HelloBot/SimpleBot/SimpleBot.cpp

107 lines
2.5 KiB
C++

#include "tgbot/bot.h"
#include <boost/program_options.hpp>
#include <set>
#include <string>
#include <iostream>
static const std::set<std::string> knownUsers = { "mandlm" };
struct ProgramSettings
{
std::string token;
};
ProgramSettings getProgramSettings(int argc, char **argv)
{
namespace po = boost::program_options;
po::options_description optionsDescription("Allowed options");
optionsDescription.add_options()
("help", "show this help message")
("token,t", po::value<std::string>(), "Telegram bot token")
;
po::variables_map configuredOptions;
po::store(po::command_line_parser(argc, argv).options(optionsDescription).run(),
configuredOptions);
po::notify(configuredOptions);
if (configuredOptions.find("help") != configuredOptions.cend()
|| configuredOptions.find("token") == configuredOptions.cend())
{
std::cout << optionsDescription << std::endl;
throw std::runtime_error("invalid options");
}
return ProgramSettings{ configuredOptions["token"].as<std::string>() };
}
std::string fullName(const tgbot::types::User &user)
{
std::ostringstream fullName;
fullName << user.firstName;
if (user.lastName != nullptr)
{
fullName << " " << *user.lastName;
}
return fullName.str();
}
void replyUserUnknown(const tgbot::types::Message &message, const tgbot::methods::Api &api)
{
api.sendMessage(std::to_string(message.chat.id), "Sorry, I don't know who you are.");
}
void handleMessage(const tgbot::types::Message message, const tgbot::methods::Api &api)
{
if (message.from == nullptr || knownUsers.find(*message.from->username) == knownUsers.cend())
{
replyUserUnknown(message, api);
return;
}
std::cout << fullName(*message.from)
<< " (" << *message.from->username << "): "
<< (message.text != nullptr ? *message.text : "<no text>") << std::endl;
api.sendMessage(std::to_string(message.chat.id), "You said:");
if (message.text != nullptr)
{
api.sendMessage(std::to_string(message.chat.id), *message.text);
}
else
{
api.sendMessage(std::to_string(message.chat.id), "illegible things");
}
}
int main(int argc, char **argv)
{
try
{
auto settings = getProgramSettings(argc, argv);
std::cout << "Running bot... " << std::endl;
tgbot::LongPollBot bot(settings.token, { tgbot::types::UpdateType::MESSAGE });
std::cout << "connected as " << bot.getMe().firstName << std::endl;
bot.callback(handleMessage);
bot.start();
}
catch (std::runtime_error &e)
{
std::cout << "exiting." << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}