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

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/presentation/state/success.dart';
+import 'package:core/core.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);
+  }
 }