TF-4050 refactor: move attachment preview & download logic to download controller

2025-10-23 12:14:39 +07:00
parent 1398a30ed6
commit 92286b48e1
33 changed files with 1055 additions and 651 deletions
@@ -26,11 +26,9 @@ import 'package:tmail_ui_user/features/email/data/datasource/print_file_datasour
 import 'package:tmail_ui_user/features/email/domain/model/detailed_email.dart';
 import 'package:tmail_ui_user/features/email/domain/model/email_print.dart';
 import 'package:tmail_ui_user/features/email/domain/model/move_to_mailbox_request.dart';
-import 'package:tmail_ui_user/features/email/domain/model/preview_email_eml_request.dart';
 import 'package:tmail_ui_user/features/email/domain/model/restore_deleted_message_request.dart';
 import 'package:tmail_ui_user/features/email/domain/model/view_entire_message_request.dart';
 import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
-import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.dart';
 import 'package:tmail_ui_user/features/mailbox/data/datasource/state_datasource.dart';
 import 'package:tmail_ui_user/features/mailbox/data/model/state_type.dart';
 import 'package:tmail_ui_user/features/mailbox/domain/model/create_new_mailbox_request.dart';
@@ -496,51 +494,6 @@ class EmailRepositoryImpl extends EmailRepository {
    return _printFileDataSource.printEmail(emailPrint);
  }

-  @override
-  Future<List<Email>> parseEmailByBlobIds(AccountId accountId, Set<Id> blobIds) {
-    return emailDataSource[DataSourceType.network]!.parseEmailByBlobIds(accountId, blobIds);
-  }
-
-  @override
-  Future<String> generatePreviewEmailEMLContent(PreviewEmailEMLRequest previewEmailEMLRequest) {
-    return emailDataSource[DataSourceType.network]!.generatePreviewEmailEMLContent(previewEmailEMLRequest);
-  }
-
-  @override
-  Future<void> sharePreviewEmailEMLContent(EMLPreviewer emlPreviewer) {
-    return emailDataSource[DataSourceType.local]!.sharePreviewEmailEMLContent(emlPreviewer);
-  }
-
-  @override
-  Future<EMLPreviewer> getPreviewEmailEMLContentShared(String keyStored) {
-    return emailDataSource[DataSourceType.local]!.getPreviewEmailEMLContentShared(keyStored);
-  }
-
-  @override
-  Future<void> removePreviewEmailEMLContentShared(String keyStored) {
-    return emailDataSource[DataSourceType.local]!.removePreviewEmailEMLContentShared(keyStored);
-  }
-
-  @override
-  Future<void> storePreviewEMLContentToSessionStorage(EMLPreviewer emlPreviewer) {
-    return emailDataSource[DataSourceType.session]!.storePreviewEMLContentToSessionStorage(emlPreviewer);
-  }
-
-  @override
-  Future<EMLPreviewer> getPreviewEMLContentInMemory(String keyStored) {
-    return emailDataSource[DataSourceType.session]!.getPreviewEMLContentInMemory(keyStored);
-  }
-
-  @override
-  Future<String> sanitizeHtmlContent(
-    String htmlContent,
-    TransformConfiguration configuration
-  ) {
-    return _htmlDataSource.transformHtmlEmailContent(
-      htmlContent,
-      configuration);
-  }
-
  @override
  Future<DownloadedResponse> exportAllAttachments(
    AccountId accountId,
@@ -2,11 +2,13 @@ import 'package:equatable/equatable.dart';
 import 'package:flutter/material.dart';
 import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email.dart';
 import 'package:tmail_ui_user/main/localizations/app_localizations.dart';

 class PreviewEmailEMLRequest with EquatableMixin {
  final AccountId accountId;
+  final Session session;
  final String ownEmailAddress;
  final Id blobId;
  final Email email;
@@ -17,6 +19,7 @@ class PreviewEmailEMLRequest with EquatableMixin {

  PreviewEmailEMLRequest({
    required this.accountId,
+    required this.session,
    required this.ownEmailAddress,
    required this.blobId,
    required this.email,
@@ -35,6 +38,7 @@ class PreviewEmailEMLRequest with EquatableMixin {
  @override
  List<Object?> get props => [
    accountId,
+    session,
    ownEmailAddress,
    blobId,
    email,
@@ -21,10 +21,8 @@ import 'package:tmail_ui_user/features/composer/domain/model/email_request.dart'
 import 'package:tmail_ui_user/features/email/domain/model/detailed_email.dart';
 import 'package:tmail_ui_user/features/email/domain/model/email_print.dart';
 import 'package:tmail_ui_user/features/email/domain/model/move_to_mailbox_request.dart';
-import 'package:tmail_ui_user/features/email/domain/model/preview_email_eml_request.dart';
 import 'package:tmail_ui_user/features/email/domain/model/restore_deleted_message_request.dart';
 import 'package:tmail_ui_user/features/email/domain/model/view_entire_message_request.dart';
-import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.dart';
 import 'package:tmail_ui_user/features/mailbox/domain/model/create_new_mailbox_request.dart';

 abstract class EmailRepository {
@@ -172,26 +170,6 @@ abstract class EmailRepository {

  Future<void> printEmail(EmailPrint emailPrint);

-  Future<List<Email>> parseEmailByBlobIds(AccountId accountId, Set<Id> blobIds);
-
-  Future<String> generatePreviewEmailEMLContent(PreviewEmailEMLRequest previewEmailEMLRequest);
-
-  Future<void> sharePreviewEmailEMLContent(EMLPreviewer emlPreviewer);
-
-  Future<EMLPreviewer> getPreviewEmailEMLContentShared(String keyStored);
-
-  Future<void> removePreviewEmailEMLContentShared(String keyStored);
-
-  Future<void> storePreviewEMLContentToSessionStorage(EMLPreviewer emlPreviewer);
-
-  Future<EMLPreviewer> getPreviewEMLContentInMemory(String keyStored);
-
-  Future<String> sanitizeHtmlContent(
-    String htmlContent,
-    TransformConfiguration configuration);
-
-
-
  Future<DownloadedResponse> exportAllAttachments(
    AccountId accountId,
    EmailId emailId,
@@ -1,21 +1,37 @@
 import 'package:core/presentation/state/failure.dart';
 import 'package:core/presentation/state/success.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email.dart';

 class ParsingEmailByBlobId extends LoadingState {}

 class ParseEmailByBlobIdSuccess extends UIState {
-
+  final AccountId? accountId;
+  final Session? session;
+  final String ownEmailAddress;
  final Email email;
  final Id blobId;

-  ParseEmailByBlobIdSuccess(this.email, this.blobId);
+  ParseEmailByBlobIdSuccess({
+    required this.email,
+    required this.blobId,
+    required this.accountId,
+    required this.session,
+    required this.ownEmailAddress,
+  });

  @override
-  List<Object> get props => [email, blobId];
+  List<Object?> get props => [
+        email,
+        blobId,
+        accountId,
+        session,
+        ownEmailAddress,
+      ];
 }

 class ParseEmailByBlobIdFailure extends FeatureFailure {
  ParseEmailByBlobIdFailure(dynamic exception) : super(exception: exception);
-}
+}
@@ -1,20 +1,34 @@
 import 'package:core/presentation/state/failure.dart';
 import 'package:core/presentation/state/success.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
 import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.dart';

 class PreviewingEmailFromEmlFile extends LoadingState {}

 class PreviewEmailFromEmlFileSuccess extends UIState {
-
  final EMLPreviewer emlPreviewer;
+  final AccountId? accountId;
+  final Session? session;
+  final String ownEmailAddress;

-  PreviewEmailFromEmlFileSuccess(this.emlPreviewer);
+  PreviewEmailFromEmlFileSuccess(
+    this.emlPreviewer,
+    this.accountId,
+    this.session,
+    this.ownEmailAddress,
+  );

  @override
-  List<Object?> get props => [emlPreviewer];
+  List<Object?> get props => [
+        emlPreviewer,
+        accountId,
+        session,
+        ownEmailAddress,
+      ];
 }

 class PreviewEmailFromEmlFileFailure extends FeatureFailure {
-
-  PreviewEmailFromEmlFileFailure(dynamic exception) : super(exception: exception);
-}
+  PreviewEmailFromEmlFileFailure(dynamic exception)
+      : super(exception: exception);
+}
@@ -1,6 +0,0 @@
-import 'package:core/presentation/state/failure.dart';
-
-class PreviewPDFFileFailure extends FeatureFailure {
-
-  PreviewPDFFileFailure(dynamic exception) : super(exception: exception);
-}
@@ -18,13 +18,13 @@ import 'package:tmail_ui_user/features/login/domain/repository/credential_reposi
 import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/download_repository.dart';

 class DownloadAttachmentForWebInteractor {
-  final DownloadRepository _downloadRepository;
+  final DownloadRepository downloadRepository;
  final CredentialRepository credentialRepository;
  final AccountRepository _accountRepository;
  final AuthenticationOIDCRepository _authenticationOIDCRepository;

  DownloadAttachmentForWebInteractor(
-      this._downloadRepository,
+      this.downloadRepository,
      this.credentialRepository,
      this._accountRepository,
      this._authenticationOIDCRepository);
@@ -56,7 +56,7 @@ class DownloadAttachmentForWebInteractor {
        );
      }

-      final bytesDownloaded = await _downloadRepository.downloadAttachmentForWeb(
+      final bytesDownloaded = await downloadRepository.downloadAttachmentForWeb(
        taskId,
        attachment,
        accountId,
@@ -9,7 +9,6 @@ import 'package:dartz/dartz.dart';
 import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:model/download/download_task_id.dart';
 import 'package:model/email/attachment.dart';
-import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
 import 'package:tmail_ui_user/features/email/domain/state/download_attachment_for_web_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/get_html_content_from_attachment_state.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/download_attachment_for_web_interactor.dart';
@@ -17,11 +16,9 @@ import 'package:tmail_ui_user/features/email/domain/usecases/download_attachment
 class GetHtmlContentFromAttachmentInteractor {
  GetHtmlContentFromAttachmentInteractor(
    this._downloadAttachmentForWebInteractor,
-    this._emailRepository,
  );

  final DownloadAttachmentForWebInteractor _downloadAttachmentForWebInteractor;
-  final EmailRepository _emailRepository;

  Stream<Either<Failure, Success>> execute(
    AccountId accountId,
@@ -89,10 +86,10 @@ class GetHtmlContentFromAttachmentInteractor {
    Attachment attachment,
  ) async {
    try {
-      final sanitizedHtmlContent = await _emailRepository.sanitizeHtmlContent(
-        htmlContent,
-        transformConfiguration,
-      );
+      final sanitizedHtmlContent = await _downloadAttachmentForWebInteractor
+          .downloadRepository
+          .sanitizeHtmlContent(htmlContent, transformConfiguration);
+
      return Right(GetHtmlContentFromAttachmentSuccess(
        sanitizedHtmlContent: sanitizedHtmlContent,
        htmlAttachmentTitle: attachment.generateFileName(),
@@ -1,19 +1,19 @@
 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/email/domain/repository/email_repository.dart';
 import 'package:tmail_ui_user/features/email/domain/state/get_preview_email_eml_content_shared_state.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/download_repository.dart';

 class GetPreviewEmailEMLContentSharedInteractor {
-  final EmailRepository _emailRepository;
+  final DownloadRepository _downloadRepository;

-  const GetPreviewEmailEMLContentSharedInteractor(this._emailRepository);
+  const GetPreviewEmailEMLContentSharedInteractor(this._downloadRepository);

  Stream<Either<Failure, Success>> execute(String keyStored) async* {
    try {
      yield Right<Failure, Success>(GettingPreviewEmailEMLContentShared());

-      final previewEMLContent = await _emailRepository
+      final previewEMLContent = await _downloadRepository
        .getPreviewEmailEMLContentShared(keyStored);

      yield Right<Failure, Success>(GetPreviewEmailEMLContentSharedSuccess(previewEMLContent));
@@ -1,18 +1,18 @@
 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/email/domain/repository/email_repository.dart';
 import 'package:tmail_ui_user/features/email/domain/state/get_preview_eml_content_in_memory_state.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/download_repository.dart';

 class GetPreviewEmlContentInMemoryInteractor {
-  final EmailRepository _emailRepository;
+  final DownloadRepository _downloadRepository;

-  const GetPreviewEmlContentInMemoryInteractor(this._emailRepository);
+  const GetPreviewEmlContentInMemoryInteractor(this._downloadRepository);

  Stream<Either<Failure, Success>> execute(String keyStored) async* {
    try {
      yield Right<Failure, Success>(GettingPreviewEMLContentInMemory());
-      final emlPreviewer = await _emailRepository.getPreviewEMLContentInMemory(keyStored);
+      final emlPreviewer = await _downloadRepository.getPreviewEMLContentInMemory(keyStored);
      yield Right<Failure, Success>(GetPreviewEMLContentInMemorySuccess(emlPreviewer));
    } catch (e) {
      yield Left<Failure, Success>(GetPreviewEMLContentInMemoryFailure(
@@ -1,21 +1,23 @@
 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/email/domain/repository/email_repository.dart';
 import 'package:tmail_ui_user/features/email/domain/state/move_preview_eml_content_from_persistent_to_memory_state.dart';
 import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/download_repository.dart';

 class MovePreviewEmlContentFromPersistentToMemoryInteractor {
-  final EmailRepository _emailRepository;
+  final DownloadRepository _downloadRepository;

-  const MovePreviewEmlContentFromPersistentToMemoryInteractor(this._emailRepository);
+  const MovePreviewEmlContentFromPersistentToMemoryInteractor(
+    this._downloadRepository,
+  );

  Stream<Either<Failure, Success>> execute(EMLPreviewer emlPreviewer) async* {
    try {
      yield Right<Failure, Success>(MovingPreviewEmailEMLContentFromPersistentToMemory());
      await Future.wait([
-        _emailRepository.removePreviewEmailEMLContentShared(emlPreviewer.id),
-        _emailRepository.storePreviewEMLContentToSessionStorage(emlPreviewer),
+        _downloadRepository.removePreviewEmailEMLContentShared(emlPreviewer.id),
+        _downloadRepository.storePreviewEMLContentToSessionStorage(emlPreviewer),
      ]);
      yield Right<Failure, Success>(MovePreviewEmailEMLContentFromPersistentToMemorySuccess());
    } catch (e) {
@@ -3,29 +3,38 @@ 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/id.dart';
-import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
 import 'package:tmail_ui_user/features/email/domain/state/parse_email_by_blob_id_state.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/download_repository.dart';

 class ParseEmailByBlobIdInteractor {
-  final EmailRepository _emailRepository;
+  final DownloadRepository _downloadRepository;

-  const ParseEmailByBlobIdInteractor(this._emailRepository);
+  const ParseEmailByBlobIdInteractor(this._downloadRepository);

-  Stream<Either<Failure, Success>> execute(AccountId accountId, Id blobId) async* {
+  Stream<Either<Failure, Success>> execute(
+    AccountId accountId,
+    Session session,
+    String ownEmailAddress,
+    Id blobId,
+  ) async* {
    try {
      yield Right<Failure, Success>(ParsingEmailByBlobId());

-      final emailParsed = await _emailRepository.parseEmailByBlobIds(
+      final emailParsed = await _downloadRepository.parseEmailByBlobIds(
        accountId,
        {blobId},
      );

      yield Right<Failure, Success>(ParseEmailByBlobIdSuccess(
-        emailParsed.first,
-        blobId,
+        email: emailParsed.first,
+        blobId: blobId,
+        session: session,
+        accountId: accountId,
+        ownEmailAddress: ownEmailAddress,
      ));
    } catch (e) {
      yield Left<Failure, Success>(ParseEmailByBlobIdFailure(e));
    }
  }
-}
+}
@@ -3,14 +3,14 @@ import 'package:core/presentation/state/success.dart';
 import 'package:core/utils/platform_info.dart';
 import 'package:dartz/dartz.dart';
 import 'package:tmail_ui_user/features/email/domain/model/preview_email_eml_request.dart';
-import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
 import 'package:tmail_ui_user/features/email/domain/state/preview_email_from_eml_file_state.dart';
 import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/download_repository.dart';

 class PreviewEmailFromEmlFileInteractor {
-  final EmailRepository _emailRepository;
+  final DownloadRepository _downloadRepository;

-  const PreviewEmailFromEmlFileInteractor(this._emailRepository);
+  const PreviewEmailFromEmlFileInteractor(this._downloadRepository);

  Stream<Either<Failure, Success>> execute(
    PreviewEmailEMLRequest previewEmailEMLRequest,
@@ -18,7 +18,7 @@ class PreviewEmailFromEmlFileInteractor {
    try {
      yield Right<Failure, Success>(PreviewingEmailFromEmlFile());

-      final previewEMLContent = await _emailRepository
+      final previewEMLContent = await _downloadRepository
        .generatePreviewEmailEMLContent(previewEmailEMLRequest);

      final emlPreviewer = EMLPreviewer(
@@ -29,13 +29,22 @@ class PreviewEmailFromEmlFileInteractor {

      if (PlatformInfo.isWeb) {
        if (previewEmailEMLRequest.isShared) {
-          await _emailRepository.sharePreviewEmailEMLContent(emlPreviewer);
+          await _downloadRepository.sharePreviewEmailEMLContent(emlPreviewer);
        } else {
-          await _emailRepository.storePreviewEMLContentToSessionStorage(emlPreviewer);
+          await _downloadRepository.storePreviewEMLContentToSessionStorage(
+            emlPreviewer,
+          );
        }
      }

-      yield Right<Failure, Success>(PreviewEmailFromEmlFileSuccess(emlPreviewer));
+      yield Right<Failure, Success>(
+        PreviewEmailFromEmlFileSuccess(
+          emlPreviewer,
+          previewEmailEMLRequest.accountId,
+          previewEmailEMLRequest.session,
+          previewEmailEMLRequest.ownEmailAddress,
+        ),
+      );
    } catch (e) {
      yield Left<Failure, Success>(PreviewEmailFromEmlFileFailure(e));
    }
@@ -1,18 +1,18 @@
 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/email/domain/repository/email_repository.dart';
 import 'package:tmail_ui_user/features/email/domain/state/remove_preview_email_eml_content_shared_state.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/download_repository.dart';

 class RemovePreviewEmailEmlContentSharedInteractor {
-  final EmailRepository _emailRepository;
+  final DownloadRepository _downloadRepository;

-  const RemovePreviewEmailEmlContentSharedInteractor(this._emailRepository);
+  const RemovePreviewEmailEmlContentSharedInteractor(this._downloadRepository);

  Stream<Either<Failure, Success>> execute(String keyStored) async* {
    try {
      yield Right<Failure, Success>(RemovingPreviewEmailEMLContentShared());
-      await _emailRepository.removePreviewEmailEMLContentShared(keyStored);
+      await _downloadRepository.removePreviewEmailEMLContentShared(keyStored);
      yield Right<Failure, Success>(RemovePreviewEmailEMLContentSharedSuccess());
    } catch (e) {
      yield Left<Failure, Success>(RemovePreviewEmailEMLContentSharedFailure(e));
@@ -3,11 +3,8 @@ import 'package:jmap_dart_client/jmap/mail/email/email.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/export_all_attachments_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/export_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_email_content_interactor.dart';
-import 'package:tmail_ui_user/features/email/domain/usecases/get_html_content_from_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_email_read_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_star_email_interactor.dart';
-import 'package:tmail_ui_user/features/email/domain/usecases/parse_email_by_blob_id_interactor.dart';
-import 'package:tmail_ui_user/features/email/domain/usecases/preview_email_from_eml_file_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/print_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/store_opened_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/presentation/bindings/email_interactor_bindings.dart';
@@ -30,9 +27,6 @@ class EmailBindings extends Bindings {
      Get.find<GetAllIdentitiesInteractor>(),
      Get.find<StoreOpenedEmailInteractor>(),
      Get.find<PrintEmailInteractor>(),
-      Get.find<ParseEmailByBlobIdInteractor>(),
-      Get.find<PreviewEmailFromEmlFileInteractor>(),
-      Get.find<GetHtmlContentFromAttachmentInteractor>(),
      Get.find<ExportAllAttachmentsInteractor>(),
      currentEmailId: currentEmailId,
    ), tag: tag);
@@ -16,18 +16,14 @@ import 'package:tmail_ui_user/features/email/data/local/html_analyzer.dart';
 import 'package:tmail_ui_user/features/email/data/network/email_api.dart';
 import 'package:tmail_ui_user/features/email/data/repository/email_repository_impl.dart';
 import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
-import 'package:tmail_ui_user/features/email/domain/usecases/download_attachment_for_web_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/export_all_attachments_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/export_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_email_content_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_entire_message_as_document_interactor.dart';
-import 'package:tmail_ui_user/features/email/domain/usecases/get_html_content_from_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_stored_email_state_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_email_read_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_star_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/move_to_mailbox_interactor.dart';
-import 'package:tmail_ui_user/features/email/domain/usecases/parse_email_by_blob_id_interactor.dart';
-import 'package:tmail_ui_user/features/email/domain/usecases/preview_email_from_eml_file_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/print_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/store_opened_email_interactor.dart';
 import 'package:tmail_ui_user/features/login/domain/repository/account_repository.dart';
@@ -126,13 +122,7 @@ class EmailInteractorBindings extends InteractorsBindings {
    Get.lazyPut(() => GetStoredEmailStateInteractor(Get.find<EmailRepository>()));
    Get.lazyPut(() => StoreOpenedEmailInteractor(Get.find<EmailRepository>()));
    Get.lazyPut(() => PrintEmailInteractor(Get.find<EmailRepository>()));
-    Get.lazyPut(() => ParseEmailByBlobIdInteractor(Get.find<EmailRepository>()));
-    Get.lazyPut(() => PreviewEmailFromEmlFileInteractor(Get.find<EmailRepository>()));
    IdentityInteractorsBindings().dependencies();
-    Get.lazyPut(() => GetHtmlContentFromAttachmentInteractor(
-      Get.find<DownloadAttachmentForWebInteractor>(),
-      Get.find<EmailRepository>(),
-    ));
    Get.lazyPut(() => ExportAllAttachmentsInteractor(
      Get.find<EmailRepository>(),
      Get.find<AccountRepository>(),
@@ -2,15 +2,11 @@ import 'dart:async';
 import 'dart:io';

 import 'package:core/core.dart';
-import 'package:core/presentation/utils/html_transformer/dom/sanitize_hyper_link_tag_in_html_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/text/new_line_transformer.dart';
 import 'package:core/presentation/utils/html_transformer/text/sanitize_autolink_unescape_html_transformer.dart';
-import 'package:core/presentation/utils/html_transformer/text/standardize_html_sanitizing_transformers.dart';
-import 'package:core/utils/html/html_utils.dart';
 import 'package:dartz/dartz.dart';
 import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_file_dialog/flutter_file_dialog.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
@@ -36,12 +32,10 @@ import 'package:tmail_ui_user/features/base/base_controller.dart';
 import 'package:tmail_ui_user/features/base/mixin/app_loader_mixin.dart';
 import 'package:tmail_ui_user/features/base/mixin/message_dialog_action_manager.dart';
 import 'package:tmail_ui_user/features/base/state/button_state.dart';
-import 'package:tmail_ui_user/features/email/domain/exceptions/email_exceptions.dart';
 import 'package:tmail_ui_user/features/email/domain/extensions/list_attachments_extension.dart';
 import 'package:tmail_ui_user/features/email/domain/model/detailed_email.dart';
 import 'package:tmail_ui_user/features/email/domain/model/event_action.dart';
 import 'package:tmail_ui_user/features/email/domain/model/mark_read_action.dart';
-import 'package:tmail_ui_user/features/email/domain/model/preview_email_eml_request.dart';
 import 'package:tmail_ui_user/features/email/domain/model/send_receipt_to_sender_request.dart';
 import 'package:tmail_ui_user/features/email/domain/model/view_entire_message_request.dart';
 import 'package:tmail_ui_user/features/email/domain/state/calendar_event_accept_state.dart';
@@ -54,13 +48,9 @@ import 'package:tmail_ui_user/features/email/domain/state/export_all_attachments
 import 'package:tmail_ui_user/features/email/domain/state/export_attachment_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/get_email_content_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/get_entire_message_as_document_state.dart';
-import 'package:tmail_ui_user/features/email/domain/state/get_html_content_from_attachment_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/mark_as_email_read_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/mark_as_email_star_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/parse_calendar_event_state.dart';
-import 'package:tmail_ui_user/features/email/domain/state/parse_email_by_blob_id_state.dart';
-import 'package:tmail_ui_user/features/email/domain/state/preview_email_from_eml_file_state.dart';
-import 'package:tmail_ui_user/features/email/domain/state/preview_pdf_file_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/print_email_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/send_receipt_to_sender_state.dart';
 import 'package:tmail_ui_user/features/email/domain/state/unsubscribe_email_state.dart';
@@ -71,13 +61,10 @@ import 'package:tmail_ui_user/features/email/domain/usecases/export_all_attachme
 import 'package:tmail_ui_user/features/email/domain/usecases/export_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_email_content_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_entire_message_as_document_interactor.dart';
-import 'package:tmail_ui_user/features/email/domain/usecases/get_html_content_from_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_email_read_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_star_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/maybe_calendar_event_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/parse_calendar_event_interactor.dart';
-import 'package:tmail_ui_user/features/email/domain/usecases/parse_email_by_blob_id_interactor.dart';
-import 'package:tmail_ui_user/features/email/domain/usecases/preview_email_from_eml_file_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/print_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/send_receipt_to_sender_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/store_opened_email_interactor.dart';
@@ -87,8 +74,8 @@ import 'package:tmail_ui_user/features/email/presentation/bindings/mdn_interacto
 import 'package:tmail_ui_user/features/email/presentation/extensions/attachment_extension.dart';
 import 'package:tmail_ui_user/features/email/presentation/extensions/calendar_attendee_extension.dart';
 import 'package:tmail_ui_user/features/email/presentation/extensions/calendar_organizer_extension.dart';
-import 'package:tmail_ui_user/features/email/presentation/extensions/handle_open_attachment_list_extension.dart';
 import 'package:tmail_ui_user/features/email/presentation/extensions/handle_mail_action_by_shortcut_action_extension.dart';
+import 'package:tmail_ui_user/features/email/presentation/extensions/handle_open_attachment_list_extension.dart';
 import 'package:tmail_ui_user/features/email/presentation/extensions/update_attendance_status_extension.dart';
 import 'package:tmail_ui_user/features/email/presentation/model/blob_calendar_event.dart';
 import 'package:tmail_ui_user/features/email/presentation/model/composer_arguments.dart';
@@ -97,15 +84,13 @@ import 'package:tmail_ui_user/features/email/presentation/model/email_unsubscrib
 import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.dart';
 import 'package:tmail_ui_user/features/email/presentation/utils/email_action_reactor/email_action_reactor.dart';
 import 'package:tmail_ui_user/features/email/presentation/utils/email_utils.dart';
-import 'package:tmail_ui_user/features/email/presentation/widgets/html_attachment_previewer.dart';
-import 'package:tmail_ui_user/features/email/presentation/widgets/pdf_viewer/pdf_viewer.dart';
-import 'package:tmail_ui_user/features/email_previewer/email_previewer_dialog_view.dart';
 import 'package:tmail_ui_user/features/home/data/exceptions/session_exceptions.dart';
 import 'package:tmail_ui_user/features/home/domain/extensions/session_extensions.dart';
 import 'package:tmail_ui_user/features/mailbox/presentation/action/mailbox_ui_action.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/action/download_ui_action.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/extensions/handle_download_extension.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/extensions/handle_preview_attachment_extension.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/extensions/open_and_close_composer_extension.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/extensions/update_current_emails_flags_extension.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/model/dashboard_routes.dart';
@@ -133,8 +118,6 @@ import 'package:tmail_ui_user/main/utils/app_utils.dart';
 class SingleEmailController extends BaseController with AppLoaderMixin {

  final mailboxDashBoardController = Get.find<MailboxDashBoardController>();
-  final _downloadManager = Get.find<DownloadManager>();
-  final _printUtils = Get.find<PrintUtils>();

  final GetEmailContentInteractor _getEmailContentInteractor;
  final MarkAsEmailReadInteractor _markAsEmailReadInteractor;
@@ -143,9 +126,6 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
  final GetAllIdentitiesInteractor _getAllIdentitiesInteractor;
  final StoreOpenedEmailInteractor _storeOpenedEmailInteractor;
  final PrintEmailInteractor _printEmailInteractor;
-  final ParseEmailByBlobIdInteractor _parseEmailByBlobIdInteractor;
-  final PreviewEmailFromEmlFileInteractor _previewEmailFromEmlFileInteractor;
-  final GetHtmlContentFromAttachmentInteractor _getHtmlContentFromAttachmentInteractor;
  final ExportAllAttachmentsInteractor _exportAllAttachmentsInteractor;
  final EmailId? _currentEmailId;

@@ -218,9 +198,6 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
    this._getAllIdentitiesInteractor,
    this._storeOpenedEmailInteractor,
    this._printEmailInteractor,
-    this._parseEmailByBlobIdInteractor,
-    this._previewEmailFromEmlFileInteractor,
-    this._getHtmlContentFromAttachmentInteractor,
    this._exportAllAttachmentsInteractor, {
    EmailId? currentEmailId,
  }) : _currentEmailId = currentEmailId;
@@ -281,24 +258,6 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
      _handlePrintEmailSuccess(success);
    } else if (success is CalendarEventReplySuccess) {
      calendarEventSuccess(success);
-    } else if (success is ParseEmailByBlobIdSuccess) {
-      _handleParseEmailByBlobIdSuccess(success);
-    } else if (success is PreviewEmailFromEmlFileSuccess) {
-      _handlePreviewEmailFromEMLFileSuccess(success);
-    } else if (success is GetHtmlContentFromAttachmentSuccess) {
-      _updateAttachmentsViewState(success.attachment.blobId, Right(success));
-      Get.dialog(HtmlAttachmentPreviewer(
-        title: success.htmlAttachmentTitle,
-        htmlContent: success.sanitizedHtmlContent,
-        mailToClicked: openMailToLink,
-        downloadAttachmentClicked: () {
-          if (currentContext == null || attachments.isEmpty) return;
-          handleDownloadAttachmentAction(success.attachment);
-        },
-        responsiveUtils: responsiveUtils,
-      ));
-    } else if (success is GettingHtmlContentFromAttachment) {
-      _updateAttachmentsViewState(success.attachment.blobId, Right(success));
    } else {
      super.handleSuccessViewState(success);
    }
@@ -320,14 +279,6 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
      _showMessageWhenEmailPrintingFailed(failure);
    } else if (failure is CalendarEventReplyFailure) {
      _calendarEventFailure(failure);
-    } else if (failure is ParseEmailByBlobIdFailure) {
-      _handleParseEmailByBlobIdFailure(failure);
-    } else if (failure is PreviewEmailFromEmlFileFailure) {
-      _handlePreviewEmailFromEMLFileFailure(failure);
-    } else if (failure is GetHtmlContentFromAttachmentFailure) {
-      _handleGetHtmlContentFromAttachmentFailure(failure);
-    } else if (failure is PreviewPDFFileFailure) {
-      _handlePreviewPDFFileFailure(failure);
    } else {
      super.handleFailureViewState(failure);
    }
@@ -427,7 +378,7 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
      mailboxDashBoardController.downloadController.downloadUIAction,
      (action) {
        if (action is UpdateAttachmentsViewStateAction) {
-          _updateAttachmentsViewState(action.blobId, Right(action.success));
+          _updateAttachmentsViewState(action.blobId, action.viewState);
        }
      },
    ));
@@ -921,20 +872,13 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
    return isDownloadAllSupported() && attachments.length > 1;
  }

-  void _downloadPDFFile(Uint8List bytes, String fileName) {
-    _downloadManager.createAnchorElementDownloadFileWeb(bytes, fileName);
-  }
-
-  void _printPDFFile(Uint8List bytes, String fileName) async {
-    await _printUtils.printPDFFile(bytes, fileName);
-  }
-
  void _updateAttachmentsViewState(
    Id? attachmentBlobId,
-    Either<Failure, Success> viewState) {
-      if (attachmentBlobId != null) {
-        attachmentsViewState[attachmentBlobId] = viewState;
-      }
+    Either<Failure, Success> viewState,
+  ) {
+    if (attachmentBlobId != null) {
+      attachmentsViewState[attachmentBlobId] = viewState;
+    }
  }

  void moveToMailbox(PresentationEmail email) async {
@@ -1156,23 +1100,8 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
    );
  }

-  Future<void> openMailToLink(Uri? uri) async {
-    if (uri == null) return;
-    
-    final navigationRouter = RouteUtils.generateNavigationRouterFromMailtoLink(uri.toString());
-    log('SingleEmailController::openMailToLink(): ${uri.toString()}');
-    if (!RouteUtils.canOpenComposerFromNavigationRouter(navigationRouter)) return;
-
-    mailboxDashBoardController.openComposer(
-      ComposerArguments.fromMailtoUri(
-        listEmailAddress: navigationRouter.listEmailAddress,
-        cc: navigationRouter.cc,
-        bcc: navigationRouter.bcc,
-        subject: navigationRouter.subject,
-        body: navigationRouter.body
-      )
-    );
-  }
+  Future<void> openMailToLink(Uri? uri) =>
+      mailboxDashBoardController.openMailToLink(uri);

  void deleteEmailPermanently(PresentationEmail email) {
    emailActionReactor.deleteEmailPermanently(
@@ -1697,7 +1626,7 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
    } else if (PlatformInfo.isMobile) {
      exportAttachment(attachment);
    } else {
-      log('EmailView::handleDownloadAttachmentAction: THE PLATFORM IS SUPPORTED');
+      log('$runtimeType::handleDownloadAttachmentAction: THE PLATFORM IS SUPPORTED');
    }
  }

@@ -1715,258 +1644,18 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
  }

  void handleViewAttachmentAction(BuildContext context, Attachment attachment) {
-    if (PlatformInfo.isWeb && PlatformInfo.isCanvasKit && attachment.isPDFFile) {
-      previewPDFFileAction(context, attachment);
-    } else if (attachment.isEMLFile) {
-      previewEMLFileAction(attachment.blobId, AppLocalizations.of(context));
-    } else if (attachment.isHTMLFile) {
-      final attachmentEvaluation = evaluateAttachment(attachment);
-      if (!attachmentEvaluation.canDownloadAttachment) {
-        consumeState(Stream.value(Left(GetHtmlContentFromAttachmentFailure(
-          exception: null,
-          attachment: attachment,
-        ))));
-        return;
-      }
-
-      consumeState(_getHtmlContentFromAttachmentInteractor.execute(
-        attachmentEvaluation.accountId!,
-        attachment,
-        DownloadTaskId(attachmentEvaluation.blobId!.value),
-        attachmentEvaluation.downloadUrl!,
-        TransformConfiguration.create(
-          customDomTransformers: [SanitizeHyperLinkTagInHtmlTransformer()],
-          customTextTransformers: [const StandardizeHtmlSanitizingTransformers()],
-        ),
-      ));
-    } else {
-      handleDownloadAttachmentAction(
-        attachment,
-        previewerSupported: attachmentPreviewSupported(attachment),
-      );
-    }
-  }
-
-  bool attachmentPreviewSupported(Attachment attachment) {
-    return attachment.isImage || attachment.isText || attachment.isJson;
-  }
-
-  ({
-    bool canDownloadAttachment,
-    AccountId? accountId,
-    String? downloadUrl,
-    Id? blobId,
-  }) evaluateAttachment(
-    Attachment attachment,
-  ) {
-    final accountId = mailboxDashBoardController.accountId.value;
-    dynamic downloadUrl;
-    try {
-      downloadUrl = mailboxDashBoardController.sessionCurrent
-        ?.getDownloadUrl(jmapUrl: dynamicUrlInterceptors.jmapUrl);
-    } catch (e) {
-      logError('SingleEmailController::_getEmailContentAction(): $e');
-      downloadUrl = null;
-    }
-    final blobId = attachment.blobId;
-
-    if (accountId == null || downloadUrl == null || blobId == null) {
-      return (
-        canDownloadAttachment: false,
-        accountId: accountId,
-        downloadUrl: downloadUrl,
-        blobId: blobId,
-      );
-    }
-
-    return (
-      canDownloadAttachment: true,
-      accountId: accountId,
-      downloadUrl: downloadUrl,
-      blobId: blobId,
-    );
-  }
-
-  Future<void> previewPDFFileAction(BuildContext context, Attachment attachment) async {
-    if (accountId == null || session == null) {
-      appToast.showToastErrorMessage(
-        context,
-        AppLocalizations.of(context).noPreviewAvailable);
-      return;
-    }
-
-    try {
-      final downloadUrl = session!.getDownloadUrl(
-        jmapUrl: dynamicUrlInterceptors.jmapUrl,
-      );
-
-      await Get.generalDialog(
-        barrierColor: Colors.black.withValues(alpha: 0.8),
-        pageBuilder: (_, __, ___) {
-          return PointerInterceptor(
-            child: PDFViewer(
-              attachment: attachment,
-              accountId: accountId!,
-              downloadUrl: downloadUrl,
-              downloadAction: _downloadPDFFile,
-              printAction: _printPDFFile,
-            )
-          );
-        },
-      );
-    } catch (e) {
-      logError('SingleEmailController::previewPDFFileAction(): $e');
-      consumeState(Stream.value(Left(PreviewEmailFromEmlFileFailure(e))));
-    }
-  }
-
-  void previewEMLFileAction(Id? blobId, AppLocalizations appLocalizations) {
-    SmartDialog.showLoading(
-      msg: appLocalizations.loadingPleaseWait,
-      maskColor: Colors.black38,
-    );
-
-    if (accountId == null) {
-      consumeState(Stream.value(Left(ParseEmailByBlobIdFailure(NotFoundAccountIdException()))));
-      return;
-    }
-
-    if (blobId == null) {
-      consumeState(Stream.value(Left(ParseEmailByBlobIdFailure(NotFoundBlobIdException([])))));
-      return;
-    }
-
-    consumeState(_parseEmailByBlobIdInteractor.execute(accountId!, blobId));
-  }
-
-  void _handleParseEmailByBlobIdSuccess(ParseEmailByBlobIdSuccess success) {
-    if (session == null) {
-      consumeState(Stream.value(Left(PreviewEmailFromEmlFileFailure(NotFoundSessionException()))));
-      return;
-    }
-
-    if (accountId == null) {
-      consumeState(Stream.value(Left(PreviewEmailFromEmlFileFailure(NotFoundAccountIdException()))));
-      return;
-    }
-
-    if (currentContext == null) {
-      consumeState(Stream.value(Left(PreviewEmailFromEmlFileFailure(NotFoundContextException()))));
-      return;
-    }
-
-    try {
-      consumeState(_previewEmailFromEmlFileInteractor.execute(
-        PreviewEmailEMLRequest(
-          accountId: accountId!,
-          ownEmailAddress: ownEmailAddress,
-          blobId: success.blobId,
-          email: success.email,
-          locale: Localizations.localeOf(currentContext!),
-          appLocalizations: AppLocalizations.of(currentContext!),
-          baseDownloadUrl: session!.getDownloadUrl(jmapUrl: dynamicUrlInterceptors.jmapUrl),
-        ),
-      ));
-    } catch (e) {
-      logError('SingleEmailController::_handleParseEmailByBlobIdSuccess(): $e');
-      consumeState(Stream.value(Left(PreviewEmailFromEmlFileFailure(e))));
-    }
-  }
-
-  void _handleParseEmailByBlobIdFailure(ParseEmailByBlobIdFailure failure) {
-    SmartDialog.dismiss();
-    toastManager.showMessageFailure(failure);
-  }
-
-  void _handlePreviewPDFFileFailure(PreviewPDFFileFailure failure) {
-    SmartDialog.dismiss();
-    toastManager.showMessageFailure(failure);
-  }
-
-  void _handlePreviewEmailFromEMLFileFailure(PreviewEmailFromEmlFileFailure failure) {
-    SmartDialog.dismiss();
-    toastManager.showMessageFailure(failure);
-  }
-
-  void _handlePreviewEmailFromEMLFileSuccess(PreviewEmailFromEmlFileSuccess success) {
-    SmartDialog.dismiss();
-
-    if (PlatformInfo.isWeb) {
-      bool isOpen = HtmlUtils.openNewWindowByUrl(
-        RouteUtils.createUrlWebLocationBar(
-          AppRoutes.emailEMLPreviewer,
-          previewId: success.emlPreviewer.id
-        ).toString(),
-      );
-
-      if (!isOpen) {
-        toastManager.showMessageFailure(PreviewEmailFromEmlFileFailure(CannotOpenNewWindowException()));
-      }
-    } else if (PlatformInfo.isMobile) {
-      if (currentContext == null) {
-        toastManager.showMessageFailure(PreviewEmailFromEmlFileFailure(NotFoundContextException()));
-        return;
-      }
-
-      if (PlatformInfo.isAndroid) {
-        showModalSheetToPreviewEMLAttachment(
-          currentContext!,
-          success.emlPreviewer,
-        );
-      } if (PlatformInfo.isIOS) {
-        showDialogToPreviewEMLAttachment(
-          currentContext!,
-          success.emlPreviewer,
-        );
-      }
-    }
-  }
-
-  void showModalSheetToPreviewEMLAttachment(
-    BuildContext context,
-    EMLPreviewer emlPreviewer,
-  ) {
-    showModalBottomSheet(
+    mailboxDashBoardController.previewAttachmentAction(
      context: context,
-      showDragHandle: true,
-      useSafeArea: true,
-      isScrollControlled: true,
-      shape: const RoundedRectangleBorder(
-        borderRadius: BorderRadius.only(
-          topLeft: Radius.circular(20.0),
-          topRight: Radius.circular(20.0),
-        ),
-      ),
-      builder: (_) {
-        return DraggableScrollableSheet(
-          initialChildSize: 1.0,
-          builder: (context, ___) => EmailPreviewerDialogView(
-            emlPreviewer: emlPreviewer,
-            imagePaths: imagePaths,
-            onMailtoDelegateAction: openMailToLink,
-            onPreviewEMLDelegateAction: (uri) => _openEMLPreviewer(context, uri),
-            onDownloadAttachmentDelegateAction: (uri) =>
-                _downloadAttachmentInEMLPreview(uri),
-          ),
+      attachment: attachment,
+      onDownloadAttachment: (attachment) {
+        handleDownloadAttachmentAction(
+          attachment,
+          previewerSupported: attachment.isPreviewSupported,
        );
      },
    );
  }

-  void showDialogToPreviewEMLAttachment(BuildContext context, EMLPreviewer emlPreviewer) {
-    Get.dialog(
-      EmailPreviewerDialogView(
-        emlPreviewer: emlPreviewer,
-        imagePaths: imagePaths,
-        onMailtoDelegateAction: openMailToLink,
-        onPreviewEMLDelegateAction: (uri) => _openEMLPreviewer(context, uri),
-        onDownloadAttachmentDelegateAction: (uri) =>
-            _downloadAttachmentInEMLPreview(uri),
-      ),
-      barrierColor: AppColor.colorDefaultCupertinoActionSheet,
-    );
-  }
-
  Future<void> _openEMLPreviewer(BuildContext context, Uri? uri) async {
    log('SingleEmailController::_openEMLPreviewer:uri = $uri');
    if (uri == null) return;
@@ -1975,7 +1664,10 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
    log('SingleEmailController::_openEMLPreviewer:blobId = $blobId');
    if (blobId.isEmpty) return;

-    previewEMLFileAction(Id(blobId), AppLocalizations.of(context));
+    mailboxDashBoardController.previewEMLFileAction(
+      appLocalizations: AppLocalizations.of(context),
+      blobId: Id(blobId),
+    );
  }

  Future<void> _downloadAttachmentInEMLPreview(Uri? uri) async {
@@ -2009,15 +1701,6 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
    );
  }

-  void _handleGetHtmlContentFromAttachmentFailure(GetHtmlContentFromAttachmentFailure failure) {
-    _updateAttachmentsViewState(failure.attachment.blobId, Left(failure));
-    if (currentOverlayContext != null && currentContext != null) {
-      appToast.showToastErrorMessage(
-        currentOverlayContext!,
-        AppLocalizations.of(currentContext!).thisHtmlAttachmentCannotBePreviewed);
-    }
-  }
-
  void onHtmlContentClippedAction(bool isClipped) {
    log('SingleEmailController::onHtmlContentClippedAction:isClipped = $isClipped');
    isEmailContentClipped.value = isClipped;
@@ -2054,13 +1737,17 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
      onSuccess: (success) {
        SmartDialog.dismiss();

-        showDialogToPreviewEMLAttachment(
-          context,
-          EMLPreviewer(
+        mailboxDashBoardController.showDialogToPreviewEMLAttachment(
+          context: context,
+          emlPreviewer: EMLPreviewer(
            id: presentationEmail.id?.asString ?? '',
            title: presentationEmail.subject ?? '',
            content: success.messageDocument,
          ),
+          imagePaths: imagePaths,
+          onMailtoAction: openMailToLink,
+          onPreviewAction: (uri) => _openEMLPreviewer(context, uri),
+          onDownloadAction: _downloadAttachmentInEMLPreview,
        );
      },
      onFailure: (_) {
@@ -48,4 +48,8 @@ extension AttachmentExtension on Attachment {

  bool get isJson => (type?.isJsonFile() ?? false)
    || name?.endsWith('.json') == true;
+
+  bool get isPreviewSupported {
+    return isImage || isText || isJson || isPDFFile || isEMLFile || isHTMLFile;
+  }
 }
@@ -0,0 +1,444 @@
+import 'dart:typed_data';
+
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
+import 'package:get/get.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:model/download/download_task_id.dart';
+import 'package:model/email/attachment.dart';
+import 'package:model/extensions/session_extension.dart';
+import 'package:pointer_interceptor/pointer_interceptor.dart';
+import 'package:tmail_ui_user/features/base/base_controller.dart';
+import 'package:tmail_ui_user/features/email/domain/exceptions/email_exceptions.dart';
+import 'package:tmail_ui_user/features/email/domain/model/preview_email_eml_request.dart';
+import 'package:tmail_ui_user/features/email/domain/state/get_html_content_from_attachment_state.dart';
+import 'package:tmail_ui_user/features/email/domain/state/parse_email_by_blob_id_state.dart';
+import 'package:tmail_ui_user/features/email/domain/state/preview_email_from_eml_file_state.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/get_html_content_from_attachment_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/parse_email_by_blob_id_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/preview_email_from_eml_file_interactor.dart';
+import 'package:tmail_ui_user/features/email/presentation/extensions/attachment_extension.dart';
+import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.dart';
+import 'package:tmail_ui_user/features/email/presentation/widgets/pdf_viewer/pdf_viewer.dart';
+import 'package:tmail_ui_user/features/email_previewer/email_previewer_dialog_view.dart';
+import 'package:tmail_ui_user/features/home/data/exceptions/session_exceptions.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+import 'package:tmail_ui_user/main/routes/app_routes.dart';
+import 'package:tmail_ui_user/main/routes/route_utils.dart';
+import 'package:tmail_ui_user/main/utils/toast_manager.dart';
+
+typedef OnDownloadAttachmentAction = void Function(Attachment attachment);
+
+mixin PreviewAttachmentMixin {
+  final DownloadManager _downloadManager = Get.find<DownloadManager>();
+  final PrintUtils _printUtils = Get.find<PrintUtils>();
+  final AppToast _appToast = Get.find<AppToast>();
+  final ToastManager _toastManager = Get.find<ToastManager>();
+  final DynamicUrlInterceptors _dynamicUrlInterceptors =
+      Get.find<DynamicUrlInterceptors>();
+
+  void previewAttachmentAction({
+    required BuildContext context,
+    required Attachment attachment,
+    required AccountId? accountId,
+    required Session? session,
+    required String ownEmailAddress,
+    required BaseController controller,
+    required ParseEmailByBlobIdInteractor parseEmailInteractor,
+    required GetHtmlContentFromAttachmentInteractor getHtmlInteractor,
+    required OnDownloadAttachmentAction onDownloadAttachment,
+  }) {
+    if (PlatformInfo.isWeb && attachment.isPDFFile) {
+      _previewPDFFile(
+        context: context,
+        attachment: attachment,
+        accountId: accountId,
+        session: session,
+      );
+    } else if (attachment.isEMLFile) {
+      previewEMLFileAction(
+        appLocalizations: AppLocalizations.of(context),
+        accountId: accountId,
+        session: session,
+        ownEmailAddress: ownEmailAddress,
+        blobId: attachment.blobId,
+        controller: controller,
+        parseEmailByBlobIdInteractor: parseEmailInteractor,
+      );
+    } else if (attachment.isHTMLFile) {
+      _previewHtmlFileAction(
+        session: session,
+        accountId: accountId,
+        attachment: attachment,
+        controller: controller,
+        getHtmlInteractor: getHtmlInteractor,
+      );
+    } else {
+      onDownloadAttachment(attachment);
+    }
+  }
+
+  Future<void> _previewPDFFile({
+    required BuildContext context,
+    required Attachment attachment,
+    required AccountId? accountId,
+    required Session? session,
+  }) async {
+    if (accountId == null || session == null) {
+      _appToast.showToastErrorMessage(
+        context,
+        AppLocalizations.of(context).noPreviewAvailable,
+      );
+      return;
+    }
+
+    try {
+      final downloadUrl = session.getDownloadUrl(
+        jmapUrl: _dynamicUrlInterceptors.jmapUrl,
+      );
+
+      await Get.generalDialog(
+        barrierColor: Colors.black.withValues(alpha: 0.8),
+        pageBuilder: (_, __, ___) {
+          return PointerInterceptor(
+            child: PDFViewer(
+              attachment: attachment,
+              accountId: accountId,
+              downloadUrl: downloadUrl,
+              downloadAction: _downloadPDFFile,
+              printAction: _printPDFFile,
+            ),
+          );
+        },
+      );
+    } catch (e) {
+      if (context.mounted) {
+        _appToast.showToastErrorMessage(
+          context,
+          AppLocalizations.of(context).noPreviewAvailable,
+        );
+      }
+    }
+  }
+
+  void _downloadPDFFile(Uint8List bytes, String fileName) {
+    _downloadManager.createAnchorElementDownloadFileWeb(bytes, fileName);
+  }
+
+  Future<void> _printPDFFile(Uint8List bytes, String fileName) async {
+    await _printUtils.printPDFFile(bytes, fileName);
+  }
+
+  void previewEMLFileAction({
+    required AppLocalizations appLocalizations,
+    required AccountId? accountId,
+    required Session? session,
+    required String ownEmailAddress,
+    required Id? blobId,
+    required ParseEmailByBlobIdInteractor parseEmailByBlobIdInteractor,
+    required BaseController controller,
+  }) {
+    SmartDialog.showLoading(
+      msg: appLocalizations.loadingPleaseWait,
+      maskColor: Colors.black38,
+    );
+
+    if (session == null) {
+      _emitFailure(
+        controller: controller,
+        failure: ParseEmailByBlobIdFailure(NotFoundSessionException()),
+      );
+      return;
+    }
+
+    if (accountId == null) {
+      _emitFailure(
+        controller: controller,
+        failure: ParseEmailByBlobIdFailure(NotFoundAccountIdException()),
+      );
+      return;
+    }
+
+    if (blobId == null) {
+      _emitFailure(
+        controller: controller,
+        failure: ParseEmailByBlobIdFailure(NotFoundBlobIdException([])),
+      );
+      return;
+    }
+
+    controller.consumeState(
+      parseEmailByBlobIdInteractor.execute(
+        accountId,
+        session,
+        ownEmailAddress,
+        blobId,
+      ),
+    );
+  }
+
+  ({
+    bool canDownloadAttachment,
+    AccountId? accountId,
+    String? downloadUrl,
+    Id? blobId,
+  }) evaluateAttachment({
+    required Session? session,
+    required AccountId? accountId,
+    required Attachment attachment,
+  }) {
+    String? downloadUrl;
+    try {
+      downloadUrl = session?.getDownloadUrl(
+        jmapUrl: _dynamicUrlInterceptors.jmapUrl,
+      );
+    } catch (e) {
+      downloadUrl = null;
+    }
+    final blobId = attachment.blobId;
+
+    if (accountId == null || downloadUrl == null || blobId == null) {
+      return (
+        canDownloadAttachment: false,
+        accountId: accountId,
+        downloadUrl: downloadUrl,
+        blobId: blobId,
+      );
+    }
+
+    return (
+      canDownloadAttachment: true,
+      accountId: accountId,
+      downloadUrl: downloadUrl,
+      blobId: blobId,
+    );
+  }
+
+  void _previewHtmlFileAction({
+    required Session? session,
+    required AccountId? accountId,
+    required Attachment attachment,
+    required BaseController controller,
+    required GetHtmlContentFromAttachmentInteractor getHtmlInteractor,
+  }) {
+    final attachmentEvaluation = evaluateAttachment(
+      accountId: accountId,
+      session: session,
+      attachment: attachment,
+    );
+
+    if (!attachmentEvaluation.canDownloadAttachment) {
+      _emitFailure(
+        controller: controller,
+        failure: GetHtmlContentFromAttachmentFailure(
+          exception: null,
+          attachment: attachment,
+        ),
+      );
+      return;
+    }
+
+    controller.consumeState(
+      getHtmlInteractor.execute(
+        attachmentEvaluation.accountId!,
+        attachment,
+        DownloadTaskId(attachmentEvaluation.blobId!.value),
+        attachmentEvaluation.downloadUrl!,
+        TransformConfiguration.create(
+          customDomTransformers: [SanitizeHyperLinkTagInHtmlTransformer()],
+          customTextTransformers: [
+            const StandardizeHtmlSanitizingTransformers()
+          ],
+        ),
+      ),
+    );
+  }
+
+  void _emitFailure({
+    required BaseController controller,
+    required FeatureFailure failure,
+  }) {
+    controller.consumeState(Stream.value(Left(failure)));
+  }
+
+  void handleParseEmailByBlobIdSuccess({
+    required BuildContext? context,
+    required AccountId? accountId,
+    required Session? session,
+    required String ownEmailAddress,
+    required Id blobId,
+    required Email email,
+    required BaseController controller,
+    required PreviewEmailFromEmlFileInteractor previewInteractor,
+  }) {
+    if (session == null) {
+      _emitFailure(
+        controller: controller,
+        failure: PreviewEmailFromEmlFileFailure(NotFoundSessionException()),
+      );
+      return;
+    }
+
+    if (accountId == null) {
+      _emitFailure(
+        controller: controller,
+        failure: PreviewEmailFromEmlFileFailure(NotFoundAccountIdException()),
+      );
+      return;
+    }
+
+    if (context == null) {
+      _emitFailure(
+        controller: controller,
+        failure: PreviewEmailFromEmlFileFailure(NotFoundContextException()),
+      );
+      return;
+    }
+
+    try {
+      controller.consumeState(previewInteractor.execute(
+        PreviewEmailEMLRequest(
+          accountId: accountId,
+          session: session,
+          ownEmailAddress: ownEmailAddress,
+          blobId: blobId,
+          email: email,
+          locale: Localizations.localeOf(context),
+          appLocalizations: AppLocalizations.of(context),
+          baseDownloadUrl: session.getDownloadUrl(
+            jmapUrl: _dynamicUrlInterceptors.jmapUrl,
+          ),
+        ),
+      ));
+    } catch (e) {
+      _emitFailure(
+        controller: controller,
+        failure: PreviewEmailFromEmlFileFailure(e),
+      );
+    }
+  }
+
+  void handleParseEmailByBlobIdFailure(ParseEmailByBlobIdFailure failure) {
+    SmartDialog.dismiss();
+    _toastManager.showMessageFailure(failure);
+  }
+
+  void handlePreviewEmailFromEMLFileFailure(
+    PreviewEmailFromEmlFileFailure failure,
+  ) {
+    SmartDialog.dismiss();
+    _toastManager.showMessageFailure(failure);
+  }
+
+  void handlePreviewEmailFromEMLFileSuccess({
+    required EMLPreviewer emlPreviewer,
+    required BuildContext? context,
+    required ImagePaths imagePaths,
+    required OnMailtoDelegateAction onMailtoAction,
+    required OnDownloadAttachmentDelegateAction onDownloadAction,
+    required OnPreviewEMLDelegateAction onPreviewAction,
+  }) {
+    SmartDialog.dismiss();
+
+    if (PlatformInfo.isWeb) {
+      bool isOpen = HtmlUtils.openNewWindowByUrl(
+        RouteUtils.createUrlWebLocationBar(
+          AppRoutes.emailEMLPreviewer,
+          previewId: emlPreviewer.id,
+        ).toString(),
+      );
+
+      if (!isOpen) {
+        _toastManager.showMessageFailure(
+          PreviewEmailFromEmlFileFailure(CannotOpenNewWindowException()),
+        );
+      }
+    } else if (PlatformInfo.isMobile) {
+      if (context == null) {
+        _toastManager.showMessageFailure(
+          PreviewEmailFromEmlFileFailure(NotFoundContextException()),
+        );
+        return;
+      }
+
+      if (PlatformInfo.isAndroid) {
+        showModalSheetToPreviewEMLAttachment(
+          context: context,
+          emlPreviewer: emlPreviewer,
+          imagePaths: imagePaths,
+          onMailtoAction: onMailtoAction,
+          onDownloadAction: onDownloadAction,
+          onPreviewAction: onPreviewAction,
+        );
+      } else if (PlatformInfo.isIOS) {
+        showDialogToPreviewEMLAttachment(
+          context: context,
+          emlPreviewer: emlPreviewer,
+          imagePaths: imagePaths,
+          onMailtoAction: onMailtoAction,
+          onDownloadAction: onDownloadAction,
+          onPreviewAction: onPreviewAction,
+        );
+      }
+    }
+  }
+
+  void showModalSheetToPreviewEMLAttachment({
+    required BuildContext context,
+    required EMLPreviewer emlPreviewer,
+    required ImagePaths imagePaths,
+    required OnMailtoDelegateAction onMailtoAction,
+    required OnDownloadAttachmentDelegateAction onDownloadAction,
+    required OnPreviewEMLDelegateAction onPreviewAction,
+  }) {
+    showModalBottomSheet(
+      context: context,
+      showDragHandle: true,
+      useSafeArea: true,
+      isScrollControlled: true,
+      shape: const RoundedRectangleBorder(
+        borderRadius: BorderRadius.only(
+          topLeft: Radius.circular(20.0),
+          topRight: Radius.circular(20.0),
+        ),
+      ),
+      builder: (_) {
+        return DraggableScrollableSheet(
+          initialChildSize: 1.0,
+          builder: (context, ___) => EmailPreviewerDialogView(
+            emlPreviewer: emlPreviewer,
+            imagePaths: imagePaths,
+            onMailtoDelegateAction: onMailtoAction,
+            onPreviewEMLDelegateAction: onPreviewAction,
+            onDownloadAttachmentDelegateAction: onDownloadAction,
+          ),
+        );
+      },
+    );
+  }
+
+  void showDialogToPreviewEMLAttachment({
+    required BuildContext context,
+    required EMLPreviewer emlPreviewer,
+    required ImagePaths imagePaths,
+    required OnMailtoDelegateAction onMailtoAction,
+    required OnDownloadAttachmentDelegateAction onDownloadAction,
+    required OnPreviewEMLDelegateAction onPreviewAction,
+  }) {
+    Get.dialog(
+      EmailPreviewerDialogView(
+        emlPreviewer: emlPreviewer,
+        imagePaths: imagePaths,
+        onMailtoDelegateAction: onMailtoAction,
+        onPreviewEMLDelegateAction: onPreviewAction,
+        onDownloadAttachmentDelegateAction: onDownloadAction,
+      ),
+      barrierColor: AppColor.colorDefaultCupertinoActionSheet,
+    );
+  }
+}