TF-1899 Implement interactor for get stored session

(cherry picked from commit 05eb5a5b9da2ab3fba64ea08591fd787a736549e)

lib/features/session/domain/repository/session_repository.dart

@@ -4,4 +4,6 @@ abstract class SessionRepository {
   Future<Session> getSession();
 
   Future<void> storeSession(Session session);
+
+  Future<Session> getStoredSession();
 }

lib/features/session/domain/state/get_stored_session_state.dart

@@ -0,0 +1,23 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
+
+class GetStoredSessionLoading extends UIState {}
+
+class GetStoredSessionSuccess extends UIState {
+
+  final Session session;
+
+  GetStoredSessionSuccess(this.session);
+
+  @override
+  List<Object?> get props => [session];
+}
+
+class GetStoredSessionFailure extends FeatureFailure {
+
+  GetStoredSessionFailure(dynamic exception) : super(exception: exception);
+
+  @override
+  List<Object?> get props => [exception];
+}

lib/features/session/domain/usecases/get_stored_session_interactor.dart

@@ -0,0 +1,21 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:dartz/dartz.dart';
+import 'package:tmail_ui_user/features/session/domain/repository/session_repository.dart';
+import 'package:tmail_ui_user/features/session/domain/state/get_stored_session_state.dart';
+
+class GetStoredSessionInteractor {
+  final SessionRepository sessionRepository;
+
+  GetStoredSessionInteractor(this.sessionRepository);
+
+  Stream<Either<Failure, Success>> execute() async* {
+    try {
+      yield Right<Failure, Success>(GetStoredSessionLoading());
+      final session = await sessionRepository.getStoredSession();
+      yield Right<Failure, Success>(GetStoredSessionSuccess(session));
+    } catch (e) {
+      yield Left<Failure, Success>(GetStoredSessionFailure(e));
+    }
+  }
+}