TF-1631 Add abstract class FcmBaseController

(cherry picked from commit 920093f24785669fe5267dca95de8754a26096f3)

lib/features/push_notification/presentation/controller/fcm_base_controller.dart

@@ -0,0 +1,25 @@
+
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:core/utils/app_logger.dart';
+import 'package:dartz/dartz.dart';
+
+abstract class FcmBaseController {
+
+  void consumeState(Stream<Either<Failure, Success>> newStateStream) {
+    newStateStream.listen(
+      _handleStateStream,
+      onError: (error, stackTrace) {
+        logError('FcmBaseController::consumeState():onError:error: $error | stackTrace: $stackTrace');
+      }
+    );
+  }
+
+  void _handleStateStream(Either<Failure, Success> newState) {
+    newState.fold(handleFailureViewState, handleSuccessViewState);
+  }
+
+  void handleFailureViewState(Failure failure);
+
+  void handleSuccessViewState(Success success);
+}