Add ChatFullInfo.parent_chat for direct messages chats.

telegram-bot-api/Client.cpp

@@ -1292,6 +1292,9 @@ class Client::JsonChat final : public td::Jsonable {
           if (supergroup_info->linked_chat_id != 0) {
             object("linked_chat_id", supergroup_info->linked_chat_id);
           }
+          if (supergroup_info->is_direct_messages && supergroup_info->direct_messages_chat_id != 0) {
+            object("parent_chat", JsonChat(supergroup_info->direct_messages_chat_id, client_));
+          }
           if (supergroup_info->location != nullptr) {
             object("location", JsonChatLocation(supergroup_info->location.get()));
           }
@@ -8008,6 +8011,7 @@ void Client::on_update(object_ptr<td_api::Object> result) {
       supergroup_info->slow_mode_delay = full_info->slow_mode_delay_;
       supergroup_info->unrestrict_boost_count = full_info->unrestrict_boost_count_;
       supergroup_info->linked_chat_id = full_info->linked_chat_id_;
+      supergroup_info->direct_messages_chat_id = full_info->direct_messages_chat_id_;
       supergroup_info->location = std::move(full_info->location_);
       supergroup_info->has_hidden_members = full_info->has_hidden_members_;
       supergroup_info->has_aggressive_anti_spam_enabled = full_info->has_aggressive_anti_spam_enabled_;

telegram-bot-api/Client.h

@@ -969,6 +969,7 @@ class Client final : public WebhookActor::Callback {
     int32 slow_mode_delay = 0;
     int32 unrestrict_boost_count = 0;
     int64 linked_chat_id = 0;
+    int64 direct_messages_chat_id = 0;
     object_ptr<td_api::chatLocation> location;
     object_ptr<td_api::ChatMemberStatus> status;
     bool is_supergroup = false;