TF-296 Fix download file on browser

lib/features/email/data/datasource/email_datasource.dart

@@ -27,6 +27,13 @@ abstract class EmailDataSource {
     CancelToken cancelToken
   );
 
+  Future<bool> downloadAttachmentForWeb(
+    Attachment attachment,
+    AccountId accountId,
+    String baseDownloadUrl,
+    AccountRequest accountRequest,
+  );
+
   Future<List<EmailId>> moveToMailbox(AccountId accountId, MoveRequest moveRequest);
 
   Future<List<Email>> markAsStar(

lib/features/email/data/datasource_impl/email_datasource_impl.dart

@@ -113,4 +113,13 @@ class EmailDataSourceImpl extends EmailDataSource {
       throw error;
     });
   }
+
+  @override
+  Future<bool> downloadAttachmentForWeb(Attachment attachment, AccountId accountId, String baseDownloadUrl, AccountRequest accountRequest) {
+    return Future.sync(() async {
+      return await emailAPI.downloadAttachmentForWeb(attachment, accountId, baseDownloadUrl, accountRequest);
+    }).catchError((error) {
+      throw error;
+    });
+  }
 }

lib/features/email/data/network/email_api.dart

@@ -202,6 +202,19 @@ class EmailAPI {
       cancelToken: cancelToken);
   }
 
+  Future<bool> downloadAttachmentForWeb(
+      Attachment attachment,
+      AccountId accountId,
+      String baseDownloadUrl,
+      AccountRequest accountRequest,
+  ) async {
+    return _downloadManager.downloadFileForWeb(
+        attachment.getDownloadUrl(baseDownloadUrl, accountId),
+        attachment.name ?? '',
+        accountRequest.basicAuth,
+    );
+  }
+
   Future<List<EmailId>> moveToMailbox(AccountId accountId, MoveRequest moveRequest) async {
     final setEmailMethod = SetEmailMethod(accountId)
       ..addUpdates(moveRequest.emailIds

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

@@ -103,4 +103,9 @@ class EmailRepositoryImpl extends EmailRepository {
   Future<Email?> updateEmailDrafts(AccountId accountId, Email newEmail, EmailId oldEmailId) {
     return emailDataSource.updateEmailDrafts(accountId, newEmail, oldEmailId);
   }
+
+  @override
+  Future<bool> downloadAttachmentForWeb(Attachment attachment, AccountId accountId, String baseDownloadUrl, AccountRequest accountRequest) {
+    return emailDataSource.downloadAttachmentForWeb(attachment, accountId, baseDownloadUrl, accountRequest);
+  }
 }