TF-1812 Implement interactor store sending email

(cherry picked from commit d1a064ec87c9f0ebdb373c893d891db9a93a9d37)

lib/features/email/domain/state/store_sending_email_state.dart

@@ -0,0 +1,14 @@
+
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+
+class StoreSendingEmailLoading extends UIState {}
+
+class StoreSendingEmailSuccess extends UIState {}
+
+class StoreSendingEmailFailure extends FeatureFailure {
+  StoreSendingEmailFailure(dynamic exception) : super(exception: exception);
+
+  @override
+  List<Object?> get props => [exception];
+}

lib/features/email/domain/usecases/store_sending_email_interactor.dart

@@ -0,0 +1,24 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:dartz/dartz.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/user_name.dart';
+import 'package:tmail_ui_user/features/composer/domain/model/sending_email.dart';
+import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
+import 'package:tmail_ui_user/features/email/domain/state/store_sending_email_state.dart';
+
+class StoreSendingEmailInteractor {
+  final EmailRepository _emailRepository;
+
+  StoreSendingEmailInteractor(this._emailRepository);
+
+  Stream<Either<Failure, Success>> execute(AccountId accountId, UserName userName, SendingEmail sendingEmail) async* {
+    try {
+      yield Right<Failure, Success>(StoreSendingEmailLoading());
+      await _emailRepository.storeSendingEmail(accountId, userName, sendingEmail);
+      yield Right<Failure, Success>(StoreSendingEmailSuccess());
+    } catch (e) {
+      yield Left<Failure, Success>(StoreSendingEmailFailure(e));
+    }
+  }
+}