From 477fe509b52539c3be098fd98e23ef43e7056e66 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Fri, 4 Nov 2022 17:23:43 +0300
Subject: [PATCH] Fix adding of a chat list to beginning.

---
 td/telegram/MessagesManager.cpp | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index 4ca87654d..424858f3b 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -17721,7 +17721,7 @@ void MessagesManager::on_get_dialog_filters(Result<vector<tl_object_ptr<telegram
 
   auto filters = r_filters.move_as_ok();
   vector<unique_ptr<DialogFilter>> new_server_dialog_filters;
-  LOG(INFO) << "Receive " << filters.size() << " chat filters from server";
+  LOG(INFO) << "Receive chat filters from server: " << to_string(filters);
   std::unordered_set<DialogFilterId, DialogFilterIdHash> new_dialog_filter_ids;
   int32 server_main_dialog_list_position = -1;
   int32 position = 0;
@@ -19769,7 +19769,20 @@ void MessagesManager::on_update_dialog_filter(unique_ptr<DialogFilter> dialog_fi
     }
 
     if (!is_edited) {
-      server_dialog_filters_.push_back(std::move(dialog_filter));
+      bool at_beginning = false;
+      for (const auto &recommended_dialog_filter : recommended_dialog_filters_) {
+        if (DialogFilter::are_similar(*recommended_dialog_filter.dialog_filter, *dialog_filter)) {
+          at_beginning = true;
+        }
+      }
+      if (at_beginning) {
+        server_dialog_filters_.insert(server_dialog_filters_.begin(), std::move(dialog_filter));
+      } else {
+        server_dialog_filters_.push_back(std::move(dialog_filter));
+      }
+      if (at_beginning && main_dialog_list_position_ != 0) {
+        main_dialog_list_position_++;
+      }
     }
     save_dialog_filters();
   }