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

core/lib/core.dart

@@ -35,6 +35,8 @@ export 'presentation/utils/app_toast.dart';
 export 'presentation/utils/html_transformer/html_transform.dart';
 export 'presentation/utils/html_transformer/transform_configuration.dart';
 export 'presentation/utils/html_transformer/text/persist_preformatted_text_transformer.dart';
+export 'presentation/utils/html_transformer/text/standardize_html_sanitizing_transformers.dart';
+export 'presentation/utils/html_transformer/dom/sanitize_hyper_link_tag_in_html_transformers.dart';
 export 'data/utils/device_manager.dart';
 export 'utils/app_logger.dart';
 export 'utils/benchmark.dart';
@@ -56,6 +58,7 @@ export 'utils/mail/named_address.dart';
 export 'utils/application_manager.dart';
 export 'utils/preview_eml_file_utils.dart';
 export 'utils/logger/log_tracking.dart';
+export 'utils/html/html_utils.dart';
 
 // Views
 export 'presentation/views/text/slogan_builder.dart';

lib/features/email/data/repository/email_repository_impl.dart

@@ -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,

lib/features/email/domain/model/preview_email_eml_request.dart

@@ -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,

lib/features/email/domain/repository/email_repository.dart

@@ -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,

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

@@ -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);
-}
+}

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

@@ -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)
-  PreviewEmailFromEmlFileFailure(dynamic exception) : super(exception: exception);
+      : super(exception: exception);
-}
+}

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

@@ -1,6 +0,0 @@
-import 'package:core/presentation/state/failure.dart';
-
-class PreviewPDFFileFailure extends FeatureFailure {
-
-  PreviewPDFFileFailure(dynamic exception) : super(exception: exception);
-}

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

@@ -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,

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

@@ -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(
+      final sanitizedHtmlContent = await _downloadAttachmentForWebInteractor
-        htmlContent,
+          .downloadRepository
-        transformConfiguration,
+          .sanitizeHtmlContent(htmlContent, transformConfiguration);
-      );
+
       return Right(GetHtmlContentFromAttachmentSuccess(
         sanitizedHtmlContent: sanitizedHtmlContent,
         htmlAttachmentTitle: attachment.generateFileName(),

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

@@ -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));

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

@@ -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(

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

@@ -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),
+        _downloadRepository.removePreviewEmailEMLContentShared(emlPreviewer.id),
-        _emailRepository.storePreviewEMLContentToSessionStorage(emlPreviewer),
+        _downloadRepository.storePreviewEMLContentToSessionStorage(emlPreviewer),
       ]);
       yield Right<Failure, Success>(MovePreviewEmailEMLContentFromPersistentToMemorySuccess());
     } catch (e) {

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

@@ -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,
+        email: emailParsed.first,
-        blobId,
+        blobId: blobId,
+        session: session,
+        accountId: accountId,
+        ownEmailAddress: ownEmailAddress,
       ));
     } catch (e) {
       yield Left<Failure, Success>(ParseEmailByBlobIdFailure(e));
     }
   }
-}
+}

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

@@ -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));
     }

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

@@ -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));

lib/features/email/presentation/bindings/email_bindings.dart

@@ -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);

lib/features/email/presentation/bindings/email_interactor_bindings.dart

@@ -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>(),

lib/features/email/presentation/controller/single_email_controller.dart

@@ -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) {
+    Either<Failure, Success> viewState,
-      if (attachmentBlobId != null) {
+  ) {
-        attachmentsViewState[attachmentBlobId] = 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 {
+  Future<void> openMailToLink(Uri? uri) =>
-    if (uri == null) return;
+      mailboxDashBoardController.openMailToLink(uri);
-    
-    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
-      )
-    );
-  }
 
   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) {
+    mailboxDashBoardController.previewAttachmentAction(
-      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(
       context: context,
-      showDragHandle: true,
+      attachment: attachment,
-      useSafeArea: true,
+      onDownloadAttachment: (attachment) {
-      isScrollControlled: true,
+        handleDownloadAttachmentAction(
-      shape: const RoundedRectangleBorder(
+          attachment,
-        borderRadius: BorderRadius.only(
+          previewerSupported: attachment.isPreviewSupported,
-          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),
-          ),
         );
       },
     );
   }
 
-  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(
+        mailboxDashBoardController.showDialogToPreviewEMLAttachment(
-          context,
+          context: context,
-          EMLPreviewer(
+          emlPreviewer: EMLPreviewer(
             id: presentationEmail.id?.asString ?? '',
             title: presentationEmail.subject ?? '',
             content: success.messageDocument,
           ),
+          imagePaths: imagePaths,
+          onMailtoAction: openMailToLink,
+          onPreviewAction: (uri) => _openEMLPreviewer(context, uri),
+          onDownloadAction: _downloadAttachmentInEMLPreview,
         );
       },
       onFailure: (_) {

lib/features/email/presentation/extensions/attachment_extension.dart

@@ -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;
+  }
 }

lib/features/email/presentation/mixin/preview_attachment_mixin.dart

@@ -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,
+    );
+  }
+}

lib/features/email_previewer/email_previewer_bindings.dart

@@ -1,27 +1,5 @@
-
-import 'package:core/data/model/source_type/data_source_type.dart';
 import 'package:core/data/network/download/download_manager.dart';
-import 'package:core/presentation/resources/image_paths.dart';
-import 'package:core/utils/file_utils.dart';
-import 'package:core/utils/preview_eml_file_utils.dart';
-import 'package:core/utils/print_utils.dart';
 import 'package:get/get.dart';
-import 'package:tmail_ui_user/features/base/base_bindings.dart';
-import 'package:tmail_ui_user/features/caching/utils/local_storage_manager.dart';
-import 'package:tmail_ui_user/features/caching/utils/session_storage_manager.dart';
-import 'package:tmail_ui_user/features/email/data/datasource/email_datasource.dart';
-import 'package:tmail_ui_user/features/email/data/datasource/html_datasource.dart';
-import 'package:tmail_ui_user/features/email/data/datasource/print_file_datasource.dart';
-import 'package:tmail_ui_user/features/email/data/datasource_impl/email_datasource_impl.dart';
-import 'package:tmail_ui_user/features/email/data/datasource_impl/email_hive_cache_datasource_impl.dart';
-import 'package:tmail_ui_user/features/email/data/datasource_impl/email_local_storage_datasource_impl.dart';
-import 'package:tmail_ui_user/features/email/data/datasource_impl/email_session_storage_datasource_impl.dart';
-import 'package:tmail_ui_user/features/email/data/datasource_impl/html_datasource_impl.dart';
-import 'package:tmail_ui_user/features/email/data/datasource_impl/print_file_datasource_impl.dart';
-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/get_preview_email_eml_content_shared_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_preview_eml_content_in_memory_interactor.dart';
@@ -30,25 +8,14 @@ import 'package:tmail_ui_user/features/email/domain/usecases/parse_email_by_blob
 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/remove_preview_email_eml_content_shared_interactor.dart';
 import 'package:tmail_ui_user/features/email_previewer/email_previewer_controller.dart';
-import 'package:tmail_ui_user/features/mailbox/data/datasource/state_datasource.dart';
-import 'package:tmail_ui_user/features/mailbox/data/datasource_impl/state_datasource_impl.dart';
-import 'package:tmail_ui_user/features/mailbox/data/local/state_cache_manager.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/bindings/download_interactor_bindings.dart';
-import 'package:tmail_ui_user/features/offline_mode/manager/new_email_cache_manager.dart';
-import 'package:tmail_ui_user/features/offline_mode/manager/new_email_cache_worker_queue.dart';
-import 'package:tmail_ui_user/features/offline_mode/manager/opened_email_cache_manager.dart';
-import 'package:tmail_ui_user/features/offline_mode/manager/opened_email_cache_worker_queue.dart';
-import 'package:tmail_ui_user/features/offline_mode/manager/sending_email_cache_manager.dart';
-import 'package:tmail_ui_user/features/thread/data/local/email_cache_manager.dart';
-import 'package:tmail_ui_user/main/exceptions/cache_exception_thrower.dart';
-import 'package:tmail_ui_user/main/exceptions/remote_exception_thrower.dart';
-import 'package:tmail_ui_user/main/utils/ios_sharing_manager.dart';
-
-class EmailPreviewerBindings extends BaseBindings {
 
+class EmailPreviewerBindings extends Bindings {
   @override
-  void bindingsController() {
+  void dependencies() {
-    Get.lazyPut(() => EmailPreviewerController(
+    DownloadInteractorBindings().dependencies();
+    Get.lazyPut(
+      () => EmailPreviewerController(
         Get.find<GetPreviewEmailEMLContentSharedInteractor>(),
         Get.find<MovePreviewEmlContentFromPersistentToMemoryInteractor>(),
         Get.find<RemovePreviewEmailEmlContentSharedInteractor>(),
@@ -56,87 +23,8 @@ class EmailPreviewerBindings extends BaseBindings {
         Get.find<ParseEmailByBlobIdInteractor>(),
         Get.find<PreviewEmailFromEmlFileInteractor>(),
         Get.find<DownloadAttachmentForWebInteractor>(),
-        Get.find<DownloadManager>()));
+        Get.find<DownloadManager>(),
+      ),
+    );
   }
-
+}
-  @override
-  void bindingsDataSource() {
-    Get.lazyPut<EmailDataSource>(() => Get.find<EmailDataSourceImpl>());
-    Get.lazyPut<HtmlDataSource>(() => Get.find<HtmlDataSourceImpl>());
-    Get.lazyPut<StateDataSource>(() => Get.find<StateDataSourceImpl>());
-    Get.lazyPut<PrintFileDataSource>(() => Get.find<PrintFileDataSourceImpl>());
-  }
-
-  @override
-  void bindingsDataSourceImpl() {
-    Get.lazyPut(() => EmailDataSourceImpl(
-        Get.find<EmailAPI>(),
-        Get.find<RemoteExceptionThrower>()));
-    Get.lazyPut(() => HtmlDataSourceImpl(
-        Get.find<HtmlAnalyzer>(),
-        Get.find<CacheExceptionThrower>()));
-    Get.lazyPut(() => StateDataSourceImpl(
-        Get.find<StateCacheManager>(),
-        Get.find<IOSSharingManager>(),
-        Get.find<CacheExceptionThrower>()));
-    Get.lazyPut(() => PrintFileDataSourceImpl(
-        Get.find<PrintUtils>(),
-        Get.find<ImagePaths>(),
-        Get.find<FileUtils>(),
-        Get.find<HtmlAnalyzer>(),
-        Get.find<CacheExceptionThrower>()));
-    Get.lazyPut(() => EmailHiveCacheDataSourceImpl(
-        Get.find<NewEmailCacheManager>(),
-        Get.find<OpenedEmailCacheManager>(),
-        Get.find<NewEmailCacheWorkerQueue>(),
-        Get.find<OpenedEmailCacheWorkerQueue>(),
-        Get.find<EmailCacheManager>(),
-        Get.find<SendingEmailCacheManager>(),
-        Get.find<FileUtils>(),
-        Get.find<CacheExceptionThrower>()));
-    Get.lazyPut(() => EmailLocalStorageDataSourceImpl(
-        Get.find<LocalStorageManager>(),
-        Get.find<PreviewEmlFileUtils>(),
-        Get.find<CacheExceptionThrower>()));
-    Get.lazyPut(() => EmailSessionStorageDatasourceImpl(
-        Get.find<SessionStorageManager>(),
-        Get.find<CacheExceptionThrower>()));
-  }
-
-  @override
-  void bindingsInteractor() {
-    Get.lazyPut(() => GetPreviewEmailEMLContentSharedInteractor(
-        Get.find<EmailRepository>()));
-    Get.lazyPut(() => MovePreviewEmlContentFromPersistentToMemoryInteractor(
-        Get.find<EmailRepository>()));
-    Get.lazyPut(() => RemovePreviewEmailEmlContentSharedInteractor(
-        Get.find<EmailRepository>()));
-    Get.lazyPut(() => GetPreviewEmlContentInMemoryInteractor(
-        Get.find<EmailRepository>()));
-    Get.lazyPut(() => ParseEmailByBlobIdInteractor(
-        Get.find<EmailRepository>()));
-    Get.lazyPut(() => PreviewEmailFromEmlFileInteractor(
-        Get.find<EmailRepository>()));
-
-    DownloadInteractorBindings().dependencies();
-  }
-
-  @override
-  void bindingsRepository() {
-    Get.lazyPut<EmailRepository>(() => Get.find<EmailRepositoryImpl>());
-  }
-
-  @override
-  void bindingsRepositoryImpl() {
-    Get.lazyPut(() => EmailRepositoryImpl(
-        {
-          DataSourceType.network: Get.find<EmailDataSource>(),
-          DataSourceType.hiveCache: Get.find<EmailHiveCacheDataSourceImpl>(),
-          DataSourceType.local: Get.find<EmailLocalStorageDataSourceImpl>(),
-          DataSourceType.session: Get.find<EmailSessionStorageDatasourceImpl>(),
-        },
-        Get.find<HtmlDataSource>(),
-        Get.find<StateDataSource>(),
-        Get.find<PrintFileDataSource>()));
-  }
-}

lib/features/email_previewer/email_previewer_controller.dart

@@ -169,7 +169,12 @@ class EmailPreviewerController extends ReloadableController {
     _accountId = session.accountId;
 
     if (_keyStored != null) {
-      _parseEmailByBlobId(session.accountId, _keyStored!);
+      _parseEmailByBlobId(
+        accountId: _accountId!,
+        session: _session!,
+        ownEmailAddress: session.getOwnEmailAddressOrEmpty(),
+        blobId: _keyStored!,
+      );
     }
   }
 
@@ -244,9 +249,16 @@ class EmailPreviewerController extends ReloadableController {
     return uri.toString();
   }
 
-  void _parseEmailByBlobId(AccountId accountId, String blobId) {
+  void _parseEmailByBlobId({
+    required AccountId accountId,
+    required Session session,
+    required String ownEmailAddress,
+    required String blobId,
+  }) {
     consumeState(_parseEmailByBlobIdInteractor.execute(
       accountId,
+      session,
+      ownEmailAddress,
       Id(blobId),
     ));
   }
@@ -271,6 +283,7 @@ class EmailPreviewerController extends ReloadableController {
       consumeState(_previewEmailFromEmlFileInteractor.execute(
         PreviewEmailEMLRequest(
           accountId: _accountId!,
+          session: _session!,
           ownEmailAddress: _session!.getOwnEmailAddressOrUsername(),
           blobId: success.blobId,
           email: success.email,

lib/features/mailbox_dashboard/data/repository/download_repository_impl.dart

@@ -1,22 +1,32 @@
 import 'dart:async';
 import 'dart:typed_data';
 
-import 'package:core/presentation/state/failure.dart';
+import 'package:core/core.dart';
-import 'package:core/presentation/state/success.dart';
 import 'package:dartz/dartz.dart';
 import 'package:dio/dio.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/mail/email/email.dart';
 import 'package:model/account/account_request.dart';
 import 'package:model/download/download_task_id.dart';
 import 'package:model/email/attachment.dart';
+import 'package:tmail_ui_user/features/email/data/datasource/email_datasource.dart';
+import 'package:tmail_ui_user/features/email/data/datasource/html_datasource.dart';
+import 'package:tmail_ui_user/features/email/domain/model/preview_email_eml_request.dart';
+import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/data/datasource/download_datasource.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/download_repository.dart';
 
 class DownloadRepositoryImpl extends DownloadRepository {
-  final DownloadDatasource _datasource;
+  final DownloadDatasource _downloadDatasource;
+  final Map<DataSourceType, EmailDataSource> _emailDataSource;
+  final HtmlDataSource _htmlDataSource;
 
-  DownloadRepositoryImpl(this._datasource);
+  DownloadRepositoryImpl(
+    this._downloadDatasource,
+    this._emailDataSource,
+    this._htmlDataSource,
+  );
 
   @override
   Future<Uint8List> downloadAttachmentForWeb(
@@ -28,7 +38,7 @@ class DownloadRepositoryImpl extends DownloadRepository {
     StreamController<Either<Failure, Success>>? onReceiveController,
     CancelToken? cancelToken,
   }) {
-    return _datasource.downloadAttachmentForWeb(
+    return _downloadDatasource.downloadAttachmentForWeb(
       taskId,
       attachment,
       accountId,
@@ -50,7 +60,7 @@ class DownloadRepositoryImpl extends DownloadRepository {
     StreamController<Either<Failure, Success>>? onReceiveController,
     CancelToken? cancelToken,
   }) {
-    return _datasource.downloadAllAttachmentsForWeb(
+    return _downloadDatasource.downloadAllAttachmentsForWeb(
       accountId,
       emailId,
       baseDownloadAllUrl,
@@ -61,4 +71,64 @@ class DownloadRepositoryImpl extends DownloadRepository {
       cancelToken: cancelToken,
     );
   }
+
+  @override
+  Future<String> sanitizeHtmlContent(
+    String htmlContent,
+    TransformConfiguration configuration,
+  ) {
+    return _htmlDataSource.transformHtmlEmailContent(
+      htmlContent,
+      configuration,
+    );
+  }
+
+  @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> storePreviewEMLContentToSessionStorage(
+    EMLPreviewer emlPreviewer,
+  ) {
+    return _emailDataSource[DataSourceType.session]!
+        .storePreviewEMLContentToSessionStorage(emlPreviewer);
+  }
+
+  @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<EMLPreviewer> getPreviewEMLContentInMemory(String keyStored) {
+    return _emailDataSource[DataSourceType.session]!
+        .getPreviewEMLContentInMemory(keyStored);
+  }
 }

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

@@ -3,13 +3,17 @@ import 'dart:typed_data';
 
 import 'package:core/presentation/state/failure.dart';
 import 'package:core/presentation/state/success.dart';
+import 'package:core/presentation/utils/html_transformer/transform_configuration.dart';
 import 'package:dartz/dartz.dart';
 import 'package:dio/dio.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/mail/email/email.dart';
 import 'package:model/account/account_request.dart';
 import 'package:model/download/download_task_id.dart';
 import 'package:model/email/attachment.dart';
+import 'package:tmail_ui_user/features/email/domain/model/preview_email_eml_request.dart';
+import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.dart';
 
 abstract class DownloadRepository {
   Future<Uint8List> downloadAttachmentForWeb(
@@ -32,4 +36,27 @@ abstract class DownloadRepository {
     StreamController<Either<Failure, Success>>? onReceiveController,
     CancelToken? cancelToken,
   });
+
+  Future<String> sanitizeHtmlContent(
+    String htmlContent,
+    TransformConfiguration configuration,
+  );
+
+  Future<List<Email>> parseEmailByBlobIds(AccountId accountId, Set<Id> blobIds);
+
+  Future<String> generatePreviewEmailEMLContent(
+    PreviewEmailEMLRequest previewEmailEMLRequest,
+  );
+
+  Future<void> sharePreviewEmailEMLContent(EMLPreviewer emlPreviewer);
+
+  Future<void> storePreviewEMLContentToSessionStorage(
+    EMLPreviewer emlPreviewer,
+  );
+
+  Future<EMLPreviewer> getPreviewEmailEMLContentShared(String keyStored);
+
+  Future<void> removePreviewEmailEMLContentShared(String keyStored);
+
+  Future<EMLPreviewer> getPreviewEMLContentInMemory(String keyStored);
 }

lib/features/mailbox_dashboard/presentation/action/download_ui_action.dart

@@ -1,3 +1,6 @@
+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/core/id.dart';
 import 'package:model/email/attachment.dart';
 import 'package:tmail_ui_user/features/base/action/ui_action.dart';
@@ -12,13 +15,13 @@ class DownloadUIAction extends UIAction {
 }
 
 class UpdateAttachmentsViewStateAction extends DownloadUIAction {
-  UpdateAttachmentsViewStateAction(this.blobId, this.success);
+  UpdateAttachmentsViewStateAction(this.blobId, this.viewState);
 
   final Id? blobId;
-  final dynamic success;
+  final Either<Failure, Success> viewState;
 
   @override
-  List<Object?> get props => [blobId, success];
+  List<Object?> get props => [blobId, viewState];
 }
 
 class DownloadAttachmentsQuicklyAction extends DownloadUIAction {
@@ -29,3 +32,12 @@ class DownloadAttachmentsQuicklyAction extends DownloadUIAction {
   @override
   List<Object?> get props => [attachment];
 }
+
+class OpenMailtoLinkFromPreviewAttachmentAction extends DownloadUIAction {
+  OpenMailtoLinkFromPreviewAttachmentAction(this.uri);
+
+  final Uri? uri;
+
+  @override
+  List<Object?> get props => [uri];
+}

lib/features/mailbox_dashboard/presentation/bindings/download_interactor_bindings.dart

@@ -1,8 +1,25 @@
+import 'package:core/core.dart';
 import 'package:get/get.dart';
 import 'package:tmail_ui_user/features/base/interactors_bindings.dart';
+import 'package:tmail_ui_user/features/caching/utils/local_storage_manager.dart';
+import 'package:tmail_ui_user/features/caching/utils/session_storage_manager.dart';
+import 'package:tmail_ui_user/features/email/data/datasource/email_datasource.dart';
+import 'package:tmail_ui_user/features/email/data/datasource/html_datasource.dart';
+import 'package:tmail_ui_user/features/email/data/datasource_impl/email_datasource_impl.dart';
+import 'package:tmail_ui_user/features/email/data/datasource_impl/email_local_storage_datasource_impl.dart';
+import 'package:tmail_ui_user/features/email/data/datasource_impl/email_session_storage_datasource_impl.dart';
+import 'package:tmail_ui_user/features/email/data/datasource_impl/html_datasource_impl.dart';
+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/domain/usecases/download_all_attachments_for_web_interactor.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/get_html_content_from_attachment_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/get_preview_email_eml_content_shared_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/get_preview_eml_content_in_memory_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/move_preview_eml_content_from_persistent_to_memory_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/remove_preview_email_eml_content_shared_interactor.dart';
 import 'package:tmail_ui_user/features/login/domain/repository/account_repository.dart';
 import 'package:tmail_ui_user/features/login/domain/repository/authentication_oidc_repository.dart';
 import 'package:tmail_ui_user/features/login/domain/repository/credential_repository.dart';
@@ -10,6 +27,7 @@ import 'package:tmail_ui_user/features/mailbox_dashboard/data/datasource/downloa
 import 'package:tmail_ui_user/features/mailbox_dashboard/data/datasource_impl/download_datasource_impl.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/data/repository/download_repository_impl.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/download_repository.dart';
+import 'package:tmail_ui_user/main/exceptions/cache_exception_thrower.dart';
 import 'package:tmail_ui_user/main/exceptions/remote_exception_thrower.dart';
 
 class DownloadInteractorBindings extends InteractorsBindings {
@@ -21,6 +39,31 @@ class DownloadInteractorBindings extends InteractorsBindings {
         Get.find<RemoteExceptionThrower>(),
       ),
     );
+    Get.lazyPut(
+      () => EmailDataSourceImpl(
+        Get.find<EmailAPI>(),
+        Get.find<RemoteExceptionThrower>(),
+      ),
+    );
+    Get.lazyPut(
+      () => HtmlDataSourceImpl(
+        Get.find<HtmlAnalyzer>(),
+        Get.find<CacheExceptionThrower>(),
+      ),
+    );
+    Get.lazyPut(
+      () => EmailSessionStorageDatasourceImpl(
+        Get.find<SessionStorageManager>(),
+        Get.find<CacheExceptionThrower>(),
+      ),
+    );
+    Get.lazyPut(
+      () => EmailLocalStorageDataSourceImpl(
+        Get.find<LocalStorageManager>(),
+        Get.find<PreviewEmlFileUtils>(),
+        Get.find<CacheExceptionThrower>(),
+      ),
+    );
   }
 
   @override
@@ -41,6 +84,38 @@ class DownloadInteractorBindings extends InteractorsBindings {
         Get.find<CredentialRepository>(),
       ),
     );
+    Get.lazyPut(
+      () => ParseEmailByBlobIdInteractor(Get.find<DownloadRepository>()),
+    );
+    Get.lazyPut(
+      () => PreviewEmailFromEmlFileInteractor(Get.find<DownloadRepository>()),
+    );
+    Get.lazyPut(
+      () => GetHtmlContentFromAttachmentInteractor(
+        Get.find<DownloadAttachmentForWebInteractor>(),
+      ),
+    );
+    Get.lazyPut(
+      () => MovePreviewEmlContentFromPersistentToMemoryInteractor(
+        Get.find<DownloadRepository>(),
+      ),
+    );
+    Get.lazyPut(
+      () => RemovePreviewEmailEmlContentSharedInteractor(
+        Get.find<DownloadRepository>(),
+      ),
+    );
+
+    Get.lazyPut(
+      () => GetPreviewEmailEMLContentSharedInteractor(
+        Get.find<DownloadRepository>(),
+      ),
+    );
+    Get.lazyPut(
+      () => GetPreviewEmlContentInMemoryInteractor(
+        Get.find<DownloadRepository>(),
+      ),
+    );
   }
 
   @override
@@ -50,11 +125,23 @@ class DownloadInteractorBindings extends InteractorsBindings {
 
   @override
   void bindingsRepositoryImpl() {
-    Get.lazyPut(() => DownloadRepositoryImpl(Get.find<DownloadDatasource>()));
+    Get.lazyPut(
+      () => DownloadRepositoryImpl(
+        Get.find<DownloadDatasource>(),
+        {
+          DataSourceType.session: Get.find<EmailSessionStorageDatasourceImpl>(),
+          DataSourceType.local: Get.find<EmailLocalStorageDataSourceImpl>(),
+          DataSourceType.network: Get.find<EmailDataSource>(),
+        },
+        Get.find<HtmlDataSource>(),
+      ),
+    );
   }
 
   @override
   void bindingsDataSource() {
     Get.lazyPut<DownloadDatasource>(() => Get.find<DownloadDatasourceImpl>());
+    Get.lazyPut<EmailDataSource>(() => Get.find<EmailDataSourceImpl>());
+    Get.lazyPut<HtmlDataSource>(() => Get.find<HtmlDataSourceImpl>());
   }
 }

lib/features/mailbox_dashboard/presentation/bindings/mailbox_dashboard_bindings.dart

@@ -34,10 +34,13 @@ import 'package:tmail_ui_user/features/email/domain/usecases/delete_email_perman
 import 'package:tmail_ui_user/features/email/domain/usecases/delete_multiple_emails_permanently_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/download_all_attachments_for_web_interactor.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/get_html_content_from_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_restored_deleted_message_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/restore_deleted_message_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/unsubscribe_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/presentation/bindings/email_bindings.dart';
@@ -175,6 +178,9 @@ class MailboxDashBoardBindings extends BaseBindings {
       Get.find<DownloadAttachmentForWebInteractor>(),
       Get.find<DownloadAllAttachmentsForWebInteractor>(),
       Get.find<DownloadManager>(),
+      Get.find<ParseEmailByBlobIdInteractor>(),
+      Get.find<PreviewEmailFromEmlFileInteractor>(),
+      Get.find<GetHtmlContentFromAttachmentInteractor>(),
     ));
     Get.put(SearchController(
       Get.find<QuickSearchEmailInteractor>(),

lib/features/mailbox_dashboard/presentation/controller/download/download_controller.dart

@@ -16,6 +16,7 @@ import 'package:get/get.dart';
 import 'package:get/get_navigation/src/dialog/dialog_route.dart';
 import 'package:http_parser/http_parser.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:model/download/download_task_id.dart';
 import 'package:model/email/attachment.dart';
@@ -28,9 +29,18 @@ 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/state/download_all_attachments_for_web_state.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/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/download_all_attachments_for_web_interactor.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/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/mixin/preview_attachment_mixin.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/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_dashboard/presentation/action/download_ui_action.dart';
@@ -47,16 +57,23 @@ import 'package:uuid/uuid.dart';
 
 typedef UpdateDownloadTaskStateCallback = DownloadTaskState Function(DownloadTaskState currentState);
 
-class DownloadController extends BaseController {
+class DownloadController extends BaseController with PreviewAttachmentMixin {
   final DownloadAttachmentForWebInteractor _downloadAttachmentForWebInteractor;
   final DownloadAllAttachmentsForWebInteractor
       _downloadAllAttachmentsForWebInteractor;
   final DownloadManager _downloadManager;
+  final ParseEmailByBlobIdInteractor parseEmailByBlobIdInteractor;
+  final PreviewEmailFromEmlFileInteractor previewEmailFromEmlFileInteractor;
+  final GetHtmlContentFromAttachmentInteractor
+      getHtmlContentFromAttachmentInteractor;
 
   DownloadController(
     this._downloadAttachmentForWebInteractor,
     this._downloadAllAttachmentsForWebInteractor,
     this._downloadManager,
+    this.parseEmailByBlobIdInteractor,
+    this.previewEmailFromEmlFileInteractor,
+    this.getHtmlContentFromAttachmentInteractor,
   );
 
   final listDownloadTaskState = RxList<DownloadTaskState>();
@@ -335,7 +352,7 @@ class DownloadController extends BaseController {
   ) {
     _pushDownloadUIAction(UpdateAttachmentsViewStateAction(
       success.attachment.blobId,
-      success,
+      Right<Failure, Success>(success),
     ));
 
     deleteDownloadTask(success.taskId);
@@ -446,7 +463,10 @@ class DownloadController extends BaseController {
 
     if (failure.attachment != null) {
       _pushDownloadUIAction(
-        UpdateAttachmentsViewStateAction(failure.attachment?.blobId, failure),
+        UpdateAttachmentsViewStateAction(
+          failure.attachment?.blobId,
+          Left<Failure, Success>(failure),
+        ),
       );
     }
 
@@ -464,7 +484,6 @@ class DownloadController extends BaseController {
     appToast.showToastErrorMessage(currentOverlayContext!, message);
   }
 
-
   @override
   void handleSuccessViewState(Success success) {
     if (success is DownloadAttachmentForWebSuccess) {
@@ -472,15 +491,77 @@ class DownloadController extends BaseController {
     } else if (success is StartDownloadAttachmentForWeb) {
       _pushDownloadUIAction(UpdateAttachmentsViewStateAction(
         success.attachment.blobId,
-        success,
+        Right<Failure, Success>(success),
       ));
     } else if (success is DownloadingAttachmentForWeb) {
       _pushDownloadUIAction(UpdateAttachmentsViewStateAction(
         success.attachment.blobId,
-        success,
+        Right<Failure, Success>(success),
       ));
     } else if (success is DownloadAllAttachmentsForWebSuccess) {
       deleteDownloadTask(success.taskId);
+    } else if (success is ParseEmailByBlobIdSuccess) {
+      handleParseEmailByBlobIdSuccess(
+        context: currentContext,
+        accountId: success.accountId,
+        session: success.session,
+        ownEmailAddress: success.ownEmailAddress,
+        blobId: success.blobId,
+        email: success.email,
+        controller: this,
+        previewInteractor: previewEmailFromEmlFileInteractor,
+      );
+    } else if (success is PreviewEmailFromEmlFileSuccess) {
+      handlePreviewEmailFromEMLFileSuccess(
+        emlPreviewer: success.emlPreviewer,
+        context: currentContext,
+        imagePaths: imagePaths,
+        onMailtoAction: _openMailtoLink,
+        onDownloadAction: (uri) async {
+          if (uri == null) return;
+
+          final attachment = EmailUtils.parsingAttachmentByUri(uri);
+          if (attachment == null) return;
+
+          _downloadAttachmentQuickly(attachment);
+        },
+        onPreviewAction: (uri) async {
+          if (currentContext != null && uri?.path.isNotEmpty == true) {
+            previewEMLFileAction(
+              appLocalizations: AppLocalizations.of(currentContext!),
+              accountId: success.accountId,
+              session: success.session,
+              ownEmailAddress: success.ownEmailAddress,
+              blobId: Id(uri!.path),
+              controller: this,
+              parseEmailByBlobIdInteractor: parseEmailByBlobIdInteractor,
+            );
+          }
+        },
+      );
+    } else if (success is GetHtmlContentFromAttachmentSuccess) {
+      _pushDownloadUIAction(
+        UpdateAttachmentsViewStateAction(
+          success.attachment.blobId,
+          Right<Failure, Success>(success),
+        ),
+      );
+
+      Get.dialog(HtmlAttachmentPreviewer(
+        title: success.htmlAttachmentTitle,
+        htmlContent: success.sanitizedHtmlContent,
+        mailToClicked: _openMailtoLink,
+        downloadAttachmentClicked: () =>
+            _downloadAttachmentQuickly(success.attachment),
+        responsiveUtils: responsiveUtils,
+      ));
+    } else if (success is GettingHtmlContentFromAttachment) {
+      _pushDownloadUIAction(
+        UpdateAttachmentsViewStateAction(
+          success.attachment.blobId,
+          Right<Failure, Success>(success),
+        ),
+      );
     } else {
       super.handleSuccessViewState(success);
     }
@@ -492,11 +573,40 @@ class DownloadController extends BaseController {
       _downloadAllAttachmentsForWebFailure(failure);
     } else if (failure is DownloadAttachmentForWebFailure) {
       _downloadAttachmentForWebFailureAction(failure);
+    } else if (failure is ParseEmailByBlobIdFailure) {
+      handleParseEmailByBlobIdFailure(failure);
+    } else if (failure is PreviewEmailFromEmlFileFailure) {
+      handlePreviewEmailFromEMLFileFailure(failure);
+    } else if (failure is GetHtmlContentFromAttachmentFailure) {
+      _handleGetHtmlContentFromAttachmentFailure(failure);
     } else {
       super.handleFailureViewState(failure);
     }
   }
 
+  void _handleGetHtmlContentFromAttachmentFailure(
+    GetHtmlContentFromAttachmentFailure failure,
+  ) {
+    _pushDownloadUIAction(
+      UpdateAttachmentsViewStateAction(
+        failure.attachment.blobId,
+        Left<Failure, Success>(failure),
+      ),
+    );
+
+    if (currentOverlayContext != null && currentContext != null) {
+      appToast.showToastErrorMessage(
+        currentOverlayContext!,
+        AppLocalizations.of(currentContext!)
+            .thisHtmlAttachmentCannotBePreviewed,
+      );
+    }
+  }
+
+  Future<void> _openMailtoLink(Uri? uri) async {
+    _pushDownloadUIAction(OpenMailtoLinkFromPreviewAttachmentAction(uri));
+  }
+
   @override
   void onClose() {
     _downloadProgressStateSubscription?.cancel();

lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart

@@ -123,6 +123,7 @@ import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/extensions
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/extensions/handle_create_new_rule_filter.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_preferences_setting_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/handle_reactive_obx_variable_extension.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/extensions/handle_save_email_as_draft_extension.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/extensions/handle_store_email_sort_order_extension.dart';
@@ -767,6 +768,9 @@ class MailboxDashBoardController extends ReloadableController
         if (action is DownloadAttachmentsQuicklyAction) {
           downloadAttachmentForWeb(attachment: action.attachment);
           downloadController.clearDownloadUIAction();
+        } else if (action is OpenMailtoLinkFromPreviewAttachmentAction) {
+          openMailToLink(action.uri);
+          downloadController.clearDownloadUIAction();
         }
       },
     );

lib/features/mailbox_dashboard/presentation/extensions/handle_preview_attachment_extension.dart

@@ -0,0 +1,84 @@
+import 'package:core/presentation/resources/image_paths.dart';
+import 'package:core/presentation/views/html_viewer/html_content_viewer_widget.dart';
+import 'package:core/utils/app_logger.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:model/email/attachment.dart';
+import 'package:tmail_ui_user/features/email/presentation/mixin/preview_attachment_mixin.dart';
+import 'package:tmail_ui_user/features/email/presentation/model/composer_arguments.dart';
+import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.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/open_and_close_composer_extension.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+import 'package:tmail_ui_user/main/routes/route_utils.dart';
+
+extension HandlePreviewAttachmentExtension on MailboxDashBoardController {
+  void previewAttachmentAction({
+    required BuildContext context,
+    required Attachment attachment,
+    required OnDownloadAttachmentAction onDownloadAttachment,
+  }) =>
+      downloadController.previewAttachmentAction(
+        context: context,
+        attachment: attachment,
+        accountId: accountId.value,
+        session: sessionCurrent,
+        ownEmailAddress: ownEmailAddress.value,
+        controller: downloadController,
+        parseEmailInteractor: downloadController.parseEmailByBlobIdInteractor,
+        getHtmlInteractor:
+            downloadController.getHtmlContentFromAttachmentInteractor,
+        onDownloadAttachment: onDownloadAttachment,
+      );
+
+  void previewEMLFileAction({
+    required AppLocalizations appLocalizations,
+    required Id? blobId,
+  }) =>
+      downloadController.previewEMLFileAction(
+        appLocalizations: appLocalizations,
+        accountId: accountId.value,
+        session: sessionCurrent,
+        ownEmailAddress: ownEmailAddress.value,
+        blobId: blobId,
+        controller: downloadController,
+        parseEmailByBlobIdInteractor:
+            downloadController.parseEmailByBlobIdInteractor,
+      );
+
+  void showDialogToPreviewEMLAttachment({
+    required BuildContext context,
+    required EMLPreviewer emlPreviewer,
+    required ImagePaths imagePaths,
+    required OnMailtoDelegateAction onMailtoAction,
+    required OnDownloadAttachmentDelegateAction onDownloadAction,
+    required OnPreviewEMLDelegateAction onPreviewAction,
+  }) =>
+      downloadController.showDialogToPreviewEMLAttachment(
+        context: context,
+        emlPreviewer: emlPreviewer,
+        imagePaths: imagePaths,
+        onMailtoAction: onMailtoAction,
+        onDownloadAction: onDownloadAction,
+        onPreviewAction: onPreviewAction,
+      );
+
+  Future<void> openMailToLink(Uri? uri) async {
+    if (uri == null) return;
+    final navigationRouter = RouteUtils.generateNavigationRouterFromMailtoLink(
+      uri.toString(),
+    );
+    log('$runtimeType::openMailToLink(): ${uri.toString()}');
+    if (!RouteUtils.canOpenComposerFromNavigationRouter(navigationRouter)) {
+      return;
+    }
+
+    openComposer(ComposerArguments.fromMailtoUri(
+      listEmailAddress: navigationRouter.listEmailAddress,
+      cc: navigationRouter.cc,
+      bcc: navigationRouter.bcc,
+      subject: navigationRouter.subject,
+      body: navigationRouter.body,
+    ));
+  }
+}

lib/main/utils/app_utils.dart

@@ -1,5 +1,4 @@
 import 'package:core/core.dart';
-import 'package:core/utils/html/html_utils.dart';
 import 'package:date_format/date_format.dart' as date_format;
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';

test/features/email/domain/usecases/parse_email_by_blob_id_interactor_test.dart

@@ -5,28 +5,30 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:jmap_dart_client/jmap/core/id.dart';
 import 'package:mockito/annotations.dart';
 import 'package:mockito/mockito.dart';
-import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
+import 'package:model/extensions/session_extension.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/usecases/parse_email_by_blob_id_interactor.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/domain/repository/download_repository.dart';
 
 import '../../../../fixtures/account_fixtures.dart';
 import '../../../../fixtures/email_fixtures.dart';
-
+import '../../../../fixtures/session_fixtures.dart';
 import 'parse_email_by_blob_id_interactor_test.mocks.dart';
 
-@GenerateNiceMocks([MockSpec<EmailRepository>()])
+@GenerateNiceMocks([MockSpec<DownloadRepository>()])
 void main() {
   group('ParseEmailByBlobIdInteractor::execute::', () {
-    late MockEmailRepository mockEmailRepository;
+    late MockDownloadRepository mockDownloadRepository;
     late ParseEmailByBlobIdInteractor parseEmailByBlobIdInteractor;
 
     setUp(() {
-      mockEmailRepository = MockEmailRepository();
+      mockDownloadRepository = MockDownloadRepository();
       parseEmailByBlobIdInteractor =
-          ParseEmailByBlobIdInteractor(mockEmailRepository);
+          ParseEmailByBlobIdInteractor(mockDownloadRepository);
     });
 
     final accountId = AccountFixtures.aliceAccountId;
+    final session = SessionFixtures.aliceSession;
     final blobId = Id('blob-id');
 
     test(
@@ -35,11 +37,16 @@ void main() {
       // Arrange
       final parsedEmail = EmailFixtures.email1;
 
-      when(mockEmailRepository.parseEmailByBlobIds(accountId, {blobId}))
+      when(mockDownloadRepository.parseEmailByBlobIds(accountId, {blobId}))
           .thenAnswer((_) async => [parsedEmail]);
 
       // Act
-      final result = parseEmailByBlobIdInteractor.execute(accountId, blobId);
+      final result = parseEmailByBlobIdInteractor.execute(
+        accountId,
+        session,
+        session.getOwnEmailAddressOrEmpty(),
+        blobId,
+      );
 
       // Assert
 
@@ -47,13 +54,19 @@ void main() {
         result,
         emitsInOrder([
           Right<Failure, Success>(ParsingEmailByBlobId()),
-          Right<Failure, Success>(ParseEmailByBlobIdSuccess(parsedEmail, blobId)),
+          Right<Failure, Success>(ParseEmailByBlobIdSuccess(
+            email: parsedEmail,
+            blobId: blobId,
+            accountId: accountId,
+            session: session,
+            ownEmailAddress: session.getOwnEmailAddressOrEmpty(),
+          )),
         ]),
       );
 
-      verify(mockEmailRepository.parseEmailByBlobIds(accountId, {blobId}))
+      verify(mockDownloadRepository.parseEmailByBlobIds(accountId, {blobId}))
           .called(1);
-      verifyNoMoreInteractions(mockEmailRepository);
+      verifyNoMoreInteractions(mockDownloadRepository);
     });
 
     test(
@@ -62,11 +75,16 @@ void main() {
       // Arrange
       final exception = Exception('Failed to parse email');
 
-      when(mockEmailRepository.parseEmailByBlobIds(accountId, {blobId}))
+      when(mockDownloadRepository.parseEmailByBlobIds(accountId, {blobId}))
           .thenThrow(exception);
 
       // Act
-      final result = parseEmailByBlobIdInteractor.execute(accountId, blobId);
+      final result = parseEmailByBlobIdInteractor.execute(
+        accountId,
+        session,
+        session.getOwnEmailAddressOrEmpty(),
+        blobId,
+      );
 
       // Assert
       await expectLater(
@@ -77,9 +95,9 @@ void main() {
         ]),
       );
 
-      verify(mockEmailRepository.parseEmailByBlobIds(accountId, {blobId}))
+      verify(mockDownloadRepository.parseEmailByBlobIds(accountId, {blobId}))
           .called(1);
-      verifyNoMoreInteractions(mockEmailRepository);
+      verifyNoMoreInteractions(mockDownloadRepository);
     });
   });
 }

test/features/email/presentation/controller/single_email_controller_test.dart

@@ -32,13 +32,10 @@ import 'package:tmail_ui_user/features/email/domain/usecases/calendar_event_reje
 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/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/store_opened_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/presentation/action/email_ui_action.dart';
@@ -97,14 +94,11 @@ const fallbackGenerators = {
   MockSpec<AcceptCalendarEventInteractor>(),
   MockSpec<MaybeCalendarEventInteractor>(),
   MockSpec<RejectCalendarEventInteractor>(),
-  MockSpec<ParseEmailByBlobIdInteractor>(),
-  MockSpec<PreviewEmailFromEmlFileInteractor>(),
   MockSpec<PrintUtils>(),
   MockSpec<ApplicationManager>(),
   MockSpec<ToastManager>(),
   MockSpec<CalendarEventDataSource>(),
   MockSpec<DioClient>(),
-  MockSpec<GetHtmlContentFromAttachmentInteractor>(),
   MockSpec<TwakeAppManager>(),
   MockSpec<ExportAllAttachmentsInteractor>(),
   MockSpec<FileUploader>(),
@@ -133,12 +127,9 @@ void main() {
   final responsiveUtils = MockResponsiveUtils();
   final uuid = MockUuid();
   final printEmailInteractor = MockPrintEmailInteractor();
-  final parseEmailByBlobIdInteractor = MockParseEmailByBlobIdInteractor();
-  final previewEmailFromEmlFileInteractor = MockPreviewEmailFromEmlFileInteractor();
   final printUtils = MockPrintUtils();
   final applicationManager = MockApplicationManager();
   final mockToastManager = MockToastManager();
-  final getHtmlContentFromAttachmentInteractor = MockGetHtmlContentFromAttachmentInteractor();
   final mockTwakeAppManager = MockTwakeAppManager();
 
   final exportAllAttachmentsInteractor = MockExportAllAttachmentsInteractor();
@@ -192,9 +183,6 @@ void main() {
       getAllIdentitiesInteractor,
       storeOpenedEmailInteractor,
       printEmailInteractor,
-      parseEmailByBlobIdInteractor,
-      previewEmailFromEmlFileInteractor,
-      getHtmlContentFromAttachmentInteractor,
       exportAllAttachmentsInteractor,
     );
   });