From 585a8f19fa7736b3fadffd5d52a426934d320972 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Wed, 29 Apr 2020 22:54:33 +0300
Subject: [PATCH] Fix total UserPhotos count if know more photos than expected.

GitOrigin-RevId: ff30c4e2d6965d02eb24a9d58b1f01ea1d3d89a7
---
 td/telegram/ContactsManager.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index fa3fc6297..8b66e2e32 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -8905,6 +8905,14 @@ void ContactsManager::on_get_user_photos(UserId user_id, int32 offset, int32 lim
     user_photos->photos.push_back(std::move(user_photo));
     add_user_photo_id(u, user_id, user_photos->photos.back().id, photo_get_file_ids(user_photos->photos.back()));
   }
+
+  auto known_photo_count = narrow_cast<int32>(user_photos->photos.size());
+  CHECK(user_photos->count >= known_photo_count);
+  if (user_photos->offset + known_photo_count > user_photos->count) {
+    LOG(ERROR) << "Fix total photo count of " << user_id << " from " << user_photos->count << " to "
+               << user_photos->offset << " + " << known_photo_count;
+    user_photos->count = user_photos->offset + known_photo_count;
+  }
 }
 
 bool ContactsManager::on_update_bot_info(tl_object_ptr<telegram_api::botInfo> &&new_bot_info, bool send_update) {