From 5dc5b473ea22ec89e7ad0fea7d793d5486020c21 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Mon, 29 Nov 2021 15:09:13 +0300
Subject: [PATCH] Fix cache update in GetChatInviteImportersQuery.

---
 td/telegram/ContactsManager.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index 5a7b91e47..ef97fabe6 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -1599,6 +1599,7 @@ class GetChatInviteImportersQuery final : public Td::ResultHandler {
 class GetChatJoinRequestsQuery final : public Td::ResultHandler {
   Promise<td_api::object_ptr<td_api::chatJoinRequests>> promise_;
   DialogId dialog_id_;
+  bool is_full_list_ = false;
 
  public:
   explicit GetChatJoinRequestsQuery(Promise<td_api::object_ptr<td_api::chatJoinRequests>> &&promise)
@@ -1608,6 +1609,8 @@ class GetChatJoinRequestsQuery final : public Td::ResultHandler {
   void send(DialogId dialog_id, const string &invite_link, const string &query, int32 offset_date,
             UserId offset_user_id, int32 limit) {
     dialog_id_ = dialog_id;
+    is_full_list_ = invite_link.empty() && query.empty() && offset_date == 0 && !offset_user_id.is_valid() && limit >= 3;
+
     auto input_peer = td_->messages_manager_->get_input_peer(dialog_id, AccessRights::Write);
     if (input_peer == nullptr) {
       return on_error(Status::Error(400, "Can't access the chat"));
@@ -1662,8 +1665,10 @@ class GetChatJoinRequestsQuery final : public Td::ResultHandler {
       join_requests.push_back(td_api::make_object<td_api::chatJoinRequest>(
           td_->contacts_manager_->get_user_id_object(user_id, "chatJoinRequest"), request->date_, request->about_));
     }
-    td_->messages_manager_->on_update_dialog_pending_join_requests(dialog_id_, total_count,
-                                                                   std::move(recent_requesters));
+    if (is_full_list_) {
+      td_->messages_manager_->on_update_dialog_pending_join_requests(dialog_id_, total_count,
+                                                                     std::move(recent_requesters));
+    }
     promise_.set_value(td_api::make_object<td_api::chatJoinRequests>(total_count, std::move(join_requests)));
   }