save mail when reload page

lib/features/mailbox_dashboard/domain/repository/email_cache_repository.dart

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+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/data/model/email_cache.dart';
+
+abstract class EmailCacheRepository {
+  void saveEmailCacheOnWeb(Email email);
+
+  EmailCache? getEmailCacheOnWeb();
+
+  void removeEmailCacheOnWeb();
+}

lib/features/mailbox_dashboard/domain/usecases/get_email_cache_on_web.dart

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+import 'package:tmail_ui_user/features/mailbox_dashboard/data/model/email_cache.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/email_cache_repository.dart';
+
+class GetEmailCacheOnWebInteractor {
+  final EmailCacheRepository emailCacheRepository;
+
+  GetEmailCacheOnWebInteractor(this.emailCacheRepository);
+
+  EmailCache? execute() {
+    return emailCacheRepository.getEmailCacheOnWeb();
+  }
+}

lib/features/mailbox_dashboard/domain/usecases/remove_email_cache_on_web.dart

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+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/email_cache_repository.dart';
+
+class RemoveEmailCacheOnWebInteractor {
+  final EmailCacheRepository emailCacheRepository;
+
+  RemoveEmailCacheOnWebInteractor(this.emailCacheRepository);
+
+  execute() {
+    return emailCacheRepository.removeEmailCacheOnWeb();
+  }
+}

lib/features/mailbox_dashboard/domain/usecases/save_email_cache_on_web.dart

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+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/email_cache_repository.dart';
+
+class SaveEmailCacheOnWebInteractor {
+  final EmailCacheRepository emailCacheRepository;
+
+  SaveEmailCacheOnWebInteractor(this.emailCacheRepository);
+
+   execute(Email email) {
+    return emailCacheRepository.saveEmailCacheOnWeb(email);
+  }
+}