example02.cc

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#include <Telegram/TelegramBot.h>

#include <sstream>
#include <string>

#include <termios.h>
#include <unistd.h>

#define WEBHOOK_URL "https://your-domain/cgi-bin/bot.cgi"
#define BOT_TOKEN "your secret token"

// main function
int main(int argc, char** argv) {

    // Process options
    std::string user_id = ""; // ID of the receiving user
    std::string filename = ""; // File name of file to  be sent

    Telegram::TelegramBot tg(BOT_TOKEN);

#ifdef __arm__
    int c;
#else
    char c;
#endif

    while ((c = getopt(argc, argv, "wu:p:")) != -1) {
        switch(c) {
            case 'u':
                user_id = (std::string)optarg;
                break;
            case 'w':
                tg.setWebhook(WEBHOOK_URL);
                return 0;
                break; // Never reached
            case 'p':
                filename = (std::string)optarg;
                break;
            case ':':
                std::cerr << optopt << " without argument" << std::endl;
                break;
        }
    }

    if (user_id == "") {
        std::cerr << "No user ID given!" << std::endl;
        return 1;
    }

    if (filename != "") {
        // Currently only photos are supported
        tg.sendPhoto(filename, user_id);
        return 0;
    }

    // Read from stdin
    struct termios t;
    std::string s = "";

    if (tcgetattr(STDIN_FILENO, &t) < 0) {
        // If we have a text piped in, read from std::cin
        while(std::cin) {
            std::string line;
            std::getline(std::cin, line);
            s = s + line + "\n";
        }
        s.erase(s.end()-1);
    }

    if (s != "") {
        tg.sendMessage(s, user_id); // Send the message to the user
    }

    return 0;
}