Add Chat.message_auto_delete_time field.

telegram-bot-api/Client.cpp

@@ -692,6 +692,9 @@ class Client::JsonChat : public Jsonable {
           LOG(ERROR) << "Pinned unknown, inaccessible or deleted message " << pinned_message_id_;
         }
       }
+      if (chat_info->message_auto_delete_time != 0) {
+        object("message_auto_delete_time", chat_info->message_auto_delete_time);
+      }
     }
   }
 
@@ -4135,6 +4138,7 @@ void Client::on_update(object_ptr<td_api::Object> result) {
       chat_info->title = std::move(chat->title_);
       chat_info->photo = std::move(chat->photo_);
       chat_info->permissions = std::move(chat->permissions_);
+      chat_info->message_auto_delete_time = chat->message_ttl_setting_;
       break;
     }
     case td_api::updateChatTitle::ID: {
@@ -4158,6 +4162,13 @@ void Client::on_update(object_ptr<td_api::Object> result) {
       chat_info->permissions = std::move(update->permissions_);
       break;
     }
+    case td_api::updateChatMessageTtlSetting::ID: {
+      auto update = move_object_as<td_api::updateChatMessageTtlSetting>(result);
+      auto chat_info = add_chat(update->chat_id_);
+      CHECK(chat_info->type != ChatInfo::Type::Unknown);
+      chat_info->message_auto_delete_time = update->message_ttl_setting_;
+      break;
+    }
     case td_api::updateUser::ID: {
       auto update = move_object_as<td_api::updateUser>(result);
       add_user(users_, std::move(update->user_));

telegram-bot-api/Client.h

@@ -595,6 +595,7 @@ class Client : public WebhookActor::Callback {
     enum class Type { Private, Group, Supergroup, Unknown };
     Type type = Type::Unknown;
     td::string title;
+    int32 message_auto_delete_time = 0;
     object_ptr<td_api::chatPhotoInfo> photo;
     object_ptr<td_api::chatPermissions> permissions;
     union {