From 1923170840df9a2f707ea8db699fd45ec5512f8b Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Sun, 31 Mar 2019 18:27:35 +0300
Subject: [PATCH] Fix pdateActiveNotifications.

GitOrigin-RevId: 94fa89e8b7313ad7716779726ab169bbb51474b1
---
 td/telegram/Notification.h          | 1 +
 td/telegram/NotificationManager.cpp | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/td/telegram/Notification.h b/td/telegram/Notification.h
index 45c481170..325f8f3ec 100644
--- a/td/telegram/Notification.h
+++ b/td/telegram/Notification.h
@@ -29,6 +29,7 @@ class Notification {
 
 inline td_api::object_ptr<td_api::notification> get_notification_object(DialogId dialog_id,
                                                                         const Notification &notification) {
+  CHECK(notification.type != nullptr);
   return td_api::make_object<td_api::notification>(notification.notification_id.get(), notification.date,
                                                    notification.type->get_notification_type_object(dialog_id));
 }
diff --git a/td/telegram/NotificationManager.cpp b/td/telegram/NotificationManager.cpp
index 0ba5011b5..8745023ab 100644
--- a/td/telegram/NotificationManager.cpp
+++ b/td/telegram/NotificationManager.cpp
@@ -324,13 +324,17 @@ td_api::object_ptr<td_api::updateActiveNotifications> NotificationManager::get_u
     needed_groups--;
 
     vector<td_api::object_ptr<td_api::notification>> notifications;
-    for (auto &notification : group.second.notifications) {
+    for (auto &notification : reversed(group.second.notifications)) {
       auto notification_object = get_notification_object(group.first.dialog_id, notification);
       if (notification_object->type_ != nullptr) {
         notifications.push_back(std::move(notification_object));
       }
+      if (notifications.size() == max_notification_group_size_) {
+        break;
+      }
     }
     if (!notifications.empty()) {
+      std::reverse(notifications.begin(), notifications.end());
       groups.push_back(td_api::make_object<td_api::notificationGroup>(
           group.first.group_id.get(), get_notification_group_type_object(group.second.type),
           group.first.dialog_id.get(), group.second.total_count, std::move(notifications)));