beer_notes_srv/main.cpp

#include <httplib.h>
#include <iostream>

#include "sqlitedb.h"

namespace App {

constexpr auto DefaultPort = 8888;
constexpr auto DefaultHost = "0.0.0.0";
constexpr auto ContentType = "application/json";

static httplib::Server *srv = nullptr;

} // namespace App

void signalHandler(int signum)
{
    std::cout << "\n\nInterrupt signal (" << signum << ") received.\n" << std::endl;

    if (App::srv) {
        App::srv->stop();
        delete App::srv;
    }

    exit(signum);
}

int main(int argc, char *argv[])
{
    std::signal(SIGINT, signalHandler);

    App::srv = new httplib::Server();

    SqliteDb db("beer.db");

    auto read_table = [&db](const httplib::Request& req, httplib::Response& res) {
        auto table = req.path_params.at("table");

        std::vector< SqliteDb::Param> params;
        for (const auto& [param, value] : req.params)
        {
            params.push_back({ param, value });
        }

        res.set_content("Table: " + db.readTable( table, params ), "text/plain");
    };

    App::srv->Get("/table/:table", read_table);

    auto host = argc > 1 ? argv[1] : App::DefaultHost;
    auto port = argc > 2 ? atoi(argv[2]) : App::DefaultPort;

    std::cout << "Listen on " << host << ":" << port << std::endl;

    App::srv->listen(host, port);

    return 0;
}