emailQt/CurlHandler.hpp

#pragma once

#include <cstdlib>
#include <functional>
#include <memory>
#include <string>
#include <thread>
#include <vector>

#include <QObject>

#include <curl/curl.h>

#include "ParametersProvider.hpp"

constexpr long curlTimeoutSeconds{5};

// View RFC 3501 and RFC 2192 for more details

size_t cb(char *data, size_t size, size_t numberOfMembers, void *userdata);

class CurlHandler : public QObject {
    Q_OBJECT

public:
    CurlHandler();
    ~CurlHandler();

    void configure(const ParametersProvider::settings &sett);
    std::vector<std::string> *fetch();

    void query(std::string &c, size_t count);
    void setupCurl(CURL *ptr, std::string &m, const std::string &ur) const;

signals:
    void threadFinished(size_t threadId, int uid);

private:
    std::string url;
    std::unique_ptr<CURL, decltype(&curl_easy_cleanup)> initialCurl;
    CURLcode initialRes;
    std::string initialChunk;

    std::vector<std::string> decodedMessages;
    std::vector<std::string> messagesId;
    std::vector<std::thread> v;

    ParametersProvider::settings setts;
};