TF-1362: [Domain] Get unreadSpamEmail in Usecase

lib/features/mailbox_dashboard/domain/state/get_last_time_dismissed_spam_reported_state.dart

@@ -1,22 +0,0 @@
-import 'package:core/presentation/state/failure.dart';
-import 'package:core/presentation/state/success.dart';
-
-class GetLastTimeDismissedSpamReportedLoading extends UIState {}
-
-class GetLastTimeDismissedSpamReportedSuccess extends UIState {
-  final DateTime lastTimeDismissedSpamReported;
-
-  GetLastTimeDismissedSpamReportedSuccess(this.lastTimeDismissedSpamReported);
-
-  @override
-  List<Object> get props => [];
-}
-
-class GetLastTimeDismissedSpamReportedFailure extends FeatureFailure {
-  final dynamic exception;
-
-  GetLastTimeDismissedSpamReportedFailure(this.exception);
-
-  @override
-  List<Object> get props => [exception];
-}

lib/features/mailbox_dashboard/domain/state/get_number_of_unread_spam_emails_state.dart

@@ -0,0 +1,27 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+
+class GetNumberOfUnreadSpamEmailsLoading extends UIState {}
+
+class GetNumberOfUnreadSpamEmailsSuccess extends UIState {
+  final int unreadSpamEmailNumber;
+
+  GetNumberOfUnreadSpamEmailsSuccess(this.unreadSpamEmailNumber);
+
+  @override
+  List<Object> get props => [unreadSpamEmailNumber];
+}
+
+class InvalidSpamReportCondition extends FeatureFailure {
+  @override
+  List<Object?> get props => [];
+}
+
+class GetNumberOfUnreadSpamEmailsFailure extends FeatureFailure {
+  final dynamic exception;
+
+  GetNumberOfUnreadSpamEmailsFailure(this.exception);
+
+  @override
+  List<Object> get props => [exception];
+}