Initial commit

lib/core/bloc/connectivity_cubit.dart

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+import 'dart:async';
+
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/service/connectivity_status.service.dart';
+import 'package:injectable/injectable.dart';
+
+@singleton
+class ConnectivityCubit extends Cubit<ConnectivityState> {
+  final ConnectivityStatusService connectivityStatusService;
+  late final StreamSubscription<bool> _sub;
+
+  ConnectivityCubit(this.connectivityStatusService) : super(ConnectivityState.undefined);
+
+  Future<void> initialize() async {
+    final bool isConnected = await connectivityStatusService.isConnectedToInternet();
+    emit(isConnected ? ConnectivityState.connected : ConnectivityState.notConnected);
+    _sub = connectivityStatusService.connectivityChanges().listen((isConnected) {
+      emit(isConnected ? ConnectivityState.connected : ConnectivityState.notConnected);
+    });
+  }
+
+  @override
+  Future<void> close() {
+    _sub.cancel();
+    return super.close();
+  }
+}
+
+enum ConnectivityState { connected, notConnected, undefined }