               const LoadHeadlinesRequested(limit: kDefaultRowsPerPage),
             );
-            context.read<DashboardBloc>().add(DashboardSummaryLoaded());
             context.pop();
           }
           if (state.status == CreateHeadlineStatus.failure) {

lib/content_management/view/create_source_page.dart

@@ -89,7 +89,6 @@ class _CreateSourceViewState extends State<_CreateSourceView> {
               // Refresh the list to show the new source
               const LoadSourcesRequested(limit: kDefaultRowsPerPage),
             );
-            context.read<DashboardBloc>().add(DashboardSummaryLoaded());
             context.pop();
           }
           if (state.status == CreateSourceStatus.failure) {

lib/content_management/view/create_topic_page.dart

@@ -86,7 +86,6 @@ class _CreateTopicViewState extends State<_CreateTopicView> {
               // Refresh the list to show the new topic
               const LoadTopicsRequested(limit: kDefaultRowsPerPage),
             );
-            context.read<DashboardBloc>().add(DashboardSummaryLoaded());
             context.pop();
           }
           if (state.status == CreateTopicStatus.failure) {

lib/content_management/view/edit_headline_page.dart

@@ -117,7 +117,6 @@ class _EditHeadlineViewState extends State<_EditHeadlineView> {
             context.read<ContentManagementBloc>().add(
               const LoadHeadlinesRequested(limit: kDefaultRowsPerPage),
             );
-            context.read<DashboardBloc>().add(DashboardSummaryLoaded());
             context.pop();
           }
           if (state.status == EditHeadlineStatus.failure) {

lib/content_management/view/edit_source_page.dart

@@ -114,7 +114,6 @@ class _EditSourceViewState extends State<_EditSourceView> {
             context.read<ContentManagementBloc>().add(
               const LoadSourcesRequested(limit: kDefaultRowsPerPage),
             );
-            context.read<DashboardBloc>().add(DashboardSummaryLoaded());
             context.pop();
           }
           if (state.status == EditSourceStatus.failure) {

lib/content_management/view/edit_topic_page.dart

@@ -111,7 +111,6 @@ class _EditTopicViewState extends State<_EditTopicView> {
             context.read<ContentManagementBloc>().add(
               const LoadTopicsRequested(limit: kDefaultRowsPerPage),
             );
-            context.read<DashboardBloc>().add(DashboardSummaryLoaded());
             context.pop();
           }
           if (state.status == EditTopicStatus.failure) {

lib/dashboard/bloc/dashboard_bloc.dart

@@ -1,7 +1,10 @@
+import 'dart:async';
+
 import 'package:bloc/bloc.dart';
 import 'package:core/core.dart';
 import 'package:data_repository/data_repository.dart';
 import 'package:equatable/equatable.dart';
+import 'package:stream_transform/stream_transform.dart';
 
 part 'dashboard_event.dart';
 part 'dashboard_state.dart';
@@ -12,17 +15,39 @@ class DashboardBloc extends Bloc<DashboardEvent, DashboardState> {
   DashboardBloc({
     required DataRepository<DashboardSummary> dashboardSummaryRepository,
     required DataRepository<Headline> headlinesRepository,
+    required DataRepository<Topic> topicsRepository,
+    required DataRepository<Source> sourcesRepository,
   }) : _dashboardSummaryRepository = dashboardSummaryRepository,
        _headlinesRepository = headlinesRepository,
        super(const DashboardState()) {
-    on<DashboardSummaryLoaded>(_onDashboardSummaryLoaded);
+    on<DashboardSummaryRequested>(_onDashboardSummaryRequested);
+    on<_DashboardEntityUpdated>(_onDashboardEntityUpdated);
+
+    _entityUpdatedSubscription = headlinesRepository.entityUpdated
+        .merge(topicsRepository.entityUpdated)
+        .merge(sourcesRepository.entityUpdated)
+        .listen((_) => add(const _DashboardEntityUpdated()));
   }
 
   final DataRepository<DashboardSummary> _dashboardSummaryRepository;
   final DataRepository<Headline> _headlinesRepository;
+  late final StreamSubscription<void> _entityUpdatedSubscription;
+
+  @override
+  Future<void> close() {
+    _entityUpdatedSubscription.cancel();
+    return super.close();
+  }
+
+  void _onDashboardEntityUpdated(
+    _DashboardEntityUpdated event,
+    Emitter<DashboardState> emit,
+  ) {
+    add(DashboardSummaryRequested());
+  }
 
-  Future<void> _onDashboardSummaryLoaded(
-    DashboardSummaryLoaded event,
+  Future<void> _onDashboardSummaryRequested(
+    DashboardSummaryRequested event,
     Emitter<DashboardState> emit,
   ) async {
     emit(state.copyWith(status: DashboardStatus.loading));