TF-1667 Get spam mailbox cached

(cherry picked from commit 9abd6fc9c5c508499e7d3d9ed525ff57edaead31)

lib/features/mailbox/data/local/mailbox_cache_manager.dart

@@ -1,10 +1,12 @@
 
 import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
+import 'package:model/mailbox/presentation_mailbox.dart';
 import 'package:tmail_ui_user/features/caching/mailbox_cache_client.dart';
 import 'package:tmail_ui_user/features/mailbox/data/extensions/list_mailbox_cache_extension.dart';
 import 'package:tmail_ui_user/features/mailbox/data/extensions/mailbox_cache_extension.dart';
 import 'package:tmail_ui_user/features/mailbox/data/extensions/mailbox_extension.dart';
 import 'package:tmail_ui_user/features/mailbox/data/model/mailbox_cache.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/exceptions/spam_report_exception.dart';
 
 class MailboxCacheManager {
 
@@ -38,4 +40,18 @@ class MailboxCacheManager {
       await _mailboxCacheClient.insertMultipleItem(createdCacheMailboxes.toMap());
     }
   }
+
+  Future<Mailbox> getSpamMailbox() async {
+    final mailboxCachedList = await _mailboxCacheClient.getAll();
+    final listSpamMailboxCached = mailboxCachedList
+      .map((mailboxCached) => mailboxCached.toMailbox())
+      .where((mailbox) => mailbox.role == PresentationMailbox.roleSpam)
+      .toList();
+
+    if (listSpamMailboxCached.isNotEmpty) {
+      return listSpamMailboxCached.first;
+    } else {
+      throw NotFoundSpamMailboxCachedException();
+    }
+  }
 }

lib/features/mailbox_dashboard/domain/exceptions/spam_report_exception.dart

@@ -1,2 +1,4 @@
 
-class NotFoundLastTimeDismissedSpamReportException implements Exception {}
+class NotFoundLastTimeDismissedSpamReportException implements Exception {}
+
+class NotFoundSpamMailboxCachedException implements Exception {}